**Problem #1: Large File Encoding Error** ✅ FIXED
- Add large file download support via download_url
- Detect encoding='none' for files >1MB
- Download via GitHub raw URL instead of API
- Handles ccxt/ccxt's 1.4MB CHANGELOG.md successfully
**Problem #2: Missing CLI Enhancement Flags** ✅ FIXED
- Add --enhance, --enhance-local, --api-key to main.py github_parser
- Add flag forwarding in CLI dispatcher
- Fixes 'unrecognized arguments' error
- Users can now use: skill-seekers github --repo owner/repo --enhance-local
**Problem #3: Custom API Endpoint Support** ✅ FIXED
- Support ANTHROPIC_BASE_URL environment variable
- Support ANTHROPIC_AUTH_TOKEN (alternative to ANTHROPIC_API_KEY)
- Fix ThinkingBlock.text error with newer Anthropic SDK
- Find TextBlock in response content array (handles thinking blocks)
**Changes**:
- src/skill_seekers/cli/enhance_skill.py:
- Support custom base_url parameter
- Support both ANTHROPIC_API_KEY and ANTHROPIC_AUTH_TOKEN
- Iterate through content blocks to find text (handles ThinkingBlock)
- src/skill_seekers/cli/main.py:
- Add --enhance, --enhance-local, --api-key to github_parser
- Forward flags to github_scraper.py in dispatcher
- src/skill_seekers/cli/github_scraper.py:
- Add large file detection (encoding=None/"none")
- Download via download_url with requests
- Log file size and download progress
- tests/test_github_scraper.py:
- Add test_get_file_content_large_file
- Add test_extract_changelog_large_file
- All 31 tests passing ✅
**Credits**:
- Thanks to @XGCoder for detailed bug report
- Thanks to @gorquan for local fixes and guidance
Fixes#219🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>