V4.26.5

What's Changed

• feat(platform): 支持扫码创建时自定义机器人ID (#9067) (9f50c900b)
• fix: enable only synced ModelScope MCP servers (#9084) (89b80a6ca)
• feat: add ChatUI project workspaces (#9066) (e7d5be632)
• fix: Improve MCP client startup and shutdown handling to prevent idle spinning when a server is disabled and ensure proper cleanup on errors, timeouts, and cancellation (#9070) (3ce66576f)
• fix(kb): replace fragile error string matching with pre-check for duplicate kb_name (#9121) (aecee6fc9)
• fix(kb): improve retrieval resilience on per-KB failure and rerank selection (#9122) (468eea99c)
• fix(kb): clean up KBMedia records on document delete, fix update_kb_stats (#9120) (e2f3b0008)
• fix: align knowledge base CRUD API contract with kb_name, canonical payload fields, and matching OpenAPI types (#9000) (ea9e3421d)
• fix: constrain custom workspace paths (6d798908a)
• fix(core): improve web search API key failover (8a31cf01f)
• fix: preserve absolute custom workspace paths (20008f179)
• feat: improve ChatUI attachment display (#9134) (b43cc6dee)
• fix: enforce ownership when reading ChatUI sessions (#9141) (041fba4df)
• fix: secure project update temp staging (#9083) (30426c4f6)
• fix: qq_official websocket适配器发送消息收到None时现在会重试了 (#8977) (#8979) (cc0b34750)
• fix: adapt MiMo STT to V2.5 models and reject non-WAV audio payloads (#9118) (c9eed7b65)
• feat: add note on cross-platform compatibility and Python version support (85b653b6f)
• test: cover POSIX file URI root preservation (#8906) (3b8caf37e)
• feat: add sanitation for malformed tool call names in ToolLoopAgentRunner (#9144) (25cbd41e0)
• feat: show model metadata in selectors (6627fd53c)
• fix: keep model metadata separate from providers (#9161) (18e067fab)
• fix: serialize webchat history timestamps as UTC-aware ISO strings (#9159) (56326c755)
• feat: add chat token usage indicator (ab2502c17)
• fix(webui): sync plugin activation status on enable (#9156) (ba7f8ebfb)
• fix: preserve qq official quoted message context (#9164) (4166d9ab5)
• fix: exit MCP anyio contexts in the lifecycle task on disable (#9132) (afb007911)
• fix(mcp): attempt to fix epoll busy-wait caused by leaked SSE exit stack (#8307) (56f253395)
• fix: remove qq official reply id on proactive fallback so oversized passive replies can succeed via proactive sending (#9169) (2a7c02af8)
• feat: add event loop diagnostics (#9168) (0dee40bd9)
• docs: add diagnostics guide (0a5d6485a)
• chore: log event loop watchdog startup at info (510e83369)
• docs: broaden diagnostics guide (1124dfe29)
• style: polish snackbar appearance (#9173) (bf18fadbe)