{"record":{"id":"1936592110cfeed2","repo":"Yeachan-Heo/oh-my-codex","slug":"startup-cleanup-pane-identity-changed-cleanuppan","errorCode":null,"errorMessage":"startup_cleanup_pane_identity_changed:${cleanupPane.pane_id}","messagePattern":"startup_cleanup_pane_identity_changed:(.+?)","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"src/team/runtime.ts","lineNumber":405,"sourceCode":"  const expectedPanePids: Record<string, number> = {};\n  for (const cleanupPane of cleanupPanes) {\n    if (cleanupPane.pane_id === config.leader_pane_id || cleanupPane.pane_id === config.hud_pane_id) {\n      throw new Error(`startup_cleanup_pane_target_invalid:${cleanupPane.pane_id}`);\n    }\n    const proof = readExactPaneProofSync(cleanupPane.pane_id);\n    if (proof.status === 'gone') {\n      resolvedPaneIds.add(cleanupPane.pane_id);\n      continue;\n    }\n    if (proof.status === 'unavailable') {\n      assertPaneTeardownProofsAvailable('startup_cleanup', [proof]);\n      continue;\n    }\n    if (cleanupPane.pid === null) {\n      throw new Error(`startup_cleanup_pane_pid_missing:${cleanupPane.pane_id}`);\n    }\n    if (proof.pid !== cleanupPane.pid) {\n      throw new Error(`startup_cleanup_pane_identity_changed:${cleanupPane.pane_id}`);\n    }\n    const owner = readPaneTeamOwnerTagResult(cleanupPane.pane_id);\n    if (owner.status === 'error') {\n      throw new Error(`startup_cleanup_pane_owner_unavailable:${cleanupPane.pane_id}:${owner.error}`);\n    }\n    if (owner.status !== 'value' || owner.value !== teamPaneOwnerId) {\n      throw new Error(`startup_cleanup_pane_owner_changed:${cleanupPane.pane_id}`);\n    }\n    expectedPanePids[cleanupPane.pane_id] = cleanupPane.pid;\n  }\n\n  const livePaneIds = Object.keys(expectedPanePids);\n  if (livePaneIds.length > 0) {\n    const teardown = await teardownWorkerPanes(livePaneIds, {\n      leaderPaneId: config.leader_pane_id,\n      hudPaneId: config.hud_pane_id,\n      expectedPanePids,\n      authorizePaneKill: (paneId, proof) => {","sourceCodeStart":387,"sourceCodeEnd":423,"githubUrl":"https://github.com/Yeachan-Heo/oh-my-codex/blob/3ad79a8a6fe6e95fdbb8c00e40716fffe4011ce2/src/team/runtime.ts#L387-L423","documentation":"The tmux pane still exists but its current pid differs from the pid recorded in startup_cleanup_panes. tmux reuses pane ids, so a pid mismatch means the pane is now a different process — almost certainly not owned by this team — and killing it would be destructive. The reconcile refuses with the pane id.","triggerScenarios":"The original pane died and tmux (or a new window) reused the pane id for an unrelated process before reconcile ran.","commonSituations":"Long-lived machines where tmux ids wrap; cleanup delayed across sessions; other tools creating panes in the same session.","solutions":["Remove the stale entry from startup_cleanup_panes and manually verify/kill the pane if it is genuinely leftover","Verify with `tmux list-panes -a -F '#{pane_id} #{pane_pid} #{pane_current_command}'` what now lives in that pane","Restart the team to rebuild accurate pane state"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"for (const p of config.startup_cleanup_panes ?? []) {\n  const proof = readExactPaneProofSync(p.pane_id);\n  if (proof.status === 'alive' && proof.pid !== p.pid) { /* drop entry; pane id reused */ }\n}","typeGuard":null,"tryCatchPattern":"try { await reconcileStartupCleanupPanes(config, cwd); } catch (e) { if (e instanceof Error && e.message.startsWith('startup_cleanup_pane_identity_changed:')) { /* remove pane from config, inspect tmux manually */ } throw e; }","preventionTips":["Expect tmux pane id reuse on long-lived machines","Verify pid before any kill decision"],"tags":["team-runtime","tmux","pane-id-reuse","stale-state"],"backgroundTag":"resource-id-reuse-mismatch","analyzedSha":"3ad79a8a6fe6e95fdbb8c00e40716fffe4011ce2","analyzedAt":"2026-08-27T22:18:39.783Z","schemaVersion":2},"datasetVersion":"2026-08-28T00:17:15.603Z"}