Mine Transcripts

Mine Transcripts

Sweep this session's sub-agent JSONL transcripts for NOVEL learnings not already captured, then promote the strongest to durable docs.

Usage

/mine-transcripts

No arguments needed — the skill discovers transcripts automatically.

Workflow Mode

For deterministic parallel execution, use the workflow script:

use a workflow for mine-transcripts

The workflow script (workflows/mine-transcripts.js) implements the same 3-phase process with typed JSON Schema outputs, parallel slicing via pipeline(), and structured consolidation.

Step 1 — Discover

Dispatch a briefer to:

1. Locate the sub-agent transcript directory. Most likely paths (try in order):

   • ~/.claude/projects/-<absolute-repo-path-encoded>/<session-uuid>/subagents/agent-*.jsonl
   • /private/tmp/claude-501/-<absolute-repo-path-encoded>/<session-uuid>/tasks/agent-*.jsonl
   • Or look at the most recent task notifications for paths like /private/tmp/claude-501/.../tasks/<id>.output

2. List every agent-*.jsonl in that directory (there are usually 30-100+ in a research session). For each, peek the first line to extract subagent_type from the metadata.

3. Read existing learning docs in the repo:

   • .coord/learning-inbox.jsonl
   • docs/context/repo-practices.md
   • docs/context/known-issues.md
   • LEARNINGS.md

   Summarize how many entries and what topics are already covered — this becomes the dedupe baseline.

4. Skip noise: pure HTML files (ctx7/WebFetch results), polling-wait logs ("Waiting... status: not_found"), single-line >100KB crash blobs, and empty files.

Return: agent inventory by type, existing-learnings inventory, and a proposed slicing for parallel mining.

Step 2 — Mine in Parallel

Group the high-signal transcripts into 3-5 slices of roughly equal token weight.

High-signal agent types (include these):

• worker, worker-investigation, worker-refactor, worker-test
• intent-validator, reviewer, learning-extractor
• Any custom agent types that involve reasoning

Low-signal agent types (skip these):

• scribe, briefer — confirmations of writes, no novel signal
• Previous learning-extractor outputs — meta-noise
• Pure fetch/polling transcripts

For each slice, dispatch a learning-extractor in parallel with these instructions:

Read the assigned JSONL files. For each agent's transcript, look for things ONLY visible in the inner monologue, not the final task output:

1. Dead ends and backtracking — agent tried X, didn't work, switched to Y
2. Silently-recovered tool errors — wrong flags, missing endpoints, auth weirdness
3. Sub-decisions about design that weren't surfaced in the final output
4. Confusion points where the agent paused or expressed uncertainty
5. Repeated reasoning patterns across multiple agents
6. Time wasters — long investigations on false hypotheses

Dedupe rigorously against the existing learning docs. Don't return anything already covered.

Every candidate must cite specific evidence: agent_id + verbatim quote OR command + observation. No platitudes. No generic advice.

Cap at 8 candidates per slice. Quality over quantity. Empty array is acceptable if nothing novel surfaces.

Return JSON:

{
  "candidate_learnings": [
    {
      "category": "practice|issue|pattern|decision|process",
      "learning": "One clear sentence",
      "evidence": "agent_id + verbatim quote or command + observation",
      "confidence": "high|medium|low",
      "suggested_destination": "repo-practices|known-issues|inbox-only",
      "why_novel": "Why this isn't already covered"
    }
  ],
  "process_observations": [
    "Observations about the orchestration itself"
  ]
}

Critical: Dispatch all slice extractors in a single message with multiple tool calls so they run in parallel, not sequentially.

Step 3 — Consolidate and Persist

Collect all slice outputs. Dedupe across slices (multiple agents often hit the same gotcha).

Dispatch a scribe to:

3a. Inbox entries

Append every accepted candidate as a JSONL entry to the learning inbox:

{"task_id":"MINE-XXX","learning":"<one sentence>","category":"<one-of>","evidence":"<agent_id + quote>","confidence":"<high|medium|low>","destination":"<repo-practices|known-issues>","timestamp":"<ISO-8601>"}

3b. Promote high-confidence known-issues

For confidence=high entries with destination=known-issues, append a new section to docs/context/known-issues.md:

### <Heading describing the gotcha>

<1-3 sentences describing what fails>

**Symptoms**: <observable evidence>
**Workaround**: <fix or mitigation>

3c. Promote high-confidence repo-practices

For confidence=high entries with destination=repo-practices, append a new section to docs/context/repo-practices.md:

### <Heading describing the pattern>

**Why**: <the problem this pattern solves>

When to use:

### 3d. Report

Report the final tally:
- N new inbox entries
- M new known-issues sections
- P new repo-practices sections

---

## Constraints

- Run extractors in **PARALLEL**, not sequentially
- Don't manufacture entries to look productive — **empty mining is a valid outcome**
- Don't read scribes' or briefers' transcripts — they're confirmations of writes, no novel signal
- Don't read learning-extractors' OWN previous JSONLs — they're meta-noise
- **Preserve all existing learning entries; only APPEND, never overwrite**
- Every candidate must have specific evidence with quotes — no platitudes

---

## Design Rationale

1. **Two-phase (inventory → mine)**: Without inventory, extractors waste ~30% of budget on HTML noise and polling logs.
2. **Parallel slicing**: A single extractor on 70+ JSONLs would either run out of context or skip detail. Three parallel extractors on ~20 JSONLs each preserves depth.
3. **Dedupe baseline as first-class input**: Without it, extractors re-discover things already captured. Telling them what's covered focuses attention on novelty.
4. **"Empty is acceptable"**: Extractors manufacture filler without explicit permission to return nothing.
5. **Skip-list for low-signal types**: Scribes confirm writes; their JSONLs are nearly content-free. Skipping saves ~40% of work.
6. **Required evidence with quotes**: Without this, you get "agents should test more carefully" — useless. Requiring quotes forces specificity.
7. **Promotion routing per confidence**: Inbox-only for medium, durable docs for high. Keeps durable docs from inflating with weak signal.