v0.2.1

Release v0.2.1

🚀 Features

• cache-analyzer: Add cache analysis tool with system prompt extraction and enhanced diff reporting
• cache-analyzer, turn-agent: Add cache analysis tool and merge assistant middleware
• observability: Add OpenTelemetry tracing and structured logging across server
• agent: Implement prompt message persistence and static tool registration

🔧 Fixes

• handler/rpc: Set user message streaming status to completed on creation
• eino-agent: Normalize empty/null tool arguments before execution
• protocol: Update generated model comments to match actual behavior
• agent, turn-agent: Resolve message structure mismatch and tool result duplication
• agent: Normalize empty tool arguments to prevent cache invalidation
• agent: Persist tool parse errors to DB for cache consistency
• agent: Read tool output from message table on RTC resume
• rpc: Compact JSON result to preserve key order
• cache-analyzer: Remove duplicate template loading
• agent: Fix prompt injection order and tool_calls merge
• rtc-queue: Prevent distributed lock race with credential-aware ReleaseSession
• rtc-queue, turn-agent: Add trace context to all worker and turn-agent logs
• agent: Reload messages on checkpoint resume and improve sub-agent notification
• loop: Start completed_turns at 0 for accurate counting
• loop: Fix stale history, cross-instance tool loss, and missing tool logs

🔄 Refactoring

• agent: Reorganize prompt system and add edit tool
• agent: Move TodoList from attachment to tool_result persistence
• agent, cache-analyzer: Improve workflow and diff report formatting
• turn-agent: Normalize tool call ordering for cache consistency
• cache-analyzer: Use go:embed for HTML templates
• agent: Return friendly text instead of JSON from createLoop tool
• agent: Rename tools to camelCase and add sendMessageToSubAgent
• loop: Simplify scheduling with idempotent task IDs and fix distributed OnTurnComplete
• agent: Extract toolName helper to eliminate redundant Info() calls

🧪 Testing

• agent: Add comprehensive tests and fix nil tracer panic

🎨 Style

• agent: Fix gofmt alignment in microcompact_extra_test.go

📦 Chores

• reviews: Move review reports to .claude repo

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Full Changelog: v0.2.0...v0.2.1