feat(media): Add HEIC/HEIF image support - v1.4.2

- Add pillow-heif dependency for iPhone photo support
- Auto-convert HEIC to JPEG (browsers can't display HEIC)
- Graceful error if pillow-heif not installed
- Handles RGBA/P mode conversion to RGB

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

starpunk/__init__.py

@@ -325,5 +325,5 @@ def create_app(config=None):
 
 # Package version (Semantic Versioning 2.0.0)
 # See docs/standards/versioning-strategy.md for details
-__version__ = "1.4.1"
-__version_info__ = (1, 4, 1)
+__version__ = "1.4.2"
+__version_info__ = (1, 4, 2)