update docs.

docs/design/imap-connectivity.md

@@ -12,12 +12,25 @@ This document outlines the design for implementing IMAP connectivity in the Emai
 - **Folder Management**: Basic folder CRUD operations exist
 - **UI Framework**: Uses htmx, AlpineJS, and DaisyUI for dynamic interfaces
 - **Database**: PostgreSQL with SQLAlchemy ORM
+- **IMAP Service**: Implemented in [`app/imap_service.py`](app/imap_service.py:11)
+- **Processed Emails Service**: Implemented in [`app/processed_emails_service.py`](app/processed_emails_service.py:7)
+- **Blueprint Structure**: Modular blueprints for folders, IMAP, and emails
 
-### Gaps
-- No IMAP connection handling logic
-- No IMAP configuration UI
-- No folder synchronization from IMAP server
-- No IMAP testing functionality
+### Current Implementation Status
+- IMAP connection handling logic fully implemented
+- IMAP configuration UI operational via modal dialogs
+- Folder synchronization from IMAP server functional
+- IMAP testing functionality complete
+- Email processing status tracking operational
+- Two-step sync process (connection test + folder selection) implemented
+
+### IMAP Service Architecture
+The IMAP service provides:
+- Connection management and authentication
+- Folder listing and synchronization
+- Email retrieval and metadata extraction
+- Connection testing and validation
+- Email UID tracking for processed emails
 
 ## System Architecture
 
@@ -83,11 +96,17 @@ sequenceDiagram
 
 ## Performance Considerations
 
-1. **Connection Pooling**: Each operation creates a new connection to avoid state issues.
+1. **Connection Management**: Each operation creates a new connection to avoid state issues.
+   - Connection timeout handling prevents hanging operations
+   - Proper cleanup of failed connections to avoid resource leaks
 
-2. **Timeout Handling**: Connection timeouts are configurable to prevent hanging.
+2. **Email Processing**: Batch operations for processing multiple emails efficiently
+   - Bulk operations for marking emails as processed
+   - Efficient database queries with proper indexing
 
-3. **Error Recovery**: Failed connections are properly cleaned up to avoid resource leaks.
+3. **Folder Synchronization**: Optimized folder listing and email count updates
+   - Deduplication of folder names to prevent duplicate entries
+   - Efficient updates to folder metadata and email counts
 
 ## Error Handling Strategy
 
@@ -99,10 +118,37 @@ sequenceDiagram
 
 4. **Logging**: All errors are logged to the console for debugging.
 
+## Current Implementation Status
+
+### Fully Implemented Features
+- IMAP configuration modal with form validation
+- Connection testing with detailed error messages
+- Two-step sync process (connection test + folder selection)
+- Folder type assignment during sync
+- Email processing status tracking
+- Pending email counts and management
+- HTMX-based UI updates
+- Error handling and user feedback
+
+### UI Components
+- IMAP configuration modal ([`app/templates/partials/imap_config_modal.html`](app/templates/partials/imap_config_modal.html:1))
+- Folder selection modal ([`app/templates/partials/folder_selection_modal.html`](app/templates/partials/folder_selection_modal.html:1))
+- Pending emails dialog ([`app/templates/partials/pending_emails_dialog.html`](app/templates/partials/pending_emails_dialog.html:1))
+- Loading states and error messages
+
+### API Endpoints
+- `/api/imap/config`: GET/POST - IMAP configuration modal
+- `/api/imap/test`: POST - Test IMAP connection
+- `/api/imap/sync`: POST - Legacy sync endpoint
+- `/api/imap/sync-selected`: POST - New sync endpoint with folder selection
+- `/api/folders/<id>/pending-emails`: GET - Get pending emails for a folder
+- `/api/folders/<id>/emails/<uid>/process`: POST - Mark email as processed
+
 ## Success Metrics
 
 1. **Functional**: Users can configure IMAP connections, test them, and sync folders successfully.
 2. **Usability**: The UI is intuitive and provides clear feedback for all operations.
 3. **Reliability**: IMAP connections are stable and handle various server configurations.
 4. **Performance**: Folder synchronization completes in reasonable time.
-5. **Security**: User credentials are handled securely.
+5. **Security**: User credentials are handled securely.
+6. **Email Tracking**: Accurate pending email counts and processing status.