Implement receipt import/preview logic

[DrunkOnJava]

Summary

• enable email and camera import logic
• implement saving in receipt preview view model
• add unit tests for import and preview flows

Testing

• swift test (fails: Foundation headers missing)

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https://chatgpt.com/codex/tasks/task_e_686d605245a883258fafdbfbb99fdeb5

[DrunkOnJava]

Technical Review: PR #22 - Receipt Import/Preview Logic

Overview

This PR implements receipt import and preview functionality, enabling email and camera import logic with comprehensive saving capabilities in the preview view model.

Positive Changes ✅

• Complete import flow: Both email and camera receipt import capabilities
• Comprehensive testing: 162 lines of new test coverage for import and preview flows
• Clean architecture: Well-structured ViewModels following MVVM pattern
• Enhanced functionality: Proper saving logic in receipt preview
• Focused scope: Limited to Receipts module, avoiding unnecessary coupling

Blocking Issues ❌

1. Foundation Framework Compilation Errors

• Test failures: Foundation headers missing
• Same Foundation framework issues affecting multiple PRs
• Critical: Core framework dependency resolution needed

2. CI/CD Pipeline Failures

• SwiftLint failures (code style violations)
• SwiftFormat check failures
• Snapshot test failures
• Documentation check failures
• All validation checks failing

3. Build System Consistency

• Multiple PRs showing similar Foundation-related compilation issues
• Suggests systematic build configuration problem
• Risk: Indicates broader infrastructure instability

Recommendations 🔧

Immediate Actions:

1. Fix Foundation imports:

   # Verify Package.swift has proper Foundation dependency
   # Check all import statements are correct

2. Local validation:

   make lint-fix format
   swift test --package-path Modules/Receipts

3. Test import functionality:

   # Test email import flow
   # Test camera import flow  
   # Verify preview saving logic

Enhancement Opportunities:

• Add error handling for import failures
• Implement progress indicators for long import operations
• Add validation for imported receipt data
• Consider adding receipt data extraction preview
• Implement batch import capabilities

Architecture Assessment 📐

• Excellent: Clean ViewModel separation and responsibility
• Good: Comprehensive test coverage approach
• Solid: Import flow design and preview integration

Files Changed (4 files, +246/-4):

• ✅ Enhanced import ViewModel with email/camera support
• ✅ Improved preview ViewModel with saving logic
• ✅ Comprehensive test coverage (162 new test lines)
• ❌ Foundation compilation blocking functionality

Merge Status: 🚫 BLOCKED

Cannot merge due to Foundation framework compilation errors and CI failures.

Next Steps:

1. Resolve Foundation framework import issues across codebase
2. Run local tests: swift test --package-path Modules/Receipts
3. Address SwiftLint violations: make lint-fix
4. Verify import flows work end-to-end
5. Test receipt data extraction accuracy

This PR provides valuable receipt management functionality but requires Foundation framework resolution before merge. The implementation quality is good with strong test coverage.

[DrunkOnJava]

Closing this automated PR. Receipt import and preview logic has been implemented in the Receipts module. Thank you for the contribution!