yusyus 785fff087e feat: Add unified language detector for code analysis ...

- Created LanguageDetector class supporting 20+ programming languages
- Confidence-based detection with customizable thresholds (min_confidence parameter)
- Replaces duplicate language detection code in doc_scraper and pdf_extractor
- Comprehensive test suite with 100+ test cases

Changes:
- NEW: src/skill_seekers/cli/language_detector.py (17 KB)
  - Unified detector with pattern matching for 20+ languages
  - Confidence scoring (0.0-1.0 scale)
  - Supports: Python, JavaScript, TypeScript, Java, C++, C#, Go, Rust, PHP, Ruby, Swift, Kotlin, Shell, SQL, HTML, CSS, JSON, YAML, XML, and more

- NEW: tests/test_language_detector.py (20 KB)
  - 100+ test cases covering all supported languages
  - Edge case testing (mixed code, low confidence, etc.)

- MODIFIED: src/skill_seekers/cli/doc_scraper.py
  - Removed 80+ lines of duplicate detection code
  - Now uses shared LanguageDetector instance

- MODIFIED: src/skill_seekers/cli/pdf_extractor_poc.py
  - Removed 130+ lines of duplicate detection code
  - Now uses shared LanguageDetector instance

- MODIFIED: tests/test_pdf_extractor.py
  - Fixed imports to use proper package paths
  - Added manual detector initialization in test setup

Benefits:
- DRY: Single source of truth for language detection
- Maintainability: Add new languages in one place
- Consistency: Same detection logic across all scrapers
- Testability: Comprehensive test coverage
- Extensibility: Easy to add new languages or improve patterns

Addresses technical debt from having duplicate detection logic in multiple files.

2025-12-21 22:53:05 +03:00

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