📊 Replace competitor analysis with comprehensive 28-repo study

Consolidated duplicate competitor directories into /knowledge/competitors
with a comprehensive analysis covering 28 repositories (up from 15).
Includes detailed findings, recommendations, and architectural patterns.

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

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>

Author: Nick Sullivan