Centralizes all hardcoded page paths, storage keys, external URLs, and branding into a single uni-app/src/config.js. Fixes trackMarketingEffect sending wrong field names (action/content_preview -> event_type/content) that silently dropped tracking data. Adds notes, estimated_value, next_followup_at to Customer response. Removes '翻译' from bottom tab nav (5 tabs now), adds quick translate card on home page. Makes profile page header color consistent with app theme (#1890ff).
- Admin-configurable AI prompt/quick questions from system_configs DB
- GET /api/v1/ai/quick-questions endpoint for fetching quick questions
- Local FAQ matching for instant responses (avoid AI calls for common Qs)
- AI action extraction: "add customer" intent detected, structured data returned
- Frontend action confirmation card with editable fields, calls customer API on confirm
- NVIDIA provider (stepfun-ai/step-3.5-flash) for faster chat vs deepseek-v4-flash
- Fixed httpx client timeout preventing backend hangs
- Added log_usage calls for auth events (register/login/guest/wechat)
- Admin tabs (users/stats/logs/config) fully functional with real backend
- AiAssistant component added to all tabbar pages