What problem does it solve? After a long working session, it is hard for teammates (or future-you) to reconstruct what happened without reading the full transcript or git log. This Skill produces a concise, high-level session summary — executive summary, chronological timeline, and outcomes — written next to spec.md and plan.md in the active feature directory. ## Core Features & Use Cases - Flow-Level Summaries: Produces a narrative summary with exactly three sections (Executive Summary, Timeline, Outcomes), deliberately excluding diffs, line numbers, and per-tool-call narration. - Optional Time Bounding: Supports a --since <commit|time> argument to limit the summary window to recent work. - Strictly Additive & Idempotent: Never modifies spec.md, plan.md, or source files; repeated invocations produce comparable summaries rather than summaries of summaries. - Use Case: At the end of a feature-branch work session, run the command to write sessions/session-YYYY-MM-DD-HHMM.md so a reviewer can understand the session's purpose, order of work, and shipped outcomes in under 60 seconds. ## Quick Start Ask the assistant to summarize the current session into the feature directory, optionally bounding it with an argument like --since HEAD~10.
