## Major Features Added:
### 🕒 Session Time Limits (2hr → 30min)
- Updated ChatSession model: expires_at, extend_session methods
- Changed session creation and extension logic
- Updated JavaScript timing calculations
- Fixed timing indicator functionality with real-time server data
### 💬 Message Limits (50 → 20)
- Added message_limit field to Agent model with migration
- Implemented auto-completion when message limit reached
- Only count user messages (not agent responses) toward limit
- Enhanced error messaging for limit exceeded
### 📥 Chat Download System
- Added PDF and TXT export functionality using ReportLab
- Download buttons in chat header for active sessions
- Comprehensive export with session metadata and formatting
- New API endpoints: /agents/api/chat/export/{session_id}/
### 📋 Previous Sessions Management
- Created Previous Sessions widget showing last 5 non-active sessions
- Download access for all completed sessions with messages
- Session status indicators (✅ Completed, ⏰ Expired, ❌ Abandoned)
- Clean sidebar organization with session history
### 🎨 UI/UX Improvements
- Moved session info from main chat to sidebar for cleaner interface
- Increased chat height: 600px → 800px (mobile: 500px → 650px)
- Added Current Session widget with status, ID, and start time
- Enhanced sidebar layout with proper component stacking
- Responsive design with mobile optimizations
### 🔧 Session Indicators System
- Real-time session status API with server-side data
- Progress bars for time remaining and message usage
- Warning notifications for approaching limits
- Automatic updates every 30 seconds
### 💰 Payment Flow Fixes
- Fixed charging system to actually deduct wallet balance
- Each new session charges 15 AED for 20 messages + 30 minutes
- Proper error handling for insufficient balance
- Session cleanup on payment failures
## Technical Implementation:
**Backend Changes:**
- Enhanced ChatSession model with 30-minute duration
- Message counting logic (user messages only)
- Auto-completion on limit reached
- Session status API endpoint
- PDF/TXT export with ReportLab
**Frontend Changes:**
- Comprehensive sidebar widget system
- Real-time indicator updates with server sync
- Download functionality with loading states
- Session history display with status icons
- Responsive layout improvements
**Database:**
- Added message_limit field to Agent model
- Updated ChatSession expiration logic
- Efficient queries for session history
## User Experience:
✅ Clear session limits (20 messages, 30 minutes)
✅ Automatic session completion with preserved history
✅ Easy download access for all previous sessions
✅ Transparent pricing (15 AED per session)
✅ Clean, organized interface with more chat space
✅ Real-time feedback on session progress
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
