v0.1.4

Added

• Web Search (web_search): Privacy-focused web search using DuckDuckGo with Markdown-formatted results.
• Safe Math (safe_math): Secure mathematical expression evaluator using ast.parse (no eval()). Supports arithmetic and math functions.
• Get Time (get_time): Real-world time retrieval for any timezone using pytz, returns ISO 8601 format.
• Get Transcript (get_transcript): YouTube video transcript fetcher via youtube-transcript-api.
• Memory (remember / recall): Persistent local key-value store using ~/.protocolbox/memory.json.
• Tests: 184 new edge-case tests (283 total) covering all new tools — security, error handling, unicode, and boundary conditions.

Fixed

• YouTube Tool: Migrated to youtube-transcript-api v1.x instance-based API (api.fetch() instead of removed get_transcript() class method).

Dependencies

• Added duckduckgo-search, youtube-transcript-api, and pytz.