- Update go.mod and Dockerfile to Go 1.26
- Apply `go fix ./...` stdlib modernizations across 170+ files
- Add `go fix` to post-implementation checklist in CLAUDE.md
- Fix go fix misapplied rewrite in loop_history.go
- Add persistent media storage (internal/media/) replacing temp file deletion
- Add MediaRef type for lightweight media references in session messages
- Refactor media pipeline to use bus.MediaFile{Path, MimeType} across all channels
- Add read_document builtin tool for PDF/DOCX/XLSX analysis via Gemini native API
- Move image sanitization from Telegram to shared agent/media layer
- Add media reload for multi-turn conversations (images from last 5 messages)
- Add reply-to-message media resolution for Telegram (re-download on reply)
- Add media inventory to compaction summary to preserve awareness after truncation
- Fix coreToolSummaries for read_image, read_document, create_image tools
- Add real-time trace update events via WebSocket broadcast
- Improve trace detail UI with media refs and tool result display
viettranx