# Session Summary: Tool Display, Timeouts, & Database Migration

## Problems Solved

### 1. Agent Stopping After One Tool Call
**Symptom**: Agent would execute one tool and stop, not continuing with more tools or text response.

**Root Causes**:
- UI timeout: 60 seconds (too short)
- Backend stopWhen: defaulting to 1 step
- Context management issues

**Fixes**:
- ✅ UI timeout: 60s → 300s (5 minutes)
- ✅ Backend stopWhen: 1 step → 100 steps
- ✅ Backend timeout: Added 5 minute safety timeout
- ✅ Debug logging for context size and tool results

### 2. Thinking/Tool Cards Missing in History
**Symptom**: After reload, chat history showed only text - no thinking or tool call cards.

**Root Cause**: Database schema missing columns!
- `thinking` column didn't exist
- `tool_calls` column didn't exist
- `error` and `incomplete` columns didn't exist

**Fixes**:
- ✅ Added 4 new columns to messages table
- ✅ Automatic migration on startup (ALTER TABLE if missing)
- ✅ Updated save logic to store all metadata
- ✅ Updated load logic to read and parse metadata
- ✅ UI mapping to display thinking/toolCalls

### 3. No Tab Selected on App Open
**Symptom**: User reported "no tab selected" message on app relaunch.

**Investigation**: Logs showed `activeTabId` WAS being persisted correctly!

**Status**: ✅ Already working (may have been user perception or brief flash)

**Added**: More logging to track tab restoration flow

### 4. Messages Not Showing Until Tab Switch
**Symptom**: Need to switch tabs then come back to see messages.

**Root Cause**: SQLite error `no such column: thinking` prevented message loading!

**Fix**: Same migration fix resolves this issue

### 5. Liquid Glass Loading Indicator
**Symptom**: Hourglass emoji ⏳ didn't match design aesthetic.

**Fix**: Created custom pulsing glass dot with:
- Glass gradient background
- Multi-layer glow effects
- Smooth 1.5s pulse animation
- Matches liquid glass design system

---

## Files Changed

### Backend
1. `src/gateway/services/storage/LocalStorageProvider.ts`
   - Added 4 columns to schema
   - Added migration logic (lines 98-137)
   - Updated saveMessage to save metadata
   - Updated loadMessages to read metadata

2. `src/gateway/services/AgentService.ts`
   - Added context size logging
   - Added tool result size logging
   - Fixed TypeScript issue with truncation

### Frontend
3. `ui/src/lib/gateway.ts`
   - Timeout: 60s → 300s (line 205-210)

4. `ui/hooks/useChat.ts`
   - Added logging for message loading
   - Maps thinking/toolCalls from backend

5. `ui/hooks/useAgent.ts`
   - Already had mapping logic (unchanged)

6. `ui/components/Chat/ChatContainer.tsx`
   - Added logging for message state
   - Moved console.log outside selector (fix runtime error)

7. `ui/components/Chat/ExploringCard.tsx`
   - Replaced emoji with liquid glass dot
   - Added status indicators

8. `ui/components/Chat/ExploringCard.css`
   - Added liquidPulse animation
   - Added glass styling for loading dot

9. `ui/App.tsx`
   - Added logging for tab restoration

---

## Documentation Created

1. `CONTEXT_EXCEEDED_ANALYSIS.md` - Deep dive into context issues
2. `CONTEXT_ISSUE_EXPLAINED.md` - User-friendly explanation
3. `TIMEOUT_FIX.md` - UI timeout fix details
4. `TOOL_STATUS_INDICATORS.md` - Visual status design
5. `CHAT_HISTORY_FIX.md` - Database schema fix
6. `DATABASE_MIGRATION.md` - Migration strategy
7. `ALL_THREE_ISSUES_FIXED.md` - Combined overview
8. `TESTING_PLAN.md` - Comprehensive test checklist
9. `QUICK_REFERENCE.md` - Quick summary

---

## Technical Details

### Model Context Limits
- Claude Sonnet 4.5: **200,000 tokens** (default model)
- Claude Sonnet 4: 1M tokens (with beta header)
- GPT-5.2: Unknown (likely 128K-200K)

### V2 Context Management
- System prompt: ~2,256 tokens (9024 chars)
- Tool schemas: ~8,000 tokens
- Compaction trigger: 100K tokens
- Tool result limit: 100K chars (~25K tokens)

### Comparison
| Feature | V1 | V2 |
|---------|----|----|
| Model | Claude Sonnet 4.5 | Claude Sonnet 4.5 |
| Context | 200K | 200K |
| Compaction | Manual | Automatic |
| Max Steps | Unknown | 100 |
| Timeout | Unknown | 5 minutes |
| Tool Truncation | Unknown | 100K chars |

---

## What Happens on Next Restart

### Backend (Terminal)
```
[Gateway] Paprwork V2 Gateway starting...
[LocalStorage] Initializing database...
[LocalStorage] Messages table columns: ['id', 'chat_id', 'role', ...]
[LocalStorage] Adding "thinking" column to messages table...
[LocalStorage] Adding "tool_calls" column to messages table...
[LocalStorage] Adding "error" column to messages table...
[LocalStorage] Adding "incomplete" column to messages table...
[LocalStorage] Database migration complete
✓ AgentService initialized
  Storage mode: local
  Tools loaded: 5
  System prompt: 9024 characters
[Gateway] Gateway server ready: http://localhost:18789
```

### Frontend (Browser Console)
```
[Gateway] Connected
[App] ✅ Tab store already hydrated
[App] activeTabId: chat-9c36d1b2-0e64-4909-8dcf-883ae106dfbd
[App.useEffect] ✅ Active tab already persisted: chat-9c36d1b2...
[useChat.useEffect] Active chat changed to: 9c36d1b2...
[useChat.useEffect] 🔄 Loading messages for 9c36d1b2...
[LocalStorage] Loaded 5 messages for chat 9c36d1b2...
  Message 0: role=user, hasThinking=false, hasToolCalls=false
  Message 1: role=assistant, hasThinking=false, hasToolCalls=false
  Message 2: role=user, hasThinking=false, hasToolCalls=false
  Message 3: role=assistant, hasThinking=false, hasToolCalls=false
  Message 4: role=user, hasThinking=false, hasToolCalls=false
[ChatContainer] messageCount: 5
```

**Note**: Old messages show `hasThinking=false` because they were saved before migration (NULL values). This is expected and OK!

### When You Send a New Message
```
[useAgent.sendMessage] Message: test message
[AgentService] Context breakdown:
  Messages: 7 messages, ~12000 tokens
  Tools: 5 tools, ~8000 tokens
  Total: ~20000 tokens
[AgentService] Received chunk type: reasoning-delta
[AgentService] Received chunk type: tool-call
[AgentService] Tool bash raw result: 500 chars
[AgentService] After truncation: 500 chars
[AgentService] Received chunk type: tool-result
[AgentService] Received chunk type: text-delta
[AgentService] Received chunk type: finish
[LocalStorage] Saving message to chat xxx:
  hasThinking: true    ← NEW messages save correctly!
  hasToolCalls: true
```

---

## Success Metrics

After restart, you should see:

1. ✅ **Clean startup** - No SQLite errors
2. ✅ **Tab restored** - Active tab selected automatically
3. ✅ **Messages load** - Chat history appears immediately
4. ✅ **Thinking persists** - ThinkingCard shows in reloaded chats
5. ✅ **Tools persist** - ExploringCard shows in reloaded chats
6. ✅ **Beautiful UI** - Liquid glass pulsing dot (not emoji)
7. ✅ **Multi-step workflows** - Agent continues beyond first tool call
8. ✅ **No timeouts** - 5 minute timeout handles long operations

---

## Summary

**Total Changes**: 9 files modified  
**Build Status**: ✅ Success (no errors)  
**Migration**: ✅ Automatic (safe for old DBs)  
**Backward Compat**: ✅ Old messages still work  
**New Features**: ✅ Full thinking/tool history  

**Next**: Restart and verify! 🚀
