|
| 1 | +# Chat Loader Implementation Summary |
| 2 | + |
| 3 | +## Overview |
| 4 | +Implemented Ctrl+L functionality to load previously saved chat histories back into the AI pane, complementing the existing Ctrl+A save feature. |
| 5 | + |
| 6 | +## Implementation Details |
| 7 | + |
| 8 | +### 1. App Structure Changes (`internal/ui/app.go`) |
| 9 | + |
| 10 | +Added new fields to the App struct: |
| 11 | +- `showChatLoader bool` - Flag to show/hide the chat loader dialog |
| 12 | +- `chatList []string` - List of available chat files for the picker |
| 13 | + |
| 14 | +### 2. Ctrl+L Handler |
| 15 | + |
| 16 | +The handler performs the following steps: |
| 17 | +1. Checks if `.ti/` directory exists |
| 18 | +2. Scans for all `chat-*.md` files |
| 19 | +3. Sorts them newest first (reverse alphabetical order) |
| 20 | +4. Opens the chat loader dialog with the list |
| 21 | +5. Shows status message with count of found chats |
| 22 | + |
| 23 | +### 3. Chat Loader Dialog |
| 24 | + |
| 25 | +Similar to the backup picker, the chat loader provides: |
| 26 | +- Scrollable list of saved chats (up to 15 visible at once) |
| 27 | +- Navigation with `↑↓` or `k/j` keys |
| 28 | +- Selection with `Enter` key |
| 29 | +- Cancel with `Esc` key |
| 30 | +- Centered modal dialog with rounded border |
| 31 | + |
| 32 | +### 4. Chat History Parser (`loadChatHistory` method) |
| 33 | + |
| 34 | +The parser: |
| 35 | +1. Clears existing chat history |
| 36 | +2. Parses the markdown file line by line |
| 37 | +3. Identifies role lines (starting with "user " or "assistant ") |
| 38 | +4. Extracts timestamps in HH:MM:SS format |
| 39 | +5. Accumulates message content until next role line |
| 40 | +6. Creates ChatMessage objects with proper timestamps |
| 41 | +7. Adds messages to the AI pane's message list |
| 42 | +8. Extracts code blocks from loaded messages |
| 43 | +9. Scrolls to bottom of chat |
| 44 | + |
| 45 | +### 5. File Format Support |
| 46 | + |
| 47 | +The parser handles the format created by Ctrl+A: |
| 48 | +``` |
| 49 | +role timestamp |
| 50 | +content line 1 |
| 51 | +content line 2 |
| 52 | +
|
| 53 | +role timestamp |
| 54 | +content |
| 55 | +``` |
| 56 | + |
| 57 | +### 6. UI Updates |
| 58 | + |
| 59 | +Updated the AI pane title bar to show: |
| 60 | +``` |
| 61 | +AI Responses (02) [Gemini] | Ctrl+Y: Code | Ctrl+A: Save | Ctrl+L: Load | ↑↓: Scroll | Ctrl+T: New |
| 62 | +``` |
| 63 | + |
| 64 | +### 7. Help System Updates |
| 65 | + |
| 66 | +Updated help text in: |
| 67 | +- `internal/ui/help.go` - Main help dialog |
| 68 | +- `internal/ui/app.go` - Inline help text |
| 69 | +- `README.md` - Keyboard shortcuts table |
| 70 | + |
| 71 | +## User Workflow |
| 72 | + |
| 73 | +### Saving a Chat |
| 74 | +1. User has conversation with AI |
| 75 | +2. Presses `Ctrl+A` |
| 76 | +3. Chat saved to `.ti/chat-YYYY-MM-DD-HH-MM-SS-query.md` |
| 77 | +4. File opens in editor |
| 78 | + |
| 79 | +### Loading a Chat |
| 80 | +1. User presses `Ctrl+L` (works anytime, especially after `Ctrl+T` clear) |
| 81 | +2. Dialog shows list of saved chats |
| 82 | +3. User navigates with arrow keys |
| 83 | +4. User presses `Enter` to load |
| 84 | +5. Chat history loads into AI pane |
| 85 | +6. Focus switches to AI pane |
| 86 | +7. User can continue the conversation |
| 87 | + |
| 88 | +## Benefits |
| 89 | + |
| 90 | +- **Conversation Continuity**: Resume previous discussions seamlessly |
| 91 | +- **Knowledge Base**: Build a searchable archive of AI interactions |
| 92 | +- **Learning Tool**: Review past solutions and explanations |
| 93 | +- **Workflow Efficiency**: Quick access to previous work |
| 94 | +- **No Data Loss**: All conversations can be preserved and recalled |
| 95 | + |
| 96 | +## Technical Considerations |
| 97 | + |
| 98 | +### Timestamp Handling |
| 99 | +- Saved timestamps are in HH:MM:SS format only |
| 100 | +- On load, timestamps are reconstructed using today's date |
| 101 | +- This is acceptable since the date is in the filename |
| 102 | + |
| 103 | +### Error Handling |
| 104 | +- Gracefully handles missing `.ti/` directory |
| 105 | +- Reports errors if files can't be read |
| 106 | +- Validates file format during parsing |
| 107 | +- Falls back to current time if timestamp parsing fails |
| 108 | + |
| 109 | +### Performance |
| 110 | +- Efficient file scanning with `os.ReadDir` |
| 111 | +- Minimal memory footprint (only loads selected chat) |
| 112 | +- Fast parsing with string operations |
| 113 | + |
| 114 | +## Future Enhancements |
| 115 | + |
| 116 | +Potential improvements: |
| 117 | +- Search/filter chats by content |
| 118 | +- Delete chats from the loader dialog |
| 119 | +- Export chats to other formats |
| 120 | +- Merge multiple chats |
| 121 | +- Chat statistics and analytics |
| 122 | +- Tag/categorize chats |
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