fix(issue): auto-mode zero-tool-call execute-task enters artifact verification retry loop

[jeremymcs]

Summary

• Zero-tool-call unit outcomes now return retry and are handled before finalize, with focused auto-loop regressions passing.

Verification

• Completed in the repository worktree before push.

Related Issue

• Closes auto-mode zero-tool-call execute-task enters artifact verification retry loop #5885
• #5885 auto-mode zero-tool-call execute-task enters artifact verification retry loop

Repo

• gsd-build/gsd-2

Branch

• issue/5885-auto-mode-zero-tool-call-execute-task-en-1778892813

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: ce96d9be-f0e4-4b36-aaff-dc47bdfb1151

📥 Commits

Reviewing files that changed from the base of the PR and between db89d64 and 58801c1.

📒 Files selected for processing (4)

• src/resources/extensions/gsd/auto/loop.ts
• src/resources/extensions/gsd/auto/phases.ts
• src/resources/extensions/gsd/auto/types.ts
• src/resources/extensions/gsd/tests/auto-loop.test.ts

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch issue/5885-auto-mode-zero-tool-call-execute-task-en-1778892813

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[github-actions]

🔴 PR Risk Report — CRITICAL

Files changed	4
Systems affected	3
Overall risk	🔴 CRITICAL

Affected Systems

Risk	System
🔴 critical	Auto Engine
🔴 critical	Agent Core
🟠 high	AI Providers

File Breakdown

Risk	File	Systems
🔴	src/resources/extensions/gsd/auto/loop.ts	Auto Engine
🔴	src/resources/extensions/gsd/auto/phases.ts	Auto Engine
🔴	src/resources/extensions/gsd/auto/types.ts	Agent Core, AI Providers, Auto Engine
⚪	src/resources/extensions/gsd/tests/auto-loop.test.ts	(unclassified)

⚠️ 🔴 Critical risk — the following systems require verification before merge:

• 🔴 Auto Engine: validate auto-mode trigger conditions and loop termination
• 🔴 Agent Core: check for race conditions and loop exit paths in the agent loop
• 🟠 AI Providers: confirm provider API contract and error handling are intact

⛔ This PR should not be merged without executing this follow-up prompt.

Ask your coding agent to verify before submitting:

Review this PR for risks in: Auto Engine, Agent Core, AI Providers. Verify:

1. validate auto-mode trigger conditions and loop termination
2. check for race conditions and loop exit paths in the agent loop
3. confirm provider API contract and error handling are intact

Before modifying any code, assess the scope of this fix:

- Identify the root cause, not just the reported symptom.
- Search the codebase for other call sites, similar patterns, or duplicated logic that may share the same bug.
- List affected tests, documentation, and any downstream consumers that depend on the current behavior.
- Flag any changes that extend beyond the immediate file or function.

Report findings first. Then propose a fix scoped to the actual root cause, and wait for confirmation before applying changes outside the originally reported location.

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