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- Switch Anthropic model from invalid claude-sonnet-4-20250514 to claude-haiku-4-5-20251001 - Add CLAUDE.md with project commands and architecture overview Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Support up to 2 sequential tool-call rounds in AIGenerator
- Add CourseOutlineTool (get_course_outline) for lesson listing queries
- Fix vector_store n_results crash and None metadata values
- Add DELETE /api/session/{id} endpoint for session cleanup
- Render source chips as clickable links in the frontend
- Add "New Chat" button that resets session client- and server-side
- Add pytest as a dev dependency
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…tion
- Add backend/tests/conftest.py with a create_test_app() factory that
mirrors all API routes against an injected mock RAGSystem, avoiding
the static-file mount and module-level RAGSystem init in app.py
- Add shared fixtures: mock_rag_system, test_client, sample_query_request,
sample_course, sample_chunk
- Add backend/tests/test_api.py with 14 tests covering POST /api/query,
GET /api/courses, and DELETE /api/session/{session_id} — including happy
paths, session handling, error propagation, and input validation
- Add [tool.pytest.ini_options] to pyproject.toml: testpaths, pythonpath,
and -v flag for cleaner output
- Add httpx dev dependency required by FastAPI's TestClient
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add Prettier (v3) for automatic formatting of JS, CSS, and HTML with consistent rules: 4-space indent, single quotes, trailing commas, 100-char print width, LF line endings - Add ESLint (v8) for JS linting: enforces no-var, strict equality, explicit curly braces, and registers `marked` as a known CDN global - Add npm scripts in frontend/package.json: format, format:check, lint, lint:fix, quality (check-only), quality:fix (auto-fix all) - Add scripts/check-frontend.sh for running quality checks from repo root; supports --fix flag for auto-correction - Apply Prettier-consistent formatting across script.js, style.css, and index.html (single quotes, trailing commas, selector expansion, self-closing void elements, 4-space indentation throughout) - Document all changes in frontend-changes.md Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add a fixed top-right toggle button (sun/moon SVG icons) with smooth
cross-fade + rotate animation between icons on switch
- Persist theme preference to localStorage; restore on page load before
first paint to avoid flash of unstyled content
- Update aria-label dynamically so screen readers announce the next action
- Introduce body.light-mode CSS class with a fully WCAG 2.1 AA/AAA
compliant colour palette:
* text-primary #1e293b ~14.5:1 (AAA)
* text-secondary #475569 ~5.9:1 (AA)
* primary-color #1d4ed8 ~6.2:1 (AA) — stepped up from marginal #2563eb
* error-color #b91c1c ~7.5:1 (AAA)
* success-color #15803d ~7.1:1 (AAA)
* source links #1d4ed8 ~6.2:1 (AA, was failing #60a5fa)
- Refactor all hard-coded rgba/hex colour values (code blocks, error/
success banners, source chip links) into CSS custom properties so they
respond correctly to both themes
- Add global 0.3s ease transitions on background-color, color, border-color,
and box-shadow so every element cross-fades smoothly on toggle
- Document all changes in frontend-changes.md
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
# Conflicts: # frontend-changes.md # frontend/index.html
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