Add origin field to all skill files to track their source repository. This enables users to identify where distributed skills originated from. Fixes affaan-m/everything-claude-code#246
This reverts commit 1bd68ff534.
1bd68ff534
ECC community plugin pruning: removed 530+ non-essential files (.cursor/, .opencode/, docs/ja-JP, docs/zh-CN, docs/zh-TW, language-specific skills/agents/rules). Retained 4 agents, 3 commands, 5 skills. Promoted 13 rule files (8 common + 5 typescript) to .claude/rules/ for CC native loading. Extracted reusable patterns to EXTRACTED-PATTERNS.md.