2 Commits

Author	SHA1	Message	Date
ZhenYi	8a6ec1f62f	fix(billing): add transaction isolation and fix race conditions ... Critical fixes: - Wrap balance updates in database transactions with SELECT FOR UPDATE - Move history insert after balance validation to prevent orphaned records - Use Decimal throughout to avoid silent conversion failures - Prevent concurrent requests from causing negative balances Tasks resolved: - Task #4: Silent Decimal conversion failures - Task #5: Missing transaction isolation (race conditions) - Task #6: History inserted before validation	2026-04-28 10:12:24 +08:00
ZhenYi	10c0cc007b	refactor(agent): split into submodules and add Qdrant embedding ... - Split agent crate into client/, model/, agent/ subdirs - Add billing.rs for token usage recording - Add sync.rs for upstream model sync - EmbedService: Qdrant-backed vector memory for semantic search - ChatService: wire EmbedService for memory lookup, passive skill awareness - ReAct loop: streamline with tokio::select! and proper error handling	2026-04-25 20:09:33 +08:00