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Stabilize worktree port test

Archived
stabilize-worktree-port-test

Created

Jun 25, 05:40

Started

Jun 25, 05:42

Completed

Jun 25, 12:23

DevOps handoff

Type

Bug

Shape

backend

Worktree Slug

stabilize-worktree-port-test

Repositories

mcritchie-studio

Release Train

—

Branch

feat/stabilize-worktree-port-test

Pull Request

https://github.com/amcritchie/mcritchie-studio/pull/186

Local URL

—

QA URL

—

Production URL

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tooling ci-flake

Acceptance Criteria

  • agent_worktree_test line 76 passes deterministically in CI
  • Fix empty-subprocess-output flake in port reservation
  • Regression guard prevents the intermittent failure

Expected Test Plan

  • [unit] flaky test green under repeated runs

Checks Run

  • [review] Carl (heavy/backend) APPROVE_WITH_NITS — Open3.capture3 fixes early-read/unflushed race on static APP_OVERRIDES; bounded retry only absorbs transient empty/failed spawn (non-empty wrong result still caught); regression guard fails-first vs old IO.popen err:NULL helper; 6/6 green

Agent Context

Root cause: run_in_script discarded stderr (err:File::NULL) AND exit status via IO.popen(&:read); under CI parallel-fork load a child reaped/killed before flushing stdout surfaced as bare Actual:''. Computation is deterministic (stubbed IO + static config). Fix: Open3.capture3 (blocking read both streams + waits), bounded retry of the deterministic spawn (SUBPROCESS_ATTEMPTS=3), flunk with captured exit/signal+stderr if never usable. Could NOT reproduce empty-output in 480+ local spawns; only fixable in test code (capture+diagnose+retry), not a churn. NOTE follow-up: release_cli_test.rb shares the same IO.popen err:NULL pattern in 3 helpers (eval_helper/eval_with_argv/run_cli) — same latent flake, but line 126 legitimately asserts empty output so it needs a gentler guard (flunk on nonzero exit only, not empty).

Stage Timeline

Who handled each stage, the time it took (measured), and the model / tokens / cost reported (best-effort) — plus who's on it right now. — means the agent didn't report that metric.

  1. Created → Designed
    N Nidoran♀
    Nidoran♀
    Model
    —
    Duration
    —
    Tokens
    —
    Cost
    —
    Completed Jun 25, 05:40 · 2 days ago
    api
  2. Designed → Building
    N Nidoran♀
    Nidoran♀
    Model
    claude-opus-4-8
    Duration
    2 minutes
    Tokens
    —
    Cost
    —
    Started Jun 25, 05:40
    Completed Jun 25, 05:42 · 2 days ago
    cli
  3. Building → Submitted
    N Nidoran♀
    Nidoran♀
    Model
    claude-opus-4-8
    Duration
    11 minutes
    Tokens
    1,051,267
    Cost
    ~$0.81
    Started Jun 25, 05:42
    Completed Jun 25, 05:52 · 2 days ago
    cli
  4. Submitted → Reviewed
    C Carl
    Carl primary
    S Shannon
    Shannon light
    Model
    claude-opus-4-8
    Duration
    5 minutes
    Tokens
    1,743,194
    Cost
    ~$1.36
    Started Jun 25, 05:52
    Completed Jun 25, 05:58 · 2 days ago
    cli
  5. Reviewed → Assembled
    S Steffon
    Steffon
    Model
    —
    Duration
    9 minutes
    Tokens
    —
    Cost
    —
    Started Jun 25, 05:58
    Completed Jun 25, 06:06 · 2 days ago
  6. Assembled → Shipped
    A Avi
    Avi
    Model
    —
    Duration
    about 6 hours
    Tokens
    —
    Cost
    —
    Started Jun 25, 06:06
    Completed Jun 25, 12:23 · 2 days ago
  7. Shipped → Archived
    8
    81fad33e-98b5-4075-8ed6-d0efe6cb5804
    Model
    claude-opus-4-8
    Duration
    about 9 hours
    Tokens
    —
    Cost
    —
    Started Jun 25, 12:23
    Completed Jun 25, 21:16 · 1 day ago
    cli

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