Add GET /tools/environment endpoint that fetches weather, forecast, sun times, and air quality data from user's volatile Qdrant collection. - Add qdrant-client dependency - Create QdrantReadClient wrapper for read-only queries - Add environment schemas and service in tools domain - Parse weather, forecast, sun times, and air quality from Qdrant payloads - Support user-specific collections via preferred_username from OIDC - Add comprehensive service tests (13 tests) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>