Record blocked operational-value study for copilot-session-insights

[Copilot]

Design and verify one deterministic operational-value grader for copilot-session-insights, per .github/skills/operational-value-designer/SKILL.md, as a fresh research run independent of any other workflow's contract.

Analysis

• Recovered adoption-time intent from the workflow's first commit (12f94cc1c04e11c5331a0b9bd014cebe0a469122, 2025-10-31): a read-only analytics/reporting workflow whose only write action is publishing one Discussion summarizing Copilot coding-agent sessions.
• Evaluated the later-added orphaned-branch escalation feature (25d123f3f0ac5c96be08c8fe1382d39107b86163, 2026-04-30) as a candidate opportunity — rejected because resolving a flagged branch is done by humans or other workflows, not this workflow itself, so it would misattribute a third party's action to this run.
• Concluded no direct, deterministic primary metric in [0,1] is defensible without substituting activity (crediting a run for merely publishing a discussion), proxy attribution (crediting later third-party resolution of flagged branches), or agent judgment (assessing report/insight quality) — all disallowed by the contract.

Change

• Added .github/graders/copilot-session-insights-operational-value-study.json with designOutcome: "blocked", a detailed rejectionReason, classification, decisions (intent/opportunity/evidence/metric with rejected alternatives and evidence references), and uncertainties.
• No grader script, workflow markdown, or lock file changes — per the blocked-design path, only the study record is produced.

Original prompt

[operational-value-study:paper-v1] copilot-session-insights

Use the repository's .github/skills/operational-value-designer/SKILL.md to design
and verify one deterministic operational-value grader for github/gh-aw
workflow copilot-session-insights. This is a fresh research run; do not copy another
workflow's metric or contract.

Requirements:

• Recover adoption-time intent and pre-adoption evidence independently.
• Use exactly one direct primary attainment metric in [0,1]. Keep diagnostics separate.
• Treat unavailable evidence as null, never zero. Make maturation explicit and stable.
• Support historical assignment reconstruction when case and event are null.
• If no direct operational metric is defensible, create only the study record below with designOutcome "blocked" and explain why. Never substitute activity, output volume, traces, or agent judgment.
• Change only .github/workflows/copilot-session-insights.md, its generated lock file,
  .github/graders/copilot-session-insights-operational-value.sh, and .github/graders/copilot-session-insights-operational-value-study.json.
• Do not add generated historical reports to the pull request.

Write .github/graders/copilot-session-insights-operational-value-study.json as JSON with this exact top-level shape:
{
"schemaVersion": 1,
"repository": "github/gh-aw",
"workflowId": "copilot-session-insights",
"recordedAt": "ISO-8601 timestamp",
"recorder": "copilot-coding-agent",
"designOutcome": "accepted|rejected|blocked",
"rejectionReason": null,
"classification": {
"domain": "short research domain",
"subdomain": null,
"taskArchetype": "short label",
"interventionType": "short label",
"outcomeType": "short label",
"evidenceDirectness": "direct|proxy|activity",
"evidenceLocality": "same-repository|cross-repository|external",
"measurementLevel": "nominal|ordinal|interval|ratio",
"metricForm": "binary|proportion|rate|distance-to-target|index",
"assignmentDeterminism": "deterministic|bounded-ambiguity|ambiguous",
"intentExplicitness": "explicit|implicit|mixed",
"markdownSpecificity": "exact|bounded|open-ended",
"outcomeObservability": "immediate|delayed",
"causalClaim": "observational|comparative-not-causal"
},
"decisions": [{
"type": "intent|opportunity|assignment|evidence|maturation|metric|baseline|diagnostic",
"selected": "observable selected design",
"alternatives": ["observable rejected alternative"],
"rationale": "concise evidence-backed rationale, not hidden reasoning",
"evidenceReferences": ["commit, issue, PR, or file reference"],
"changedDuringReview": false
}],
"uncertainties": [{
"type": "measurement|assignment|evidence-availability|temporal|baseline|domain-fit|causal-attribution",
"level": "low|medium|high|unknown",
"description": "specific limitation",
"mitigation": null,
"evidenceReferences": []
}]
}

For blocked/rejected designs, rejectionReason must be a non-empty string. Record
observable contract choices and alternatives only; do not record chain-of-thought.

Validation for accepted designs:

1. .github/skills/operational-value-designer/scripts/verify-operational-value-evaluator.sh .github/graders/copilot-session-insights-operational-value.sh
2. gh aw compile .github/workflows/copilot-session-insights.md

Keep the pull request limited to this workflow. The local study runner will replay
history and archive reports after this task completes.