Clean State Checklist -- Project 03

Build Verification

• [x] npm install completes without errors
• [x] npm run check passes with zero TypeScript errors
• [x] npm run build produces dist/ output

Feature Verification

• [x] Window launches with correct dimensions and dark theme
• [x] Document list shows imported documents with empty state
• [x] Import button opens file picker, imports .txt and .md files
• [x] Document detail shows metadata: title, filename, size, import date, word count, line count, file type
• [x] "View Content" button loads and displays full document text
• [x] "Show Chunks" button displays chunked content with metadata
• [x] "Index Document" button triggers chunking and updates status
• [x] StatusBar shows index status with color-coded indicator
• [x] StatusBar shows indexed document count and total chunk count
• [x] Question panel accepts questions and returns answers
• [x] Answers include citations with document title, chunk index, and excerpt
• [x] Answers include confidence scores (0.85 with citations, 0.30 without)
• [x] Documents persist across app restarts
• [x] Delete button removes document and associated data

Scope Control Verification

• [x] feature_list.json shows all features at "pass"
• [x] Each feature has evidence describing what was implemented
• [x] No feature has status "fail" or "not-started"
• [x] AGENTS.md contains one-feature-at-a-time policy
• [x] Feature dependencies are documented and respected

Code Quality

• [x] No any types without explanatory comments
• [x] All exports are named exports
• [x] IPC channels defined in src/shared/types.ts only
• [x] Renderer never imports Node.js modules
• [x] Services never import renderer code
• [x] All new files follow existing conventions

Documentation

• [x] docs/ARCHITECTURE.md updated with chunking pipeline and Q&A flow
• [x] docs/PRODUCT.md updated with new features
• [x] session-handoff.md filled out
• [x] claude-progress.md has session logs