Реализована интеграция с СМС провайдером

codebase/backend/.env.example

@@ -10,6 +10,7 @@ MESSAGE_SAFETY_IMAGE=han-chat-message-safety:local
 BITRIX_LOCAL_APP_IMAGE=han-chat-bitrix-local-app:local
 BITRIX_SYNC_IMAGE=han-chat-bitrix-sync:local
 KEYCLOAK_IMAGE=han-chat-keycloak:local
+SMS_SERVICE_IMAGE=han-chat-sms-service:local
 
 # Managed PostgreSQL is external to Compose. All production DSNs must verify TLS.
 HAN_PG_HOST=managed-pg.private.example
@@ -22,6 +23,7 @@ BITRIX_DATABASE_URL=postgresql://bitrix_local_app:change-me@managed-pg.private.e
 BITRIX_SYNC_APP_DATABASE_URL=postgresql://bitrix_sync_user:change-me@managed-pg.private.example:5433/han_chat?sslmode=verify-full&sslrootcert=/run/secrets/pg-ca.pem
 BITRIX_SYNC_DATABASE_URL=postgresql://bitrix_sync_user:change-me@managed-pg.private.example:5433/han_chat?sslmode=verify-full&sslrootcert=/run/secrets/pg-ca.pem
 MESSAGE_SAFETY_DATABASE_URL=postgresql://message_safety_app:change-me@managed-pg.private.example:5433/han_chat?sslmode=verify-full&sslrootcert=/run/secrets/pg-ca.pem
+SMS_DATABASE_URL=postgresql+asyncpg://sms_user:change-me@managed-pg.private.example:5433/han_chat?sslmode=verify-full&sslrootcert=/run/secrets/pg-ca.pem
 KEYCLOAK_DB_URL=jdbc:postgresql://managed-pg.private.example:5433/han_chat?sslmode=verify-full&sslrootcert=/run/secrets/pg-ca.pem
 KEYCLOAK_DB_SCHEMA=keycloak
 KEYCLOAK_DB_USERNAME=keycloak_user
@@ -40,11 +42,12 @@ NGINX_TLS_CERTIFICATE_KEY=/etc/letsencrypt/live/chat.example.ru/privkey.pem
 NGINX_HSTS_MAX_AGE=0
 NGINX_CLIENT_MAX_BODY_SIZE=8m
 NGINX_RATE_LIMIT_API=60r/m
-NGINX_RATE_LIMIT_AUTH=10r/m
+NGINX_RATE_LIMIT_AUTH=60r/m
 NGINX_RATE_LIMIT_PUBLIC=60r/m
 NGINX_RATE_LIMIT_POLLING=60r/m
 NGINX_RATE_LIMIT_DOWNLOADS=30r/m
 NGINX_RATE_LIMIT_BITRIX=120r/m
+NGINX_RATE_LIMIT_SMS_CALLBACK=120r/m
 NGINX_RATE_LIMIT_WS=30r/m
 NGINX_MESSAGE_READ_TIMEOUT_SEC=330
 NGINX_TRUSTED_PROXY_CIDR=127.0.0.1/32
@@ -67,9 +70,11 @@ KEYCLOAK_OTP_MOCK_CODE=change-me
 KEYCLOAK_OTP_MOCK_RISK_ACCEPTED=false
 # (openssl rand -hex 32)
 KEYCLOAK_OTP_HMAC_KEY=change-me
-KEYCLOAK_OTP_TTL_SEC=300
 KEYCLOAK_OTP_SETTINGS_MAX_STALE_SEC=300
 KEYCLOAK_SETTINGS_BRIDGE_URL=http://api-backend:8000/internal/settings/v1/otp
+KEYCLOAK_SMS_SERVICE_URL=http://sms-service:8080
+# Должен совпадать с SMS_SERVICE_TOKEN.
+KEYCLOAK_SMS_SERVICE_TOKEN=change-me
 KEYCLOAK_ADMIN=bootstrap-admin
 # (openssl rand -hex 32)
 KEYCLOAK_ADMIN_PASSWORD=change-me
@@ -101,6 +106,15 @@ BITRIX_API_INBOX_TOKEN=change-me
 BITRIX_SYNC_SERVICE_TOKEN=change-me
 #token5 (openssl rand -hex 32)
 KEYCLOAK_SETTINGS_BRIDGE_TOKEN=change-me
+#token6 (openssl rand -hex 32), должен совпадать с KEYCLOAK_SMS_SERVICE_TOKEN
+SMS_SERVICE_TOKEN=change-me
+
+# i-Digital Direct. Перед production заменить placeholders согласованными значениями.
+IDGTL_SMS_BASE_URL=https://direct.i-dgtl.ru
+IDGTL_SMS_API_KEY=change-me
+IDGTL_SMS_CALLBACK_PUBLIC_URL=https://chat.example.ru/callbacks/idgtl/sms
+IDGTL_SMS_CALLBACK_USERNAME=change-me
+IDGTL_SMS_CALLBACK_PASSWORD=change-me
 
 BITRIX_LOCAL_APP_BASE_URL=http://bitrix-local-app:8080
 BITRIX_API_INBOX_PATH=/internal/openlines/v1/inbox

codebase/backend/api-backend/alembic/versions/0005_otp_runtime_settings.py

@@ -0,0 +1,37 @@
+"""Seed runtime OTP settings.
+
+Revision ID: 0005_otp_settings
+Revises: 0004_device_otp
+Create Date: 2026-07-22
+"""
+
+from collections.abc import Sequence
+
+from alembic import op
+
+revision: str = "0005_otp_settings"
+down_revision: str | None = "0004_device_otp"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    op.execute(
+        """
+        INSERT INTO han_app.app_settings
+            (setting_key, setting_value, value_type, is_public, description,
+             record_status, updated_at)
+        VALUES
+            ('otp.phone.code_length', '6', 'integer', false,
+             'Length of the numeric phone OTP', 'A', now()),
+            ('otp.phone.ttl_seconds', '60', 'integer', false,
+             'Phone OTP lifetime from durable order time', 'A', now()),
+            ('otp.phone.sms_order_timeout_ms', '3000', 'integer', false,
+             'Keycloak timeout for durable SMS order creation', 'A', now())
+        ON CONFLICT (setting_key) DO NOTHING
+        """
+    )
+
+
+def downgrade() -> None:
+    raise RuntimeError("OTP runtime settings migration is forward-only")

codebase/backend/api-backend/app/cli/seed_settings.py

@@ -10,6 +10,7 @@ from sqlalchemy import func, or_
 from sqlalchemy.dialects.postgresql import insert
 
 from app.db import AppSetting, Database
+from app.otp_settings import OTP_SETTING_KEYS, validate_otp_settings
 from app.settings import get_settings
 
 VALUE_TYPES = {"boolean", "integer", "string", "string_list"}
@@ -32,8 +33,12 @@ def load_seed(path: Path) -> list[dict[str, Any]]:
         value_type = raw.get("type")
         if value_type not in VALUE_TYPES:
             raise ValueError(f"{key}: unsupported type {value_type!r}")
+        if key in OTP_SETTING_KEYS and value_type != "integer":
+            raise ValueError(f"{key}: type must be integer")
         if not isinstance(raw.get("public"), bool):
             raise ValueError(f"{key}: public must be a boolean")
+        if key in OTP_SETTING_KEYS and raw["public"]:
+            raise ValueError(f"{key}: OTP setting must not be public")
         description = raw.get("description")
         if description is not None and not isinstance(description, str):
             raise ValueError(f"{key}: description must be a string")
@@ -47,6 +52,7 @@ def load_seed(path: Path) -> list[dict[str, Any]]:
                 "record_status": "A",
             }
         )
+    validate_otp_settings({row["setting_key"]: row["setting_value"] for row in rows})
     return rows
 
 

codebase/backend/api-backend/app/main.py

@@ -58,6 +58,7 @@ from app.schemas import (
     ConsentsRequest,
     MessageRequest,
     OpenLinesInbox,
+    OtpSettingsResponse,
     SessionStartRequest,
     decode_cursor,
     encode_cursor,
@@ -415,7 +416,7 @@ async def ready(request: Request, db: Session):
     try:
         await db.execute(text("SELECT 1"))
         revision = await db.scalar(text("SELECT version_num FROM han_app.alembic_version LIMIT 1"))
-        if revision != "0004_device_otp":
+        if revision != "0005_otp_settings":
             raise RuntimeError("unexpected database revision")
         await load_settings(db)
         components["postgres"] = "ok"
@@ -963,7 +964,12 @@ async def inbox(event: OpenLinesInbox, request: Request, db: Session, settings:
     return JSONResponse(body, status_code=status)
 
 
-@app.get("/internal/settings/v1/otp", tags=["internal"])
+@app.get(
+    "/internal/settings/v1/otp",
+    tags=["internal"],
+    response_model=OtpSettingsResponse,
+    responses={304: {"description": "Cached settings are still current"}},
+)
 async def otp_settings(
     request: Request,
     settings: SnapshotDep,
@@ -980,6 +986,9 @@ async def otp_settings(
         "max_send_attempts_per_24h": settings.integer("otp.phone.max_send_attempts_per_24h"),
         "min_seconds_between_attempts": settings.integer("otp.phone.min_seconds_between_attempts"),
         "max_verify_attempts": settings.integer("otp.phone.max_verify_attempts"),
+        "code_length": settings.integer("otp.phone.code_length"),
+        "ttl_seconds": settings.integer("otp.phone.ttl_seconds"),
+        "sms_order_timeout_ms": settings.integer("otp.phone.sms_order_timeout_ms"),
         "version": settings.version,
         "cache_ttl_seconds": 60,
     }, headers=headers)

codebase/backend/api-backend/app/otp_settings.py

@@ -0,0 +1,44 @@
+from collections.abc import Mapping
+
+OTP_SETTING_KEYS = {
+    "otp.phone.max_send_attempts_per_24h",
+    "otp.phone.min_seconds_between_attempts",
+    "otp.phone.max_verify_attempts",
+    "otp.phone.code_length",
+    "otp.phone.ttl_seconds",
+    "otp.phone.sms_order_timeout_ms",
+}
+
+
+def validate_otp_settings(values: Mapping[str, str]) -> None:
+    parsed: dict[str, int] = {}
+    for key in OTP_SETTING_KEYS:
+        raw = values.get(key)
+        if raw is None:
+            continue
+        try:
+            value = int(raw)
+        except (TypeError, ValueError) as error:
+            raise ValueError(f"{key}: integer value expected") from error
+        if str(value) != raw:
+            raise ValueError(f"{key}: canonical integer value expected")
+        parsed[key] = value
+
+    positive = OTP_SETTING_KEYS - {"otp.phone.min_seconds_between_attempts"}
+    for key in positive:
+        if key in parsed and parsed[key] <= 0:
+            raise ValueError(f"{key}: value must be positive")
+    if parsed.get("otp.phone.min_seconds_between_attempts", 0) < 0:
+        raise ValueError("otp.phone.min_seconds_between_attempts: value must be non-negative")
+
+    code_length = parsed.get("otp.phone.code_length")
+    if code_length is not None and not 4 <= code_length <= 10:
+        raise ValueError("otp.phone.code_length: value must be between 4 and 10")
+
+    ttl_seconds = parsed.get("otp.phone.ttl_seconds")
+    if ttl_seconds is not None and (
+        not 60 <= ttl_seconds <= 900 or ttl_seconds % 60 != 0
+    ):
+        raise ValueError(
+            "otp.phone.ttl_seconds: value must be between 60 and 900 and divisible by 60"
+        )

codebase/backend/api-backend/app/schemas.py

@@ -14,6 +14,17 @@ class StrictModel(BaseModel):
     model_config = ConfigDict(extra="forbid")
 
 
+class OtpSettingsResponse(StrictModel):
+    max_send_attempts_per_24h: int = Field(strict=True, gt=0)
+    min_seconds_between_attempts: int = Field(strict=True, ge=0)
+    max_verify_attempts: int = Field(strict=True, gt=0)
+    code_length: int = Field(strict=True, ge=4, le=10)
+    ttl_seconds: int = Field(strict=True, ge=60, le=900, multiple_of=60)
+    sms_order_timeout_ms: int = Field(strict=True, gt=0)
+    version: str = Field(min_length=1, max_length=64)
+    cache_ttl_seconds: int = Field(strict=True, gt=0)
+
+
 class Device(StrictModel):
     platform: Literal["ios", "android", "web"]
     app_version: str = Field(min_length=1, max_length=64)

codebase/backend/api-backend/app/services.py

@@ -37,6 +37,7 @@ from app.integrations import (
     SafetyClient,
     fresh_openlines_payload,
 )
+from app.otp_settings import OTP_SETTING_KEYS, validate_otp_settings
 from app.realtime import RealtimeFanout
 from app.schemas import (
     AttachmentCompleteRequest,
@@ -84,7 +85,7 @@ REQUIRED_SETTINGS = {
     "ux.session.idle_timeout_minutes",
     "security.cors.allowed_origins",
     "security.public_cache.max_age_seconds",
-}
+} | OTP_SETTING_KEYS
 
 
 @dataclass(frozen=True, slots=True)
@@ -126,9 +127,11 @@ class AuditContext:
 
 
 async def load_settings(session: AsyncSession) -> SettingsSnapshot:
-    rows = (
-        await session.execute(select(AppSetting).where(AppSetting.record_status == "A"))
-    ).scalars()
+    rows = list(
+        (
+            await session.execute(select(AppSetting).where(AppSetting.record_status == "A"))
+        ).scalars()
+    )
     values = {row.setting_key: row.setting_value for row in rows}
     missing = REQUIRED_SETTINGS - values.keys()
     if missing:
@@ -138,6 +141,25 @@ async def load_settings(session: AsyncSession) -> SettingsSnapshot:
             "Required settings are unavailable",
             {"missing": sorted(missing)},
         )
+    try:
+        invalid_metadata = sorted(
+            row.setting_key
+            for row in rows
+            if row.setting_key in OTP_SETTING_KEYS
+            and (row.value_type != "integer" or row.is_public)
+        )
+        if invalid_metadata:
+            raise ValueError(
+                f"OTP settings must have integer type and be private: {invalid_metadata}"
+            )
+        validate_otp_settings(values)
+    except ValueError as error:
+        raise DomainError(
+            "dependency_unavailable",
+            503,
+            "OTP settings are invalid",
+            {"reason": str(error)},
+        ) from error
     version = hashlib.sha256(json.dumps(values, sort_keys=True).encode()).hexdigest()[:24]
     return SettingsSnapshot(values, version)
 

codebase/backend/api-backend/openapi.yaml

@@ -196,7 +196,12 @@ paths:
       operationId: getOtpSettings
       security: [{serviceBearer: []}]
       responses:
-        "200": {description: Product OTP limits and cache metadata}
+        "200":
+          description: Product OTP limits and cache metadata
+          content:
+            application/json:
+              schema: {$ref: "#/components/schemas/OtpSettingsResponse"}
+        "304": {description: Cached settings are still current}
         "503": {$ref: "#/components/responses/DependencyUnavailable"}
 components:
   securitySchemes:
@@ -218,6 +223,27 @@ components:
       description: Required dependency is unavailable
       content: {application/json: {schema: {$ref: "#/components/schemas/ErrorEnvelope"}}}
   schemas:
+    OtpSettingsResponse:
+      type: object
+      additionalProperties: false
+      required:
+        - max_send_attempts_per_24h
+        - min_seconds_between_attempts
+        - max_verify_attempts
+        - code_length
+        - ttl_seconds
+        - sms_order_timeout_ms
+        - version
+        - cache_ttl_seconds
+      properties:
+        max_send_attempts_per_24h: {type: integer, minimum: 1}
+        min_seconds_between_attempts: {type: integer, minimum: 0}
+        max_verify_attempts: {type: integer, minimum: 1}
+        code_length: {type: integer, minimum: 4, maximum: 10}
+        ttl_seconds: {type: integer, minimum: 60, maximum: 900, multipleOf: 60}
+        sms_order_timeout_ms: {type: integer, minimum: 1}
+        version: {type: string, minLength: 1, maxLength: 64}
+        cache_ttl_seconds: {type: integer, minimum: 1}
     ErrorEnvelope:
       type: object
       required: [error]

codebase/backend/api-backend/tests/contract/test_openapi.py

@@ -1,10 +1,13 @@
 import base64
+import json
 from pathlib import Path
 from types import SimpleNamespace
 
 import yaml
+from pydantic import SecretStr
 
-from app.main import app, websocket_token
+from app.main import app, otp_settings, websocket_token
+from app.services import SettingsSnapshot
 
 EXPECTED_PATHS = {
     "/health/live",
@@ -56,3 +59,68 @@ def test_websocket_accepts_canonical_base64url_jwt_protocol() -> None:
 def test_committed_openapi_server_does_not_double_api_prefix() -> None:
     committed = yaml.safe_load(Path("openapi.yaml").read_text(encoding="utf-8"))
     assert committed["servers"] == [{"url": "/"}]
+
+
+def test_otp_settings_contract_is_strict_and_complete() -> None:
+    generated = app.openapi()
+    response = generated["paths"]["/internal/settings/v1/otp"]["get"]["responses"]["200"]
+    schema_ref = response["content"]["application/json"]["schema"]["$ref"]
+    schema = generated["components"]["schemas"][schema_ref.rsplit("/", 1)[-1]]
+
+    assert set(schema["required"]) == {
+        "max_send_attempts_per_24h",
+        "min_seconds_between_attempts",
+        "max_verify_attempts",
+        "code_length",
+        "ttl_seconds",
+        "sms_order_timeout_ms",
+        "version",
+        "cache_ttl_seconds",
+    }
+    assert schema["additionalProperties"] is False
+    assert schema["properties"]["code_length"] == {
+        "type": "integer",
+        "maximum": 10.0,
+        "minimum": 4.0,
+        "title": "Code Length",
+    }
+    assert schema["properties"]["ttl_seconds"]["multipleOf"] == 60
+
+
+async def test_otp_settings_returns_runtime_values_and_supports_etag() -> None:
+    request = SimpleNamespace(
+        headers={"Authorization": "Bearer bridge-token"},
+        app=SimpleNamespace(
+            state=SimpleNamespace(
+                settings=SimpleNamespace(
+                    keycloak_settings_bridge_token=SecretStr("bridge-token")
+                )
+            )
+        ),
+    )
+    settings = SettingsSnapshot(
+        {
+            "otp.phone.max_send_attempts_per_24h": "3",
+            "otp.phone.min_seconds_between_attempts": "30",
+            "otp.phone.max_verify_attempts": "5",
+            "otp.phone.code_length": "6",
+            "otp.phone.ttl_seconds": "60",
+            "otp.phone.sms_order_timeout_ms": "3000",
+        },
+        "settings-version",
+    )
+
+    response = await otp_settings(request, settings)
+    assert json.loads(response.body) == {
+        "max_send_attempts_per_24h": 3,
+        "min_seconds_between_attempts": 30,
+        "max_verify_attempts": 5,
+        "code_length": 6,
+        "ttl_seconds": 60,
+        "sms_order_timeout_ms": 3000,
+        "version": "settings-version",
+        "cache_ttl_seconds": 60,
+    }
+
+    cached = await otp_settings(request, settings, response.headers["etag"])
+    assert cached.status_code == 304

codebase/backend/api-backend/tests/unit/test_cli_settings.py

@@ -12,6 +12,10 @@ def test_production_like_seed_contains_all_mandatory_settings() -> None:
 
     assert REQUIRED_SETTINGS <= {row["setting_key"] for row in rows}
     assert all(row["record_status"] == "A" for row in rows)
+    values = {row["setting_key"]: row["setting_value"] for row in rows}
+    assert values["otp.phone.code_length"] == "6"
+    assert values["otp.phone.ttl_seconds"] == "60"
+    assert values["otp.phone.sms_order_timeout_ms"] == "3000"
 
 
 def test_seed_rejects_invalid_typed_value(tmp_path: Path) -> None:
@@ -24,3 +28,37 @@ def test_seed_rejects_invalid_typed_value(tmp_path: Path) -> None:
 
     with pytest.raises(ValueError, match="integer value expected"):
         load_seed(path)
+
+
+@pytest.mark.parametrize(
+    ("key", "value", "message"),
+    [
+        ("otp.phone.code_length", 3, "between 4 and 10"),
+        ("otp.phone.ttl_seconds", 61, "divisible by 60"),
+        ("otp.phone.sms_order_timeout_ms", 0, "must be positive"),
+    ],
+)
+def test_seed_rejects_invalid_otp_settings(
+    tmp_path: Path, key: str, value: int, message: str
+) -> None:
+    path = tmp_path / "settings.yaml"
+    path.write_text(
+        "schema_version: 1\nsettings:\n"
+        f"  {key}: {{type: integer, value: {value}, public: false}}\n",
+        encoding="utf-8",
+    )
+
+    with pytest.raises(ValueError, match=message):
+        load_seed(path)
+
+
+def test_seed_rejects_public_otp_setting(tmp_path: Path) -> None:
+    path = tmp_path / "settings.yaml"
+    path.write_text(
+        "schema_version: 1\nsettings:\n"
+        "  otp.phone.code_length: {type: integer, value: 6, public: true}\n",
+        encoding="utf-8",
+    )
+
+    with pytest.raises(ValueError, match="must not be public"):
+        load_seed(path)

codebase/backend/deployment/DEPLOYMENT_GUIDE.ru.md

@@ -372,7 +372,7 @@ MESSAGE_SAFETY_REDIS_URL=redis://message_safety:<REDIS_SAFETY_PASSWORD>@redis:63
 
 ### 8.5. Mock OTP
 
-В MVP реализован только mock OTP. Для запуска:
+В текущих deploy-артефактах реализован только mock OTP. Для запуска до controlled SMS rollout:
 
 ```dotenv
 KEYCLOAK_OTP_MOCK_ENABLED=true
@@ -383,6 +383,10 @@ KEYCLOAK_OTP_MOCK_CODE=<ТЕСТОВЫЙ_КОД_НЕ_КОРОЧЕ_16_СИМВО
 Этот код будет вводиться пользователем при тестовой авторизации. Не используйте
 его как production-механизм доставки OTP.
 
+Целевой real mode задаёт `modules/module-11-idgtl-sms.md`: Keycloak генерирует и локально проверяет OTP, `sms-service` надёжно записывает заказ/журнал, worker вызывает i-Digital Direct, callback обновляет только delivery journal. Нельзя просто установить `KEYCLOAK_OTP_MOCK_ENABLED=false`.
+
+До переключения необходимы: schema/role `sms` и migrations/seed, active approved `auth_otp` (`code`, `ttl_min`), согласованный sender, Direct `TOKEN_1`, парные service tokens, отдельные callback credentials, exact nginx callback route, подтверждённый source IP Direct и статический egress IP worker. Сначала deploy при mock=true, затем provider smoke/callback/redaction evidence и только после этого cutover. Rollback возвращает mock без удаления SMS schema/journal.
+
 ### 8.6. S3
 
 ```dotenv

codebase/backend/deployment/RUNBOOK.md

@@ -211,6 +211,12 @@ SCHEMA_BACKWARD_COMPATIBLE_CONFIRMED=true \
 ENV_FILE=/secure/path/previous-release.env deployment/scripts/smoke.sh
 ```
 
+## Real SMS rollout addendum
+
+This runbook remains mock-only until module-11 artifacts exist. An SMS release requires schema/role `sms`, versioned migrations and an active approved `auth_otp` seed, `sms-service`/worker, the exact callback route, paired service tokens, Direct `TOKEN_1`, approved sender/template, separate callback credentials, a reconfirmed callback source IP, and a static worker egress IP.
+
+Order: App DB OTP seed → SMS schema/migrations/seed → mock Direct tests → production SMS deployment while Keycloak remains in mock mode → Keycloak expand migration/SPI → controlled provider smoke plus callback/redaction evidence → real mode. Roll back by restoring mock mode without deleting the journal/schema; stop new real orders and drain or record in-flight/`uncertain` rows. Downgrade only with proven schema compatibility.
+
 Never run Alembic downgrade. After a backward-incompatible migration choose a
 forward fix or coordinated PITR/S3/Bitrix reconciliation under maintenance.
 Always verify outbox/inbox/recovery so an ambiguous message is not sent twice.

codebase/backend/deployment/RUNBOOK.ru.md

@@ -216,6 +216,12 @@ SCHEMA_BACKWARD_COMPATIBLE_CONFIRMED=true \
 ENV_FILE=/secure/path/previous-release.env deployment/scripts/smoke.sh
 ```
 
+## Дополнение: rollout реальной SMS-авторизации
+
+Текущий runbook остаётся mock-only, пока артефакты module-11 не реализованы. Для SMS release обязательны: schema/role `sms`, migrations/seed active approved `auth_otp`, `sms-service`/worker, exact callback route, парные service tokens, Direct `TOKEN_1`, согласованные sender/template, отдельные callback credentials, подтверждённый callback source IP и статический egress IP worker.
+
+Порядок: App DB OTP seed → SMS schema/migrations/seed → test с mock Direct → production SMS deploy при `KEYCLOAK_OTP_MOCK_ENABLED=true` → Keycloak expand migration/SPI → provider smoke и callback/redaction evidence → real mode. Rollback: вернуть mock, не удалять journal/schema, остановить новые real orders и зафиксировать in-flight/`uncertain`; downgrade только при доказанной совместимости.
+
 Никогда не выполняйте downgrade Alembic. После обратно несовместимой миграции используйте
 исправление вперед либо согласованный PITR с восстановлением S3 и сверкой Bitrix во время
 технического обслуживания. Всегда проверяйте outbox, inbox и recovery, чтобы сообщение

codebase/backend/deployment/app-settings.production-like.yaml

@@ -5,6 +5,9 @@ settings:
   otp.phone.max_send_attempts_per_24h: {type: integer, value: 3, public: false}
   otp.phone.min_seconds_between_attempts: {type: integer, value: 30, public: false}
   otp.phone.max_verify_attempts: {type: integer, value: 5, public: false}
+  otp.phone.code_length: {type: integer, value: 6, public: false}
+  otp.phone.ttl_seconds: {type: integer, value: 60, public: false}
+  otp.phone.sms_order_timeout_ms: {type: integer, value: 3000, public: false}
   operator.call.phone: {type: string, value: "+74999591007", public: true}
   consent.personal_data.required: {type: boolean, value: true, public: true}
   consent.personal_data.document_url: {type: string, value: "https://www.han0107.ru/privacy/persdata-agree-mobile", public: true}

codebase/backend/deployment/docker-compose.jobs.yml

@@ -1,3 +1,11 @@
+x-no-sms-secrets: &no-sms-secrets
+  SMS_DATABASE_URL: ""
+  SMS_SERVICE_TOKEN: ""
+  KEYCLOAK_SMS_SERVICE_TOKEN: ""
+  IDGTL_SMS_API_KEY: ""
+  IDGTL_SMS_CALLBACK_USERNAME: ""
+  IDGTL_SMS_CALLBACK_PASSWORD: ""
+
 services:
   migrate-api:
     image: ${API_BACKEND_IMAGE:-han-chat-api-backend:local}
@@ -5,6 +13,7 @@ services:
     env_file:
       - path: ../.env
         required: false
+    environment: *no-sms-secrets
     entrypoint: []
     command: ["alembic", "upgrade", "head"]
     volumes:
@@ -19,6 +28,7 @@ services:
     env_file:
       - path: ../.env
         required: false
+    environment: *no-sms-secrets
     entrypoint: []
     command: ["alembic", "upgrade", "head"]
     volumes:
@@ -33,6 +43,25 @@ services:
     env_file:
       - path: ../.env
         required: false
+    environment: *no-sms-secrets
+    entrypoint: []
+    command: ["alembic", "upgrade", "head"]
+    volumes:
+      - ${PG_CA_HOST_PATH}:/run/secrets/pg-ca.pem:ro
+    networks: [backend, egress]
+    restart: "no"
+    security_opt: ["no-new-privileges:true"]
+
+  migrate-sms:
+    image: ${SMS_SERVICE_IMAGE:-han-chat-sms-service:local}
+    profiles: ["ops"]
+    environment:
+      SMS_DATABASE_URL: ${SMS_DATABASE_URL}
+      SMS_SERVICE_TOKEN: ${SMS_SERVICE_TOKEN}
+      IDGTL_SMS_BASE_URL: ${IDGTL_SMS_BASE_URL:-https://direct.i-dgtl.ru}
+      IDGTL_SMS_CALLBACK_PUBLIC_URL: ${IDGTL_SMS_CALLBACK_PUBLIC_URL}
+      IDGTL_SMS_CALLBACK_USERNAME: ${IDGTL_SMS_CALLBACK_USERNAME}
+      IDGTL_SMS_CALLBACK_PASSWORD: ${IDGTL_SMS_CALLBACK_PASSWORD}
     entrypoint: []
     command: ["alembic", "upgrade", "head"]
     volumes:
@@ -47,6 +76,7 @@ services:
     env_file:
       - path: ../.env
         required: false
+    environment: *no-sms-secrets
     entrypoint: []
     command:
       - /bin/sh

codebase/backend/deployment/scripts/migrate.sh

@@ -12,7 +12,9 @@ docker compose --env-file "${ENV_FILE:-.env}" config --quiet
 docker compose --env-file "${ENV_FILE:-.env}" --profile ops run --rm migrate-api alembic current
 docker compose --env-file "${ENV_FILE:-.env}" --profile ops run --rm migrate-bitrix-local alembic current
 docker compose --env-file "${ENV_FILE:-.env}" --profile ops run --rm migrate-bitrix-sync alembic current
+docker compose --env-file "${ENV_FILE:-.env}" --profile ops run --rm migrate-sms alembic current
 docker compose --env-file "${ENV_FILE:-.env}" --profile ops run --rm migrate-api
 docker compose --env-file "${ENV_FILE:-.env}" --profile ops run --rm migrate-bitrix-local
 docker compose --env-file "${ENV_FILE:-.env}" --profile ops run --rm migrate-bitrix-sync
+docker compose --env-file "${ENV_FILE:-.env}" --profile ops run --rm migrate-sms
 echo "Migrations completed; record revisions in release evidence."

codebase/backend/deployment/scripts/smoke.sh

@@ -42,6 +42,12 @@ curl -fsS "${PUBLIC_WEB_URL}/auth/realms/${KEYCLOAK_REALM}/.well-known/openid-co
 
 internal_code=$(curl -sS -o /dev/null -w '%{http_code}' "${PUBLIC_WEB_URL}/internal/safety/v1/messages/check")
 [ "$internal_code" = "404" ] || { echo "Public /internal returned $internal_code, expected 404" >&2; exit 1; }
+sms_internal_code=$(curl -sS -o /dev/null -w '%{http_code}' "${PUBLIC_WEB_URL}/internal/sms/v1/messages/00000000-0000-0000-0000-000000000000")
+[ "$sms_internal_code" = "404" ] || { echo "Public SMS internal API returned $sms_internal_code, expected 404" >&2; exit 1; }
+sms_callback_code=$(curl -sS -o /dev/null -w '%{http_code}' -X POST \
+  -H 'Content-Type: application/json' --data '[]' \
+  "${PUBLIC_WEB_URL}/callbacks/idgtl/sms")
+[ "$sms_callback_code" = "403" ] || { echo "SMS callback without provider IP returned $sms_callback_code, expected 403" >&2; exit 1; }
 
 headers=$(curl -fsSI "${PUBLIC_WEB_URL}/")
 printf '%s' "$headers" | grep -qi '^x-content-type-options: nosniff'

codebase/backend/frontend-test-site/src/auth.ts

@@ -4,6 +4,7 @@ import * as SecureStore from "expo-secure-store";
 import * as WebBrowser from "expo-web-browser";
 import { Platform } from "react-native";
 import { env, oidcIssuer } from "./config";
+import { buildOidcDeviceMetadata } from "./oidc-device";
 import { SingleFlight } from "./single-flight";
 import type { TokenSet } from "./types";
 
@@ -84,6 +85,7 @@ export async function beginAuthorization() {
     encoding: Crypto.CryptoEncoding.BASE64,
   });
   const challenge = digest.replaceAll("+", "-").replaceAll("/", "_").replaceAll("=", "");
+  const deviceMetadata = await buildOidcDeviceMetadata(secureStore);
   await secureStore.set(PKCE_KEY, JSON.stringify({ verifier, state, nonce, createdAt: Date.now() }));
   const url = `${oidcIssuer}/protocol/openid-connect/auth?${new URLSearchParams({
     client_id: env.clientId,
@@ -94,6 +96,7 @@ export async function beginAuthorization() {
     code_challenge_method: "S256",
     state,
     nonce,
+    ...deviceMetadata,
   })}`;
   if (Platform.OS === "web" && typeof window !== "undefined") {
     window.location.assign(url);

codebase/backend/frontend-test-site/src/oidc-device.ts

@@ -0,0 +1,94 @@
+import Constants from "expo-constants";
+import * as Crypto from "expo-crypto";
+import { Platform } from "react-native";
+
+const DEVICE_ID_KEY = "han.web-device-id";
+const CONTROL_CHARACTERS = /[\u0000-\u001f\u007f]/;
+
+type Store = {
+  get(key: string): Promise<string | null>;
+  set(key: string, value: string): Promise<void>;
+};
+
+export type OidcDeviceMetadata = Partial<Record<
+  | "han_device_id"
+  | "han_fingerprint"
+  | "han_platform"
+  | "han_os_name"
+  | "han_os_version"
+  | "han_app_version",
+  string
+>>;
+
+function safe(value: unknown, maxLength: number): string | undefined {
+  if (typeof value !== "string") return undefined;
+  const normalized = value.trim();
+  if (!normalized || normalized.length > maxLength || CONTROL_CHARACTERS.test(normalized)) {
+    return undefined;
+  }
+  return normalized;
+}
+
+type BrowserDetails = {
+  osName?: string;
+  osVersion?: string;
+  fingerprintSource?: string;
+};
+
+function browserDetails(): BrowserDetails {
+  if (typeof navigator === "undefined") return {};
+  const userAgent = navigator.userAgent;
+  const platform = safe(navigator.platform, 64);
+  const windows = userAgent.match(/Windows NT ([\d.]+)/);
+  const android = userAgent.match(/Android ([\d.]+)/);
+  const ios = userAgent.match(/(?:iPhone )?OS ([\d_]+)/);
+  const osName = windows ? "Windows" : android ? "Android" : ios ? "iOS" : platform;
+  const osVersion = windows?.[1] ?? android?.[1] ?? ios?.[1]?.replaceAll("_", ".");
+  return {
+    ...(osName ? { osName } : {}),
+    ...(osVersion ? { osVersion } : {}),
+    fingerprintSource: [
+      userAgent,
+      navigator.language,
+      platform,
+      Intl.DateTimeFormat().resolvedOptions().timeZone,
+      typeof screen === "undefined" ? "" : `${screen.width}x${screen.height}`,
+    ].join("|"),
+  };
+}
+
+export async function buildOidcDeviceMetadata(store: Store): Promise<OidcDeviceMetadata> {
+  const platform = Platform.OS === "ios" || Platform.OS === "android" ? Platform.OS : "web";
+  let deviceId = safe(await store.get(DEVICE_ID_KEY), 256);
+  if (!deviceId) {
+    deviceId = Crypto.randomUUID();
+    await store.set(DEVICE_ID_KEY, deviceId);
+  }
+
+  const browser = platform === "web" ? browserDetails() : {};
+  const constants = Platform.constants as unknown as Record<string, unknown>;
+  const fingerprintSource = browser.fingerprintSource
+    ?? [platform, constants.Brand, constants.Model, constants.osVersion].join("|");
+  const fingerprint = await Crypto.digestStringAsync(
+    Crypto.CryptoDigestAlgorithm.SHA256,
+    `${deviceId}|${fingerprintSource}`,
+  );
+
+  const osName = browser.osName
+    ?? safe(constants.systemName, 64)
+    ?? (platform === "ios" ? "iOS" : platform === "android" ? "Android" : undefined);
+  const osVersion = browser.osVersion
+    ?? safe(String(constants.osVersion ?? Platform.Version ?? ""), 64);
+  const appVersion = safe(Constants.expoConfig?.version, 64);
+  const safeOsName = safe(osName, 64);
+  const safeOsVersion = safe(osVersion, 64);
+
+  return {
+    han_device_id: deviceId,
+    han_fingerprint: fingerprint,
+    han_platform: platform,
+    ...(safeOsName ? { han_os_name: safeOsName } : {}),
+    ...(safeOsVersion ? { han_os_version: safeOsVersion } : {}),
+    ...(appVersion ? { han_app_version: appVersion } : {}),
+  };
+}

codebase/backend/frontend-test-site/tests/unit/core.test.ts

@@ -1,4 +1,18 @@
-import { describe, expect, it } from "vitest";
+import { describe, expect, it, vi } from "vitest";
+
+vi.mock("expo-constants", () => ({
+  default: { expoConfig: { version: "1.0.0" } },
+}));
+vi.mock("expo-crypto", () => ({
+  CryptoDigestAlgorithm: { SHA256: "SHA-256" },
+  randomUUID: vi.fn(() => "123e4567-e89b-42d3-a456-426614174000"),
+  digestStringAsync: vi.fn(async () => "stable-fingerprint"),
+}));
+vi.mock("react-native", () => ({
+  Platform: { OS: "web", Version: "test", constants: {} },
+}));
+
+import { buildOidcDeviceMetadata } from "../../src/oidc-device";
 import { reconcileMessages } from "../../src/reconcile";
 import { sessionMemory } from "../../src/session";
 import { SingleFlight } from "../../src/single-flight";
@@ -95,3 +109,26 @@ describe("WebSocket authentication protocol", () => {
     expect(protocol).not.toContain("=");
   });
 });
+
+describe("OIDC device metadata", () => {
+  it("создаёт стабильный web UUID и передаёт доступные han_* поля", async () => {
+    const values = new Map<string, string>();
+    const store = {
+      get: async (key: string) => values.get(key) ?? null,
+      set: async (key: string, value: string) => {
+        values.set(key, value);
+      },
+    };
+
+    const first = await buildOidcDeviceMetadata(store);
+    const second = await buildOidcDeviceMetadata(store);
+
+    expect(first.han_device_id).toBe("123e4567-e89b-42d3-a456-426614174000");
+    expect(second.han_device_id).toBe(first.han_device_id);
+    expect(first).toMatchObject({
+      han_fingerprint: "stable-fingerprint",
+      han_platform: "web",
+      han_app_version: "1.0.0",
+    });
+  });
+});

codebase/backend/infra/compose/application.yml

@@ -1,3 +1,11 @@
+x-no-sms-secrets: &no-sms-secrets
+  SMS_DATABASE_URL: ""
+  SMS_SERVICE_TOKEN: ""
+  KEYCLOAK_SMS_SERVICE_TOKEN: ""
+  IDGTL_SMS_API_KEY: ""
+  IDGTL_SMS_CALLBACK_USERNAME: ""
+  IDGTL_SMS_CALLBACK_PASSWORD: ""
+
 x-api-runtime: &api-runtime
   build:
     context: ../../api-backend
@@ -5,6 +13,7 @@ x-api-runtime: &api-runtime
   env_file:
     - path: ../../.env
       required: false
+  environment: *no-sms-secrets
   volumes:
     - type: bind
       source: ${PG_CA_HOST_PATH}
@@ -16,6 +25,29 @@ x-api-runtime: &api-runtime
     driver: json-file
     options: {max-size: "50m", max-file: "5"}
 
+x-sms-runtime: &sms-runtime
+  build:
+    context: ../../sms-service
+  image: ${SMS_SERVICE_IMAGE:-han-chat-sms-service:local}
+  environment:
+    SMS_DATABASE_URL: ${SMS_DATABASE_URL}
+    SMS_SERVICE_TOKEN: ${SMS_SERVICE_TOKEN}
+    IDGTL_SMS_BASE_URL: ${IDGTL_SMS_BASE_URL:-https://direct.i-dgtl.ru}
+    IDGTL_SMS_CALLBACK_PUBLIC_URL: ${IDGTL_SMS_CALLBACK_PUBLIC_URL}
+    IDGTL_SMS_CALLBACK_USERNAME: ${IDGTL_SMS_CALLBACK_USERNAME}
+    IDGTL_SMS_CALLBACK_PASSWORD: ${IDGTL_SMS_CALLBACK_PASSWORD}
+    LOG_LEVEL: ${LOG_LEVEL:-INFO}
+    OTEL_EXPORTER_OTLP_ENDPOINT: ${OTEL_EXPORTER_OTLP_ENDPOINT:-http://otel-collector:4317}
+  volumes:
+    - type: bind
+      source: ${PG_CA_HOST_PATH}
+      target: /run/secrets/pg-ca.pem
+      read_only: true
+  security_opt: ["no-new-privileges:true"]
+  logging:
+    driver: json-file
+    options: {max-size: "50m", max-file: "5"}
+
 services:
   frontend-static:
     build:
@@ -45,6 +77,7 @@ services:
       - path: ../../.env
         required: false
     environment:
+      <<: *no-sms-secrets
       KC_DB: postgres
       KC_DB_URL: ${KEYCLOAK_DB_URL}
       KC_DB_SCHEMA: ${KEYCLOAK_DB_SCHEMA:-keycloak}
@@ -59,12 +92,13 @@ services:
       KC_BOOTSTRAP_ADMIN_USERNAME: ${KEYCLOAK_ADMIN}
       KC_BOOTSTRAP_ADMIN_PASSWORD: ${KEYCLOAK_ADMIN_PASSWORD}
       KEYCLOAK_OTP_MOCK_ENABLED: ${KEYCLOAK_OTP_MOCK_ENABLED:-false}
-      KEYCLOAK_OTP_MOCK_CODE: ${KEYCLOAK_OTP_MOCK_CODE:?KEYCLOAK_OTP_MOCK_CODE is required}
+      KEYCLOAK_OTP_MOCK_CODE: ${KEYCLOAK_OTP_MOCK_CODE:-}
       KEYCLOAK_OTP_HMAC_KEY: ${KEYCLOAK_OTP_HMAC_KEY:?KEYCLOAK_OTP_HMAC_KEY is required}
-      KEYCLOAK_OTP_TTL_SEC: ${KEYCLOAK_OTP_TTL_SEC:-300}
       KEYCLOAK_OTP_SETTINGS_MAX_STALE_SEC: ${KEYCLOAK_OTP_SETTINGS_MAX_STALE_SEC:-300}
       KEYCLOAK_SETTINGS_BRIDGE_URL: ${KEYCLOAK_SETTINGS_BRIDGE_URL:-http://api-backend:8000/internal/settings/v1/otp}
       KEYCLOAK_SETTINGS_BRIDGE_TOKEN: ${KEYCLOAK_SETTINGS_BRIDGE_TOKEN:?KEYCLOAK_SETTINGS_BRIDGE_TOKEN is required}
+      KEYCLOAK_SMS_SERVICE_URL: ${KEYCLOAK_SMS_SERVICE_URL:-http://sms-service:8080}
+      KEYCLOAK_SMS_SERVICE_TOKEN: ${KEYCLOAK_SMS_SERVICE_TOKEN:?KEYCLOAK_SMS_SERVICE_TOKEN is required}
     command: ["start", "--optimized", "--import-realm"]
     expose: ["8080", "9000"]
     volumes:
@@ -85,6 +119,43 @@ services:
       driver: json-file
       options: {max-size: "50m", max-file: "5"}
 
+  sms-service:
+    <<: *sms-runtime
+    expose: ["8080"]
+    networks: [backend, observability, egress]
+    healthcheck:
+      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8080/health/ready', timeout=3)"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 30s
+    restart: unless-stopped
+
+  sms-worker:
+    <<: *sms-runtime
+    entrypoint: []
+    command: ["han-sms-worker"]
+    environment:
+      SMS_DATABASE_URL: ${SMS_DATABASE_URL}
+      SMS_SERVICE_TOKEN: ${SMS_SERVICE_TOKEN}
+      IDGTL_SMS_BASE_URL: ${IDGTL_SMS_BASE_URL:-https://direct.i-dgtl.ru}
+      IDGTL_SMS_API_KEY: ${IDGTL_SMS_API_KEY:?IDGTL_SMS_API_KEY is required}
+      IDGTL_SMS_CALLBACK_PUBLIC_URL: ${IDGTL_SMS_CALLBACK_PUBLIC_URL}
+      IDGTL_SMS_CALLBACK_USERNAME: ${IDGTL_SMS_CALLBACK_USERNAME}
+      IDGTL_SMS_CALLBACK_PASSWORD: ${IDGTL_SMS_CALLBACK_PASSWORD}
+      LOG_LEVEL: ${LOG_LEVEL:-INFO}
+      OTEL_EXPORTER_OTLP_ENDPOINT: ${OTEL_EXPORTER_OTLP_ENDPOINT:-http://otel-collector:4317}
+    networks: [backend, observability, egress]
+    depends_on:
+      sms-service: {condition: service_healthy}
+    healthcheck:
+      test: ["CMD", "python", "-c", "from pathlib import Path; assert b'han-sms-worker' in Path('/proc/1/cmdline').read_bytes()"]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+      start_period: 10s
+    restart: unless-stopped
+
   message-safety:
     build:
       context: ../../message-safety
@@ -92,6 +163,8 @@ services:
     env_file:
       - path: ../../.env
         required: false
+    environment:
+      <<: *no-sms-secrets
     expose: ["8080"]
     volumes:
       - type: bind
@@ -179,6 +252,8 @@ services:
     env_file:
       - path: ../../.env
         required: false
+    environment:
+      <<: *no-sms-secrets
     expose: ["8080"]
     volumes:
       - type: bind
@@ -207,6 +282,8 @@ services:
     env_file:
       - path: ../../.env
         required: false
+    environment:
+      <<: *no-sms-secrets
     expose: ["8080"]
     volumes:
       - type: bind

codebase/backend/keycloak/.env.example

@@ -7,10 +7,11 @@ KC_BOOTSTRAP_ADMIN_PASSWORD=replace-with-random-secret
 KEYCLOAK_OTP_MOCK_ENABLED=true
 KEYCLOAK_OTP_MOCK_CODE=replace-with-random-6-plus-character-secret
 KEYCLOAK_OTP_HMAC_KEY=replace-with-at-least-32-random-bytes
-KEYCLOAK_OTP_TTL_SEC=300
 KEYCLOAK_OTP_SETTINGS_MAX_STALE_SEC=300
 KEYCLOAK_SETTINGS_BRIDGE_URL=http://api-backend:8000/internal/settings/v1/otp
 KEYCLOAK_SETTINGS_BRIDGE_TOKEN=replace-with-service-token
+KEYCLOAK_SMS_SERVICE_URL=http://sms-service:8080
+KEYCLOAK_SMS_SERVICE_TOKEN=replace-with-independent-service-token
 
 KEYCLOAK_LOG_LEVEL=INFO
 KEYCLOAK_JAVA_OPTS=-XX:MaxRAMPercentage=70 -XX:InitialRAMPercentage=35

codebase/backend/keycloak/Dockerfile

@@ -6,6 +6,7 @@ COPY pom.xml .
 RUN --mount=type=cache,target=/root/.m2 mvn -B -ntp dependency:go-offline
 COPY src ./src
 COPY realm ./realm
+COPY themes ./themes
 RUN --mount=type=cache,target=/root/.m2 mvn -B -ntp clean verify
 
 FROM quay.io/keycloak/keycloak:26.1.4 AS keycloak-build

codebase/backend/keycloak/README.md

@@ -9,10 +9,12 @@ Production-like Keycloak 26.1.4 image and realm for OTP-only phone authenticatio
 - Access tokens contain audience `han-chat-api`, canonical E.164 `phone_number` and boolean `phone_number_verified`.
 - Access token lifetime is 5 minutes. Refresh token rotation is enabled with max reuse `0`; SSO idle/max are 30/90 days.
 - Realm brute-force protection uses temporary bounded lockouts.
-- OTP challenges, send counters and security events are stored in provider-owned PostgreSQL tables in the Keycloak schema. Liquibase migration `han-otp-1.0.0` is applied by Keycloak's JPA entity provider.
+- OTP challenges, send counters and security events are stored in provider-owned PostgreSQL tables in the Keycloak schema. Liquibase migrations are applied by Keycloak's JPA entity provider.
 - OTP and phone values are never logged. Durable rate records use HMAC-SHA256 phone identifiers; challenge verification uses HMAC and constant-time comparison.
 - Settings are fetched only from `GET /internal/settings/v1/otp` with `Authorization: Bearer ${KEYCLOAK_SETTINGS_BRIDGE_TOKEN}`. ETag/cache and bounded last-known-good are supported; an empty or stale cache fails closed.
-- Mock mode is explicit. Startup rejects missing values, code `1234`, codes shorter than six characters, and HMAC keys shorter than 32 bytes. Disabling mock mode without a real delivery provider fails startup.
+- Every challenge snapshots code length, TTL, SMS-order timeout and settings version. Runtime OTP values are not read from environment variables.
+- Mock mode is explicit and retains the configured test code. SMS mode generates a cryptographically secure numeric OTP, stores only its HMAC and orders delivery through `POST /internal/sms/v1/send`; Keycloak never calls or polls the provider.
+- SMS mode requires `KEYCLOAK_SMS_SERVICE_URL` and an independent `KEYCLOAK_SMS_SERVICE_TOKEN`. No real credentials are committed.
 
 ## Build and test
 
@@ -73,14 +75,22 @@ Private signing keys are generated and stored by Keycloak and are absent from th
 
 Provider tables:
 
-- `han_otp_challenge`: expiring, one-time challenges with optimistic version and pessimistic verification lock;
+- `han_otp_challenge`: expiring, one-time challenges with explicit ordering/active/final statuses, settings snapshot and optional `sms_message_id`;
 - `han_otp_send_counter`: durable 24-hour counter/cooldown per phone HMAC;
-- `han_otp_security_event`: append-only minimal outcomes without raw phone or OTP.
+- `han_otp_security_event`: append-only send/verify outcomes with SMS correlation and validated device audit metadata, without raw phone or OTP.
 
-Resend marks an earlier active challenge as superseded. Verification locks a challenge row, increments attempts, and atomically consumes a valid challenge, preventing replay and parallel double use.
+Resend creates a new durable order and marks earlier active/ordering challenges as superseded. Verification accepts only active, unexpired challenges, locks the row, increments attempts, and atomically consumes a valid code. Provider delivery status never participates in verification.
 
 Expired challenge and old security-event retention should be removed by a scheduled database maintenance job executed with the Keycloak schema role. Recommended retention is 24 hours for expired challenges/counters and the legally approved audit retention for security events. Cleanup must run in bounded batches and must not alter standard Keycloak tables.
 
+The provider schedules a once-per-minute expiry update and also performs lazy expiry on send and verify. The theme renders digit inputs and countdown from the challenge snapshot, submits a real resend action and carries optional `han_*` device metadata.
+
+## SMS order behavior
+
+`200` or `202` with a valid UUID `sms_message_id` and ISO-8601 `ordered_at` activates a real-mode challenge. Timeout, I/O failure or 5xx is retried once with the same `keycloak:challenge:{id}` idempotency key; final failure marks that challenge `order_failed`. The retry creates neither another challenge nor another send-counter increment.
+
+Reserve, SMS HTTP order, and activation/order-failure run as separate transaction phases. The HTTP call holds no challenge/counter database lock, and every retry retains the same challenge id.
+
 ## Release and recovery
 
 Before upgrading Keycloak, read migration notes, rebuild the provider against the exact target SPI version, test on a database clone, and execute OTP login/refresh/logout contract tests. Do not skip major versions without a supported path.

codebase/backend/keycloak/docker-compose.yml

@@ -21,12 +21,13 @@ services:
       KC_BOOTSTRAP_ADMIN_USERNAME: ${KC_BOOTSTRAP_ADMIN_USERNAME:?bootstrap admin username is required}
       KC_BOOTSTRAP_ADMIN_PASSWORD: ${KC_BOOTSTRAP_ADMIN_PASSWORD:?bootstrap admin password is required}
       KEYCLOAK_OTP_MOCK_ENABLED: ${KEYCLOAK_OTP_MOCK_ENABLED:-true}
-      KEYCLOAK_OTP_MOCK_CODE: ${KEYCLOAK_OTP_MOCK_CODE:?mock code is required}
+      KEYCLOAK_OTP_MOCK_CODE: ${KEYCLOAK_OTP_MOCK_CODE:-}
       KEYCLOAK_OTP_HMAC_KEY: ${KEYCLOAK_OTP_HMAC_KEY:?OTP HMAC key is required}
-      KEYCLOAK_OTP_TTL_SEC: ${KEYCLOAK_OTP_TTL_SEC:-300}
       KEYCLOAK_OTP_SETTINGS_MAX_STALE_SEC: ${KEYCLOAK_OTP_SETTINGS_MAX_STALE_SEC:-300}
       KEYCLOAK_SETTINGS_BRIDGE_URL: ${KEYCLOAK_SETTINGS_BRIDGE_URL:-http://api-backend:8000/internal/settings/v1/otp}
       KEYCLOAK_SETTINGS_BRIDGE_TOKEN: ${KEYCLOAK_SETTINGS_BRIDGE_TOKEN:?settings bridge token is required}
+      KEYCLOAK_SMS_SERVICE_URL: ${KEYCLOAK_SMS_SERVICE_URL:-http://sms-service:8080}
+      KEYCLOAK_SMS_SERVICE_TOKEN: ${KEYCLOAK_SMS_SERVICE_TOKEN:-}
       KC_LOG_CONSOLE_OUTPUT: json
       KC_LOG_LEVEL: ${KEYCLOAK_LOG_LEVEL:-INFO}
       JAVA_OPTS_APPEND: ${KEYCLOAK_JAVA_OPTS:--XX:MaxRAMPercentage=70 -XX:InitialRAMPercentage=35}

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/Config.java

@@ -5,21 +5,26 @@ import java.time.Duration;
 
 final class Config {
     static final boolean MOCK_ENABLED = bool("KEYCLOAK_OTP_MOCK_ENABLED", true);
-    static final String MOCK_CODE = required("KEYCLOAK_OTP_MOCK_CODE");
+    static final String MOCK_CODE = env("KEYCLOAK_OTP_MOCK_CODE", "");
     static final byte[] HMAC_KEY = required("KEYCLOAK_OTP_HMAC_KEY").getBytes(java.nio.charset.StandardCharsets.UTF_8);
-    static final Duration OTP_TTL = Duration.ofSeconds(integer("KEYCLOAK_OTP_TTL_SEC", 300, 30, 900));
     static final Duration SETTINGS_MAX_STALE = Duration.ofSeconds(
             integer("KEYCLOAK_OTP_SETTINGS_MAX_STALE_SEC", 300, 30, 3600));
     static final URI SETTINGS_URL = URI.create(env("KEYCLOAK_SETTINGS_BRIDGE_URL",
             "http://api-backend:8000/internal/settings/v1/otp"));
     static final String SETTINGS_TOKEN = required("KEYCLOAK_SETTINGS_BRIDGE_TOKEN");
+    static final URI SMS_SERVICE_URL = URI.create(env("KEYCLOAK_SMS_SERVICE_URL",
+            "http://sms-service:8080")).resolve("/internal/sms/v1/send");
+    static final String SMS_SERVICE_TOKEN = env("KEYCLOAK_SMS_SERVICE_TOKEN", "");
 
     static {
-        if (!MOCK_ENABLED) {
-            throw new IllegalStateException("No real OTP delivery provider configured; refusing to start");
+        if (MOCK_ENABLED && (!MOCK_CODE.matches("\\d{6,10}") || "1234".equals(MOCK_CODE))) {
+            throw new IllegalStateException(
+                    "KEYCLOAK_OTP_MOCK_CODE must be a non-default numeric code of 6 to 10 digits");
         }
-        if (MOCK_CODE.isBlank() || "1234".equals(MOCK_CODE) || MOCK_CODE.length() < 6) {
-            throw new IllegalStateException("KEYCLOAK_OTP_MOCK_CODE must be a non-default secret of at least 6 characters");
+        if (!MOCK_ENABLED
+                && SMS_SERVICE_TOKEN.getBytes(java.nio.charset.StandardCharsets.UTF_8).length < 32) {
+            throw new IllegalStateException(
+                    "KEYCLOAK_SMS_SERVICE_TOKEN must contain at least 32 bytes in SMS mode");
         }
         if (HMAC_KEY.length < 32) {
             throw new IllegalStateException("KEYCLOAK_OTP_HMAC_KEY must contain at least 32 bytes");
@@ -28,6 +33,10 @@ final class Config {
 
     private Config() {}
 
+    static void validate() {
+        // Class initialization performs the fail-closed validation.
+    }
+
     private static String required(String name) {
         String value = System.getenv(name);
         if (value == null || value.isBlank()) {

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/Crypto.java

@@ -18,6 +18,17 @@ final class Crypto {
         return Base64.getUrlEncoder().withoutPadding().encodeToString(bytes);
     }
 
+    static String randomNumericCode(int length) {
+        if (length < 4 || length > 10) {
+            throw new IllegalArgumentException("OTP length must be between 4 and 10");
+        }
+        StringBuilder code = new StringBuilder(length);
+        for (int index = 0; index < length; index++) {
+            code.append(RANDOM.nextInt(10));
+        }
+        return code.toString();
+    }
+
     static String hmac(String purpose, String value) {
         try {
             Mac mac = Mac.getInstance("HmacSHA256");

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/DeviceMetadata.java

@@ -0,0 +1,66 @@
+package ru.han.chat.keycloak;
+
+import jakarta.ws.rs.core.MultivaluedMap;
+import java.util.Set;
+import org.keycloak.authentication.AuthenticationFlowContext;
+
+record DeviceMetadata(
+        String clientIp,
+        String userAgent,
+        String deviceId,
+        String fingerprint,
+        String osName,
+        String osVersion,
+        String platform,
+        String appVersion) {
+    private static final Set<String> PLATFORMS = Set.of("web", "ios", "android");
+
+    static DeviceMetadata capture(AuthenticationFlowContext context) {
+        MultivaluedMap<String, String> form = context.getHttpRequest().getDecodedFormParameters();
+        var session = context.getAuthenticationSession();
+        MultivaluedMap<String, String> query = context.getHttpRequest().getUri().getQueryParameters();
+        String deviceId = value(form, query, session.getAuthNote("han.device_id"), "han_device_id", 256);
+        String fingerprint = value(form, query, session.getAuthNote("han.fingerprint"), "han_fingerprint", 256);
+        String osName = value(form, query, session.getAuthNote("han.os_name"), "han_os_name", 64);
+        String osVersion = value(form, query, session.getAuthNote("han.os_version"), "han_os_version", 64);
+        String platform = value(form, query, session.getAuthNote("han.platform"), "han_platform", 16);
+        String appVersion = value(form, query, session.getAuthNote("han.app_version"), "han_app_version", 64);
+        if (platform != null && !PLATFORMS.contains(platform)) platform = null;
+
+        save(session, "han.device_id", deviceId);
+        save(session, "han.fingerprint", fingerprint);
+        save(session, "han.os_name", osName);
+        save(session, "han.os_version", osVersion);
+        save(session, "han.platform", platform);
+        save(session, "han.app_version", appVersion);
+        return new DeviceMetadata(
+                clean(context.getConnection().getRemoteAddr(), 64),
+                clean(context.getHttpRequest().getHttpHeaders().getHeaderString("User-Agent"), 1024),
+                deviceId, fingerprint, osName, osVersion, platform, appVersion);
+    }
+
+    private static String value(
+            MultivaluedMap<String, String> form,
+            MultivaluedMap<String, String> query,
+            String saved,
+            String name,
+            int max) {
+        String submitted = form.getFirst(name);
+        if (submitted == null) submitted = query.getFirst(name);
+        return clean(submitted == null ? saved : submitted, max);
+    }
+
+    private static void save(
+            org.keycloak.sessions.AuthenticationSessionModel session, String name, String value) {
+        if (value == null) session.removeAuthNote(name);
+        else session.setAuthNote(name, value);
+    }
+
+    private static String clean(String value, int max) {
+        if (value == null || value.isBlank() || value.length() > max) return null;
+        for (int i = 0; i < value.length(); i++) {
+            if (Character.isISOControl(value.charAt(i))) return null;
+        }
+        return value;
+    }
+}

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/OtpFlow.java

@@ -0,0 +1,38 @@
+package ru.han.chat.keycloak;
+
+import org.keycloak.authentication.AuthenticationFlowContext;
+import org.keycloak.models.utils.KeycloakModelUtils;
+import ru.han.chat.keycloak.entity.OtpChallengeEntity;
+
+final class OtpFlow {
+    private OtpFlow() {}
+
+    static OtpChallengeEntity start(
+            AuthenticationFlowContext context,
+            String phone,
+            SettingsBridge.Settings settings,
+            DeviceMetadata device) {
+        OtpStore.Reservation reservation = KeycloakModelUtils.runJobInTransactionWithResult(
+                context.getSession().getKeycloakSessionFactory(),
+                session -> new OtpStore(session).reserve(phone, settings, device));
+        OtpChallengeEntity challenge = reservation.challenge();
+        if (!Config.MOCK_ENABLED) {
+            String challengeId = challenge.id;
+            try {
+                String requestId = context.getHttpRequest().getHttpHeaders().getHeaderString("X-Request-ID");
+                String traceparent = context.getHttpRequest().getHttpHeaders().getHeaderString("traceparent");
+                SmsOrderClient.OrderResult order = new SmsOrderClient().order(
+                        challengeId, phone, reservation.otp(), settings, requestId, traceparent);
+                challenge = KeycloakModelUtils.runJobInTransactionWithResult(
+                        context.getSession().getKeycloakSessionFactory(),
+                        session -> new OtpStore(session).activate(challengeId, order, device));
+            } catch (RuntimeException exception) {
+                KeycloakModelUtils.runJobInTransaction(
+                        context.getSession().getKeycloakSessionFactory(),
+                        session -> new OtpStore(session).orderFailed(challengeId, device));
+                throw exception;
+            }
+        }
+        return challenge;
+    }
+}

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/OtpStore.java

@@ -4,6 +4,7 @@ import jakarta.persistence.EntityManager;
 import jakarta.persistence.LockModeType;
 import java.time.Duration;
 import java.time.Instant;
+import java.util.UUID;
 import org.keycloak.connections.jpa.JpaConnectionProvider;
 import org.keycloak.models.KeycloakSession;
 import ru.han.chat.keycloak.entity.OtpChallengeEntity;
@@ -17,7 +18,7 @@ final class OtpStore {
         this.entityManager = session.getProvider(JpaConnectionProvider.class).getEntityManager();
     }
 
-    OtpChallengeEntity reserve(String phone, SettingsBridge.Limits limits) {
+    Reservation reserve(String phone, SettingsBridge.Settings settings, DeviceMetadata device) {
         Instant now = Instant.now();
         String phoneHmac = Crypto.hmac("phone", phone);
         OtpSendCounterEntity counter = entityManager.find(
@@ -34,77 +35,169 @@ final class OtpStore {
             counter.windowStart = now;
             counter.sendCount = 0;
         }
-        if (counter.sendCount >= limits.maxSendsPer24h()) {
-            event("otp_send", phoneHmac, null, "limited", "daily_limit");
+
+        expireDue(now);
+        if (counter.sendCount >= settings.maxSendsPer24h()) {
+            event("otp_send", phoneHmac, null, null, "limited", "daily_limit", device);
             throw new OtpLimitException("otp_send_limited");
         }
-        if (counter.lastSentAt.plusSeconds(limits.minSecondsBetween()).isAfter(now)) {
-            event("otp_send", phoneHmac, null, "limited", "cooldown");
-            throw new OtpLimitException("otp_send_limited");
+        if (counter.lastSentAt.plusSeconds(settings.minSecondsBetween()).isAfter(now)) {
+            event("otp_send", phoneHmac, null, null, "limited", "cooldown", device);
+            throw new OtpLimitException("otp_send_cooldown");
         }
         counter.sendCount++;
         counter.lastSentAt = now;
 
         entityManager.createQuery("""
-                update OtpChallengeEntity c set c.consumedAt = :now, c.providerStatus = 'superseded'
-                where c.phoneHmac = :phone and c.consumedAt is null and c.expiresAt > :now
-                """).setParameter("now", now).setParameter("phone", phoneHmac).executeUpdate();
+                update OtpChallengeEntity c set c.challengeStatus = 'superseded'
+                where c.phoneHmac = :phone and c.challengeStatus in ('active', 'ordering')
+                """).setParameter("phone", phoneHmac).executeUpdate();
 
         OtpChallengeEntity challenge = new OtpChallengeEntity();
         challenge.id = Crypto.randomId();
+        String otp = Config.MOCK_ENABLED ? Config.MOCK_CODE : Crypto.randomNumericCode(settings.codeLength());
+        if (Config.MOCK_ENABLED && otp.length() != settings.codeLength()) {
+            throw new IllegalStateException("Mock OTP length must match the settings snapshot");
+        }
         challenge.phoneHmac = phoneHmac;
         challenge.destinationMasked = PhoneNormalizer.mask(phone);
-        challenge.otpHash = Crypto.hmac("otp:" + challenge.id, Config.MOCK_CODE);
+        challenge.otpHash = Crypto.hmac("otp:" + challenge.id, otp);
         challenge.createdAt = now;
-        challenge.expiresAt = now.plus(Config.OTP_TTL);
+        challenge.expiresAt = now.plusSeconds(settings.ttlSeconds());
         challenge.verifyAttempts = 0;
-        challenge.maxVerifyAttempts = limits.maxVerifyAttempts();
-        challenge.settingsVersion = limits.version();
-        challenge.providerId = "mock-" + Crypto.randomId();
-        challenge.providerStatus = "accepted";
+        challenge.maxVerifyAttempts = settings.maxVerifyAttempts();
+        challenge.settingsVersion = settings.version();
+        challenge.deliveryMode = Config.MOCK_ENABLED ? "mock" : "sms";
+        challenge.challengeStatus = Config.MOCK_ENABLED ? "active" : "ordering";
+        challenge.orderedAt = Config.MOCK_ENABLED ? now : null;
+        challenge.otpTtlSec = settings.ttlSeconds();
+        challenge.otpCodeLength = settings.codeLength();
         entityManager.persist(challenge);
-        event("otp_send", phoneHmac, challenge.id, "success", "mock");
+        if (Config.MOCK_ENABLED) {
+            event("otp_send", phoneHmac, challenge.id, null, "success", "mock", device);
+        }
+        return new Reservation(challenge, otp);
+    }
+
+    OtpChallengeEntity activate(
+            String challengeId, SmsOrderClient.OrderResult order, DeviceMetadata device) {
+        OtpChallengeEntity challenge = locked(challengeId);
+        if (!"ordering".equals(challenge.challengeStatus)) return challenge;
+        challenge.smsMessageId = order.smsMessageId();
+        challenge.orderedAt = order.orderedAt();
+        challenge.expiresAt = order.orderedAt().plusSeconds(challenge.otpTtlSec);
+        challenge.challengeStatus = "active";
+        event("otp_send", challenge.phoneHmac, challenge.id, challenge.smsMessageId,
+                "success", "ordered", device);
         return challenge;
     }
 
-    boolean consume(String challengeId, String suppliedCode) {
+    void orderFailed(String challengeId, DeviceMetadata device) {
+        OtpChallengeEntity challenge = locked(challengeId);
+        if (!"ordering".equals(challenge.challengeStatus)) return;
+        challenge.challengeStatus = "order_failed";
+        event("otp_send", challenge.phoneHmac, challenge.id, null,
+                "failure", "order_failed", device);
+    }
+
+    boolean consume(String challengeId, String suppliedCode, DeviceMetadata device) {
         OtpChallengeEntity challenge = entityManager.find(
                 OtpChallengeEntity.class, challengeId, LockModeType.PESSIMISTIC_WRITE);
         Instant now = Instant.now();
-        if (challenge == null || challenge.consumedAt != null || !challenge.expiresAt.isAfter(now)) {
-            if (challenge != null) event("otp_verify", challenge.phoneHmac, challengeId, "failure", "expired_or_used");
+        if (challenge == null) return false;
+        if (!"active".equals(challenge.challengeStatus)) {
+            event("otp_verify", challenge.phoneHmac, challengeId, challenge.smsMessageId,
+                    "already_used", challenge.challengeStatus, device);
+            return false;
+        }
+        if (!challenge.expiresAt.isAfter(now)) {
+            challenge.challengeStatus = "expired";
+            event("otp_verify", challenge.phoneHmac, challengeId, challenge.smsMessageId,
+                    "expired", "ttl", device);
             return false;
         }
         if (challenge.verifyAttempts >= challenge.maxVerifyAttempts) {
-            event("otp_verify", challenge.phoneHmac, challengeId, "limited", "attempt_limit");
+            challenge.challengeStatus = "limited";
+            event("otp_verify", challenge.phoneHmac, challengeId, challenge.smsMessageId,
+                    "limited", "attempt_limit", device);
             return false;
         }
         challenge.verifyAttempts++;
         boolean valid = suppliedCode != null && Crypto.constantTimeEquals(
                 challenge.otpHash, Crypto.hmac("otp:" + challenge.id, suppliedCode));
         if (!valid) {
-            event("otp_verify", challenge.phoneHmac, challengeId, "failure", "invalid");
+            boolean limited = challenge.verifyAttempts >= challenge.maxVerifyAttempts;
+            if (limited) challenge.challengeStatus = "limited";
+            event("otp_verify", challenge.phoneHmac, challengeId, challenge.smsMessageId,
+                    limited ? "limited" : "failure", limited ? "attempt_limit" : "invalid", device);
             return false;
         }
         challenge.consumedAt = now;
-        challenge.providerStatus = "consumed";
-        event("otp_verify", challenge.phoneHmac, challengeId, "success", "verified");
+        challenge.challengeStatus = "consumed";
+        event("otp_verify", challenge.phoneHmac, challengeId, challenge.smsMessageId,
+                "success", "verified", device);
         return true;
     }
 
-    private void event(String type, String phoneHmac, String challengeId, String outcome, String details) {
+    OtpChallengeEntity get(String challengeId) {
+        return entityManager.find(OtpChallengeEntity.class, challengeId);
+    }
+
+    void expireDue() {
+        expireDue(Instant.now());
+    }
+
+    private OtpChallengeEntity locked(String challengeId) {
+        OtpChallengeEntity challenge = entityManager.find(
+                OtpChallengeEntity.class, challengeId, LockModeType.PESSIMISTIC_WRITE);
+        if (challenge == null) throw new IllegalStateException("OTP challenge not found");
+        return challenge;
+    }
+
+    private void expireDue(Instant now) {
+        entityManager.createQuery("""
+                update OtpChallengeEntity c set c.challengeStatus = 'expired'
+                where c.challengeStatus = 'active' and c.expiresAt <= :now
+                """).setParameter("now", now).executeUpdate();
+    }
+
+    private void event(
+            String type,
+            String phoneHmac,
+            String challengeId,
+            UUID smsMessageId,
+            String outcome,
+            String details,
+            DeviceMetadata device) {
         OtpSecurityEventEntity event = new OtpSecurityEventEntity();
         event.id = Crypto.randomId();
         event.occurredAt = Instant.now();
         event.eventType = type;
         event.phoneHmac = phoneHmac;
         event.challengeId = challengeId;
+        event.smsMessageId = smsMessageId;
         event.outcome = outcome;
         event.details = details;
+        if (device != null) {
+            event.clientIp = device.clientIp();
+            event.userAgent = device.userAgent();
+            event.deviceId = device.deviceId();
+            event.fingerprint = device.fingerprint();
+            event.osName = device.osName();
+            event.osVersion = device.osVersion();
+            event.platform = device.platform();
+            event.appVersion = device.appVersion();
+        }
         entityManager.persist(event);
     }
 
+    record Reservation(OtpChallengeEntity challenge, String otp) {}
+
     static final class OtpLimitException extends RuntimeException {
         OtpLimitException(String message) { super(message); }
+
+        boolean isCooldown() {
+            return "otp_send_cooldown".equals(getMessage());
+        }
     }
 }

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/PhoneIdentityAuthenticator.java

@@ -12,40 +12,62 @@ public final class PhoneIdentityAuthenticator implements Authenticator {
     static final String PHONE_NOTE = "han.phone";
     static final String CHALLENGE_NOTE = "han.otp.challenge";
     static final String MASKED_NOTE = "han.phone.masked";
+    static final String CODE_LENGTH_NOTE = "han.otp.code_length";
+    static final String EXPIRES_AT_NOTE = "han.otp.expires_at";
     private final PhoneNormalizer normalizer = new PhoneNormalizer();
 
     @Override
     public void authenticate(AuthenticationFlowContext context) {
+        DeviceMetadata device = DeviceMetadata.capture(context);
         if (context.getAuthenticationSession().getAuthNote(CHALLENGE_NOTE) != null) {
             context.success();
             return;
         }
-        context.challenge(context.form().createForm("phone.ftl"));
+        context.challenge(phoneForm(context, null, device));
     }
 
     @Override
     public void action(AuthenticationFlowContext context) {
         String rawPhone = context.getHttpRequest().getDecodedFormParameters().getFirst("phone");
+        DeviceMetadata device = DeviceMetadata.capture(context);
         try {
             String phone = normalizer.normalize(rawPhone);
-            SettingsBridge.Limits limits = SettingsBridge.get();
-            var challenge = new OtpStore(context.getSession()).reserve(phone, limits);
+            SettingsBridge.Settings settings = SettingsBridge.get();
+            var challenge = OtpFlow.start(context, phone, settings, device);
             context.getAuthenticationSession().setAuthNote(PHONE_NOTE, phone);
             context.getAuthenticationSession().setAuthNote(CHALLENGE_NOTE, challenge.id);
             context.getAuthenticationSession().setAuthNote(MASKED_NOTE, challenge.destinationMasked);
+            context.getAuthenticationSession().setAuthNote(
+                    CODE_LENGTH_NOTE, Integer.toString(challenge.otpCodeLength));
+            context.getAuthenticationSession().setAuthNote(
+                    EXPIRES_AT_NOTE, Long.toString(challenge.expiresAt.toEpochMilli()));
             context.success();
         } catch (IllegalArgumentException exception) {
-            Response response = context.form().setError("phoneInvalid").createForm("phone.ftl");
+            Response response = phoneForm(context, "phoneInvalid", device);
             context.failureChallenge(AuthenticationFlowError.INVALID_USER, response);
         } catch (OtpStore.OtpLimitException exception) {
-            Response response = context.form().setError("otpLimited").createForm("phone.ftl");
+            Response response = phoneForm(
+                    context, exception.isCooldown() ? "otpCooldown" : "otpLimited", device);
             context.failureChallenge(AuthenticationFlowError.GENERIC_AUTHENTICATION_ERROR, response);
         } catch (RuntimeException exception) {
-            Response response = context.form().setError("otpUnavailable").createForm("phone.ftl");
+            Response response = phoneForm(context, "otpUnavailable", device);
             context.failureChallenge(AuthenticationFlowError.INTERNAL_ERROR, response);
         }
     }
 
+    private static Response phoneForm(
+            AuthenticationFlowContext context, String messageKey, DeviceMetadata device) {
+        var form = context.form()
+                .setAttribute("hanDeviceId", device.deviceId())
+                .setAttribute("hanFingerprint", device.fingerprint())
+                .setAttribute("hanPlatform", device.platform())
+                .setAttribute("hanOsName", device.osName())
+                .setAttribute("hanOsVersion", device.osVersion())
+                .setAttribute("hanAppVersion", device.appVersion());
+        if (messageKey != null) form.setError(messageKey);
+        return form.createForm("phone.ftl");
+    }
+
     @Override public boolean requiresUser() { return false; }
     @Override public boolean configuredFor(KeycloakSession session, RealmModel realm, UserModel user) { return true; }
     @Override public void setRequiredActions(KeycloakSession session, RealmModel realm, UserModel user) {}

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/PhoneOtpAuthenticator.java

@@ -19,7 +19,7 @@ public final class PhoneOtpAuthenticator implements Authenticator {
         }
         String masked = context.getAuthenticationSession()
                 .getAuthNote(PhoneIdentityAuthenticator.MASKED_NOTE);
-        context.challenge(context.form().setAttribute("maskedPhone", masked).createForm("otp.ftl"));
+        context.challenge(otpForm(context, masked, null));
     }
 
     @Override
@@ -27,16 +27,37 @@ public final class PhoneOtpAuthenticator implements Authenticator {
         String challengeId = context.getAuthenticationSession()
                 .getAuthNote(PhoneIdentityAuthenticator.CHALLENGE_NOTE);
         String phone = context.getAuthenticationSession().getAuthNote(PhoneIdentityAuthenticator.PHONE_NOTE);
+        String action = context.getHttpRequest().getDecodedFormParameters().getFirst("otp_action");
         String code = context.getHttpRequest().getDecodedFormParameters().getFirst("otp");
         if (challengeId == null || phone == null) {
             context.failure(AuthenticationFlowError.INTERNAL_ERROR);
             return;
         }
-        if (!new OtpStore(context.getSession()).consume(challengeId, code)) {
-            Response response = context.form()
-                    .setAttribute("maskedPhone", PhoneNormalizer.mask(phone))
-                    .setError("otpInvalid")
-                    .createForm("otp.ftl");
+        DeviceMetadata device = DeviceMetadata.capture(context);
+        if ("resend".equals(action)) {
+            try {
+                var challenge = OtpFlow.start(context, phone, SettingsBridge.get(), device);
+                context.getAuthenticationSession().setAuthNote(
+                        PhoneIdentityAuthenticator.CHALLENGE_NOTE, challenge.id);
+                context.getAuthenticationSession().setAuthNote(
+                        PhoneIdentityAuthenticator.CODE_LENGTH_NOTE, Integer.toString(challenge.otpCodeLength));
+                context.getAuthenticationSession().setAuthNote(
+                        PhoneIdentityAuthenticator.EXPIRES_AT_NOTE, Long.toString(challenge.expiresAt.toEpochMilli()));
+                context.challenge(otpForm(context, challenge.destinationMasked, null));
+            } catch (OtpStore.OtpLimitException exception) {
+                context.failureChallenge(AuthenticationFlowError.GENERIC_AUTHENTICATION_ERROR,
+                        otpForm(
+                                context,
+                                PhoneNormalizer.mask(phone),
+                                exception.isCooldown() ? "otpCooldown" : "otpLimited"));
+            } catch (RuntimeException exception) {
+                context.failureChallenge(AuthenticationFlowError.INTERNAL_ERROR,
+                        otpForm(context, PhoneNormalizer.mask(phone), "otpUnavailable"));
+            }
+            return;
+        }
+        if (!new OtpStore(context.getSession()).consume(challengeId, code, device)) {
+            Response response = otpForm(context, PhoneNormalizer.mask(phone), "otpInvalid");
             context.failureChallenge(AuthenticationFlowError.INVALID_CREDENTIALS, response);
             return;
         }
@@ -62,6 +83,26 @@ public final class PhoneOtpAuthenticator implements Authenticator {
         context.success();
     }
 
+    private static Response otpForm(AuthenticationFlowContext context, String masked, String messageKey) {
+        DeviceMetadata device = DeviceMetadata.capture(context);
+        String codeLength = context.getAuthenticationSession()
+                .getAuthNote(PhoneIdentityAuthenticator.CODE_LENGTH_NOTE);
+        String expiresAt = context.getAuthenticationSession()
+                .getAuthNote(PhoneIdentityAuthenticator.EXPIRES_AT_NOTE);
+        var form = context.form()
+                .setAttribute("maskedPhone", masked)
+                .setAttribute("otpCodeLength", codeLength == null ? 6 : Integer.parseInt(codeLength))
+                .setAttribute("otpExpiresAt", expiresAt == null ? 0 : Long.parseLong(expiresAt))
+                .setAttribute("hanDeviceId", device.deviceId())
+                .setAttribute("hanFingerprint", device.fingerprint())
+                .setAttribute("hanPlatform", device.platform())
+                .setAttribute("hanOsName", device.osName())
+                .setAttribute("hanOsVersion", device.osVersion())
+                .setAttribute("hanAppVersion", device.appVersion());
+        if (messageKey != null) form.setError(messageKey);
+        return form.createForm("otp.ftl");
+    }
+
     @Override public boolean requiresUser() { return false; }
     @Override public boolean configuredFor(KeycloakSession session, RealmModel realm, UserModel user) { return true; }
     @Override public void setRequiredActions(KeycloakSession session, RealmModel realm, UserModel user) {}

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/PhoneOtpAuthenticatorFactory.java

@@ -7,7 +7,9 @@ import org.keycloak.authentication.AuthenticatorFactory;
 import org.keycloak.models.AuthenticationExecutionModel;
 import org.keycloak.models.KeycloakSession;
 import org.keycloak.models.KeycloakSessionFactory;
+import org.keycloak.models.utils.KeycloakModelUtils;
 import org.keycloak.provider.ProviderConfigProperty;
+import org.keycloak.timer.TimerProvider;
 
 public final class PhoneOtpAuthenticatorFactory implements AuthenticatorFactory {
     public static final String ID = "han-phone-otp";
@@ -25,11 +27,16 @@ public final class PhoneOtpAuthenticatorFactory implements AuthenticatorFactory
     @Override public boolean isUserSetupAllowed() { return false; }
     @Override public String getHelpText() { return "Verifies and atomically consumes a durable phone OTP challenge."; }
     @Override public List<ProviderConfigProperty> getConfigProperties() { return List.of(); }
-    @Override public void init(Config.Scope config) {
-        if (!ru.han.chat.keycloak.Config.MOCK_ENABLED) {
-            throw new IllegalStateException("OTP delivery provider is not configured");
+    @Override public void init(Config.Scope config) { ru.han.chat.keycloak.Config.validate(); }
+    @Override
+    public void postInit(KeycloakSessionFactory factory) {
+        try (KeycloakSession session = factory.create()) {
+            session.getProvider(TimerProvider.class).schedule(
+                    () -> KeycloakModelUtils.runJobInTransaction(
+                            factory, jobSession -> new OtpStore(jobSession).expireDue()),
+                    60_000L,
+                    "han-otp-expiry");
         }
     }
-    @Override public void postInit(KeycloakSessionFactory factory) {}
     @Override public void close() {}
 }

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/SettingsBridge.java

@@ -17,18 +17,25 @@ final class SettingsBridge {
             .connectTimeout(Duration.ofSeconds(2)).build();
     private static volatile Cached cached;
 
-    record Limits(int maxSendsPer24h, int minSecondsBetween, int maxVerifyAttempts, String version) {}
-    private record Cached(Limits limits, Instant fetchedAt, Instant refreshAfter, String etag) {}
+    record Settings(
+            int maxSendsPer24h,
+            int minSecondsBetween,
+            int maxVerifyAttempts,
+            int codeLength,
+            int ttlSeconds,
+            int smsOrderTimeoutMs,
+            String version) {}
+    private record Cached(Settings settings, Instant fetchedAt, Instant refreshAfter, String etag) {}
 
     private SettingsBridge() {}
 
-    static Limits get() {
+    static Settings get() {
         Cached local = cached;
         Instant now = Instant.now();
-        if (local != null && now.isBefore(local.refreshAfter)) return local.limits;
+        if (local != null && now.isBefore(local.refreshAfter)) return local.settings;
         synchronized (SettingsBridge.class) {
             local = cached;
-            if (local != null && now.isBefore(local.refreshAfter)) return local.limits;
+            if (local != null && now.isBefore(local.refreshAfter)) return local.settings;
             try {
                 HttpRequest.Builder builder = HttpRequest.newBuilder(Config.SETTINGS_URL)
                         .timeout(Duration.ofSeconds(3))
@@ -38,27 +45,35 @@ final class SettingsBridge {
                 if (local != null && local.etag != null) builder.header("If-None-Match", local.etag);
                 HttpResponse<String> response = CLIENT.send(builder.build(), HttpResponse.BodyHandlers.ofString());
                 if (response.statusCode() == 304 && local != null) {
-                    cached = new Cached(local.limits, now, now.plusSeconds(60), local.etag);
-                    return local.limits;
+                    cached = new Cached(local.settings, now, now.plusSeconds(60), local.etag);
+                    return local.settings;
                 }
                 if (response.statusCode() != 200) throw new IllegalStateException("settings_http_" + response.statusCode());
                 int max = integer(response.body(), "max_send_attempts_per_24h");
                 int minimum = integer(response.body(), "min_seconds_between_attempts");
                 int maxVerify = integer(response.body(), "max_verify_attempts");
+                int codeLength = integer(response.body(), "code_length");
+                int otpTtl = integer(response.body(), "ttl_seconds");
+                int orderTimeout = integer(response.body(), "sms_order_timeout_ms");
                 int ttl = integer(response.body(), "cache_ttl_seconds");
                 String version = string(response.body(), "version");
                 if (max < 1 || max > 100 || minimum < 0 || minimum > 86400
-                        || maxVerify < 1 || maxVerify > 10 || ttl < 1 || ttl > 3600) {
+                        || maxVerify < 1 || maxVerify > 10
+                        || codeLength < 4 || codeLength > 10
+                        || otpTtl < 60 || otpTtl > 900 || otpTtl % 60 != 0
+                        || orderTimeout < 100 || orderTimeout > 30000
+                        || ttl < 1 || ttl > 3600) {
                     throw new IllegalStateException("settings_invalid_range");
                 }
-                Limits limits = new Limits(max, minimum, maxVerify, version);
-                cached = new Cached(limits, now, now.plusSeconds(ttl),
+                Settings settings = new Settings(
+                        max, minimum, maxVerify, codeLength, otpTtl, orderTimeout, version);
+                cached = new Cached(settings, now, now.plusSeconds(ttl),
                         response.headers().firstValue("ETag").orElse(null));
-                return limits;
+                return settings;
             } catch (Exception exception) {
                 if (local != null && now.isBefore(local.fetchedAt.plus(Config.SETTINGS_MAX_STALE))) {
                     LOG.warn("OTP settings refresh failed; using bounded last-known-good");
-                    return local.limits;
+                    return local.settings;
                 }
                 throw new IllegalStateException("OTP settings unavailable; send denied", exception);
             }

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/SmsOrderClient.java

@@ -0,0 +1,109 @@
+package ru.han.chat.keycloak;
+
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.net.URI;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.UUID;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+final class SmsOrderClient {
+    private static final Pattern MESSAGE_ID =
+            Pattern.compile("\"sms_message_id\"\\s*:\\s*\"([^\"]+)\"");
+    private static final Pattern ORDERED_AT =
+            Pattern.compile("\"ordered_at\"\\s*:\\s*\"([^\"]+)\"");
+    private final HttpClient client;
+    private final URI serviceUrl;
+    private final String serviceToken;
+
+    SmsOrderClient() {
+        this(HttpClient.newBuilder()
+                        .version(HttpClient.Version.HTTP_1_1)
+                        .connectTimeout(Duration.ofSeconds(2))
+                        .build(),
+                Config.SMS_SERVICE_URL, Config.SMS_SERVICE_TOKEN);
+    }
+
+    SmsOrderClient(HttpClient client, URI serviceUrl, String serviceToken) {
+        this.client = client;
+        this.serviceUrl = serviceUrl;
+        this.serviceToken = serviceToken;
+    }
+
+    OrderResult order(
+            String challengeId,
+            String phone,
+            String otp,
+            SettingsBridge.Settings settings,
+            String requestId,
+            String traceparent) {
+        String body = requestBody(challengeId, phone, otp, settings);
+        HttpRequest.Builder builder = HttpRequest.newBuilder(serviceUrl)
+                .timeout(Duration.ofMillis(settings.smsOrderTimeoutMs()))
+                .header("Authorization", "Bearer " + serviceToken)
+                .header("Content-Type", "application/json")
+                .header("Accept", "application/json")
+                .header("X-Request-ID", requestId == null ? challengeId : requestId)
+                .POST(HttpRequest.BodyPublishers.ofString(body));
+        if (traceparent != null && !traceparent.isBlank()) builder.header("traceparent", traceparent);
+        HttpRequest request = builder.build();
+
+        for (int attempt = 0; attempt < 2; attempt++) {
+            try {
+                HttpResponse<String> response =
+                        client.send(request, HttpResponse.BodyHandlers.ofString());
+                if (response.statusCode() == 200 || response.statusCode() == 202) {
+                    return parse(response.body());
+                }
+                if (response.statusCode() < 500 || attempt == 1) {
+                    throw new SmsOrderException("sms_order_http_" + response.statusCode());
+                }
+            } catch (java.net.http.HttpTimeoutException exception) {
+                if (attempt == 1) throw new SmsOrderException("sms_order_timeout", exception);
+            } catch (java.io.IOException exception) {
+                if (attempt == 1) throw new SmsOrderException("sms_order_io", exception);
+            } catch (InterruptedException exception) {
+                Thread.currentThread().interrupt();
+                throw new SmsOrderException("sms_order_interrupted", exception);
+            }
+        }
+        throw new SmsOrderException("sms_order_unavailable");
+    }
+
+    static OrderResult parse(String json) {
+        Matcher idMatcher = MESSAGE_ID.matcher(json);
+        Matcher orderedMatcher = ORDERED_AT.matcher(json);
+        if (!idMatcher.find() || !orderedMatcher.find()) {
+            throw new SmsOrderException("sms_order_invalid_response");
+        }
+        try {
+            return new OrderResult(UUID.fromString(idMatcher.group(1)), Instant.parse(orderedMatcher.group(1)));
+        } catch (RuntimeException exception) {
+            throw new SmsOrderException("sms_order_invalid_response", exception);
+        }
+    }
+
+    static String requestBody(
+            String challengeId, String phone, String otp, SettingsBridge.Settings settings) {
+        return ("{\"idempotency_key\":\"keycloak:challenge:%s\","
+                + "\"template_code\":\"auth_otp\",\"locale\":\"ru\","
+                + "\"phone_e164\":\"%s\",\"substitutions\":{\"code\":\"%s\",\"ttl_min\":\"%d\"},"
+                + "\"customer_ref\":\"%s\",\"message_ttl_sec\":%d}").formatted(
+                escape(challengeId), escape(phone), escape(otp), settings.ttlSeconds() / 60,
+                escape(challengeId), settings.ttlSeconds());
+    }
+
+    private static String escape(String value) {
+        return value.replace("\\", "\\\\").replace("\"", "\\\"");
+    }
+
+    record OrderResult(UUID smsMessageId, Instant orderedAt) {}
+
+    static final class SmsOrderException extends RuntimeException {
+        SmsOrderException(String message) { super(message); }
+        SmsOrderException(String message, Throwable cause) { super(message, cause); }
+    }
+}

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/entity/OtpChallengeEntity.java

@@ -6,6 +6,7 @@ import jakarta.persistence.Id;
 import jakarta.persistence.Table;
 import jakarta.persistence.Version;
 import java.time.Instant;
+import java.util.UUID;
 
 @Entity
 @Table(name = "han_otp_challenge")
@@ -20,7 +21,13 @@ public class OtpChallengeEntity {
     @Column(name = "verify_attempts", nullable = false) public int verifyAttempts;
     @Column(name = "max_verify_attempts", nullable = false) public int maxVerifyAttempts;
     @Column(name = "settings_version", nullable = false, length = 128) public String settingsVersion;
-    @Column(name = "provider_id", nullable = false, length = 128) public String providerId;
-    @Column(name = "provider_status", nullable = false, length = 32) public String providerStatus;
+    @Column(name = "provider_id", length = 128) public String providerId;
+    @Column(name = "provider_status", length = 32) public String providerStatus;
+    @Column(name = "sms_message_id") public UUID smsMessageId;
+    @Column(name = "delivery_mode", nullable = false, length = 16) public String deliveryMode;
+    @Column(name = "challenge_status", nullable = false, length = 16) public String challengeStatus;
+    @Column(name = "ordered_at") public Instant orderedAt;
+    @Column(name = "otp_ttl_sec", nullable = false) public int otpTtlSec;
+    @Column(name = "otp_code_length", nullable = false) public int otpCodeLength;
     @Version public long version;
 }

codebase/backend/keycloak/src/main/java/ru/han/chat/keycloak/entity/OtpSecurityEventEntity.java

@@ -5,6 +5,8 @@ import jakarta.persistence.Entity;
 import jakarta.persistence.Id;
 import jakarta.persistence.Table;
 import java.time.Instant;
+import java.util.UUID;
+import org.hibernate.annotations.ColumnTransformer;
 
 @Entity
 @Table(name = "han_otp_security_event")
@@ -16,4 +18,15 @@ public class OtpSecurityEventEntity {
     @Column(name = "challenge_id", length = 32) public String challengeId;
     @Column(name = "outcome", nullable = false, length = 32) public String outcome;
     @Column(name = "details", length = 256) public String details;
+    @Column(name = "sms_message_id") public UUID smsMessageId;
+    @Column(name = "client_ip", columnDefinition = "inet")
+    @ColumnTransformer(write = "cast(? as inet)")
+    public String clientIp;
+    @Column(name = "user_agent") public String userAgent;
+    @Column(name = "device_id", length = 256) public String deviceId;
+    @Column(name = "fingerprint", length = 256) public String fingerprint;
+    @Column(name = "os_name", length = 64) public String osName;
+    @Column(name = "os_version", length = 64) public String osVersion;
+    @Column(name = "platform", length = 16) public String platform;
+    @Column(name = "app_version", length = 64) public String appVersion;
 }

codebase/backend/keycloak/src/main/resources/META-INF/han-otp-changelog.xml

@@ -50,4 +50,65 @@
       <column name="occurred_at"/>
     </createIndex>
   </changeSet>
+
+  <changeSet id="han-otp-1.1.0-sms-lifecycle" author="han-chat">
+    <addColumn tableName="han_otp_challenge">
+      <column name="sms_message_id" type="uuid"/>
+      <column name="delivery_mode" type="varchar(16)"/>
+      <column name="challenge_status" type="varchar(16)"/>
+      <column name="ordered_at" type="timestamp with time zone"/>
+      <column name="otp_ttl_sec" type="int"/>
+      <column name="otp_code_length" type="smallint"/>
+    </addColumn>
+    <sql>
+      UPDATE han_otp_challenge
+      SET delivery_mode = 'mock',
+          challenge_status = CASE WHEN consumed_at IS NOT NULL THEN 'consumed' ELSE 'expired' END,
+          ordered_at = created_at,
+          otp_ttl_sec = 60,
+          otp_code_length = 6;
+      ALTER TABLE han_otp_challenge ALTER COLUMN delivery_mode SET NOT NULL;
+      ALTER TABLE han_otp_challenge ALTER COLUMN challenge_status SET NOT NULL;
+      ALTER TABLE han_otp_challenge ALTER COLUMN otp_ttl_sec SET NOT NULL;
+      ALTER TABLE han_otp_challenge ALTER COLUMN otp_code_length SET NOT NULL;
+      ALTER TABLE han_otp_challenge ALTER COLUMN provider_id DROP NOT NULL;
+      ALTER TABLE han_otp_challenge ALTER COLUMN provider_status DROP NOT NULL;
+      ALTER TABLE han_otp_challenge ADD CONSTRAINT ck_han_otp_delivery_mode
+        CHECK (delivery_mode IN ('mock', 'sms'));
+      ALTER TABLE han_otp_challenge ADD CONSTRAINT ck_han_otp_challenge_status
+        CHECK (challenge_status IN
+          ('ordering', 'active', 'consumed', 'superseded', 'expired', 'limited', 'order_failed'));
+      ALTER TABLE han_otp_challenge ADD CONSTRAINT ck_han_otp_ttl
+        CHECK (otp_ttl_sec BETWEEN 60 AND 900 AND otp_ttl_sec % 60 = 0);
+      ALTER TABLE han_otp_challenge ADD CONSTRAINT ck_han_otp_code_length
+        CHECK (otp_code_length BETWEEN 4 AND 10);
+      ALTER TABLE han_otp_challenge ADD CONSTRAINT ck_han_otp_active_sms
+        CHECK (challenge_status != 'active' OR delivery_mode != 'sms' OR sms_message_id IS NOT NULL);
+    </sql>
+    <createIndex tableName="han_otp_challenge" indexName="ix_han_otp_challenge_status_expiry">
+      <column name="challenge_status"/><column name="expires_at"/>
+    </createIndex>
+    <sql>
+      CREATE INDEX ix_han_otp_challenge_sms_message
+        ON han_otp_challenge (sms_message_id) WHERE sms_message_id IS NOT NULL;
+    </sql>
+
+    <addColumn tableName="han_otp_security_event">
+      <column name="sms_message_id" type="uuid"/>
+      <column name="client_ip" type="inet"/>
+      <column name="user_agent" type="text"/>
+      <column name="device_id" type="varchar(256)"/>
+      <column name="fingerprint" type="varchar(256)"/>
+      <column name="os_name" type="varchar(64)"/>
+      <column name="os_version" type="varchar(64)"/>
+      <column name="platform" type="varchar(16)"/>
+      <column name="app_version" type="varchar(64)"/>
+    </addColumn>
+    <sql>
+      ALTER TABLE han_otp_security_event ADD CONSTRAINT ck_han_otp_event_platform
+        CHECK (platform IS NULL OR platform IN ('web', 'ios', 'android'));
+      CREATE INDEX ix_han_otp_event_sms_message
+        ON han_otp_security_event (sms_message_id) WHERE sms_message_id IS NOT NULL;
+    </sql>
+  </changeSet>
 </databaseChangeLog>

codebase/backend/keycloak/src/test/java/ru/han/chat/keycloak/CryptoTest.java

@@ -2,6 +2,7 @@ package ru.han.chat.keycloak;
 
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import org.junit.jupiter.api.Test;
 
@@ -19,4 +20,12 @@ class CryptoTest {
         assertTrue(Crypto.constantTimeEquals("same-value", "same-value"));
         assertFalse(Crypto.constantTimeEquals("same-value", "same-valuf"));
     }
+
+    @Test
+    void randomOtpIsNumericAndUsesRequestedLength() {
+        String code = Crypto.randomNumericCode(8);
+        assertTrue(code.matches("\\d{8}"));
+        assertThrows(IllegalArgumentException.class, () -> Crypto.randomNumericCode(3));
+        assertThrows(IllegalArgumentException.class, () -> Crypto.randomNumericCode(11));
+    }
 }

codebase/backend/keycloak/src/test/java/ru/han/chat/keycloak/SmsLifecycleContractTest.java

@@ -0,0 +1,41 @@
+package ru.han.chat.keycloak;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import org.junit.jupiter.api.Test;
+
+class SmsLifecycleContractTest {
+    @Test
+    void migrationContainsLifecycleSnapshotAndAuditColumns() throws Exception {
+        String migration = Files.readString(
+                Path.of("src/main/resources/META-INF/han-otp-changelog.xml"));
+        for (String required : new String[] {
+                "sms_message_id", "delivery_mode", "challenge_status", "ordered_at",
+                "otp_ttl_sec", "otp_code_length", "client_ip", "user_agent",
+                "device_id", "fingerprint", "os_name", "os_version", "platform", "app_version",
+                "'ordering', 'active', 'consumed', 'superseded', 'expired', 'limited', 'order_failed'"
+        }) {
+            assertTrue(migration.contains(required), "Missing migration contract: " + required);
+        }
+        assertTrue(migration.contains("delivery_mode = 'mock'"));
+        assertTrue(migration.contains(
+                "CASE WHEN consumed_at IS NOT NULL THEN 'consumed' ELSE 'expired' END"));
+    }
+
+    @Test
+    void otpThemeUsesSnapshotLengthExpiryAndRealResendAction() throws Exception {
+        String template = Files.readString(Path.of("themes/han-phone/login/otp.ftl"));
+        String script = Files.readString(Path.of("themes/han-phone/login/resources/js/han-login.js"));
+
+        assertTrue(template.contains("otpCodeLength"));
+        assertTrue(template.contains("otpExpiresAt"));
+        assertTrue(template.contains("(otpExpiresAt!0)?c"));
+        assertTrue(template.contains("name=\"otp_action\" value=\"resend\""));
+        assertTrue(template.contains("han_device_id"));
+        assertTrue(script.contains("han_device_id"));
+        assertTrue(script.contains("expiresAt - Date.now()"));
+        assertTrue(script.contains("Number.isFinite(expiresAt)"));
+    }
+}

codebase/backend/keycloak/src/test/java/ru/han/chat/keycloak/SmsOrderClientTest.java

@@ -0,0 +1,75 @@
+package ru.han.chat.keycloak;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.time.Instant;
+import java.net.InetSocketAddress;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.nio.charset.StandardCharsets;
+import java.util.UUID;
+import java.util.concurrent.atomic.AtomicInteger;
+import com.sun.net.httpserver.HttpServer;
+import org.junit.jupiter.api.Test;
+
+class SmsOrderClientTest {
+    private static final SettingsBridge.Settings SETTINGS =
+            new SettingsBridge.Settings(3, 30, 5, 6, 120, 3000, "v1");
+
+    @Test
+    void requestUsesStableIdempotencyAndSnapshot() {
+        String body = SmsOrderClient.requestBody(
+                "challenge-1", "+79001234567", "482193", SETTINGS);
+
+        assertTrue(body.contains("\"idempotency_key\":\"keycloak:challenge:challenge-1\""));
+        assertTrue(body.contains("\"template_code\":\"auth_otp\""));
+        assertTrue(body.contains("\"code\":\"482193\""));
+        assertTrue(body.contains("\"ttl_min\":\"2\""));
+        assertTrue(body.contains("\"message_ttl_sec\":120"));
+        assertFalse(body.contains("Authorization"));
+    }
+
+    @Test
+    void parsesOnlyUuidAndIsoOrderedTimestamp() {
+        UUID id = UUID.randomUUID();
+        SmsOrderClient.OrderResult result = SmsOrderClient.parse(
+                "{\"sms_message_id\":\"" + id + "\",\"ordered_at\":\"2026-07-22T13:00:00Z\"}");
+        assertEquals(id, result.smsMessageId());
+        assertEquals(Instant.parse("2026-07-22T13:00:00Z"), result.orderedAt());
+        assertThrows(SmsOrderClient.SmsOrderException.class,
+                () -> SmsOrderClient.parse("{\"sms_message_id\":\"not-a-uuid\"}"));
+    }
+
+    @Test
+    void retriesServerFailureWithSameOrder() throws Exception {
+        HttpServer server = HttpServer.create(new InetSocketAddress(0), 0);
+        AtomicInteger calls = new AtomicInteger();
+        UUID messageId = UUID.randomUUID();
+        server.createContext("/internal/sms/v1/send", exchange -> {
+            assertEquals("Bearer test-token", exchange.getRequestHeaders().getFirst("Authorization"));
+            int call = calls.incrementAndGet();
+            byte[] response = (call == 1 ? "{}" :
+                    "{\"sms_message_id\":\"" + messageId
+                            + "\",\"ordered_at\":\"2026-07-22T13:00:00Z\"}")
+                    .getBytes(StandardCharsets.UTF_8);
+            exchange.sendResponseHeaders(call == 1 ? 503 : 202, response.length);
+            exchange.getResponseBody().write(response);
+            exchange.close();
+        });
+        server.start();
+        try {
+            URI uri = URI.create("http://127.0.0.1:" + server.getAddress().getPort()
+                    + "/internal/sms/v1/send");
+            SmsOrderClient client = new SmsOrderClient(HttpClient.newHttpClient(), uri, "test-token");
+            SmsOrderClient.OrderResult result =
+                    client.order("challenge-1", "+79001234567", "482193", SETTINGS, "request-1", null);
+            assertEquals(messageId, result.smsMessageId());
+            assertEquals(2, calls.get());
+        } finally {
+            server.stop(0);
+        }
+    }
+}

codebase/backend/keycloak/themes/han-phone/login/messages/messages_ru.properties

@@ -20,5 +20,6 @@ verifyOtp=Подтвердить
 mockMode=Тестовый режим отправки кода
 phoneInvalid=Проверьте формат номера телефона.
 otpInvalid=Код неверен, истёк или уже использован.
+otpCooldown=Повторно отправить СМС можно после обнуления таймера.
 otpLimited=Слишком много попыток. Повторите позже.
 otpUnavailable=Сервис подтверждения временно недоступен. Повторите позже.

codebase/backend/keycloak/themes/han-phone/login/otp.ftl

@@ -16,8 +16,15 @@
 
       <form id="kc-otp-form" action="${url.loginAction}" method="post">
         <input id="otp" name="otp" type="hidden" value=""/>
-        <div id="han-otp-inputs" class="han-otp-inputs <#if message?has_content>han-shake</#if>">
-          <#list 0..5 as index>
+        <input type="hidden" name="han_device_id" class="han-device-id" value="${hanDeviceId!""}"/>
+        <input type="hidden" name="han_fingerprint" class="han-fingerprint" value="${hanFingerprint!""}"/>
+        <input type="hidden" name="han_platform" value="${hanPlatform!"web"}"/>
+        <input type="hidden" name="han_os_name" class="han-os-name" value="${hanOsName!""}"/>
+        <input type="hidden" name="han_os_version" class="han-os-version" value="${hanOsVersion!""}"/>
+        <input type="hidden" name="han_app_version" class="han-app-version" value="${hanAppVersion!""}"/>
+        <div id="han-otp-inputs" class="han-otp-inputs <#if message?has_content>han-shake</#if>"
+             style="grid-template-columns: repeat(${otpCodeLength!6}, minmax(0, 1fr));">
+          <#list 0..((otpCodeLength!6) - 1) as index>
             <input class="han-otp-digit" type="text" inputmode="numeric" maxlength="1"
                    aria-label="${msg("otpDigit", index + 1)}"
                    <#if index == 0>autocomplete="one-time-code" autofocus</#if>
@@ -33,8 +40,10 @@
         </#if>
 
         <div class="han-resend">
-          <p id="han-resend-countdown">${msg("otpResendCountdown")} <strong>0:59</strong></p>
-          <button id="han-resend-button" type="button" hidden onclick="window.history.back()">
+          <p id="han-resend-countdown" data-expires-at="${(otpExpiresAt!0)?c}">
+            ${msg("otpResendCountdown")} <strong>—</strong>
+          </p>
+          <button id="han-resend-button" type="submit" name="otp_action" value="resend" hidden>
             <span aria-hidden="true">↻</span>
             <span>${msg("otpResend")}</span>
           </button>
@@ -45,6 +54,6 @@
         </button>
       </form>
     </div>
-    <script src="${url.resourcesPath}/js/han-login.js?v=3"></script>
+    <script src="${url.resourcesPath}/js/han-login.js?v=4"></script>
   </#if>
 </@layout.registrationLayout>

codebase/backend/keycloak/themes/han-phone/login/phone.ftl

@@ -17,6 +17,12 @@
         </div>
 
         <form id="kc-phone-form" action="${url.loginAction}" method="post">
+          <input type="hidden" name="han_device_id" class="han-device-id" value="${hanDeviceId!""}"/>
+          <input type="hidden" name="han_fingerprint" class="han-fingerprint" value="${hanFingerprint!""}"/>
+          <input type="hidden" name="han_platform" value="${hanPlatform!"web"}"/>
+          <input type="hidden" name="han_os_name" class="han-os-name" value="${hanOsName!""}"/>
+          <input type="hidden" name="han_os_version" class="han-os-version" value="${hanOsVersion!""}"/>
+          <input type="hidden" name="han_app_version" class="han-app-version" value="${hanAppVersion!""}"/>
           <div class="han-field">
             <label for="phone">${msg("phoneLabel")}</label>
             <input id="phone" name="phone" type="tel" inputmode="numeric" autocomplete="tel"
@@ -46,6 +52,6 @@
         <span>${msg("privacyPolicy")}</span>
       </p>
     </div>
-    <script src="${url.resourcesPath}/js/han-login.js?v=3"></script>
+    <script src="${url.resourcesPath}/js/han-login.js?v=4"></script>
   </#if>
 </@layout.registrationLayout>

codebase/backend/keycloak/themes/han-phone/login/resources/js/han-login.js

@@ -1,4 +1,30 @@
 (function () {
+  function randomId() {
+    if (window.crypto && window.crypto.randomUUID) return window.crypto.randomUUID();
+    return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function (char) {
+      var value = Math.random() * 16 | 0;
+      return (char === "x" ? value : (value & 3 | 8)).toString(16);
+    });
+  }
+
+  function initDeviceMetadata() {
+    var deviceId = window.localStorage.getItem("han_device_id") || randomId();
+    var fingerprint = window.localStorage.getItem("han_fingerprint") || randomId();
+    window.localStorage.setItem("han_device_id", deviceId);
+    window.localStorage.setItem("han_fingerprint", fingerprint);
+    document.querySelectorAll(".han-device-id").forEach(function (input) {
+      if (!input.value) input.value = deviceId;
+    });
+    document.querySelectorAll(".han-fingerprint").forEach(function (input) {
+      if (!input.value) input.value = fingerprint;
+    });
+    document.querySelectorAll(".han-os-name").forEach(function (input) {
+      if (!input.value) {
+        input.value = (navigator.userAgentData && navigator.userAgentData.platform) || navigator.platform || "";
+      }
+    });
+  }
+
   function initPhoneForm() {
     var input = document.getElementById("phone");
     var submit = document.getElementById("han-phone-submit");
@@ -81,23 +107,31 @@
 
     syncOtp();
 
-    var seconds = 59;
     var countdown = document.getElementById("han-resend-countdown");
     var countdownValue = countdown && countdown.querySelector("strong");
     var resend = document.getElementById("han-resend-button");
     if (!countdown || !countdownValue || !resend) return;
 
-    var timer = window.setInterval(function () {
-      seconds -= 1;
-      countdownValue.textContent = "0:" + String(seconds).padStart(2, "0");
+    var expiresAt = Number(countdown.getAttribute("data-expires-at"));
+    if (!Number.isFinite(expiresAt)) expiresAt = Date.now();
+    var timer;
+    function updateCountdown() {
+      var seconds = Math.max(0, Math.ceil((expiresAt - Date.now()) / 1000));
+      countdownValue.textContent = Math.floor(seconds / 60) + ":" + String(seconds % 60).padStart(2, "0");
       if (seconds <= 0) {
-        window.clearInterval(timer);
+        if (timer) window.clearInterval(timer);
         countdown.hidden = true;
         resend.hidden = false;
       }
-    }, 1000);
+    }
+    updateCountdown();
+    if (expiresAt > Date.now()) timer = window.setInterval(updateCountdown, 1000);
+    resend.addEventListener("click", function () {
+      window.setTimeout(function () { resend.disabled = true; }, 0);
+    });
   }
 
+  initDeviceMetadata();
   initPhoneForm();
   initOtpForm();
 })();

codebase/backend/nginx/docker-compose.yml

@@ -12,11 +12,12 @@ services:
       NGINX_HSTS_MAX_AGE: ${NGINX_HSTS_MAX_AGE:-0}
       NGINX_CLIENT_MAX_BODY_SIZE: ${NGINX_CLIENT_MAX_BODY_SIZE:-8m}
       NGINX_RATE_LIMIT_API: ${NGINX_RATE_LIMIT_API:-60r/m}
-      NGINX_RATE_LIMIT_AUTH: ${NGINX_RATE_LIMIT_AUTH:-10r/m}
+      NGINX_RATE_LIMIT_AUTH: ${NGINX_RATE_LIMIT_AUTH:-60r/m}
       NGINX_RATE_LIMIT_PUBLIC: ${NGINX_RATE_LIMIT_PUBLIC:-60r/m}
       NGINX_RATE_LIMIT_POLLING: ${NGINX_RATE_LIMIT_POLLING:-60r/m}
       NGINX_RATE_LIMIT_DOWNLOADS: ${NGINX_RATE_LIMIT_DOWNLOADS:-30r/m}
       NGINX_RATE_LIMIT_BITRIX: ${NGINX_RATE_LIMIT_BITRIX:-120r/m}
+      NGINX_RATE_LIMIT_SMS_CALLBACK: ${NGINX_RATE_LIMIT_SMS_CALLBACK:-120r/m}
       NGINX_RATE_LIMIT_WS: ${NGINX_RATE_LIMIT_WS:-30r/m}
       NGINX_MESSAGE_READ_TIMEOUT_SEC: ${NGINX_MESSAGE_READ_TIMEOUT_SEC:-330}
       FRONTEND_DEV_PROXY_ENABLED: ${FRONTEND_DEV_PROXY_ENABLED:-false}
@@ -37,6 +38,7 @@ services:
       frontend-static: {condition: service_completed_successfully}
       api-backend: {condition: service_healthy}
       keycloak: {condition: service_healthy}
+      sms-service: {condition: service_healthy}
       bitrix-local-app: {condition: service_healthy}
       bitrix-sync: {condition: service_healthy}
     healthcheck:

codebase/backend/nginx/nginx.conf.template

@@ -50,6 +50,7 @@ http {
     limit_req_zone $polling_key zone=polling:10m rate=${NGINX_RATE_LIMIT_POLLING};
     limit_req_zone $binary_remote_addr zone=downloads:10m rate=${NGINX_RATE_LIMIT_DOWNLOADS};
     limit_req_zone $binary_remote_addr zone=bitrix_callbacks:10m rate=${NGINX_RATE_LIMIT_BITRIX};
+    limit_req_zone $binary_remote_addr zone=sms_callbacks:10m rate=${NGINX_RATE_LIMIT_SMS_CALLBACK};
     limit_req_zone $binary_remote_addr zone=ws_connect:10m rate=${NGINX_RATE_LIMIT_WS};
     limit_conn_zone $binary_remote_addr zone=connections:10m;
 
@@ -61,6 +62,7 @@ http {
 
     upstream api_backend { server api-backend:8000; keepalive 32; }
     upstream keycloak_upstream { server keycloak:8080; keepalive 16; }
+    upstream sms_service_upstream { server sms-service:8080; keepalive 8; }
     upstream bitrix_local { server bitrix-local-app:8080; keepalive 16; }
     upstream bitrix_sync_upstream { server bitrix-sync:8080; keepalive 8; }
     upstream frontend_dev { server ${EXPO_DEV_SERVER_HOSTPORT}; keepalive 8; }

codebase/backend/nginx/scripts/entrypoint.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 set -eu
 
-required="PUBLIC_HOST NGINX_RATE_LIMIT_API NGINX_RATE_LIMIT_AUTH NGINX_RATE_LIMIT_PUBLIC NGINX_RATE_LIMIT_POLLING NGINX_RATE_LIMIT_DOWNLOADS NGINX_RATE_LIMIT_BITRIX NGINX_RATE_LIMIT_WS NGINX_CLIENT_MAX_BODY_SIZE NGINX_MESSAGE_READ_TIMEOUT_SEC"
+required="PUBLIC_HOST NGINX_RATE_LIMIT_API NGINX_RATE_LIMIT_AUTH NGINX_RATE_LIMIT_PUBLIC NGINX_RATE_LIMIT_POLLING NGINX_RATE_LIMIT_DOWNLOADS NGINX_RATE_LIMIT_BITRIX NGINX_RATE_LIMIT_SMS_CALLBACK NGINX_RATE_LIMIT_WS NGINX_CLIENT_MAX_BODY_SIZE NGINX_MESSAGE_READ_TIMEOUT_SEC"
 for name in $required; do
   eval "value=\${$name:-}"
   if [ -z "$value" ]; then
@@ -24,7 +24,7 @@ if [ "${FRONTEND_DEV_PROXY_ENABLED:-false}" = "true" ] \
 fi
 
 umask 027
-common_vars='${NGINX_RATE_LIMIT_API} ${NGINX_RATE_LIMIT_AUTH} ${NGINX_RATE_LIMIT_PUBLIC} ${NGINX_RATE_LIMIT_POLLING} ${NGINX_RATE_LIMIT_DOWNLOADS} ${NGINX_RATE_LIMIT_BITRIX} ${NGINX_RATE_LIMIT_WS} ${NGINX_CLIENT_MAX_BODY_SIZE} ${EXPO_DEV_SERVER_HOSTPORT}'
+common_vars='${NGINX_RATE_LIMIT_API} ${NGINX_RATE_LIMIT_AUTH} ${NGINX_RATE_LIMIT_PUBLIC} ${NGINX_RATE_LIMIT_POLLING} ${NGINX_RATE_LIMIT_DOWNLOADS} ${NGINX_RATE_LIMIT_BITRIX} ${NGINX_RATE_LIMIT_SMS_CALLBACK} ${NGINX_RATE_LIMIT_WS} ${NGINX_CLIENT_MAX_BODY_SIZE} ${EXPO_DEV_SERVER_HOSTPORT}'
 site_vars='${PUBLIC_HOST} ${NGINX_TLS_CERTIFICATE} ${NGINX_TLS_CERTIFICATE_KEY} ${NGINX_MESSAGE_READ_TIMEOUT_SEC} ${BITRIX_FRAME_ANCESTORS}'
 security_vars='${NGINX_HSTS_MAX_AGE} ${S3_CONNECT_SRC}'
 

codebase/backend/nginx/templates/site-tls.conf.template

@@ -120,6 +120,20 @@ server {
         proxy_pass http://keycloak_upstream;
     }
 
+    location = /callbacks/idgtl/sms {
+        if ($request_method != POST) { return 405; }
+        allow 185.203.96.7;
+        deny all;
+        limit_req zone=sms_callbacks burst=30 nodelay;
+        client_max_body_size 256k;
+        proxy_buffering off;
+        proxy_cache off;
+        include /etc/nginx/snippets/proxy-common.conf;
+        proxy_read_timeout 15s;
+        proxy_pass http://sms_service_upstream;
+    }
+    location ^~ /callbacks/idgtl/ { return 404; }
+
     location = /bitrix/handler {
         limit_req zone=bitrix_callbacks burst=60 nodelay;
         include /etc/nginx/snippets/proxy-common.conf;

codebase/backend/scripts/validate-env

@@ -10,7 +10,7 @@ from urllib.parse import urlparse
 REQUIRED = {
     "APP_ENV", "RELEASE_VERSION", "HAN_PG_HOST", "DATABASE_URL",
     "BITRIX_DATABASE_URL", "BITRIX_SYNC_DATABASE_URL",
-    "MESSAGE_SAFETY_DATABASE_URL", "KEYCLOAK_DB_URL", "PUBLIC_HOST",
+    "MESSAGE_SAFETY_DATABASE_URL", "SMS_DATABASE_URL", "KEYCLOAK_DB_URL", "PUBLIC_HOST",
     "PUBLIC_WEB_URL", "PUBLIC_API_URL", "PUBLIC_AUTH_URL",
     "KEYCLOAK_PUBLIC_URL", "KEYCLOAK_INTERNAL_URL", "REDIS_URL",
     "REDIS_REALTIME_URL", "MESSAGE_SAFETY_REDIS_URL",
@@ -18,6 +18,9 @@ REQUIRED = {
     "BITRIX_INTERNAL_API_TOKEN", "BITRIX_API_FORWARD_TOKEN",
     "BITRIX_API_INBOX_TOKEN", "BITRIX_SYNC_SERVICE_TOKEN",
     "KEYCLOAK_SETTINGS_BRIDGE_TOKEN", "KEYCLOAK_OTP_HMAC_KEY",
+    "KEYCLOAK_SMS_SERVICE_URL", "KEYCLOAK_SMS_SERVICE_TOKEN", "SMS_SERVICE_TOKEN",
+    "IDGTL_SMS_BASE_URL", "IDGTL_SMS_API_KEY", "IDGTL_SMS_CALLBACK_PUBLIC_URL",
+    "IDGTL_SMS_CALLBACK_USERNAME", "IDGTL_SMS_CALLBACK_PASSWORD",
     "KEYCLOAK_ADMIN", "KEYCLOAK_ADMIN_PASSWORD", "CURSOR_HMAC_SECRET",
     "BITRIX_TOKEN_ENCRYPTION_KEY",
     "SELECTEL_S3_ENDPOINT_URL",
@@ -29,7 +32,10 @@ REQUIRED = {
 SECRET_KEYS = {
     key for key in REQUIRED
     if any(word in key for word in ("TOKEN", "PASSWORD", "SECRET_KEY", "ACCESS_KEY"))
-} | {"BITRIX_CLIENT_SECRET", "BITRIX_APPLICATION_TOKEN"}
+} | {
+    "BITRIX_CLIENT_SECRET", "BITRIX_APPLICATION_TOKEN",
+    "IDGTL_SMS_CALLBACK_USERNAME", "IDGTL_SMS_CALLBACK_PASSWORD",
+}
 PLACEHOLDER = re.compile(r"(change-me|example\.(com|ru|invalid)|<[^>]+>)", re.I)
 
 
@@ -64,16 +70,25 @@ def main() -> int:
         value = env.get(key, "")
         if value and (len(value) < 16 or PLACEHOLDER.search(value)):
             errors.append(f"{key}: секрет должен быть непустым, уникальным и длиной >=16")
+    for key in ("SMS_SERVICE_TOKEN", "KEYCLOAK_SMS_SERVICE_TOKEN"):
+        if env.get(key) and len(env[key]) < 32:
+            errors.append(f"{key}: service token должен иметь длину >=32")
 
     production = env.get("APP_ENV") in {"production-like", "production"}
     if production and env.get("FRONTEND_DEV_PROXY_ENABLED", "").lower() != "false":
         errors.append("FRONTEND_DEV_PROXY_ENABLED: production-like/production требует false")
     if production and env.get("NGINX_TLS_ENABLED", "").lower() != "true":
         errors.append("NGINX_TLS_ENABLED: production-like/production требует true")
-    for key in ("PUBLIC_WEB_URL", "PUBLIC_API_URL", "PUBLIC_AUTH_URL", "KEYCLOAK_PUBLIC_URL"):
+    for key in (
+        "PUBLIC_WEB_URL", "PUBLIC_API_URL", "PUBLIC_AUTH_URL", "KEYCLOAK_PUBLIC_URL",
+        "IDGTL_SMS_BASE_URL", "IDGTL_SMS_CALLBACK_PUBLIC_URL",
+    ):
         if env.get(key) and urlparse(env[key]).scheme != "https":
             errors.append(f"{key}: публичный URL должен использовать https")
-    for key in ("KEYCLOAK_INTERNAL_URL", "MESSAGE_SAFETY_URL", "BITRIX_LOCAL_APP_BASE_URL"):
+    for key in (
+        "KEYCLOAK_INTERNAL_URL", "KEYCLOAK_SMS_SERVICE_URL",
+        "MESSAGE_SAFETY_URL", "BITRIX_LOCAL_APP_BASE_URL",
+    ):
         parsed = urlparse(env.get(key, ""))
         if parsed.scheme != "http" or "." in (parsed.hostname or ""):
             errors.append(f"{key}: ожидается http URL с Docker DNS service name")
@@ -96,14 +111,20 @@ def main() -> int:
             errors.append(f"{key}: ACL user/password/host/DB не согласованы с {password_key}")
     for key in (
         "DATABASE_URL", "BITRIX_DATABASE_URL", "BITRIX_SYNC_DATABASE_URL",
-        "MESSAGE_SAFETY_DATABASE_URL", "KEYCLOAK_DB_URL",
+        "MESSAGE_SAFETY_DATABASE_URL", "SMS_DATABASE_URL", "KEYCLOAK_DB_URL",
     ):
         value = env.get(key, "")
         if "sslmode=verify-full" not in value or "sslrootcert=" not in value:
             errors.append(f"{key}: требуется sslmode=verify-full и sslrootcert")
+        if re.search(r"(?:[?&](?:options|currentSchema)=)", value, re.I):
+            errors.append(
+                f"{key}: options/currentSchema запрещены через PgBouncer; "
+                "используйте database-level search_path роли"
+            )
     pairs = (
         ("BITRIX_LOCAL_APP_INTERNAL_TOKEN", "BITRIX_INTERNAL_API_TOKEN"),
         ("BITRIX_API_FORWARD_TOKEN", "BITRIX_API_INBOX_TOKEN"),
+        ("KEYCLOAK_SMS_SERVICE_TOKEN", "SMS_SERVICE_TOKEN"),
     )
     for left, right in pairs:
         if env.get(left) != env.get(right):
@@ -121,6 +142,16 @@ def main() -> int:
     if production and env.get("KEYCLOAK_OTP_MOCK_ENABLED", "").lower() == "true":
         if env.get("KEYCLOAK_OTP_MOCK_RISK_ACCEPTED", "").lower() != "true":
             errors.append("KEYCLOAK_OTP_MOCK_RISK_ACCEPTED=true обязателен для mock OTP")
+    real_sms = env.get("KEYCLOAK_OTP_MOCK_ENABLED", "").lower() == "false"
+    if production and real_sms and (
+        env.get("IDGTL_SMS_BASE_URL", "").rstrip("/") != "https://direct.i-dgtl.ru"
+    ):
+        errors.append("IDGTL_SMS_BASE_URL: production contract требует https://direct.i-dgtl.ru")
+    expected_callback = f"https://{env.get('PUBLIC_HOST', '')}/callbacks/idgtl/sms"
+    if production and env.get("IDGTL_SMS_CALLBACK_PUBLIC_URL") != expected_callback:
+        errors.append(
+            "IDGTL_SMS_CALLBACK_PUBLIC_URL должен совпадать с публичным host и callback path"
+        )
     if env.get("HAN_PG_HOST") in {"localhost", "127.0.0.1", "postgres", "db"}:
         errors.append("HAN_PG_HOST: PostgreSQL должен быть внешним managed endpoint")
 

codebase/backend/sms-service/Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.12-slim AS builder
+WORKDIR /build
+RUN pip install --no-cache-dir --upgrade pip build
+COPY pyproject.toml ./
+COPY app ./app
+RUN python -m build --wheel
+
+FROM python:3.12-slim
+ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1
+RUN addgroup --system --gid 10001 han && adduser --system --uid 10001 --ingroup han han
+WORKDIR /app
+COPY --from=builder /build/dist/*.whl /tmp/
+RUN pip install --no-cache-dir /tmp/*.whl && rm -f /tmp/*.whl
+COPY alembic.ini ./
+COPY migrations ./migrations
+USER 10001:10001
+EXPOSE 8080
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8080", "--no-proxy-headers"]

codebase/backend/sms-service/alembic.ini

@@ -0,0 +1,38 @@
+[alembic]
+script_location = migrations
+prepend_sys_path = .
+version_table_schema = sms
+
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

codebase/backend/sms-service/app/__init__.py

@@ -0,0 +1 @@
+"""HAN SMS service."""

codebase/backend/sms-service/app/db.py

@@ -0,0 +1,253 @@
+from __future__ import annotations
+
+import uuid
+from collections.abc import AsyncIterator
+from datetime import datetime
+from decimal import Decimal
+from enum import StrEnum
+
+import asyncpg
+from sqlalchemy import (
+    Boolean,
+    DateTime,
+    Enum,
+    ForeignKey,
+    Index,
+    Integer,
+    Numeric,
+    SmallInteger,
+    String,
+    Text,
+    UniqueConstraint,
+    func,
+    text,
+)
+from sqlalchemy.dialects.postgresql import JSONB, UUID
+from sqlalchemy.ext.asyncio import (
+    AsyncEngine,
+    AsyncSession,
+    async_sessionmaker,
+    create_async_engine,
+)
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
+
+SCHEMA = "sms"
+
+
+class Channel(StrEnum):
+    SMS = "SMS"
+
+
+class SendStatus(StrEnum):
+    PENDING = "pending"
+    ACCEPTED = "accepted"
+    REJECTED = "rejected"
+    FAILED = "failed"
+    UNCERTAIN = "uncertain"
+    SKIPPED = "skipped"
+
+
+class DeliveryStatus(StrEnum):
+    UNKNOWN = "unknown"
+    SENT = "sent"
+    DELIVERED = "delivered"
+    UNDELIVERED = "undelivered"
+    UNSENT = "unsent"
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+class SmsTemplate(Base):
+    __tablename__ = "sms_template"
+    __table_args__ = (
+        UniqueConstraint("code", "channel", "locale", "version", name="uq_template_version"),
+        Index(
+            "uq_template_active",
+            "code",
+            "channel",
+            "locale",
+            unique=True,
+            postgresql_where=text("is_active"),
+        ),
+        {"schema": SCHEMA},
+    )
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True)
+    code: Mapped[str] = mapped_column(String(64), nullable=False)
+    channel: Mapped[Channel] = mapped_column(
+        Enum(
+            Channel,
+            name="sms_channel",
+            schema=SCHEMA,
+            values_callable=lambda x: [e.value for e in x],
+        )
+    )
+    locale: Mapped[str] = mapped_column(String(16), nullable=False)
+    version: Mapped[int] = mapped_column(Integer, nullable=False)
+    body_template: Mapped[str] = mapped_column(Text, nullable=False)
+    placeholders: Mapped[list[str]] = mapped_column(JSONB, nullable=False)
+    sender_name: Mapped[str | None] = mapped_column(String(64))
+    max_parts: Mapped[int] = mapped_column(SmallInteger, nullable=False)
+    is_active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
+    approved_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), nullable=False, server_default=func.now()
+    )
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), nullable=False, server_default=func.now()
+    )
+    created_by: Mapped[str] = mapped_column(String(64), nullable=False)
+
+
+class SmsSetting(Base):
+    __tablename__ = "sms_setting"
+    __table_args__ = {"schema": SCHEMA}
+
+    setting_key: Mapped[str] = mapped_column(String(128), primary_key=True)
+    setting_value: Mapped[object] = mapped_column(JSONB, nullable=False)
+    value_type: Mapped[str] = mapped_column(String(16), nullable=False)
+    description: Mapped[str] = mapped_column(Text, nullable=False)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), nullable=False, server_default=func.now()
+    )
+
+
+class SmsOutboundMessage(Base):
+    __tablename__ = "sms_outbound_message"
+    __table_args__ = (
+        UniqueConstraint("requester_service", "idempotency_key", name="uq_outbound_idempotency"),
+        Index(
+            "uq_outbound_provider_message",
+            "provider",
+            "provider_message_id",
+            unique=True,
+            postgresql_where=text("provider_message_id IS NOT NULL"),
+        ),
+        Index("ix_outbound_phone_created", "phone_e164", text("created_at DESC")),
+        Index(
+            "ix_outbound_requester_process_created",
+            "requester_service",
+            "process",
+            text("created_at DESC"),
+        ),
+        Index("ix_outbound_customer_ref", "customer_ref"),
+        Index("ix_outbound_send_created", "send_status", "created_at"),
+        Index("ix_outbound_delivery_updated", "delivery_status", "updated_at"),
+        {"schema": SCHEMA},
+    )
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True)
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), nullable=False, server_default=func.now()
+    )
+    requested_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
+    accepted_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    sent_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    delivered_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), nullable=False, server_default=func.now()
+    )
+    requester_service: Mapped[str] = mapped_column(String(64), nullable=False)
+    process: Mapped[str] = mapped_column(String(64), nullable=False)
+    channel: Mapped[str] = mapped_column(String(16), nullable=False)
+    provider: Mapped[str] = mapped_column(String(32), nullable=False)
+    phone_e164: Mapped[str] = mapped_column(String(16), nullable=False)
+    phone_digits: Mapped[str] = mapped_column(String(15), nullable=False)
+    phone_masked: Mapped[str] = mapped_column(String(32), nullable=False)
+    template_id: Mapped[uuid.UUID] = mapped_column(
+        UUID(as_uuid=True), ForeignKey(f"{SCHEMA}.sms_template.id"), nullable=False
+    )
+    template_code: Mapped[str] = mapped_column(String(64), nullable=False)
+    body_rendered: Mapped[str] = mapped_column(Text, nullable=False)
+    substitutions: Mapped[dict[str, object]] = mapped_column(JSONB, nullable=False)
+    send_status: Mapped[SendStatus] = mapped_column(
+        Enum(
+            SendStatus,
+            name="sms_send_status",
+            schema=SCHEMA,
+            values_callable=lambda x: [e.value for e in x],
+        ),
+        nullable=False,
+    )
+    delivery_status: Mapped[DeliveryStatus] = mapped_column(
+        Enum(
+            DeliveryStatus,
+            name="sms_delivery_status",
+            schema=SCHEMA,
+            values_callable=lambda x: [e.value for e in x],
+        ),
+        nullable=False,
+    )
+    provider_message_id: Mapped[str | None] = mapped_column(String(128))
+    provider_external_id: Mapped[str | None] = mapped_column(String(128))
+    customer_ref: Mapped[str | None] = mapped_column(String(128))
+    idempotency_key: Mapped[str] = mapped_column(String(192), nullable=False)
+    request_fingerprint: Mapped[str] = mapped_column(String(64), nullable=False)
+    request_id: Mapped[str | None] = mapped_column(String(128))
+    traceparent: Mapped[str | None] = mapped_column(String(55))
+    provider_http_status: Mapped[int | None] = mapped_column(Integer)
+    provider_error_code: Mapped[str | None] = mapped_column(String(64))
+    provider_error_message: Mapped[str | None] = mapped_column(String(256))
+    sender_name: Mapped[str] = mapped_column(String(64), nullable=False)
+    message_ttl_sec: Mapped[int | None] = mapped_column(Integer)
+    attempt_count: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
+    last_attempt_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    next_attempt_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    worker_locked_until: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    parts: Mapped[int | None] = mapped_column(Integer)
+    price: Mapped[Decimal | None] = mapped_column(Numeric(14, 4))
+    currency: Mapped[str | None] = mapped_column(String(3))
+    callback_last_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+
+
+class SmsCallbackEvent(Base):
+    __tablename__ = "sms_callback_event"
+    __table_args__ = (
+        UniqueConstraint(
+            "message_uuid",
+            "callback_event",
+            "status",
+            "status_time",
+            name="uq_callback_event",
+        ),
+        {"schema": SCHEMA},
+    )
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True)
+    message_uuid: Mapped[str] = mapped_column(String(128), nullable=False)
+    callback_event: Mapped[str] = mapped_column(String(32), nullable=False)
+    status: Mapped[str] = mapped_column(String(32), nullable=False)
+    status_time: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
+    received_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), nullable=False, server_default=func.now()
+    )
+
+
+def asyncpg_dsn(url: str) -> str:
+    return url.replace("postgresql+asyncpg://", "postgresql://", 1)
+
+
+def create_postgres_engine(url: str) -> AsyncEngine:
+    dsn = asyncpg_dsn(url)
+
+    async def connect() -> asyncpg.Connection:
+        return await asyncpg.connect(dsn=dsn)
+
+    return create_async_engine(
+        "postgresql+asyncpg://", async_creator=connect, pool_pre_ping=True
+    )
+
+
+class Database:
+    def __init__(self, url: str) -> None:
+        self.engine = create_postgres_engine(url)
+        self.sessions = async_sessionmaker(self.engine, expire_on_commit=False)
+
+    async def session(self) -> AsyncIterator[AsyncSession]:
+        async with self.sessions() as session:
+            yield session
+
+    async def close(self) -> None:
+        await self.engine.dispose()

codebase/backend/sms-service/app/domain.py

@@ -0,0 +1,154 @@
+from __future__ import annotations
+
+import hashlib
+import hmac
+import json
+import re
+import string
+from dataclasses import dataclass
+from datetime import datetime
+from typing import Any
+
+import phonenumbers
+
+from app.db import DeliveryStatus, SendStatus
+
+GSM_BASIC = (
+    "@£$¥èéùìòÇ\nØø\rÅåΔ_ΦΓΛΩΠΨΣΘΞ "
+    "!\"#¤%&'()*+,-./0123456789:;<=>?"
+    "¡ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÑܧ¿abcdefghijklmnopqrstuvwxyzäöñüà"
+)
+GSM_EXTENDED = "^{}\\[~]|€"
+PHONE_RE = re.compile(r"^\+[1-9]\d{7,14}$")
+
+
+class DomainError(Exception):
+    def __init__(
+        self, code: str, status: int, message: str, details: dict[str, Any] | None = None
+    ) -> None:
+        self.code = code
+        self.status = status
+        self.message = message
+        self.details = details or {}
+        super().__init__(message)
+
+
+def normalize_phone(value: str) -> tuple[str, str, str]:
+    if not PHONE_RE.fullmatch(value):
+        raise DomainError("sms_request_invalid", 422, "phone_e164 must be valid E.164")
+    try:
+        parsed = phonenumbers.parse(value, None)
+    except phonenumbers.NumberParseException:
+        raise DomainError("sms_request_invalid", 422, "phone_e164 must be valid E.164") from None
+    if not phonenumbers.is_valid_number(parsed):
+        raise DomainError("sms_request_invalid", 422, "phone_e164 must be valid E.164")
+    normalized = phonenumbers.format_number(parsed, phonenumbers.PhoneNumberFormat.E164)
+    if normalized != value:
+        raise DomainError("sms_request_invalid", 422, "phone_e164 must be canonical E.164")
+    digits = normalized[1:]
+    masked = f"+{digits[:1]}{'*' * max(0, len(digits) - 5)}{digits[-4:]}"
+    return normalized, digits, masked
+
+
+def request_fingerprint(payload: dict[str, Any]) -> str:
+    canonical = json.dumps(
+        payload, ensure_ascii=False, sort_keys=True, separators=(",", ":"), allow_nan=False
+    )
+    return hashlib.sha256(canonical.encode("utf-8")).hexdigest()
+
+
+def destination_hmac(phone_e164: str, key: bytes) -> str:
+    return hmac.new(key, phone_e164.encode(), hashlib.sha256).hexdigest()
+
+
+def sms_parts(body: str) -> int:
+    if not body or "\ufeff" in body or "\x00" in body:
+        raise DomainError("sms_request_invalid", 422, "Rendered message contains invalid text")
+    gsm_units = 0
+    for char in body:
+        if char in GSM_BASIC:
+            gsm_units += 1
+        elif char in GSM_EXTENDED:
+            gsm_units += 2
+        else:
+            total = len(body.encode("utf-16-be")) // 2
+            return 1 if total <= 70 else (total + 66) // 67
+    return 1 if gsm_units <= 160 else (gsm_units + 152) // 153
+
+
+def render_template(
+    body_template: str,
+    placeholders: list[str],
+    substitutions: dict[str, Any],
+    max_parts: int,
+) -> str:
+    expected = set(placeholders)
+    supplied = set(substitutions)
+    if expected != supplied:
+        raise DomainError(
+            "sms_request_invalid",
+            422,
+            "Substitutions do not match template placeholders",
+            {"missing": sorted(expected - supplied), "unknown": sorted(supplied - expected)},
+        )
+    parsed = {
+        field_name
+        for _, field_name, format_spec, conversion in string.Formatter().parse(body_template)
+        if field_name is not None
+        and not format_spec
+        and not conversion
+        and field_name.isidentifier()
+    }
+    if parsed != expected or any(
+        format_spec or conversion
+        for _, field_name, format_spec, conversion in string.Formatter().parse(body_template)
+        if field_name is not None
+    ):
+        raise DomainError("sms_request_invalid", 422, "Template placeholder contract is invalid")
+    body = body_template.format_map({key: str(value) for key, value in substitutions.items()})
+    if len(body.encode("utf-8")) > 2048 or sms_parts(body) > max_parts:
+        raise DomainError("sms_request_invalid", 422, "Rendered message exceeds template limit")
+    return body
+
+
+@dataclass(frozen=True)
+class ProviderResult:
+    send_status: SendStatus
+    http_status: int | None = None
+    message_uuid: str | None = None
+    external_id: str | None = None
+    error_code: str | None = None
+    error_message: str | None = None
+    retry_safe: bool = False
+    contract_violation: bool = False
+
+
+DELIVERY_RANK = {
+    DeliveryStatus.UNKNOWN: 0,
+    DeliveryStatus.SENT: 1,
+    DeliveryStatus.DELIVERED: 2,
+    DeliveryStatus.UNDELIVERED: 2,
+    DeliveryStatus.UNSENT: 2,
+}
+
+
+def delivery_transition(current: DeliveryStatus, incoming: str) -> DeliveryStatus | None:
+    try:
+        target = DeliveryStatus(incoming.lower())
+    except ValueError:
+        return None
+    if DELIVERY_RANK[target] < DELIVERY_RANK[current]:
+        return current
+    if DELIVERY_RANK[target] == DELIVERY_RANK[current] and target != current:
+        return current
+    return target
+
+
+def parse_status_time(value: str) -> datetime:
+    try:
+        parsed = datetime.fromisoformat(value.replace("Z", "+00:00"))
+    except ValueError:
+        raise DomainError("callback_invalid", 422, "Invalid callback status_time") from None
+    if parsed.tzinfo is None:
+        raise DomainError("callback_invalid", 422, "Callback status_time requires timezone")
+    return parsed

codebase/backend/sms-service/app/main.py

@@ -0,0 +1,322 @@
+from __future__ import annotations
+
+import base64
+import binascii
+import hmac
+import logging
+import time
+import uuid
+from contextlib import asynccontextmanager
+from typing import Annotated, Any
+
+import structlog
+import uvicorn
+from fastapi import Body, Depends, FastAPI, Header, Request, Response
+from fastapi.exceptions import RequestValidationError
+from fastapi.responses import JSONResponse
+from prometheus_client import CONTENT_TYPE_LATEST, generate_latest
+from pydantic import ValidationError
+from sqlalchemy import func, select, text
+from sqlalchemy.ext.asyncio import AsyncSession
+from starlette.exceptions import HTTPException as StarletteHTTPException
+
+from app.db import Database, SmsTemplate
+from app.domain import DomainError
+from app.metrics import CALLBACK_LAG, CALLBACK_TOTAL
+from app.schemas import CallbackItem, ErrorEnvelope, MessageResponse, SendRequest, SendResponse
+from app.service import (
+    apply_callback,
+    create_order,
+    load_runtime_settings,
+    read_message,
+)
+from app.settings import get_settings
+
+log = structlog.get_logger()
+
+
+def configure_logging(level: str) -> None:
+    logging.basicConfig(level=level, format="%(message)s")
+    structlog.configure(
+        processors=[
+            structlog.contextvars.merge_contextvars,
+            structlog.processors.TimeStamper(fmt="iso", utc=True, key="timestamp"),
+            structlog.stdlib.add_log_level,
+            structlog.processors.JSONRenderer(),
+        ]
+    )
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    settings = get_settings()
+    configure_logging(settings.log_level)
+    app.state.settings = settings
+    app.state.db = Database(settings.database_url)
+    yield
+    await app.state.db.close()
+
+
+app = FastAPI(
+    title="HAN SMS Service",
+    version="1.0.0",
+    openapi_version="3.1.0",
+    docs_url=None,
+    redoc_url=None,
+    lifespan=lifespan,
+)
+
+
+@app.middleware("http")
+async def request_context(request: Request, call_next: Any) -> Response:
+    supplied = request.headers.get("X-Request-ID", "").strip()
+    request_id = supplied[:128] if supplied and supplied.isprintable() else str(uuid.uuid4())
+    request.state.request_id = request_id
+    started = time.monotonic()
+    structlog.contextvars.clear_contextvars()
+    structlog.contextvars.bind_contextvars(
+        request_id=request_id,
+        method=request.method,
+        route=request.url.path,
+        **{"service.name": "sms-service"},
+    )
+    response = await call_next(request)
+    response.headers["X-Request-ID"] = request_id
+    response.headers["X-Content-Type-Options"] = "nosniff"
+    response.headers["Cache-Control"] = "no-store"
+    log.info(
+        "request.complete",
+        status_code=response.status_code,
+        duration_ms=round((time.monotonic() - started) * 1000, 2),
+    )
+    return response
+
+
+def error_response(
+    request: Request,
+    code: str,
+    message: str,
+    status: int,
+    details: dict[str, Any] | list[dict[str, Any]] | None = None,
+) -> JSONResponse:
+    return JSONResponse(
+        status_code=status,
+        content={
+            "error": {
+                "code": code,
+                "message": message,
+                "request_id": getattr(request.state, "request_id", str(uuid.uuid4())),
+                "details": details or {},
+            }
+        },
+    )
+
+
+@app.exception_handler(DomainError)
+async def domain_error(request: Request, exc: DomainError) -> JSONResponse:
+    response = error_response(request, exc.code, exc.message, exc.status, exc.details)
+    if "retry_after" in exc.details:
+        response.headers["Retry-After"] = str(exc.details["retry_after"])
+    return response
+
+
+@app.exception_handler(RequestValidationError)
+async def validation_error(request: Request, exc: RequestValidationError) -> JSONResponse:
+    details = [
+        {"field": ".".join(str(part) for part in item["loc"][1:]), "type": item["type"]}
+        for item in exc.errors()
+    ]
+    log.warning("request.validation_failed", details=details)
+    return error_response(
+        request, "sms_request_invalid", "SMS request validation failed", 422, details
+    )
+
+
+@app.exception_handler(StarletteHTTPException)
+async def http_error(request: Request, exc: StarletteHTTPException) -> JSONResponse:
+    code = "not_found" if exc.status_code == 404 else "method_not_allowed"
+    return error_response(request, code, "Resource was not found", exc.status_code)
+
+
+@app.exception_handler(Exception)
+async def unhandled_error(request: Request, exc: Exception) -> JSONResponse:
+    log.exception("request.failed", error_code="internal_error")
+    return error_response(request, "internal_error", "Internal server error", 500)
+
+
+async def session(request: Request):
+    async for value in request.app.state.db.session():
+        yield value
+
+
+Session = Annotated[AsyncSession, Depends(session)]
+
+
+async def bearer_auth(request: Request) -> None:
+    authorization = request.headers.get("Authorization", "")
+    if not authorization.startswith("Bearer "):
+        raise DomainError("unauthorized", 401, "Authentication failed")
+    supplied = authorization.removeprefix("Bearer ").strip()
+    expected = request.app.state.settings.service_token.get_secret_value()
+    if not supplied or not hmac.compare_digest(supplied, expected):
+        raise DomainError("unauthorized", 401, "Authentication failed")
+
+
+InternalAuth = Annotated[None, Depends(bearer_auth)]
+
+
+def basic_auth(request: Request) -> None:
+    authorization = request.headers.get("Authorization", "")
+    encoded = (
+        authorization.removeprefix("Basic ").strip() if authorization.startswith("Basic ") else ""
+    )
+    try:
+        decoded = base64.b64decode(encoded, validate=True).decode("utf-8")
+        username, password = decoded.split(":", 1)
+    except (binascii.Error, UnicodeDecodeError, ValueError):
+        raise DomainError("unauthorized", 401, "Authentication failed") from None
+    settings = request.app.state.settings
+    valid_user = hmac.compare_digest(username, settings.callback_username.get_secret_value())
+    valid_password = hmac.compare_digest(password, settings.callback_password.get_secret_value())
+    if not (valid_user and valid_password):
+        raise DomainError("unauthorized", 401, "Authentication failed")
+
+
+CallbackAuth = Annotated[None, Depends(basic_auth)]
+
+
+@app.get("/health/live", tags=["health"])
+async def live() -> dict[str, str]:
+    return {"status": "live"}
+
+
+@app.get("/health/ready", tags=["health"])
+async def ready(db: Session) -> JSONResponse:
+    components = {
+        "postgres": "failed",
+        "schema": "failed",
+        "settings": "failed",
+        "template": "failed",
+    }
+    try:
+        await db.execute(text("SELECT 1"))
+        components["postgres"] = "ok"
+        revision = await db.scalar(text("SELECT version_num FROM sms.alembic_version LIMIT 1"))
+        if revision != "0002_seed":
+            raise RuntimeError("unexpected sms schema revision")
+        components["schema"] = "ok"
+        runtime = await load_runtime_settings(db)
+        components["settings"] = "ok"
+        template_count = await db.scalar(
+            select(func.count(SmsTemplate.id)).where(
+                SmsTemplate.code == "auth_otp",
+                SmsTemplate.is_active.is_(True),
+                SmsTemplate.approved_at.is_not(None),
+                (SmsTemplate.sender_name.is_not(None))
+                | (text(":sender <> ''").bindparams(sender=runtime.default_sender_name)),
+            )
+        )
+        if template_count != 1:
+            raise RuntimeError("active approved auth_otp template is missing")
+        components["template"] = "ok"
+    except Exception:
+        log.warning("readiness.failed")
+    failed = "failed" in components.values()
+    return JSONResponse(
+        {"status": "not_ready" if failed else "ready", "components": components},
+        status_code=503 if failed else 200,
+    )
+
+
+@app.get("/metrics", include_in_schema=False)
+async def metrics() -> Response:
+    return Response(generate_latest(), media_type=CONTENT_TYPE_LATEST)
+
+
+@app.post(
+    "/internal/sms/v1/send",
+    response_model=SendResponse,
+    responses={
+        401: {"model": ErrorEnvelope},
+        409: {"model": ErrorEnvelope},
+        422: {"model": ErrorEnvelope},
+        429: {"model": ErrorEnvelope},
+        503: {"model": ErrorEnvelope},
+    },
+    tags=["internal"],
+)
+async def send(
+    body: SendRequest,
+    request: Request,
+    db: Session,
+    _auth: InternalAuth,
+    x_request_id: Annotated[str | None, Header(alias="X-Request-ID")] = None,
+    traceparent: Annotated[
+        str | None,
+        Header(pattern=r"^[\da-f]{2}-[\da-f]{32}-[\da-f]{16}-[\da-f]{2}$"),
+    ] = None,
+) -> JSONResponse:
+    result, created = await create_order(
+        db,
+        body,
+        x_request_id,
+        traceparent,
+        request.app.state.settings.service_token.get_secret_value().encode(),
+    )
+    return JSONResponse(result.model_dump(mode="json"), status_code=202 if created else 200)
+
+
+@app.get(
+    "/internal/sms/v1/messages/{sms_message_id}",
+    response_model=MessageResponse,
+    responses={401: {"model": ErrorEnvelope}, 404: {"model": ErrorEnvelope}},
+    tags=["internal"],
+)
+async def message(sms_message_id: uuid.UUID, db: Session, _auth: InternalAuth) -> MessageResponse:
+    return await read_message(db, sms_message_id)
+
+
+@app.post(
+    "/callbacks/idgtl/sms",
+    status_code=204,
+    responses={401: {"model": ErrorEnvelope}, 422: {"model": ErrorEnvelope}},
+    tags=["callback"],
+)
+async def callback(
+    payload: Annotated[list[dict[str, Any]], Body(min_length=1, max_length=1000)],
+    request: Request,
+    db: Session,
+    _auth: CallbackAuth,
+) -> Response:
+    valid_count = 0
+    for raw in payload:
+        try:
+            item = CallbackItem.model_validate(raw)
+        except ValidationError:
+            CALLBACK_TOTAL.labels("idgtl", "invalid").inc()
+            log.warning("callback.rejected", reason="schema_invalid")
+            continue
+        accepted = await apply_callback(db, item)
+        CALLBACK_TOTAL.labels("idgtl", "accepted" if accepted else "rejected").inc()
+        if accepted:
+            valid_count += 1
+            lag = max(0.0, (datetime_now() - item.status_time).total_seconds())
+            CALLBACK_LAG.labels("idgtl", item.status.lower()).observe(lag)
+    await db.commit()
+    return Response(status_code=204, headers={"X-Callback-Items-Accepted": str(valid_count)})
+
+
+def datetime_now():
+    from datetime import UTC, datetime
+
+    return datetime.now(UTC)
+
+
+def run() -> None:
+    settings = get_settings()
+    uvicorn.run(
+        "app.main:app",
+        host="0.0.0.0",  # noqa: S104 - required container listener
+        port=settings.api_port,
+        proxy_headers=False,
+    )

codebase/backend/sms-service/app/metrics.py

@@ -0,0 +1,39 @@
+from prometheus_client import Counter, Gauge, Histogram
+
+SEND_TOTAL = Counter(
+    "sms_send_total",
+    "Provider send outcomes",
+    ("provider", "send_status"),
+)
+PROVIDER_LATENCY = Histogram(
+    "sms_provider_request_duration_seconds",
+    "Provider request latency",
+    ("provider",),
+)
+UNCERTAIN_TOTAL = Counter(
+    "sms_uncertain_total",
+    "Ambiguous provider outcomes",
+    ("provider",),
+)
+CALLBACK_TOTAL = Counter(
+    "sms_callback_total",
+    "Callback items",
+    ("provider", "result"),
+)
+CALLBACK_LAG = Histogram(
+    "sms_callback_lag_seconds",
+    "Callback status-to-receipt lag",
+    ("provider", "status"),
+)
+PENDING_AGE = Gauge(
+    "sms_pending_oldest_age_seconds",
+    "Age of oldest pending message",
+)
+JOURNAL_ROWS = Gauge(
+    "sms_journal_rows",
+    "Outbound journal row count",
+)
+SETTINGS_VALID = Gauge(
+    "sms_settings_valid",
+    "Whether cached technical settings are valid",
+)

codebase/backend/sms-service/app/provider.py

@@ -0,0 +1,161 @@
+from __future__ import annotations
+
+import uuid
+from dataclasses import dataclass
+from urllib.parse import quote, urlsplit, urlunsplit
+
+import httpx
+
+from app.db import SendStatus, SmsOutboundMessage
+from app.domain import ProviderResult
+
+
+@dataclass(frozen=True)
+class IdgtlConfig:
+    base_url: str
+    api_key: str
+    callback_url: str
+    callback_username: str
+    callback_password: str
+    connect_timeout_ms: int
+    request_timeout_ms: int
+    callback_enabled: bool
+
+
+def callback_url_with_credentials(config: IdgtlConfig) -> str:
+    parts = urlsplit(config.callback_url)
+    credentials = (
+        f"{quote(config.callback_username, safe='')}:{quote(config.callback_password, safe='')}"
+    )
+    host = parts.hostname or ""
+    if parts.port:
+        host = f"{host}:{parts.port}"
+    return urlunsplit((parts.scheme, f"{credentials}@{host}", parts.path, parts.query, ""))
+
+
+def build_payload(message: SmsOutboundMessage, config: IdgtlConfig) -> list[dict[str, object]]:
+    item: dict[str, object] = {
+        "channelType": "SMS",
+        "senderName": message.sender_name,
+        "destination": message.phone_digits,
+        "content": message.body_rendered,
+        "externalMessageId": str(message.id),
+        "ttl": message.message_ttl_sec,
+    }
+    if config.callback_enabled:
+        item["callbackUrl"] = callback_url_with_credentials(config)
+        item["callbackEvents"] = ["delivered", "sent"]
+    return [item]
+
+
+def classify_response(response: httpx.Response, expected_external_id: str) -> ProviderResult:
+    if response.status_code != 200:
+        if 400 <= response.status_code < 500:
+            return ProviderResult(
+                SendStatus.REJECTED,
+                response.status_code,
+                error_code=f"http_{response.status_code}",
+                error_message="provider_rejected",
+            )
+        return ProviderResult(
+            SendStatus.UNCERTAIN,
+            response.status_code,
+            error_code=f"http_{response.status_code}",
+            error_message="provider_result_uncertain",
+        )
+    try:
+        payload = response.json()
+    except ValueError:
+        return ProviderResult(
+            SendStatus.REJECTED,
+            200,
+            error_code="malformed_json",
+            error_message="provider_contract_violation",
+            contract_violation=True,
+        )
+    items = payload.get("items") if isinstance(payload, dict) else None
+    if isinstance(payload, dict) and items is None:
+        items = payload.get("messages") or payload.get("results") or payload.get("response")
+    errors = payload.get("errors") if isinstance(payload, dict) else None
+    if errors is not False or not isinstance(items, list) or len(items) != 1:
+        return ProviderResult(
+            SendStatus.REJECTED,
+            200,
+            error_code="invalid_response",
+            error_message="provider_contract_violation",
+            contract_violation=True,
+        )
+    item = items[0]
+    if not isinstance(item, dict):
+        return ProviderResult(
+            SendStatus.REJECTED,
+            200,
+            error_code="invalid_item",
+            error_message="provider_contract_violation",
+            contract_violation=True,
+        )
+    message_uuid = item.get("messageUuid")
+    external_id = item.get("externalMessageId")
+    try:
+        uuid.UUID(str(message_uuid))
+    except (ValueError, TypeError, AttributeError):
+        message_uuid = None
+    valid = item.get("code") == 201 and message_uuid and external_id == expected_external_id
+    if not valid:
+        return ProviderResult(
+            SendStatus.REJECTED,
+            200,
+            error_code=str(item.get("code") or "invalid_item"),
+            error_message="provider_contract_violation",
+            contract_violation=True,
+        )
+    return ProviderResult(
+        SendStatus.ACCEPTED,
+        200,
+        message_uuid=str(message_uuid),
+        external_id=str(external_id),
+    )
+
+
+class IdgtlClient:
+    def __init__(self, client: httpx.AsyncClient, config: IdgtlConfig) -> None:
+        self.client = client
+        self.config = config
+
+    async def send(self, message: SmsOutboundMessage) -> ProviderResult:
+        timeout = httpx.Timeout(
+            self.config.request_timeout_ms / 1000,
+            connect=self.config.connect_timeout_ms / 1000,
+        )
+        try:
+            headers = {"Authorization": f"Basic {self.config.api_key}"}
+            if message.request_id:
+                headers["X-Request-ID"] = message.request_id
+            if message.traceparent:
+                headers["traceparent"] = message.traceparent
+            response = await self.client.post(
+                f"{self.config.base_url.rstrip('/')}/api/v1/message",
+                headers=headers,
+                json=build_payload(message, self.config),
+                timeout=timeout,
+            )
+        except (httpx.ConnectError, httpx.ConnectTimeout):
+            return ProviderResult(
+                SendStatus.FAILED,
+                error_code="connect_failure",
+                error_message="provider_connect_failure",
+                retry_safe=True,
+            )
+        except (httpx.ReadTimeout, httpx.WriteError, httpx.ReadError, httpx.RemoteProtocolError):
+            return ProviderResult(
+                SendStatus.UNCERTAIN,
+                error_code="ambiguous_transport_failure",
+                error_message="provider_result_uncertain",
+            )
+        except httpx.RequestError:
+            return ProviderResult(
+                SendStatus.UNCERTAIN,
+                error_code="transport_failure",
+                error_message="provider_result_uncertain",
+            )
+        return classify_response(response, str(message.id))

codebase/backend/sms-service/app/schemas.py

@@ -0,0 +1,93 @@
+from __future__ import annotations
+
+import uuid
+from datetime import datetime
+from decimal import Decimal
+from typing import Any, Literal
+
+from pydantic import AliasChoices, BaseModel, ConfigDict, Field, field_validator
+
+
+class SendRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid", strict=True)
+
+    idempotency_key: str = Field(min_length=8, max_length=192)
+    template_code: Literal["auth_otp"]
+    locale: Literal["ru"]
+    phone_e164: str = Field(min_length=9, max_length=16)
+    substitutions: dict[str, str | int] = Field(min_length=1, max_length=16)
+    customer_ref: str = Field(min_length=1, max_length=128)
+    message_ttl_sec: int = Field(ge=60, le=86400)
+
+
+class SendResponse(BaseModel):
+    sms_message_id: uuid.UUID
+    ordered_at: datetime
+
+
+class MessageResponse(BaseModel):
+    sms_message_id: uuid.UUID
+    ordered_at: datetime
+    updated_at: datetime
+    requester_service: str
+    process: str
+    channel: str
+    provider: str
+    phone_masked: str
+    template_code: str
+    customer_ref: str | None
+    send_status: str
+    delivery_status: str
+    provider_message_id: str | None
+    accepted_at: datetime | None
+    sent_at: datetime | None
+    delivered_at: datetime | None
+    attempt_count: int
+    provider_error_code: str | None
+
+
+class CallbackItem(BaseModel):
+    model_config = ConfigDict(extra="allow")
+
+    channel_type: str = Field(validation_alias=AliasChoices("channel_type", "channelType"))
+    message_uuid: str = Field(
+        min_length=1,
+        max_length=128,
+        validation_alias=AliasChoices("message_uuid", "messageUuid"),
+    )
+    external_message_id: str = Field(
+        min_length=1,
+        max_length=128,
+        validation_alias=AliasChoices("external_message_id", "externalMessageId"),
+    )
+    callback_event: str = Field(
+        min_length=1,
+        max_length=32,
+        validation_alias=AliasChoices("callback_event", "callbackEvent", "event"),
+    )
+    status: str = Field(min_length=1, max_length=32)
+    status_time: datetime = Field(validation_alias=AliasChoices("status_time", "statusTime"))
+    error_code: str | None = Field(
+        default=None, validation_alias=AliasChoices("error_code", "errorCode")
+    )
+    parts: int | None = Field(default=None, ge=0)
+    price: Decimal | None = Field(default=None, ge=0)
+    currency: str | None = Field(default=None, min_length=3, max_length=3)
+
+    @field_validator("status_time")
+    @classmethod
+    def require_timezone(cls, value: datetime) -> datetime:
+        if value.tzinfo is None or value.utcoffset() is None:
+            raise ValueError("status_time requires a timezone")
+        return value
+
+
+class ErrorDetail(BaseModel):
+    code: str
+    message: str
+    request_id: str
+    details: dict[str, Any] | list[dict[str, Any]]
+
+
+class ErrorEnvelope(BaseModel):
+    error: ErrorDetail

codebase/backend/sms-service/app/service.py

@@ -0,0 +1,308 @@
+from __future__ import annotations
+
+import hashlib
+import uuid
+from dataclasses import dataclass
+from datetime import UTC, datetime, timedelta
+from typing import Any, cast
+
+import structlog
+from sqlalchemy import func, select, text
+from sqlalchemy.dialects.postgresql import insert as pg_insert
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.db import (
+    Channel,
+    DeliveryStatus,
+    SendStatus,
+    SmsCallbackEvent,
+    SmsOutboundMessage,
+    SmsSetting,
+    SmsTemplate,
+)
+from app.domain import (
+    DomainError,
+    delivery_transition,
+    destination_hmac,
+    normalize_phone,
+    render_template,
+    request_fingerprint,
+)
+from app.schemas import CallbackItem, MessageResponse, SendRequest, SendResponse
+
+log = structlog.get_logger()
+
+
+@dataclass(frozen=True)
+class RuntimeSettings:
+    default_sender_name: str
+    connect_timeout_ms: int
+    request_timeout_ms: int
+    callback_enabled: bool
+    poll_interval_ms: int
+    lease_seconds: int
+
+
+SETTING_RULES: dict[str, tuple[type, int | None, int | None]] = {
+    "provider.idgtl.default_sender_name": (str, 1, 64),
+    "provider.idgtl.connect_timeout_ms": (int, 100, 30_000),
+    "provider.idgtl.request_timeout_ms": (int, 1_000, 120_000),
+    "provider.idgtl.callback_enabled": (bool, None, None),
+    "worker.poll_interval_ms": (int, 100, 60_000),
+    "worker.lease_seconds": (int, 10, 600),
+}
+
+
+async def load_runtime_settings(db: AsyncSession) -> RuntimeSettings:
+    rows = (
+        await db.execute(select(SmsSetting).where(SmsSetting.setting_key.in_(SETTING_RULES)))
+    ).scalars()
+    values = {row.setting_key: row.setting_value for row in rows}
+    if values.keys() != SETTING_RULES.keys():
+        raise RuntimeError("required sms settings are missing")
+    for key, (expected_type, minimum, maximum) in SETTING_RULES.items():
+        value = values[key]
+        if type(value) is not expected_type:  # bool is an int subclass
+            raise RuntimeError(f"invalid sms setting type: {key}")
+        if isinstance(value, (int, str)):
+            size = value if isinstance(value, int) else len(value)
+            if minimum is not None and size < minimum:
+                raise RuntimeError(f"sms setting below minimum: {key}")
+            if maximum is not None and size > maximum:
+                raise RuntimeError(f"sms setting above maximum: {key}")
+    sender = str(values["provider.idgtl.default_sender_name"])
+    if sender.startswith("__"):
+        raise RuntimeError("provider sender name is not configured")
+    return RuntimeSettings(
+        default_sender_name=sender,
+        connect_timeout_ms=cast(int, values["provider.idgtl.connect_timeout_ms"]),
+        request_timeout_ms=cast(int, values["provider.idgtl.request_timeout_ms"]),
+        callback_enabled=cast(bool, values["provider.idgtl.callback_enabled"]),
+        poll_interval_ms=cast(int, values["worker.poll_interval_ms"]),
+        lease_seconds=cast(int, values["worker.lease_seconds"]),
+    )
+
+
+def fingerprint_payload(body: SendRequest, phone_e164: str) -> dict[str, Any]:
+    return {
+        "idempotency_key": body.idempotency_key,
+        "template_code": body.template_code,
+        "locale": body.locale,
+        "phone_e164": phone_e164,
+        "substitutions": body.substitutions,
+        "customer_ref": body.customer_ref,
+        "message_ttl_sec": body.message_ttl_sec,
+    }
+
+
+def validate_otp_request(body: SendRequest) -> None:
+    code = body.substitutions.get("code")
+    ttl_min = body.substitutions.get("ttl_min")
+    if (
+        not isinstance(code, str)
+        or not code.isascii()
+        or not code.isdigit()
+        or not 4 <= len(code) <= 10
+        or body.message_ttl_sec % 60 != 0
+        or str(ttl_min) != str(body.message_ttl_sec // 60)
+    ):
+        raise DomainError(
+            "sms_request_invalid", 422, "OTP substitutions and message TTL are inconsistent"
+        )
+
+
+def send_response(message: SmsOutboundMessage) -> SendResponse:
+    return SendResponse(sms_message_id=message.id, ordered_at=message.requested_at)
+
+
+async def existing_order(
+    db: AsyncSession, idempotency_key: str, fingerprint: str
+) -> SmsOutboundMessage | None:
+    message = await db.scalar(
+        select(SmsOutboundMessage).where(
+            SmsOutboundMessage.requester_service == "keycloak",
+            SmsOutboundMessage.idempotency_key == idempotency_key,
+        )
+    )
+    if message and message.request_fingerprint != fingerprint:
+        raise DomainError("idempotency_key_reused", 409, "Idempotency key was reused")
+    return message
+
+
+async def enforce_rate_limit(db: AsyncSession, phone_e164: str, destination_key: bytes) -> None:
+    digest = destination_hmac(phone_e164, destination_key)
+    lock_id = int.from_bytes(bytes.fromhex(digest[:16]), byteorder="big", signed=True)
+    await db.execute(text("SELECT pg_advisory_xact_lock(:key)"), {"key": lock_id})
+    since = datetime.now(UTC) - timedelta(minutes=10)
+    count = await db.scalar(
+        select(func.count(SmsOutboundMessage.id)).where(
+            SmsOutboundMessage.requester_service == "keycloak",
+            SmsOutboundMessage.phone_e164 == phone_e164,
+            SmsOutboundMessage.created_at >= since,
+        )
+    )
+    if (count or 0) >= 5:
+        raise DomainError(
+            "rate_limit_exceeded",
+            429,
+            "Rate limit exceeded",
+            {"retry_after": 600},
+        )
+
+
+async def create_order(
+    db: AsyncSession,
+    body: SendRequest,
+    request_id: str | None,
+    traceparent: str | None,
+    destination_key: bytes,
+) -> tuple[SendResponse, bool]:
+    validate_otp_request(body)
+    phone_e164, phone_digits, phone_masked = normalize_phone(body.phone_e164)
+    fingerprint = request_fingerprint(fingerprint_payload(body, phone_e164))
+    existing = await existing_order(db, body.idempotency_key, fingerprint)
+    if existing:
+        return send_response(existing), False
+
+    runtime = await load_runtime_settings(db)
+    template = await db.scalar(
+        select(SmsTemplate).where(
+            SmsTemplate.code == body.template_code,
+            SmsTemplate.channel == Channel.SMS,
+            SmsTemplate.locale == body.locale,
+            SmsTemplate.is_active.is_(True),
+            SmsTemplate.approved_at.is_not(None),
+        )
+    )
+    if not template:
+        raise DomainError("sms_service_unavailable", 503, "SMS service is unavailable")
+    sender = template.sender_name or runtime.default_sender_name
+    rendered = render_template(
+        template.body_template, template.placeholders, body.substitutions, template.max_parts
+    )
+    await enforce_rate_limit(db, phone_e164, destination_key)
+    now = datetime.now(UTC)
+    message = SmsOutboundMessage(
+        id=uuid.uuid4(),
+        requested_at=now,
+        updated_at=now,
+        requester_service="keycloak",
+        process="auth_otp",
+        channel="SMS",
+        provider="idgtl",
+        phone_e164=phone_e164,
+        phone_digits=phone_digits,
+        phone_masked=phone_masked,
+        template_id=template.id,
+        template_code=template.code,
+        body_rendered=rendered,
+        substitutions=body.substitutions,
+        send_status=SendStatus.PENDING,
+        delivery_status=DeliveryStatus.UNKNOWN,
+        customer_ref=body.customer_ref,
+        idempotency_key=body.idempotency_key,
+        request_fingerprint=fingerprint,
+        request_id=request_id,
+        traceparent=traceparent,
+        sender_name=sender,
+        message_ttl_sec=body.message_ttl_sec,
+        attempt_count=0,
+        next_attempt_at=now,
+    )
+    db.add(message)
+    try:
+        await db.commit()
+    except IntegrityError:
+        await db.rollback()
+        concurrent = await existing_order(db, body.idempotency_key, fingerprint)
+        if concurrent:
+            return send_response(concurrent), False
+        raise
+    return send_response(message), True
+
+
+def message_response(message: SmsOutboundMessage) -> MessageResponse:
+    return MessageResponse(
+        sms_message_id=message.id,
+        ordered_at=message.requested_at,
+        updated_at=message.updated_at,
+        requester_service=message.requester_service,
+        process=message.process,
+        channel=message.channel,
+        provider=message.provider,
+        phone_masked=message.phone_masked,
+        template_code=message.template_code,
+        customer_ref=message.customer_ref,
+        send_status=message.send_status.value,
+        delivery_status=message.delivery_status.value,
+        provider_message_id=message.provider_message_id,
+        accepted_at=message.accepted_at,
+        sent_at=message.sent_at,
+        delivered_at=message.delivered_at,
+        attempt_count=message.attempt_count,
+        provider_error_code=message.provider_error_code,
+    )
+
+
+async def read_message(db: AsyncSession, message_id: uuid.UUID) -> MessageResponse:
+    message = await db.scalar(
+        select(SmsOutboundMessage).where(
+            SmsOutboundMessage.id == message_id,
+            SmsOutboundMessage.requester_service == "keycloak",
+        )
+    )
+    if not message:
+        raise DomainError("not_found", 404, "Resource was not found")
+    return message_response(message)
+
+
+async def apply_callback(db: AsyncSession, item: CallbackItem) -> bool:
+    if item.channel_type.upper() != "SMS":
+        log.warning("callback.rejected", reason="wrong_channel")
+        return False
+    message = await db.scalar(
+        select(SmsOutboundMessage)
+        .where(
+            SmsOutboundMessage.provider == "idgtl",
+            SmsOutboundMessage.provider_message_id == item.message_uuid,
+        )
+        .with_for_update()
+    )
+    if not message or item.external_message_id != str(message.id):
+        digest = hashlib.sha256(item.message_uuid.encode()).hexdigest()[:16]
+        log.warning(
+            "callback.rejected", reason="unknown_or_conflicting_message", message_hash=digest
+        )
+        return False
+    target = delivery_transition(message.delivery_status, item.status)
+    if target is None:
+        log.warning("callback.rejected", reason="unknown_status", sms_message_id=str(message.id))
+        return False
+    inserted = await db.scalar(
+        pg_insert(SmsCallbackEvent)
+        .values(
+            id=uuid.uuid4(),
+            message_uuid=item.message_uuid,
+            callback_event=item.callback_event.lower(),
+            status=item.status.lower(),
+            status_time=item.status_time,
+        )
+        .on_conflict_do_nothing(constraint="uq_callback_event")
+        .returning(SmsCallbackEvent.id)
+    )
+    if inserted is None:
+        return True
+    now = datetime.now(UTC)
+    message.delivery_status = target
+    message.callback_last_at = now
+    message.updated_at = now
+    message.provider_error_code = item.error_code
+    message.parts = item.parts if item.parts is not None else message.parts
+    message.price = item.price if item.price is not None else message.price
+    message.currency = item.currency if item.currency is not None else message.currency
+    if target == DeliveryStatus.SENT and message.sent_at is None:
+        message.sent_at = item.status_time
+    elif target == DeliveryStatus.DELIVERED and message.delivered_at is None:
+        message.delivered_at = item.status_time
+    return True

codebase/backend/sms-service/app/settings.py

@@ -0,0 +1,53 @@
+from functools import lru_cache
+
+from pydantic import AnyHttpUrl, Field, SecretStr, field_validator
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(env_file=None, extra="ignore")
+
+    database_url: str = Field(alias="SMS_DATABASE_URL")
+    service_token: SecretStr = Field(alias="SMS_SERVICE_TOKEN", min_length=32)
+    idgtl_base_url: AnyHttpUrl = Field(
+        default=AnyHttpUrl("https://direct.i-dgtl.ru"), alias="IDGTL_SMS_BASE_URL"
+    )
+    idgtl_api_key: SecretStr | None = Field(default=None, alias="IDGTL_SMS_API_KEY")
+    callback_public_url: AnyHttpUrl = Field(alias="IDGTL_SMS_CALLBACK_PUBLIC_URL")
+    callback_username: SecretStr = Field(alias="IDGTL_SMS_CALLBACK_USERNAME")
+    callback_password: SecretStr = Field(alias="IDGTL_SMS_CALLBACK_PASSWORD")
+    log_level: str = Field(default="INFO", alias="LOG_LEVEL")
+    api_port: int = Field(default=8080, alias="SMS_API_PORT", ge=1, le=65535)
+
+    @field_validator(
+        "service_token",
+        "callback_username",
+        "callback_password",
+    )
+    @classmethod
+    def reject_placeholders(cls, value: SecretStr) -> SecretStr:
+        raw = value.get_secret_value().strip()
+        if not raw or raw.lower() in {"changeme", "secret", "token", "<secret>"}:
+            raise ValueError("secret is missing or is a placeholder")
+        return value
+
+    @field_validator("idgtl_api_key")
+    @classmethod
+    def reject_api_key_placeholder(cls, value: SecretStr | None) -> SecretStr | None:
+        if value is None:
+            return None
+        return cls.reject_placeholders(value)
+
+    @field_validator("callback_public_url")
+    @classmethod
+    def callback_must_be_https(cls, value: AnyHttpUrl) -> AnyHttpUrl:
+        if value.scheme != "https":
+            raise ValueError("callback URL must use HTTPS")
+        if value.username or value.password:
+            raise ValueError("callback URL must not contain credentials")
+        return value
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return Settings()

codebase/backend/sms-service/app/worker.py

@@ -0,0 +1,217 @@
+from __future__ import annotations
+
+import asyncio
+import logging
+import random
+import signal
+import time
+from datetime import UTC, datetime, timedelta
+
+import httpx
+import structlog
+from sqlalchemy import and_, func, or_, select, update
+
+from app.db import Database, SendStatus, SmsOutboundMessage
+from app.metrics import (
+    JOURNAL_ROWS,
+    PENDING_AGE,
+    PROVIDER_LATENCY,
+    SEND_TOTAL,
+    SETTINGS_VALID,
+    UNCERTAIN_TOTAL,
+)
+from app.provider import IdgtlClient, IdgtlConfig
+from app.service import RuntimeSettings, load_runtime_settings
+from app.settings import Settings, get_settings
+
+log = structlog.get_logger()
+MAX_CONNECT_ATTEMPTS = 3
+
+
+def configure_logging(level: str) -> None:
+    logging.basicConfig(level=level, format="%(message)s")
+    structlog.configure(
+        processors=[
+            structlog.processors.TimeStamper(fmt="iso", utc=True, key="timestamp"),
+            structlog.stdlib.add_log_level,
+            structlog.processors.JSONRenderer(),
+        ]
+    )
+
+
+async def reconcile_expired_leases(db: Database) -> int:
+    now = datetime.now(UTC)
+    async with db.sessions.begin() as session:
+        result = await session.execute(
+            update(SmsOutboundMessage)
+            .where(
+                SmsOutboundMessage.send_status == SendStatus.PENDING,
+                SmsOutboundMessage.attempt_count > 0,
+                SmsOutboundMessage.worker_locked_until < now,
+            )
+            .values(
+                send_status=SendStatus.UNCERTAIN,
+                worker_locked_until=None,
+                next_attempt_at=None,
+                updated_at=now,
+                provider_error_code="worker_lease_expired",
+                provider_error_message="provider_result_uncertain",
+            )
+            .returning(SmsOutboundMessage.id)
+        )
+        ids = list(result.scalars())
+    for message_id in ids:
+        SEND_TOTAL.labels("idgtl", SendStatus.UNCERTAIN.value).inc()
+        UNCERTAIN_TOTAL.labels("idgtl").inc()
+        log.error("worker.lease_expired", sms_message_id=str(message_id))
+    return len(ids)
+
+
+async def lease_message(db: Database, runtime: RuntimeSettings) -> SmsOutboundMessage | None:
+    now = datetime.now(UTC)
+    eligible = or_(
+        and_(
+            SmsOutboundMessage.send_status == SendStatus.PENDING,
+            SmsOutboundMessage.attempt_count == 0,
+        ),
+        and_(
+            SmsOutboundMessage.send_status == SendStatus.FAILED,
+            SmsOutboundMessage.attempt_count < MAX_CONNECT_ATTEMPTS,
+        ),
+    )
+    async with db.sessions.begin() as session:
+        message = await session.scalar(
+            select(SmsOutboundMessage)
+            .where(
+                eligible,
+                SmsOutboundMessage.next_attempt_at <= now,
+                or_(
+                    SmsOutboundMessage.worker_locked_until.is_(None),
+                    SmsOutboundMessage.worker_locked_until < now,
+                ),
+            )
+            .order_by(SmsOutboundMessage.next_attempt_at, SmsOutboundMessage.created_at)
+            .with_for_update(skip_locked=True)
+            .limit(1)
+        )
+        if message:
+            message.send_status = SendStatus.PENDING
+            message.attempt_count += 1
+            message.last_attempt_at = now
+            message.worker_locked_until = now + timedelta(seconds=runtime.lease_seconds)
+            message.updated_at = now
+    return message
+
+
+async def save_result(db: Database, message_id, result, attempt_count: int) -> None:
+    now = datetime.now(UTC)
+    status = result.send_status
+    next_attempt = None
+    if result.retry_safe and attempt_count < MAX_CONNECT_ATTEMPTS:
+        next_attempt = now + timedelta(seconds=(2**attempt_count) + random.uniform(0, 1))  # noqa: S311
+    async with db.sessions.begin() as session:
+        values = {
+            "send_status": status,
+            "provider_http_status": result.http_status,
+            "provider_message_id": result.message_uuid,
+            "provider_external_id": result.external_id,
+            "provider_error_code": result.error_code,
+            "provider_error_message": result.error_message,
+            "worker_locked_until": None,
+            "next_attempt_at": next_attempt,
+            "updated_at": now,
+        }
+        if status == SendStatus.ACCEPTED:
+            values["accepted_at"] = now
+        await session.execute(
+            update(SmsOutboundMessage)
+            .where(
+                SmsOutboundMessage.id == message_id,
+                SmsOutboundMessage.send_status == SendStatus.PENDING,
+                SmsOutboundMessage.attempt_count == attempt_count,
+            )
+            .values(**values)
+        )
+    SEND_TOTAL.labels("idgtl", status.value).inc()
+    if status == SendStatus.UNCERTAIN:
+        UNCERTAIN_TOTAL.labels("idgtl").inc()
+    if result.contract_violation:
+        log.error("provider.contract_violation", sms_message_id=str(message_id))
+
+
+def provider_config(settings: Settings, runtime: RuntimeSettings) -> IdgtlConfig:
+    if settings.idgtl_api_key is None:
+        raise RuntimeError("IDGTL_SMS_API_KEY is required by sms-worker")
+    return IdgtlConfig(
+        base_url=str(settings.idgtl_base_url),
+        api_key=settings.idgtl_api_key.get_secret_value(),
+        callback_url=str(settings.callback_public_url),
+        callback_username=settings.callback_username.get_secret_value(),
+        callback_password=settings.callback_password.get_secret_value(),
+        connect_timeout_ms=runtime.connect_timeout_ms,
+        request_timeout_ms=runtime.request_timeout_ms,
+        callback_enabled=runtime.callback_enabled,
+    )
+
+
+async def update_queue_metrics(db: Database) -> None:
+    async with db.sessions() as session:
+        oldest = await session.scalar(
+            select(func.min(SmsOutboundMessage.created_at)).where(
+                SmsOutboundMessage.send_status == SendStatus.PENDING
+            )
+        )
+        count = await session.scalar(select(func.count(SmsOutboundMessage.id)))
+    age = max(0.0, (datetime.now(UTC) - oldest).total_seconds()) if oldest else 0.0
+    PENDING_AGE.set(age)
+    JOURNAL_ROWS.set(count or 0)
+
+
+async def worker_loop(stop: asyncio.Event) -> None:
+    settings = get_settings()
+    configure_logging(settings.log_level)
+    db = Database(settings.database_url)
+    async with httpx.AsyncClient() as http:
+        try:
+            while not stop.is_set():
+                try:
+                    await reconcile_expired_leases(db)
+                    async with db.sessions() as session:
+                        runtime = await load_runtime_settings(session)
+                    SETTINGS_VALID.set(1)
+                    message = await lease_message(db, runtime)
+                    if message is None:
+                        await update_queue_metrics(db)
+                        await asyncio.wait_for(stop.wait(), timeout=runtime.poll_interval_ms / 1000)
+                        continue
+                    client = IdgtlClient(http, provider_config(settings, runtime))
+                    started = time.monotonic()
+                    result = await client.send(message)
+                    PROVIDER_LATENCY.labels("idgtl").observe(time.monotonic() - started)
+                    await save_result(db, message.id, result, message.attempt_count)
+                except TimeoutError:
+                    continue
+                except Exception:
+                    SETTINGS_VALID.set(0)
+                    log.exception("worker.iteration_failed")
+                    try:
+                        await asyncio.wait_for(stop.wait(), timeout=5)
+                    except TimeoutError:
+                        pass
+        finally:
+            await db.close()
+
+
+def run() -> None:
+    stop = asyncio.Event()
+    loop = asyncio.new_event_loop()
+    asyncio.set_event_loop(loop)
+    for name in (signal.SIGINT, signal.SIGTERM):
+        try:
+            loop.add_signal_handler(name, stop.set)
+        except NotImplementedError:
+            pass
+    try:
+        loop.run_until_complete(worker_loop(stop))
+    finally:
+        loop.close()

codebase/backend/sms-service/migrations/env.py

@@ -0,0 +1,56 @@
+from __future__ import annotations
+
+import asyncio
+from logging.config import fileConfig
+
+from alembic import context
+
+from app.db import Base, create_postgres_engine
+from app.settings import get_settings
+
+config = context.config
+if config.config_file_name:
+    fileConfig(config.config_file_name)
+database_url = get_settings().database_url
+if database_url.startswith("postgresql://"):
+    database_url = database_url.replace("postgresql://", "postgresql+asyncpg://", 1)
+config.set_main_option("sqlalchemy.url", database_url.replace("%", "%%"))
+target_metadata = Base.metadata
+
+
+def run_migrations_offline() -> None:
+    context.configure(
+        url=config.get_main_option("sqlalchemy.url"),
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+        version_table_schema="sms",
+        include_schemas=True,
+    )
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def do_run_migrations(connection) -> None:
+    context.configure(
+        connection=connection,
+        target_metadata=target_metadata,
+        version_table_schema="sms",
+        include_schemas=True,
+        compare_type=True,
+    )
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_async_migrations() -> None:
+    connectable = create_postgres_engine(database_url)
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+    await connectable.dispose()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    asyncio.run(run_async_migrations())

codebase/backend/sms-service/migrations/versions/0001_initial.py

@@ -0,0 +1,231 @@
+"""Create SMS journal schema objects.
+
+Revision ID: 0001_initial
+"""
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.dialects import postgresql
+
+revision = "0001_initial"
+down_revision = None
+branch_labels = None
+depends_on = None
+
+SCHEMA = "sms"
+channel = postgresql.ENUM("SMS", name="sms_channel", schema=SCHEMA, create_type=False)
+send_status = postgresql.ENUM(
+    "pending",
+    "accepted",
+    "rejected",
+    "failed",
+    "uncertain",
+    "skipped",
+    name="sms_send_status",
+    schema=SCHEMA,
+    create_type=False,
+)
+delivery_status = postgresql.ENUM(
+    "unknown",
+    "sent",
+    "delivered",
+    "undelivered",
+    "unsent",
+    name="sms_delivery_status",
+    schema=SCHEMA,
+    create_type=False,
+)
+
+
+def upgrade() -> None:
+    bind = op.get_bind()
+    postgresql.ENUM("SMS", name="sms_channel", schema=SCHEMA).create(bind)
+    postgresql.ENUM(
+        "pending",
+        "accepted",
+        "rejected",
+        "failed",
+        "uncertain",
+        "skipped",
+        name="sms_send_status",
+        schema=SCHEMA,
+    ).create(bind)
+    postgresql.ENUM(
+        "unknown",
+        "sent",
+        "delivered",
+        "undelivered",
+        "unsent",
+        name="sms_delivery_status",
+        schema=SCHEMA,
+    ).create(bind)
+
+    op.create_table(
+        "sms_template",
+        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
+        sa.Column("code", sa.String(64), nullable=False),
+        sa.Column("channel", channel, nullable=False),
+        sa.Column("locale", sa.String(16), nullable=False),
+        sa.Column("version", sa.Integer(), nullable=False),
+        sa.Column("body_template", sa.Text(), nullable=False),
+        sa.Column("placeholders", postgresql.JSONB(), nullable=False),
+        sa.Column("sender_name", sa.String(64)),
+        sa.Column("max_parts", sa.SmallInteger(), nullable=False),
+        sa.Column("is_active", sa.Boolean(), nullable=False, server_default=sa.false()),
+        sa.Column("approved_at", sa.DateTime(timezone=True)),
+        sa.Column(
+            "created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()
+        ),
+        sa.Column(
+            "updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()
+        ),
+        sa.Column("created_by", sa.String(64), nullable=False),
+        sa.CheckConstraint("version > 0", name="ck_template_version_positive"),
+        sa.CheckConstraint("max_parts BETWEEN 1 AND 10", name="ck_template_max_parts"),
+        sa.UniqueConstraint("code", "channel", "locale", "version", name="uq_template_version"),
+        schema=SCHEMA,
+    )
+    op.create_index(
+        "uq_template_active",
+        "sms_template",
+        ["code", "channel", "locale"],
+        unique=True,
+        schema=SCHEMA,
+        postgresql_where=sa.text("is_active"),
+    )
+
+    op.create_table(
+        "sms_setting",
+        sa.Column("setting_key", sa.String(128), primary_key=True),
+        sa.Column("setting_value", postgresql.JSONB(), nullable=False),
+        sa.Column("value_type", sa.String(16), nullable=False),
+        sa.Column("description", sa.Text(), nullable=False),
+        sa.Column(
+            "updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()
+        ),
+        sa.CheckConstraint(
+            "value_type IN ('string','integer','boolean')", name="ck_setting_value_type"
+        ),
+        schema=SCHEMA,
+    )
+
+    op.create_table(
+        "sms_outbound_message",
+        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
+        sa.Column(
+            "created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()
+        ),
+        sa.Column("requested_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("accepted_at", sa.DateTime(timezone=True)),
+        sa.Column("sent_at", sa.DateTime(timezone=True)),
+        sa.Column("delivered_at", sa.DateTime(timezone=True)),
+        sa.Column(
+            "updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()
+        ),
+        sa.Column("requester_service", sa.String(64), nullable=False),
+        sa.Column("process", sa.String(64), nullable=False),
+        sa.Column("channel", sa.String(16), nullable=False),
+        sa.Column("provider", sa.String(32), nullable=False),
+        sa.Column("phone_e164", sa.String(16), nullable=False),
+        sa.Column("phone_digits", sa.String(15), nullable=False),
+        sa.Column("phone_masked", sa.String(32), nullable=False),
+        sa.Column(
+            "template_id",
+            postgresql.UUID(as_uuid=True),
+            sa.ForeignKey(f"{SCHEMA}.sms_template.id"),
+            nullable=False,
+        ),
+        sa.Column("template_code", sa.String(64), nullable=False),
+        sa.Column("body_rendered", sa.Text(), nullable=False),
+        sa.Column("substitutions", postgresql.JSONB(), nullable=False),
+        sa.Column("send_status", send_status, nullable=False),
+        sa.Column("delivery_status", delivery_status, nullable=False),
+        sa.Column("provider_message_id", sa.String(128)),
+        sa.Column("provider_external_id", sa.String(128)),
+        sa.Column("customer_ref", sa.String(128)),
+        sa.Column("idempotency_key", sa.String(192), nullable=False),
+        sa.Column("request_fingerprint", sa.String(64), nullable=False),
+        sa.Column("request_id", sa.String(128)),
+        sa.Column("traceparent", sa.String(55)),
+        sa.Column("provider_http_status", sa.Integer()),
+        sa.Column("provider_error_code", sa.String(64)),
+        sa.Column("provider_error_message", sa.String(256)),
+        sa.Column("sender_name", sa.String(64), nullable=False),
+        sa.Column("message_ttl_sec", sa.Integer()),
+        sa.Column("attempt_count", sa.Integer(), nullable=False, server_default="0"),
+        sa.Column("last_attempt_at", sa.DateTime(timezone=True)),
+        sa.Column("next_attempt_at", sa.DateTime(timezone=True)),
+        sa.Column("worker_locked_until", sa.DateTime(timezone=True)),
+        sa.Column("parts", sa.Integer()),
+        sa.Column("price", sa.Numeric(14, 4)),
+        sa.Column("currency", sa.String(3)),
+        sa.Column("callback_last_at", sa.DateTime(timezone=True)),
+        sa.CheckConstraint("channel = 'SMS'", name="ck_outbound_channel"),
+        sa.CheckConstraint("provider = 'idgtl'", name="ck_outbound_provider"),
+        sa.CheckConstraint("process = 'auth_otp'", name="ck_outbound_process"),
+        sa.CheckConstraint("message_ttl_sec BETWEEN 60 AND 86400", name="ck_outbound_ttl"),
+        sa.CheckConstraint("attempt_count >= 0", name="ck_outbound_attempts"),
+        sa.UniqueConstraint("requester_service", "idempotency_key", name="uq_outbound_idempotency"),
+        schema=SCHEMA,
+    )
+    op.create_index(
+        "uq_outbound_provider_message",
+        "sms_outbound_message",
+        ["provider", "provider_message_id"],
+        unique=True,
+        schema=SCHEMA,
+        postgresql_where=sa.text("provider_message_id IS NOT NULL"),
+    )
+    op.create_index(
+        "ix_outbound_phone_created",
+        "sms_outbound_message",
+        ["phone_e164", sa.text("created_at DESC")],
+        schema=SCHEMA,
+    )
+    op.create_index(
+        "ix_outbound_requester_process_created",
+        "sms_outbound_message",
+        ["requester_service", "process", sa.text("created_at DESC")],
+        schema=SCHEMA,
+    )
+    op.create_index(
+        "ix_outbound_customer_ref", "sms_outbound_message", ["customer_ref"], schema=SCHEMA
+    )
+    op.create_index(
+        "ix_outbound_send_created",
+        "sms_outbound_message",
+        ["send_status", "created_at"],
+        schema=SCHEMA,
+    )
+    op.create_index(
+        "ix_outbound_delivery_updated",
+        "sms_outbound_message",
+        ["delivery_status", "updated_at"],
+        schema=SCHEMA,
+    )
+
+    op.create_table(
+        "sms_callback_event",
+        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
+        sa.Column("message_uuid", sa.String(128), nullable=False),
+        sa.Column("callback_event", sa.String(32), nullable=False),
+        sa.Column("status", sa.String(32), nullable=False),
+        sa.Column("status_time", sa.DateTime(timezone=True), nullable=False),
+        sa.Column(
+            "received_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()
+        ),
+        sa.UniqueConstraint(
+            "message_uuid", "callback_event", "status", "status_time", name="uq_callback_event"
+        ),
+        schema=SCHEMA,
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("sms_callback_event", schema=SCHEMA)
+    op.drop_table("sms_outbound_message", schema=SCHEMA)
+    op.drop_table("sms_setting", schema=SCHEMA)
+    op.drop_table("sms_template", schema=SCHEMA)
+    delivery_status.drop(op.get_bind())
+    send_status.drop(op.get_bind())
+    channel.drop(op.get_bind())

codebase/backend/sms-service/migrations/versions/0002_seed.py

@@ -0,0 +1,108 @@
+"""Seed versioned technical settings and OTP template placeholder.
+
+Revision ID: 0002_seed
+"""
+
+import uuid
+
+import sqlalchemy as sa
+from alembic import op
+
+revision = "0002_seed"
+down_revision = "0001_initial"
+branch_labels = None
+depends_on = None
+
+TEMPLATE_ID = uuid.UUID("5ac2a77e-590c-4b24-87d8-baa0f1240cd1")
+
+
+def upgrade() -> None:
+    bind = op.get_bind()
+    bind.execute(
+        sa.text(
+            """
+            INSERT INTO sms.sms_template (
+                id, code, channel, locale, version, body_template, placeholders,
+                sender_name, max_parts, is_active, approved_at, created_by
+            ) VALUES (
+                :id, 'auth_otp', 'SMS', 'ru', 1,
+                'Код входа в HAN Chat: {code}. Действителен {ttl_min} мин.',
+                '["code","ttl_min"]'::jsonb, NULL, 1, true, NULL, 'migration'
+            )
+            ON CONFLICT (code, channel, locale, version) DO NOTHING
+            """
+        ),
+        {"id": TEMPLATE_ID},
+    )
+    settings = (
+        (
+            "provider.idgtl.default_sender_name",
+            '"__SET_ME_AFTER_PROVIDER_APPROVAL__"',
+            "string",
+            "Provider-approved default sender name",
+        ),
+        (
+            "provider.idgtl.connect_timeout_ms",
+            "3000",
+            "integer",
+            "Direct connection timeout in milliseconds",
+        ),
+        (
+            "provider.idgtl.request_timeout_ms",
+            "70000",
+            "integer",
+            "Direct total request timeout in milliseconds",
+        ),
+        (
+            "provider.idgtl.callback_enabled",
+            "true",
+            "boolean",
+            "Include delivery callback in provider requests",
+        ),
+        (
+            "worker.poll_interval_ms",
+            "500",
+            "integer",
+            "Queue polling interval in milliseconds",
+        ),
+        (
+            "worker.lease_seconds",
+            "90",
+            "integer",
+            "Exclusive provider-call lease duration",
+        ),
+    )
+    for key, value, value_type, description in settings:
+        bind.execute(
+            sa.text(
+                """
+                INSERT INTO sms.sms_setting (
+                    setting_key, setting_value, value_type, description
+                ) VALUES (:key, CAST(:value AS jsonb), :value_type, :description)
+                ON CONFLICT (setting_key) DO NOTHING
+                """
+            ),
+            {
+                "key": key,
+                "value": value,
+                "value_type": value_type,
+                "description": description,
+            },
+        )
+
+
+def downgrade() -> None:
+    op.execute(sa.text("DELETE FROM sms.sms_template WHERE id = :id").bindparams(id=TEMPLATE_ID))
+    op.execute(
+        """
+        DELETE FROM sms.sms_setting
+        WHERE setting_key IN (
+          'provider.idgtl.default_sender_name',
+          'provider.idgtl.connect_timeout_ms',
+          'provider.idgtl.request_timeout_ms',
+          'provider.idgtl.callback_enabled',
+          'worker.poll_interval_ms',
+          'worker.lease_seconds'
+        )
+        """
+    )

codebase/backend/sms-service/openapi.yaml

@@ -0,0 +1,314 @@
+openapi: 3.1.0
+info:
+  title: HAN SMS Service
+  version: 1.0.0
+  description: Durable internal SMS ordering and i-Digital delivery callbacks.
+servers:
+  - url: http://sms-service:8080
+paths:
+  /internal/sms/v1/send:
+    post:
+      operationId: orderSms
+      security:
+        - serviceBearer: []
+      parameters:
+        - $ref: "#/components/parameters/RequestId"
+        - $ref: "#/components/parameters/Traceparent"
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/SendRequest"
+      responses:
+        "202":
+          description: New order durably committed; provider has not necessarily been called.
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/SendResponse"
+        "200":
+          description: Idempotent replay of an existing order.
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/SendResponse"
+        "401":
+          $ref: "#/components/responses/Unauthorized"
+        "409":
+          $ref: "#/components/responses/IdempotencyConflict"
+        "422":
+          $ref: "#/components/responses/InvalidRequest"
+        "429":
+          $ref: "#/components/responses/RateLimited"
+        "503":
+          $ref: "#/components/responses/Unavailable"
+  /internal/sms/v1/messages/{sms_message_id}:
+    get:
+      operationId: readSmsOrder
+      security:
+        - serviceBearer: []
+      parameters:
+        - name: sms_message_id
+          in: path
+          required: true
+          schema:
+            type: string
+            format: uuid
+        - $ref: "#/components/parameters/RequestId"
+      responses:
+        "200":
+          description: Redacted message diagnostics; never contains OTP, body, or full phone.
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Message"
+        "401":
+          $ref: "#/components/responses/Unauthorized"
+        "404":
+          $ref: "#/components/responses/NotFound"
+  /callbacks/idgtl/sms:
+    post:
+      operationId: acceptIdgtlCallback
+      security:
+        - callbackBasic: []
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: array
+              minItems: 1
+              maxItems: 1000
+              items:
+                $ref: "#/components/schemas/IdgtlCallbackItem"
+      responses:
+        "204":
+          description: Valid callback items committed; invalid items were safely ignored.
+        "401":
+          $ref: "#/components/responses/Unauthorized"
+        "422":
+          $ref: "#/components/responses/InvalidRequest"
+webhooks:
+  idgtlDeliveryStatus:
+    post:
+      summary: The same payload accepted at /callbacks/idgtl/sms.
+      security:
+        - callbackBasic: []
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: array
+              items:
+                $ref: "#/components/schemas/IdgtlCallbackItem"
+      responses:
+        "204":
+          description: Callback committed.
+components:
+  securitySchemes:
+    serviceBearer:
+      type: http
+      scheme: bearer
+      bearerFormat: opaque-service-token
+    callbackBasic:
+      type: http
+      scheme: basic
+  parameters:
+    RequestId:
+      name: X-Request-ID
+      in: header
+      required: false
+      schema:
+        type: string
+        maxLength: 128
+    Traceparent:
+      name: traceparent
+      in: header
+      required: false
+      schema:
+        type: string
+        pattern: "^[\\da-f]{2}-[\\da-f]{32}-[\\da-f]{16}-[\\da-f]{2}$"
+  schemas:
+    SendRequest:
+      type: object
+      additionalProperties: false
+      required:
+        - idempotency_key
+        - template_code
+        - locale
+        - phone_e164
+        - substitutions
+        - customer_ref
+        - message_ttl_sec
+      properties:
+        idempotency_key:
+          type: string
+          minLength: 8
+          maxLength: 192
+        template_code:
+          const: auth_otp
+        locale:
+          const: ru
+        phone_e164:
+          type: string
+          pattern: "^\\+[1-9]\\d{7,14}$"
+        substitutions:
+          type: object
+          additionalProperties: false
+          required: [code, ttl_min]
+          properties:
+            code:
+              type: string
+              pattern: "^\\d{4,10}$"
+            ttl_min:
+              oneOf:
+                - type: string
+                  pattern: "^\\d{1,3}$"
+                - type: integer
+                  minimum: 1
+                  maximum: 1440
+        customer_ref:
+          type: string
+          minLength: 1
+          maxLength: 128
+        message_ttl_sec:
+          type: integer
+          minimum: 60
+          maximum: 86400
+    SendResponse:
+      type: object
+      additionalProperties: false
+      required: [sms_message_id, ordered_at]
+      properties:
+        sms_message_id:
+          type: string
+          format: uuid
+        ordered_at:
+          type: string
+          format: date-time
+    Message:
+      type: object
+      additionalProperties: false
+      description: Deliberately excludes phone_e164, body_rendered, and substitutions.
+      required:
+        - sms_message_id
+        - ordered_at
+        - updated_at
+        - requester_service
+        - process
+        - channel
+        - provider
+        - phone_masked
+        - template_code
+        - send_status
+        - delivery_status
+        - attempt_count
+      properties:
+        sms_message_id: {type: string, format: uuid}
+        ordered_at: {type: string, format: date-time}
+        updated_at: {type: string, format: date-time}
+        requester_service: {const: keycloak}
+        process: {const: auth_otp}
+        channel: {const: SMS}
+        provider: {const: idgtl}
+        phone_masked: {type: string}
+        template_code: {const: auth_otp}
+        customer_ref: {type: [string, "null"]}
+        send_status:
+          enum: [pending, accepted, rejected, failed, uncertain, skipped]
+        delivery_status:
+          enum: [unknown, sent, delivered, undelivered, unsent]
+        provider_message_id: {type: [string, "null"]}
+        accepted_at: {type: [string, "null"], format: date-time}
+        sent_at: {type: [string, "null"], format: date-time}
+        delivered_at: {type: [string, "null"], format: date-time}
+        attempt_count: {type: integer, minimum: 0}
+        provider_error_code: {type: [string, "null"]}
+    IdgtlCallbackItem:
+      type: object
+      required:
+        - channelType
+        - messageUuid
+        - externalMessageId
+        - callbackEvent
+        - status
+        - statusTime
+      properties:
+        channelType:
+          const: SMS
+        messageUuid:
+          type: string
+        externalMessageId:
+          type: string
+        callbackEvent:
+          type: string
+        status:
+          enum: [sent, delivered, undelivered, unsent]
+        statusTime:
+          type: string
+          format: date-time
+        errorCode:
+          type: [string, "null"]
+        parts:
+          type: [integer, "null"]
+          minimum: 0
+        price:
+          type: [number, "null"]
+          minimum: 0
+        currency:
+          type: [string, "null"]
+          minLength: 3
+          maxLength: 3
+    Error:
+      type: object
+      additionalProperties: false
+      required: [error]
+      properties:
+        error:
+          type: object
+          additionalProperties: false
+          required: [code, message, request_id, details]
+          properties:
+            code: {type: string}
+            message: {type: string}
+            request_id: {type: string}
+            details:
+              oneOf:
+                - type: object
+                - type: array
+  responses:
+    Unauthorized:
+      description: Missing or invalid credentials.
+      content:
+        application/json:
+          schema: {$ref: "#/components/schemas/Error"}
+    IdempotencyConflict:
+      description: The key was already used with another meaningful payload.
+      content:
+        application/json:
+          schema: {$ref: "#/components/schemas/Error"}
+    InvalidRequest:
+      description: Strict request or callback validation failed.
+      content:
+        application/json:
+          schema: {$ref: "#/components/schemas/Error"}
+    RateLimited:
+      description: Caller and destination rate limit exceeded.
+      headers:
+        Retry-After:
+          schema: {type: integer}
+      content:
+        application/json:
+          schema: {$ref: "#/components/schemas/Error"}
+    Unavailable:
+      description: The order could not be durably committed.
+      content:
+        application/json:
+          schema: {$ref: "#/components/schemas/Error"}
+    NotFound:
+      description: Message was not found in the caller scope.
+      content:
+        application/json:
+          schema: {$ref: "#/components/schemas/Error"}

codebase/backend/sms-service/pyproject.toml

@@ -0,0 +1,59 @@
+[project]
+name = "han-sms-service"
+version = "0.1.0"
+description = "HAN Chat durable SMS delivery service"
+requires-python = ">=3.12"
+dependencies = [
+  "alembic>=1.16,<2",
+  "asyncpg>=0.30,<1",
+  "fastapi>=0.116,<1",
+  "httpx>=0.28,<1",
+  "phonenumbers>=9,<10",
+  "prometheus-client>=0.22,<1",
+  "pydantic-settings>=2.10,<3",
+  "sqlalchemy[asyncio]>=2.0.41,<3",
+  "structlog>=25,<26",
+  "uvicorn[standard]>=0.35,<1",
+]
+
+[project.optional-dependencies]
+dev = [
+  "aiosqlite>=0.21,<1",
+  "mypy>=1.16,<2",
+  "pytest>=8.4,<9",
+  "pytest-asyncio>=1.0,<2",
+  "pyyaml>=6,<7",
+  "ruff>=0.12,<1",
+]
+
+[project.scripts]
+han-sms-api = "app.main:run"
+han-sms-worker = "app.worker:run"
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build.targets.wheel]
+packages = ["app"]
+
+[tool.pytest.ini_options]
+asyncio_mode = "auto"
+testpaths = ["tests"]
+
+[tool.ruff]
+target-version = "py312"
+line-length = 100
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "UP", "B", "ASYNC", "S"]
+ignore = ["S101"]
+
+[tool.mypy]
+python_version = "3.12"
+check_untyped_defs = true
+warn_redundant_casts = true
+warn_unused_ignores = true
+ignore_missing_imports = true
+plugins = ["pydantic.mypy", "sqlalchemy.ext.mypy.plugin"]
+exclude = ["migrations/"]

codebase/backend/sms-service/tests/contract/test_openapi.py

@@ -0,0 +1,25 @@
+from pathlib import Path
+
+import yaml
+
+
+def test_static_contract_is_openapi_31_and_redacted() -> None:
+    contract = yaml.safe_load(
+        (Path(__file__).parents[2] / "openapi.yaml").read_text(encoding="utf-8")
+    )
+    assert contract["openapi"] == "3.1.0"
+    paths = contract["paths"]
+    assert "/internal/sms/v1/send" in paths
+    assert "/internal/sms/v1/messages/{sms_message_id}" in paths
+    assert "/callbacks/idgtl/sms" in paths
+    message_fields = contract["components"]["schemas"]["Message"]["properties"]
+    assert {"phone_e164", "body_rendered", "substitutions"}.isdisjoint(message_fields)
+    assert "idgtlDeliveryStatus" in contract["webhooks"]
+
+
+def test_send_contract_distinguishes_new_and_replayed_order() -> None:
+    contract = yaml.safe_load(
+        (Path(__file__).parents[2] / "openapi.yaml").read_text(encoding="utf-8")
+    )
+    responses = contract["paths"]["/internal/sms/v1/send"]["post"]["responses"]
+    assert {"200", "202", "401", "409", "422", "429", "503"} <= responses.keys()

codebase/backend/sms-service/tests/unit/test_auth.py

@@ -0,0 +1,35 @@
+import base64
+from types import SimpleNamespace
+
+import pytest
+from pydantic import SecretStr
+
+from app.domain import DomainError
+from app.main import basic_auth, bearer_auth
+
+
+def request_with(authorization: str):
+    settings = SimpleNamespace(
+        service_token=SecretStr("s" * 43),
+        callback_username=SecretStr("callback-user"),
+        callback_password=SecretStr("callback-password"),
+    )
+    return SimpleNamespace(
+        headers={"Authorization": authorization},
+        app=SimpleNamespace(state=SimpleNamespace(settings=settings)),
+    )
+
+
+@pytest.mark.asyncio
+async def test_internal_api_requires_exact_bearer_token() -> None:
+    await bearer_auth(request_with(f"Bearer {'s' * 43}"))
+    with pytest.raises(DomainError) as error:
+        await bearer_auth(request_with("Bearer wrong"))
+    assert error.value.code == "unauthorized"
+
+
+def test_callback_requires_exact_basic_credentials() -> None:
+    encoded = base64.b64encode(b"callback-user:callback-password").decode()
+    basic_auth(request_with(f"Basic {encoded}"))
+    with pytest.raises(DomainError):
+        basic_auth(request_with("Basic invalid"))

codebase/backend/sms-service/tests/unit/test_domain.py

@@ -0,0 +1,85 @@
+import pytest
+
+from app.db import DeliveryStatus
+from app.domain import (
+    DomainError,
+    delivery_transition,
+    normalize_phone,
+    render_template,
+    request_fingerprint,
+    sms_parts,
+)
+
+
+def test_phone_is_canonical_and_masked() -> None:
+    e164, digits, masked = normalize_phone("+79001234567")
+    assert e164 == "+79001234567"
+    assert digits == "79001234567"
+    assert masked == "+7******4567"
+
+
+@pytest.mark.parametrize("phone", ["79001234567", "+012345678", "+7900", "+7999999999999999"])
+def test_invalid_phone_is_rejected(phone: str) -> None:
+    with pytest.raises(DomainError) as error:
+        normalize_phone(phone)
+    assert error.value.code == "sms_request_invalid"
+
+
+def test_strict_template_render() -> None:
+    result = render_template(
+        "Код входа: {code}. Действителен {ttl_min} мин.",
+        ["code", "ttl_min"],
+        {"code": "482193", "ttl_min": 1},
+        1,
+    )
+    assert result == "Код входа: 482193. Действителен 1 мин."
+
+
+@pytest.mark.parametrize(
+    "substitutions",
+    [
+        {"code": "482193"},
+        {"code": "482193", "ttl_min": 1, "extra": "forbidden"},
+    ],
+)
+def test_template_rejects_placeholder_mismatch(substitutions) -> None:
+    with pytest.raises(DomainError):
+        render_template(
+            "Код: {code}; TTL: {ttl_min}",
+            ["code", "ttl_min"],
+            substitutions,
+            1,
+        )
+
+
+def test_template_rejects_format_expressions() -> None:
+    with pytest.raises(DomainError):
+        render_template("{code!r}", ["code"], {"code": "123456"}, 1)
+
+
+def test_sms_parts_supports_gsm_and_unicode() -> None:
+    assert sms_parts("A" * 160) == 1
+    assert sms_parts("A" * 161) == 2
+    assert sms_parts("Я" * 70) == 1
+    assert sms_parts("Я" * 71) == 2
+
+
+def test_fingerprint_is_canonical() -> None:
+    first = request_fingerprint({"b": 2, "a": {"y": 2, "x": 1}})
+    second = request_fingerprint({"a": {"x": 1, "y": 2}, "b": 2})
+    assert first == second
+
+
+@pytest.mark.parametrize(
+    ("current", "incoming", "expected"),
+    [
+        (DeliveryStatus.UNKNOWN, "sent", DeliveryStatus.SENT),
+        (DeliveryStatus.SENT, "delivered", DeliveryStatus.DELIVERED),
+        (DeliveryStatus.DELIVERED, "sent", DeliveryStatus.DELIVERED),
+        (DeliveryStatus.UNDELIVERED, "sent", DeliveryStatus.UNDELIVERED),
+        (DeliveryStatus.DELIVERED, "unsent", DeliveryStatus.DELIVERED),
+        (DeliveryStatus.UNKNOWN, "bogus", None),
+    ],
+)
+def test_delivery_status_is_monotonic(current, incoming, expected) -> None:
+    assert delivery_transition(current, incoming) == expected

codebase/backend/sms-service/tests/unit/test_provider.py

@@ -0,0 +1,90 @@
+import uuid
+
+import httpx
+import pytest
+
+from app.db import SendStatus
+from app.provider import IdgtlConfig, callback_url_with_credentials, classify_response
+
+
+def response(status: int, payload=None) -> httpx.Response:
+    request = httpx.Request("POST", "https://direct.example/api/v1/message")
+    if payload is None:
+        return httpx.Response(status, request=request)
+    return httpx.Response(status, json=payload, request=request)
+
+
+@pytest.mark.parametrize("status", [401, 402, 403, 422])
+def test_explicit_business_rejections_are_not_retried(status: int) -> None:
+    result = classify_response(response(status), "message-id")
+    assert result.send_status == SendStatus.REJECTED
+    assert result.retry_safe is False
+
+
+@pytest.mark.parametrize("status", [500, 502, 503, 504])
+def test_ambiguous_http_results_are_uncertain(status: int) -> None:
+    result = classify_response(response(status), "message-id")
+    assert result.send_status == SendStatus.UNCERTAIN
+    assert result.retry_safe is False
+
+
+def test_exact_success_contract() -> None:
+    message_uuid = str(uuid.uuid4())
+    result = classify_response(
+        response(
+            200,
+            {
+                "errors": False,
+                "response": [
+                    {
+                        "code": 201,
+                        "messageUuid": message_uuid,
+                        "externalMessageId": "message-id",
+                    }
+                ],
+            },
+        ),
+        "message-id",
+    )
+    assert result.send_status == SendStatus.ACCEPTED
+    assert result.message_uuid == message_uuid
+
+
+@pytest.mark.parametrize(
+    "payload",
+    [
+        {"errors": True, "response": []},
+        {"errors": False, "response": []},
+        {"errors": False, "response": [{"code": 200}]},
+        {
+            "errors": False,
+            "response": [
+                {
+                    "code": 201,
+                    "messageUuid": str(uuid.uuid4()),
+                    "externalMessageId": "wrong",
+                }
+            ],
+        },
+    ],
+)
+def test_malformed_200_is_rejected_contract_violation(payload) -> None:
+    result = classify_response(response(200, payload), "message-id")
+    assert result.send_status == SendStatus.REJECTED
+    assert result.contract_violation is True
+
+
+def test_callback_credentials_are_url_encoded() -> None:
+    config = IdgtlConfig(
+        base_url="https://direct.example",
+        api_key="api-key",
+        callback_url="https://tohin.ru/callbacks/idgtl/sms",
+        callback_username="user@example",
+        callback_password="p:a/ss",  # noqa: S106 - synthetic URL-encoding fixture
+        connect_timeout_ms=3000,
+        request_timeout_ms=70000,
+        callback_enabled=True,
+    )
+    assert callback_url_with_credentials(config) == (
+        "https://user%40example:p%3Aa%2Fss@tohin.ru/callbacks/idgtl/sms"
+    )

codebase/backend/sms-service/tests/unit/test_schemas.py

@@ -0,0 +1,53 @@
+import pytest
+from pydantic import ValidationError
+
+from app.domain import DomainError
+from app.schemas import CallbackItem, SendRequest
+from app.service import validate_otp_request
+
+
+def valid_send(**overrides) -> SendRequest:
+    payload = {
+        "idempotency_key": "keycloak:challenge:01JABCDEF",
+        "template_code": "auth_otp",
+        "locale": "ru",
+        "phone_e164": "+79001234567",
+        "substitutions": {"code": "482193", "ttl_min": "1"},
+        "customer_ref": "01JABCDEF",
+        "message_ttl_sec": 60,
+    }
+    payload.update(overrides)
+    return SendRequest.model_validate(payload)
+
+
+def test_send_request_is_strict() -> None:
+    with pytest.raises(ValidationError):
+        valid_send(extra="forbidden")
+
+
+@pytest.mark.parametrize(
+    ("substitutions", "ttl"),
+    [
+        ({"code": "12ab", "ttl_min": "1"}, 60),
+        ({"code": "123456", "ttl_min": "2"}, 60),
+        ({"code": "123456", "ttl_min": "1"}, 61),
+    ],
+)
+def test_otp_substitutions_match_ttl(substitutions, ttl) -> None:
+    with pytest.raises(DomainError):
+        validate_otp_request(valid_send(substitutions=substitutions, message_ttl_sec=ttl))
+
+
+def test_callback_accepts_provider_camel_case() -> None:
+    item = CallbackItem.model_validate(
+        {
+            "channelType": "SMS",
+            "messageUuid": "provider-id",
+            "externalMessageId": "internal-id",
+            "callbackEvent": "delivered",
+            "status": "delivered",
+            "statusTime": "2026-07-22T12:00:00Z",
+        }
+    )
+    assert item.channel_type == "SMS"
+    assert item.status_time.tzinfo is not None

codebase/backend/tests/test_config.py

@@ -44,9 +44,15 @@ class InfrastructureConfigTests(unittest.TestCase):
         application = (ROOT / "infra/compose/application.yml").read_text(encoding="utf-8")
         self.assertIn("networks: [backend, observability, egress]", application)
         self.assertIn("networks: [public, backend, observability]", application)
+        self.assertEqual(
+            application.count(
+                "IDGTL_SMS_API_KEY: ${IDGTL_SMS_API_KEY:?IDGTL_SMS_API_KEY is required}"
+            ),
+            1,
+        )
 
         jobs = (ROOT / "deployment/docker-compose.jobs.yml").read_text(encoding="utf-8")
-        self.assertEqual(jobs.count("networks: [backend, egress]"), 4)
+        self.assertEqual(jobs.count("networks: [backend, egress]"), 5)
 
         observability = (ROOT / "observability/docker-compose.yml").read_text(encoding="utf-8")
         self.assertIn("networks: [observability, backend, egress]", observability)
@@ -93,6 +99,10 @@ class InfrastructureConfigTests(unittest.TestCase):
         self.assertIn("location = /auth/callback", site)
         self.assertIn("location ^~ /auth/resources/", site)
         self.assertIn("location ^~ /auth/realms/", site)
+        self.assertIn("location = /callbacks/idgtl/sms", site)
+        self.assertIn("allow 185.203.96.7;", site)
+        self.assertIn("proxy_pass http://sms_service_upstream;", site)
+        self.assertIn("upstream sms_service_upstream", config)
         self.assertNotIn("security-headers.conf", proxy_keycloak)
         self.assertNotIn("X-Frame-Options", proxy_keycloak)
 
@@ -134,6 +144,7 @@ class InfrastructureConfigTests(unittest.TestCase):
         self.assertIn("frontend-test-site", application)
         self.assertIn("frontend-static:/output", application)
         for service, command in (
+            ("sms-worker:", "han-sms-worker"),
             ("delivery-worker:", "han-delivery-worker"),
             ("safety-recovery-worker:", "han-safety-worker"),
             ("cleanup-worker:", "han-cleanup-worker"),
@@ -169,10 +180,13 @@ class InfrastructureConfigTests(unittest.TestCase):
             "api-backend/alembic/env.py",
             "bitrix-local-app/alembic/env.py",
             "bitrix-sync/alembic/env.py",
+            "sms-service/migrations/env.py",
         ):
             env_script = (ROOT / relative_path).read_text(encoding="utf-8")
             self.assertIn('.replace("%", "%%")', env_script, relative_path)
             self.assertIn("create_postgres_engine", env_script, relative_path)
+        sms_db = (ROOT / "sms-service/app/db.py").read_text(encoding="utf-8")
+        self.assertNotIn("server_settings", sms_db)
 
     def test_contact_sync_qualifies_pgcrypto_digest(self) -> None:
         initial = (
@@ -185,7 +199,7 @@ class InfrastructureConfigTests(unittest.TestCase):
         self.assertIn("public.digest(", initial)
         self.assertIn("public.digest(", fix)
         self.assertIn('down_revision: str | None = "0001_initial"', fix)
-        self.assertIn('revision != "0003_consent_audit"', main)
+        self.assertIn('revision != "0005_otp_settings"', main)
 
     def test_consent_audit_migration_supports_existing_and_fresh_databases(self) -> None:
         migration = (
@@ -212,10 +226,11 @@ class InfrastructureConfigTests(unittest.TestCase):
             "KEYCLOAK_OTP_MOCK_ENABLED",
             "KEYCLOAK_OTP_MOCK_CODE",
             "KEYCLOAK_OTP_HMAC_KEY",
-            "KEYCLOAK_OTP_TTL_SEC",
             "KEYCLOAK_OTP_SETTINGS_MAX_STALE_SEC",
             "KEYCLOAK_SETTINGS_BRIDGE_URL",
             "KEYCLOAK_SETTINGS_BRIDGE_TOKEN",
+            "KEYCLOAK_SMS_SERVICE_URL",
+            "KEYCLOAK_SMS_SERVICE_TOKEN",
         ):
             self.assertIn(f"      {variable}:", application)
 
@@ -229,6 +244,8 @@ class InfrastructureConfigTests(unittest.TestCase):
             "CURSOR_HMAC_SECRET=",
             "BITRIX_TOKEN_ENCRYPTION_KEY=",
             "KEYCLOAK_INTERNAL_URL=http://keycloak:8080/auth",
+            "KEYCLOAK_SMS_SERVICE_URL=http://sms-service:8080",
+            "IDGTL_SMS_CALLBACK_PUBLIC_URL=https://chat.example.ru/callbacks/idgtl/sms",
         ):
             self.assertIn(required, example)
         materialized = example.replace("change-me", "0123456789abcdef0123456789abcdef")