landvex: Fixar och tester klara för alla komponenter

- Datafabrik: Dockerfile fix, agentorkestrering fungerar
- Vision: Identify-modell, FAISS, OCR alla testade
- API: Alla 7 integrationstester passerade
- Upplösare: Entitetsupplösning verifierad

landvex-admin-backend/app/config.py

@@ -0,0 +1,52 @@
+"""
+Konfiguration för LandveX Admin Backend (User Management + Tenant Management).
+"""
+from pydantic_settings import BaseSettings, SettingsConfigDict
+from functools import lru_cache
+
+
+class Settings(BaseSettings):
+    APP_NAME: str = "LandveX Admin Backend"
+    DEBUG: bool = False
+
+    # Database
+    DATABASE_URL: str = "postgresql+asyncpg://postgres:postgres@localhost:5432/landvex"
+    DATABASE_POOL_SIZE: int = 20
+    DATABASE_MAX_OVERFLOW: int = 10
+
+    # Schema isolation
+    DEFAULT_TENANT_SCHEMA: str = "public"
+    TENANT_SCHEMA_PREFIX: str = "tenant_"
+
+    # JWT
+    SECRET_KEY: str = "change-me-in-production-landvex-secret-key-2024"
+    ALGORITHM: str = "HS256"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
+    REFRESH_TOKEN_EXPIRE_DAYS: int = 7
+
+    # Invitation
+    INVITATION_TOKEN_EXPIRE_HOURS: int = 48
+    FRONTEND_SET_PASSWORD_URL: str = "https://admin.landvex.se/set-password"
+
+    # Password policy
+    MIN_PASSWORD_LENGTH: int = 8
+
+    # Audit logging
+    AUDIT_LOG_TABLE: str = "audit_logs"
+    AUDIT_RETENTION_DAYS: int = 365
+
+    # Pagination
+    DEFAULT_PAGE_SIZE: int = 20
+    MAX_PAGE_SIZE: int = 100
+
+    model_config = SettingsConfigDict(
+        env_file=".env",
+        env_file_encoding="utf-8",
+        case_sensitive=True,
+        extra="allow"
+    )
+
+
+@lru_cache()
+def get_settings() -> Settings:
+    return Settings()