[alvarohulse]

Notes

Closes #11. Final head verification before publication: independent whole-change review passed; 20/20 independent retry-disabled focused runs passed in 14s using npx vitest run src/browser/ffmpeg-wrapper.test.ts src/utils/exec.test.ts src/commands/start.test.ts --retry=0; npm run build passed; npm test -- --retry=0 passed 37 files / 606 tests in 164.09s; npm run test:ffmpeg passed. Duplicate local build/test/document/lint gate steps are skipped because that evidence is already retained and the isolated v1.52 gate worktree has no node_modules; required GitHub CI remains enabled for the exact published head.

Summary

Agent-browser 0.34.0 can stall while finalizing overlapping recordings because FFmpeg progress output is not drained. ProofShot now prepares immutable per-resolved-FFmpeg wrappers on Linux and macOS with -nostats -loglevel error, preserving FFmpeg errors while preventing the recorder pipe from filling; recording fails closed when the wrapper cannot be prepared or on Windows.

What Changed

• Added quiet FFmpeg wrapper creation with executable validation, hashed per-binary directories, atomic writes, and restrictive permissions.
• Injected the wrapper directory into agent-browser’s isolated PATH during start, while retaining subprocess diagnostics from stderr.
• Updated CLI and project documentation to describe the Linux/macOS requirement and Windows fail-closed behavior.

Risk Assessment

✅ Low: The bounded change routes pinned agent-browser recording through atomic per-FFmpeg quiet wrappers and explicitly rejects unsupported Windows recording.

Testing

• ⏭️ Test - skipped

Pipeline

Updates from git push no-mistakes

Config sources: global@sha256:33741f468eee

Step	Agent (via)	Nested agents
Review r1	codex (harness_cli)	none

✅ **Intent** - passed

• Intent: Resolve the remaining ProofShot issues Measure the exploration-to-review workflow on representative UI changes #10–Prototype a deterministic fresh replay contract for stabilized flows #14 by fixing deployed concurrent recording finalization. The issue Verify interrupted and concurrent ProofShot sessions on the deployed release #11 live soak proved that two overlapping 75–78 second recordings can deadlock because agent-browser 0.34 pipes but does not drain FFmpeg stderr. Keep agent-browser pinned; route its daemon through immutable per-resolved-FFmpeg quiet wrappers on Linux and macOS using -nostats -loglevel error; preserve error diagnostics; fail closed for Windows rather than ship an unverified shim; and preserve normal ProofShot behavior otherwise. Verify with 20 independent retry-disabled focused runs, the full suite, FFmpeg integration, and a live concurrent deployed soak. Ship through no-mistakes, merge the ProofShot PR, deploy the CLI locally, and close issue Verify interrupted and concurrent ProofShot sessions on the deployed release #11 and parent map Map reliable model testing and reviewer evidence in ProofShot #8 only after deployed verification.
• Source: agent
• Provided: true

✅ No issues found.

✅ **Rebase** - passed

✅ No issues found.

✅ **Review** - passed

✅ No issues found.

⏭️ **Build** - skipped

• Step was skipped before the run started because it was named in the run request's skip list.

Step was skipped.

⏭️ **Test** - skipped

• Step was skipped before the run started because it was named in the run request's skip list.

Step was skipped.

⏭️ **Document** - skipped

• Step was skipped before the run started because it was named in the run request's skip list.

Step was skipped.

⏭️ **Lint** - skipped

• Step was skipped before the run started because it was named in the run request's skip list.

Step was skipped.

✅ **Push** - passed

• Command (round 1, feat: harden session reliability and multi-source evidence #1): git push --force-with-lease=refs/heads/codex/quiet-agent-browser-recording:c9ffbd6a02218197d97bb03414f05b8e69192f46 git@github.com:alvarohulse/proofshot.git 6ba0ead619110e7ecb0788dcb615f07053ef43c2:refs/heads/codex/quiet-agent-browser-recording — passed (exit 0)

✅ No issues found.