feat: production deployment - full update with providers, admin, glossaries, pricing, tests

Major changes across backend, frontend, infrastructure:
- Provider system with model selection (Google, DeepL, OpenAI, Ollama, Google Cloud)
- Admin panel: user management, pricing, settings
- Glossary system with CSV import/export
- Subscription and tier quota management
- Security hardening (rate limiting, API key auth, path traversal fixes)
- Docker compose for dev, prod, and IONOS deployment
- Alembic migrations for new tables
- Frontend: dashboard, pricing page, landing page, i18n (en/fr)
- Test suite and verification scripts

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

services/storage_tracker.py

@@ -5,14 +5,10 @@ from datetime import datetime, timezone
 from typing import Optional, Any, Dict
 from config import config
 
-try:
-    import structlog
+from core.logging import get_logger
 
-    logger = structlog.get_logger(__name__)
-    _HAS_STRUCTLOG = True
-except ImportError:
-    logger = logging.getLogger(__name__)
-    _HAS_STRUCTLOG = False
+logger = get_logger(__name__)
+_HAS_STRUCTLOG = True
 
 
 def _log_info(event: str, **kwargs):
@@ -40,38 +36,16 @@ KEY_PREFIX = "translation:file"
 def _get_default_ttl() -> int:
     """Get TTL from config or default to 60 minutes."""
     try:
-        from config import config
-
         return config.FILE_TTL_MINUTES * 60
     except Exception:
         return 3600  # 60 minutes default
 
 
-_async_redis = None
-
-
 def _get_async_redis():
-    """Return async Redis client or None. Uses REDIS_URL from env."""
-    global _async_redis
-    if _async_redis is not None:
-        return _async_redis if _async_redis is not False else None
+    """Return shared async Redis client from core.redis."""
+    from core.redis import get_async_redis
 
-    # Try to get from environment first
-    url = os.getenv("REDIS_URL", "").strip()
-    if not url:
-        _async_redis = False
-        return None
-
-    try:
-        import redis.asyncio as redis
-
-        _async_redis = redis.Redis.from_url(url, decode_responses=True)
-        _log_info("redis_connected", service="storage_tracker")
-        return _async_redis
-    except Exception as e:
-        _log_error("redis_connection_failed", service="storage_tracker", error=str(e))
-        _async_redis = False
-        return None
+    return get_async_redis()
 
 
 class StorageTracker: