- Delete agent-builder-integration.ts, workflow-store.ts, prompts.ts (~1400줄) - Add move_file tool + sidebar file ops (right-click menu, inline rename, drag-drop, new folder) - Loop detection: read-only tools block at 2 repeats; planText capped at 12000 chars (fix 413) - Route proj-gen-*/proj-plan-* to handleCodeChat; remove duplicate codeAiSystemPrompt from handleChat Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>