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Author SHA1 Message Date
Claude 9fdbe341be feat(chat): implement web chat interface with accessibility 
Core implementation:
- chat_app.py: Chainlit entry point with @cl.on_chat_start,
  @cl.on_message (streaming via llm.stream_complete), @cl.on_chat_end
  Reuses Config, KnowledgeBase, ConversationStore, AdminNotifier from src/
  Handles registration completion, post-completion updates, new-child flow

- src/llm.py: add stream_complete() generator (litellm stream=True)
  alongside existing complete(); tests added in tests/test_llm.py

- src/agent/response_parser.py: extract parse_llm_response(),
  apply_updates(), fallback_message() from EmailAgent into shared module
  EmailAgent now delegates to these functions (no logic change)

Chainlit configuration:
- chainlit.toml: telemetry off, German default, custom CSS + JS paths
- chainlit.md: German welcome page with playgroup info

Accessibility (WCAG 2.1 AA):
- public/custom.css: contrast overrides (≥4.5:1), prefers-reduced-motion
  (static "…" replaces animated dots), skip link styles, 100dvh fix
- public/accessibility.js: MutationObserver injects aria-live="polite"
  on message list, focus management after agent replies, skip link element

Other:
- .gitignore: add .chainlit/ (Chainlit runtime, auto-generated)
- openspec/config.yaml: populate context field with tech stack
- openspec/changes/implement-web-chat/tasks.md: mark completed tasks

95 tests pass.

https://claude.ai/code/session_01SUWzMzFvSfWiHXA2p6rPg9
 2026-02-22 07:42:29 +00:00
Claude 08bee013f9 docs(opsx/implement-web-chat): revise tasks to match existing ecosystem 
Key corrections from codebase analysis:
- Use `uv add chainlit` (not requirements.txt) — project already uses uv+pyproject.toml
- Remove .env.example task — file already exists with full config
- Add task to extend src/llm.py with stream_complete() using litellm streaming
  instead of calling Anthropic SDK directly
- Reuse existing src/ modules directly in chat_app.py:
  Config, KnowledgeBase, ConversationStore, AdminNotifier, prompts.py
- chat_app.py lives at project root (parallel to main.py), not in a new app/ dir
- Parse LLM response with existing _parse_llm_response logic from core.py
- Session state stored in cl.user_session, keyed by Chainlit session ID

https://claude.ai/code/session_01SUWzMzFvSfWiHXA2p6rPg9
 2026-02-22 07:20:18 +00:00
Claude da0e6823f0 docs(openspec): add tasks for implement-web-chat change 
35 implementation tasks across 9 groups:
1. Project setup (requirements.txt, .env, chainlit.toml, dirs)
2. Chainlit app shell (on_chat_start, on_message, welcome message)
3. Accessibility CSS (contrast overrides, reduced-motion, skip link, dvh)
4. Agent core stub (process_message, session state wiring)
5. ARIA and focus management (live region, post-reply focus move)
6. Session management (refresh persistence, disconnect message)
7. Mobile testing (iOS Safari, Android Chrome, landscape)
8. Accessibility verification (axe-core, keyboard, VoiceOver, motion)
9. Final integration check

https://claude.ai/code/session_01SUWzMzFvSfWiHXA2p6rPg9
 2026-02-22 05:21:23 +00:00
Claude b0ebd40302 docs(openspec): add chat-interface spec for implement-web-chat change 
MODIFIED spec extending the scoping-phase chat-interface requirements with:
- WCAG 2.1 AA compliance (automated + manual screen reader)
- Full keyboard navigation and no keyboard traps
- Skip-to-content link
- ARIA live regions for agent messages (polite, completed only)
- Focus management after agent reply
- Colour contrast ≥ 4.5:1 (normal text), ≥ 3:1 (large text)
- prefers-reduced-motion: static indicator fallback
- Mobile viewport / virtual keyboard visibility
- Session persistence and graceful disconnect notification
- Chainlit implementation constraints and telemetry-off requirement

https://claude.ai/code/session_01SUWzMzFvSfWiHXA2p6rPg9
 2026-02-22 05:18:43 +00:00
Claude cb78b90332 docs(openspec): add design for implement-web-chat change 
Selects Chainlit as the chat UI library (AI-native, Python, handles
WebSocket/streaming/session out of the box). Establishes Python as the
project language. Documents accessibility gap mitigations (ARIA live
regions, focus management, reduced-motion, contrast overrides). Defines
project layout and Chainlit configuration.

https://claude.ai/code/session_01SUWzMzFvSfWiHXA2p6rPg9
 2026-02-22 05:15:25 +00:00
Claude eb2b69557e docs(openspec): add proposal for implement-web-chat change 
Defines why the web chat is being built now, what changes (chat-interface
capability moving from spec to implementation), and adds accessibility as
a first-class requirement (WCAG 2.1 AA, keyboard nav, ARIA live regions).

https://claude.ai/code/session_01SUWzMzFvSfWiHXA2p6rPg9
 2026-02-22 05:12:17 +00:00
Claude 3b32652d3e chore: scaffold implement-web-chat OpenSpec change 
Creates the change directory for the web chat implementation with
.openspec.yaml metadata. First artifact (proposal.md) is pending.

https://claude.ai/code/session_01SUWzMzFvSfWiHXA2p6rPg9
 2026-02-22 05:10:29 +00:00