Session Log Analyzer Parse Claude Code JSONL session logs to understand what happened during a session — tool calls, token usage, errors, subagent trees, and compaction events. Based on patterns from claude-devtools session parsing engine. When to Invoke Use when: debugging failed sessions, analyzing cost/token usage, understanding which tools consumed the most context, tracing subagent execution, detecting where compaction occurred. Workflow Step 1: Locate Session Logs Session logs live at where is the project directory with replaced by . Step 2: Parse and Classify Messages Each line in the…