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extract-build-log

Extracts the build conversation for a recorded run in the spec-build-lab and writes it to evals/<run>/session-log.md. Use this skill ANY time the user wants to capture, save, snapshot, extract, export, or render the conversation for a specific build run — including phrasings like "extract the build log", "save the conversation for run-02", "snapshot run-02", "export the build log", "render the session log", "log this build", "produce the session log for run-NN", or "/extract-build-log run-NN". Reads the transcript recorded by Claude Code (located via the .session breadcrumb at evals/<run>/.session) and slices it between an opening bookend (the /prepare-build announcement) and a closing bookend (a fuzzy diagram/structure phrase by default, or a user-supplied --until pattern). Idempotent — re-runnable with different bookends. Requires an explicit run-NN; if none is given, list the runs in builds/ and ASK which one — never default. Do NOT use this skill to evaluate the run — that's /eval-spec-vs-build or /eval-m

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来源信息

仓库
https-deeplearning-ai/spec-build-lab
最近来源活动
2026年6月18日 10:41
检测到的 SKILL.md 语言
英语
星标
4
Forks
4

安装方式

默认使用会先检查来源的 Prompt；你也可以切换为直接命令，或下载本地副本。

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SKILL.md
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name
extract-build-log
description
Extracts the build conversation for a recorded run in the spec-build-lab and writes it to evals/<run>/session-log.md. Use this skill ANY time the user wants to capture, save, snapshot, extract, export, or render the conversation for a specific build run — including phrasings like "extract the build log", "save the conversation for run-02", "snapshot run-02", "export the build log", "render the session log", "log this build", "produce the session log for run-NN", or "/extract-build-log run-NN". Reads the transcript recorded by Claude Code (located via the .session breadcrumb at evals/<run>/.session) and slices it between an opening bookend (the /prepare-build announcement) and a closing bookend (a fuzzy diagram/structure phrase by default, or a user-supplied --until pattern). Idempotent — re-runnable with different bookends. Requires an explicit run-NN; if none is given, list the runs in builds/ and ASK which one — never default. Do NOT use this skill to evaluate the run — that's /eval-spec-vs-build or /eval-materials-vs-build.
argument-hint
<run-NN> [--until="phrase"]
allowed-tools
["Read","Write","Bash","Grep"]
# extract-build-log Slice the build conversation out of Claude Code's session transcript and render it as a markdown log at `evals/<run>/session-log.md`. ## Steps 1. **Verify cwd is a course folder.** Confirm `spec.md`, `materials/`, `builds/`, `evals/` exist. Refuse otherwise: "Run /extract-build-log from inside a course folder — `cd courses/<name>` first." Stop. 2. **Require a run.** If `$ARGUMENTS` (or its first whitespace-separated token) is empty: ```bash ls -1 builds/ 2>/dev/null | grep -E '^run-[0-9]+$' | sort ``` List those runs and ask: "Which run should I extract? Pick one — I won't default to the latest." Stop until they answer. 3. **Validate the run.** Confirm `evals/$ARGUMENTS/.session` exists. Refuse otherwise: "evals/$ARGUMENTS/.session is missing — this run wasn't allocated by /prepare-build, so I can't locate its transcript." Stop. 4. **Run the extractor.** From the project root: ```bash python3 "$CLAUDE_PROJECT_DIR/.claude/skills/extract-build-log/scripts/extract.py" \ "evals/$ARGUMENTS" \ [--until="<user-supplied phrase>"] ``` Pass `--until` only if the user gave one. The script: - Reads `evals/$ARGUMENTS/.session` to find the transcript - Slices between the opening bookend (the `/prepare-build` announcement matching this run number) and the closing bookend (`--until` regex if given, else a fuzzy default, else end of transcript) - Writes `evals/$ARGUMENTS/session-log.md` (overwrites if present — re-run freely with different bookends) 5. **Report.** Echo the script's stdout — it prints the path written plus a one-line summary of how many turns were extracted and which bookends were used. 6. **Hand off.** Tell the user: "Ready to evaluate run-$ARGUMENTS — I can run /eval-spec-vs-build $ARGUMENTS and /eval-materials-vs-build $ARGUMENTS next. Say 'go ahead' to proceed, or pick one if you only want to run one of them." ## Don't - Don't generate or judge content — this skill is a transcript slicer, not an analyst. - Don't read or write to `builds/<run>/` — that's the build artifact, out of scope. - Don't pick a default run. List the runs in `builds/` and ask. - Don't fabricate a `.session` file if it's missing — that means the run wasn't allocated normally; refuse and ask the user to investigate.
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