Use when creating, structuring, or extending the project Error Log (`CLAUDE_ERROR_LOG.md` / `CLAUDE_ERROR_LOG_V2.md`) — defines the dual-track archive/active format, three-layer V2 architecture, pattern entry schema, add-new-pattern protocol, and how postmortem / brief / review skills interface with
Use when creating, structuring, or extending the project Error Log (`CLAUDE_ERROR_LOG.md` / `CLAUDE_ERROR_LOG_V2.md`) — defines the dual-track archive/active format, three-layer V2 architecture, pattern entry schema, add-new-pattern protocol, and how postmortem / brief / review skills interface with it. Triggers on 'error log', 'new error pattern', 'add pattern to log', 'set up error log', 'V2 che