Initial commit: Vera-AI v2 with async Qdrant, singleton pattern, monthly curation, and configurable UID/GID/TZ

Features:
- AsyncQdrantClient for non-blocking Qdrant operations
- Singleton pattern for QdrantService
- Monthly full curation (day 1 at 03:00)
- Configurable UID/GID for Docker
- Timezone support via TZ env var
- Configurable log directory (VERA_LOG_DIR)
- Volume mounts for config/, prompts/, logs/
- Standard Docker format with .env file

Fixes:
- Removed unused system_token_budget
- Added semantic_score_threshold config
- Fixed streaming response handling
- Python-based healthcheck (no curl dependency)

requirements.txt

@@ -0,0 +1,8 @@
+fastapi>=0.104.0
+uvicorn[standard]>=0.24.0
+httpx>=0.25.0
+qdrant-client>=1.6.0
+ollama>=0.1.0
+toml>=0.10.2
+tiktoken>=0.5.0
+apscheduler>=3.10.0