feat: v1.2.0-rc.1 - IndieWeb Features Release Candidate

Complete implementation of v1.2.0 "IndieWeb Features" release. ## Phase 1: Custom Slugs - Optional custom slug field in note creation form - Auto-sanitization (lowercase, hyphens only) - Uniqueness validation with auto-numbering - Read-only after creation to preserve permalinks - Matches Micropub mp-slug behavior ## Phase 2: Author Discovery + Microformats2 - Automatic h-card discovery from IndieAuth identity URL - 24-hour caching with graceful fallback - Never blocks login (per ADR-061) - Complete h-entry, h-card, h-feed markup - All required Microformats2 properties - rel-me links for identity verification - Passes IndieWeb validation ## Phase 3: Media Upload - Upload up to 4 images per note (JPEG, PNG, GIF, WebP) - Automatic optimization with Pillow - Auto-resize to 2048px - EXIF orientation correction - 95% quality compression - Social media-style layout (media top, text below) - Optional captions for accessibility - Integration with all feed formats (RSS, ATOM, JSON Feed) - Date-organized storage with UUID filenames - Immutable caching (1 year) ## Database Changes - migrations/006_add_author_profile.sql - Author discovery cache - migrations/007_add_media_support.sql - Media storage ## New Modules - starpunk/author_discovery.py - h-card discovery and caching - starpunk/media.py - Image upload, validation, optimization ## Documentation - 4 new ADRs (056, 057, 058, 061) - Complete design specifications - Developer Q&A with 40+ questions answered - 3 implementation reports - 3 architect reviews (all approved) ## Testing - 56 new tests for v1.2.0 features - 842 total tests in suite - All v1.2.0 feature tests passing ## Dependencies - Added: mf2py (Microformats2 parser) - Added: Pillow (image processing) Version: 1.2.0-rc.1 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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+# v1.2.0 Phase 3 Architecture Review: Media Upload
+
+**Date**: 2025-11-28
+**Reviewer**: StarPunk Architect Subagent
+**Phase**: v1.2.0 Phase 3 - Media Upload
+**Developer**: StarPunk Developer Subagent
+**Status**: REVIEWED
+
+## Executive Summary
+
+The Phase 3 media upload implementation has been thoroughly reviewed against the architectural specifications, ADRs, and Q&A decisions. The implementation demonstrates excellent adherence to design principles and successfully delivers the social media-style attachment model as specified.
+
+## ✅ What Went Well
+
+### 1. **Design Adherence**
+- Perfect implementation of ADR-057 social media attachment model
+- Media displays at TOP of notes exactly as specified
+- Text content properly positioned BELOW media
+- Clean separation between media and content
+
+### 2. **Technical Implementation**
+- Excellent use of Pillow for image validation and optimization
+- UUID-based filename generation prevents collisions effectively
+- Date-organized storage structure (`data/media/YYYY/MM/`) implemented correctly
+- Proper EXIF orientation handling
+- Security measures well-implemented (path traversal prevention, MIME validation)
+
+### 3. **Database Design**
+- Junction table approach provides excellent flexibility
+- Foreign key constraints and cascade deletes properly configured
+- Indexes appropriately placed for query performance
+- Caption support integrated seamlessly
+
+### 4. **Feed Integration**
+- RSS: HTML embedding in CDATA blocks works perfectly
+- ATOM: Dual approach (enclosures + HTML) maximizes compatibility
+- JSON Feed: Native attachments array cleanly implemented
+- Absolute URLs correctly generated across all feed formats
+
+### 5. **Error Handling**
+- Graceful handling of invalid images
+- Clear error messages for users
+- Non-atomic upload behavior (per Q35) allows partial success
+
+### 6. **Test Coverage**
+- Comprehensive test suite using PIL-generated images (no binary files)
+- All edge cases covered: file size, dimensions, format validation
+- Multiple image attachment scenarios tested
+- Caption handling verified
+
+### 7. **Performance Optimizations**
+- Immutable cache headers (1 year) for served media
+- Efficient image resizing strategy (2048px threshold)
+- Lazy loading potential with width/height stored
+
+## ⚠️ Issues Found
+
+### Minor Issues (Non-blocking)
+
+1. **GIF Animation Handling**
+   - Line 119 in `media.py`: Animated GIFs are returned unoptimized
+   - This is acceptable for v1.2.0 but should be documented as a known limitation
+   - Recommendation: Add comment explaining why animated GIFs skip optimization
+
+2. **Missing Input Validation in Route**
+   - `admin.py` lines 114-128: No check for empty file uploads before processing
+   - While handled by `save_media()`, earlier validation would be cleaner
+   - Recommendation: Skip empty filename entries before calling save_media
+
+3. **Preview JavaScript Accessibility**
+   - `new.html` lines 139-140: Preview images lack proper alt text
+   - Should use filename or "Preview" + index for better accessibility
+   - Recommendation: Update JavaScript to include meaningful alt text
+
+### Observations (No Action Required)
+
+1. **No Thumbnail Generation**: As per design, relying on CSS for responsive sizing
+2. **No Drag-and-Drop Reordering**: Display order = upload order, as specified
+3. **No Micropub Media Endpoint**: Correctly scoped out for v1.2.0
+
+## 🎯 Design Adherence
+
+### Specification Compliance: 100%
+
+All acceptance criteria from the feature specification are met:
+- ✅ Multiple file upload field implemented
+- ✅ Images saved to data/media/ with optimization
+- ✅ Media-note associations tracked with captions
+- ✅ Media displays at TOP of notes
+- ✅ Text content displays BELOW media
+- ✅ Media served at /media/YYYY/MM/filename
+- ✅ All validation rules enforced
+- ✅ Auto-resize working correctly
+- ✅ EXIF orientation corrected
+- ✅ 4-image limit enforced
+- ✅ Captions supported
+- ✅ Feed integration complete
+
+### ADR Compliance
+
+**ADR-057 (Media Attachment Model)**: ✅ Fully Compliant
+- Social media style attachment model implemented exactly
+- Junction table design provides required flexibility
+- Display order maintained correctly
+
+**ADR-058 (Image Optimization Strategy)**: ✅ Fully Compliant
+- All limits enforced (10MB, 4096px, 4 images)
+- Auto-resize to 2048px working
+- Pillow integration clean and efficient
+- 95% quality setting applied
+
+### Q&A Answer Compliance
+
+All relevant Q&A answers (Q4-Q12, Q24-Q27, Q31, Q35) have been correctly implemented:
+- Q4: Upload after note creation ✅
+- Q5: UUID-based filenames ✅
+- Q6: Size/dimension limits ✅
+- Q7: Optional captions ✅
+- Q11: Pillow validation ✅
+- Q12: GIF animation preservation attempted ✅
+- Q24-Q27: Feed strategies implemented correctly ✅
+- Q31: PIL-generated test images ✅
+- Q35: Non-atomic error handling ✅
+
+## 🧪 Test Coverage Assessment
+
+**Coverage Quality: Excellent**
+
+The test suite is comprehensive and well-structured:
+- Format validation tests for all supported types
+- Boundary testing for size and dimension limits
+- Optimization verification
+- Database operation testing
+- Error condition handling
+- No missing critical test scenarios identified
+
+## 📊 Code Quality
+
+### Structure and Organization: A+
+- Clean separation of concerns in `media.py`
+- Functions have single responsibilities
+- Well-documented with clear docstrings
+- Constants properly defined
+
+### Pillow Library Usage: A
+- Correct use of Image.verify() for validation
+- Proper EXIF handling with ImageOps
+- Efficient thumbnail generation with LANCZOS
+- Format-specific save parameters
+
+### Error Handling: A
+- Comprehensive validation with clear error messages
+- Graceful degradation for partial failures
+- Proper exception catching and re-raising
+
+### Maintainability: A
+- Code is self-documenting
+- Clear variable names
+- Logical flow easy to follow
+- Good separation between validation, optimization, and storage
+
+## 🔒 Security Assessment
+
+**Security Grade: A**
+
+1. **Path Traversal Prevention**: ✅
+   - Proper path resolution and validation in media serving route
+   - UUID filenames prevent directory escaping
+
+2. **MIME Type Validation**: ✅
+   - Server-side validation using Pillow
+   - Not relying on client-provided MIME types
+
+3. **Resource Limits**: ✅
+   - File size checked before processing
+   - Dimension limits prevent memory exhaustion
+   - Max file count enforced
+
+4. **File Integrity**: ✅
+   - Pillow verify() ensures valid image data
+   - Corrupted files properly rejected
+
+No significant security vulnerabilities identified.
+
+## 🚀 Recommendation
+
+### **APPROVE** - Ready for Release
+
+The v1.2.0 Phase 3 media upload implementation is **production-ready** and can be released immediately.
+
+### Rationale for Approval
+
+1. **Complete Feature Implementation**: All specified functionality is working correctly
+2. **Excellent Code Quality**: Clean, maintainable, well-tested code
+3. **Security**: No critical vulnerabilities, all best practices followed
+4. **Performance**: Appropriate optimizations in place
+5. **User Experience**: Intuitive upload interface with preview and captions
+
+### Minor Improvements for Future Consideration
+
+While not blocking release, these could be addressed in future patches:
+
+1. **v1.2.1**: Improve animated GIF handling (document current limitations clearly)
+2. **v1.2.1**: Add progress indicators for large file uploads
+3. **v1.3.0**: Consider thumbnail generation for gallery views
+4. **v1.3.0**: Add Micropub media endpoint support
+
+## Final Assessment
+
+The developer has delivered an exemplary implementation that:
+- Strictly follows all architectural decisions
+- Implements the social media attachment model perfectly
+- Handles edge cases gracefully
+- Maintains high code quality standards
+- Prioritizes security and performance
+
+The implementation shows excellent judgment in balancing completeness with simplicity, staying true to the StarPunk philosophy of "Every line of code must justify its existence."
+
+**Architectural Sign-off**: ✅ APPROVED
+
+---
+
+*This implementation represents a significant enhancement to StarPunk's capabilities while maintaining its minimalist principles. The social media-style attachment model will provide users with a familiar and effective way to share visual content alongside their notes.*