Fix Squad continuation dispatch inputs

[bradygaster]

Summary

Working as Booster (CI/CD Engineer).

• fix merge continuation to call the prompt-visible dispatch_workflow shape with workflow_name: squad and nested inputs.command / inputs.issue_number
• remove the silent cast workflow_dispatch default and document visible missing-input failures
• require the continuation comment to target the parent epic
• add static gates for destructive dispatch defaults and continuation payload/input-name drift

Closes #1751

Mechanism proven

Raw safe output from fixture run 32316227601 was only {"type":"dispatch_workflow"}. The agent artifact shows it called generic dispatch_workflow with top-level command and issue_number; the compiled schema expects workflow_name plus nested inputs, so the handler ignored those top-level keys and GitHub applied Squad's old cast default.

Validation

• node scripts/check-workflow-input-interpolation.mjs ✅
• npx vitest run test/gh-aw-quality.test.ts ✅ 85 passed / 13 skipped
• npm run build ✅

[github-actions]

🟡 Impact Analysis — PR #1752

Risk tier: 🟡 MEDIUM

📊 Summary

Metric	Count
Files changed	6
Files added	1
Files modified	5
Files deleted	0
Modules touched	4

🎯 Risk Factors

• 6 files changed (6-20 → MEDIUM)
• 4 modules touched (2-4 → MEDIUM)

📦 Modules Affected

root (2 files)

• workflows/squad-implement-worker.md
• workflows/squad.md

scripts (1 file)

• scripts/check-workflow-input-interpolation.mjs

squad-state (1 file)

• .squad/decisions/inbox/booster-continuation-dispatch-inputs.md

tests (2 files)

• test/gh-aw-implement-workflow.test.ts
• test/gh-aw-quality.test.ts

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[github-actions]

🛫 PR Readiness Check

ℹ️ This comment updates on each push. Last checked: commit e9e185b

PR Scope: 🔧 Infrastructure

⚠️ 3 item(s) to address before review

Status	Check	Details
❌	Single commit	2 commits — consider squashing before review
✅	Not in draft	Ready for review
✅	Branch up to date	Up to date with dev
❌	Copilot review	No Copilot review yet — it may still be processing
✅	Changeset present	No source files changed — changeset not required
✅	Scope clean	⚠️ PR includes 1 .squad/ file(s) — ensure these are intentional
✅	No merge conflicts	No merge conflicts
❌	Copilot threads resolved	1 unresolved Copilot thread(s) — fix and resolve before merging
✅	CI passing	All checks passing

Files Changed (6 files, +264 −23)

File	+/−
.squad/decisions/inbox/booster-continuation-dispatch-inputs.md	+39 −0
scripts/check-workflow-input-interpolation.mjs	+79 −6
test/gh-aw-implement-workflow.test.ts	+21 −2
test/gh-aw-quality.test.ts	+95 −0
workflows/squad-implement-worker.md	+13 −6
workflows/squad.md	+17 −9

Total: +264 −23

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This check runs automatically on every push. Fix any ❌ items and push again.
See CONTRIBUTING.md and PR Requirements for details.

[github-actions]

⚠️ Squad File Leakage Detected

The following .squad/ files were modified in this PR:

• .squad/decisions/inbox/booster-continuation-dispatch-inputs.md

These files affect team routing, agent charters, and decisions.
If intentional, ensure approval from the team lead.

[Copilot]

Pull request overview

This PR hardens Squad’s merge-continuation flow by aligning the continuation dispatch payload with the prompt-visible dispatch_workflow schema (including workflow_name: squad and nested inputs), removing the silent workflow_dispatch default that masked missing inputs, and adding static regression gates to prevent future drift.

Changes:

• Update workflows/squad-implement-worker.md merge-continuation instructions to dispatch Squad via dispatch_workflow using the nested inputs shape and to comment on the parent epic.
• Remove workflow_dispatch.inputs.command’s destructive default in workflows/squad.md and document visible failures for missing command / issue_number.
• Add automated guardrails in tests and a script gate to detect destructive dispatch defaults and continuation payload/input-name drift.

Show a summary per file

File	Description
workflows/squad.md	Removes the silent command: cast default and documents visible failure behavior for missing workflow_dispatch inputs.
workflows/squad-implement-worker.md	Fixes merge continuation dispatch guidance to use the prompt-visible dispatch_workflow shape and target the parent epic for comments.
test/gh-aw-quality.test.ts	Adds a regression suite asserting the continuation dispatch JSON shape matches Squad’s declared workflow_dispatch inputs.
scripts/check-workflow-input-interpolation.mjs	Extends the static gate to flag destructive defaults for action-like workflow_dispatch inputs, in addition to bare input references in prompt bodies.
.squad/decisions/inbox/booster-continuation-dispatch-inputs.md	Records the finding/decision/guardrail rationale for the dispatch contract and its enforcement.

Review details

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• Files reviewed: 5/5 changed files
• Comments generated: 1
• Review effort level: Lite