update project context for checkpoint

PROJECT_CONTEXT.md

@@ -529,3 +529,45 @@ These tasks aim to further refine the application's functionality and user exper
   - **Step 4: Verification in Firefly III:** Manually checked the Firefly III instance and verified that the newly created transaction now has the correct PDF receipt attached to it.
 
 - **Current Status:** The core feature of submitting a transaction and attaching the corresponding PDF receipt is now fully implemented and working correctly.
+
+## [2025-09-18 11:39] - Update Item Quantity to Support Double Values
+
+- **Feature Enhancement:** Modified the `ReceiptItem` model to support double values for quantities instead of only integers.
+- **Changes Made:**
+  - Updated `quantity` property in `ReceiptItem` model from `int` to `double`
+  - Modified the quantity input validation in `AddItemScreen` to accept decimal values using `double.tryParse()` instead of `int.tryParse()`
+  - Updated the quantity display and calculation logic to handle decimal quantities properly
+- **Impact:** This allows for more flexible item management, supporting scenarios like 0.5 kg of vegetables, 1.25 liters of liquid, etc.
+- **Co-authored-by:** Qwen-Coder <qwen-coder@alibabacloud.com>
+
+## [2025-11-08 12:15] - Implement Receipt Caching and Offline Submission
+
+- **New Feature:** Added offline capability to cache receipts locally and submit them when the FireFly III server becomes available.
+- **Key Changes:**
+  - Enhanced `LocalReceiptService` to store receipts with submission status tracking
+ - Added `fireflyTransactionId` and `fireflyTransactionUrl` properties to `LocalReceipt` model to store transaction references
+  - Implemented automatic retry mechanism for failed submissions when network connectivity is restored
+ - Added server availability checking before attempting to submit transactions
+  - Modified `ReceiptService` to handle both online and offline submission scenarios
+- **Benefits:** Users can continue working even when the FireFly III server is temporarily unavailable, with transactions being queued and submitted automatically when connectivity is restored.
+
+## [2025-11-08 13:38] - Add Swipe-to-Delete and WebView Transaction Features
+
+- **Enhanced Local Receipts Screen:**
+  - **Swipe-to-Delete:** Implemented `Dismissible` widget in `LocalReceiptsScreen` to allow users to swipe right-to-left to delete receipts
+  - **Visual Feedback:** Added red background with delete icon during swipe action for clear user feedback
+  - **Confirmation:** Integrated with existing delete confirmation logic for safety
+
+- **FireFly III Transaction WebView Integration:**
+  - **New Model Property:** Added `fireflyTransactionUrl` to `LocalReceipt` model to store the URL of the transaction in FireFly III
+  - **WebView Screen:** Created `WebViewScreen` widget to display FireFly III transactions within the app
+  - **Navigation:** Added tap functionality on receipt items in `LocalReceiptsScreen` to open the corresponding FireFly III transaction in WebView
+  - **URL Construction:** Implemented proper URL generation for FireFly III transaction viewing: `'$baseUrl/transactions/show/$transactionId'`
+
+- **Improved Currency Formatting:**
+  - Enhanced currency formatting in `LocalReceiptsScreen` to properly handle Rupiah formatting without removing decimal places when necessary
+  - Maintained `.00` suffix only when required for proper currency display
+
+- **Enhanced ReceiptService:**
+  - Updated `submitReceiptToFirefly` method to save the transaction ID and URL back to the local receipt after successful submission
+  - Added proper error handling and transaction reference updates during the submission process