Issue15541 runtime reproduction
Main e54e71d725b6eef166ee9b85137c09e051cff342; fs-17 Linux; real vp run dev server16458/web8418 browser WebSocket RPC.
Fixture:122629 tracked files, pack9929KiB. Seven concurrent orchestration.launchThread calls, explicit branch, worktree base master startFromOrigin false.
Ext4 start2026-10-22T19:13:37.658Z; NTFS start2026-10-22T19:18:38.354Z.
{"type": "effect-span", "name": "GitVcsDriver.createWorktree", "traceId": "c3a723db7ea2e59987c6d459fb4351e4", "spanId": "22d4ad148fae266e", "parentSpanId": "cac539087edf8be3", "sampled": true, "kind": "client", "startTimeUnixNano": "1792696662857384009", "endTimeUnixNano": "1792696962871002165", "durationMs": 300013.618156, "attributes": {"git.operation": "GitVcsDriver.createWorktree", "git.cwd": "/home/ubuntu/wt/issue-15541/.t3/repro-slow-hook", "git.args_count": 9}, "events": [], "links": [], "exit": {"_tag": "Failure", "cause": "GitCommandError: Git command failed in GitVcsDriver.createWorktree (/home/ubuntu/wt/issue-15541/.t3/repro-slow-hook): Git command timed out.\n    at file:///home/ubuntu/wt/issue-15541/apps/server/src/vcs/GitVcsDriverCore.ts:1085:15\n    at Module.<anonymous> (file:///home/ubuntu/wt/issue-15541/node_modules/.pnpm/effect@4.0.5/node_modules/effect/dist/internal/effect.js:713:157)\n    at Module.<anonymous> (file:///home/ubuntu/wt/issue-15541/node_modules/.pnpm/effect@4.0.5/node_modules/effect/dist/Function.js:69:38)\n    at file:///home/ubuntu/wt/issue-15541/apps/server/src/vcs/GitVcsDriverCore.ts:1082:18\n    at GitVcsDriver.createWorktree (file:///home/ubuntu/wt/issue-15541/apps/server/src/vcs/GitVcsDriverCore.ts:1108:14)\n    at createWorktree (file:///home/ubuntu/wt/issue-15541/apps/server/src/vcs/GitVcsDriverCore.ts:4508:43)\n    at createWorktree (definition) (file:///home/ubuntu/wt/issue-15541/apps/server/src/vcs/GitVcsDriverCore.ts:3711:89)\n    at GitManager.createWorktree (file:///home/ubuntu/wt/issue-15541/apps/server/src/git/GitWorkflowService.ts:407:35)\n    at GitManager.createWorktree (definition) (file:///home/ubuntu/wt/issue-15541/apps/server/src/git/GitManager.ts:784:74)\n    at ThreadLaunchService.prepareInBackground (file:///home/ubuntu/wt/issue-15541/apps/server/src/orchestration-v2/ThreadLaunchService.ts:770:23)\n    at ThreadLaunchService.prepareInBackground (definition) (file:///home/ubuntu/wt/issue-15541/apps/server/src/orchestration-v2/ThreadLaunchService.ts:289:38)\n    at ThreadLaunchService.schedulePreparation (file:///home/ubuntu/wt/issue-15541/apps/server/src/orchestration-v2/ThreadLaunchService.ts:1022:24)\n    at ThreadLaunchService.schedulePreparation (definition) (file:///home/ubuntu/wt/issue-15541/apps/server/src/orchestration-v2/ThreadLaunchService.ts:764:38)\n    at ThreadLaunchService.launch (file:///home/ubuntu/wt/issue-15541/apps/server/src/orchestration-v2/ThreadMessageIntake.ts:189:28)"}}
{"type": "effect-span", "name": "GitVcsDriver.createWorktree", "traceId": "c3a723db7ea2e59987c6d459fb4351e4", "spanId": "1f75eac796745175", "parentSpanId": "520b722bdf42128a", "sampled": true, "kind": "client", "startTimeUnixNano": "1792696699658890628", "endTimeUnixNano": "1792696999805494346", "durationMs": 300146.603718, "attributes": {"git.operation": "GitVcsDriver.createWorktree", "git.cwd": "/home/ubuntu/wt/issue-15541/.t3/repro-slow-hook", "git.args_count": 9}, "events": [], "links": [], "exit": {"_tag": "Failure", "cause": "GitCommandError: Git command failed in GitVcsDriver.createWorktree (/home/ubuntu/wt/issue-15541/.t3/repro-slow-hook): Git command timed out.\n    at file:///home/ubuntu/wt/issue-15541/apps/server/src/vcs/GitVcsDriverCore.ts:1085:15\n    at Module.<anonymous> (file:///home/ubuntu/wt/issue-15541/node_modules/.pnpm/effect@4.0.5/node_modules/effect/dist/internal/effect.js:713:157)\n    at Module.<anonymous> (file:///home/ubuntu/wt/issue-15541/node_modules/.pnpm/effect@4.0.5/node_modules/effect/dist/Function.js:69:38)\n    at file:///home/ubuntu/wt/issue-15541/apps/server/src/vcs/GitVcsDriverCore.ts:1082:18\n    at GitVcsDriver.createWorktree (file:///home/ubuntu/wt/issue-15541/apps/server/src/vcs/GitVcsDriverCore.ts:1108:14)\n    at createWorktree (file:///home/ubuntu/wt/issue-15541/apps/server/src/vcs/GitVcsDriverCore.ts:4508:43)\n    at createWorktree (definition) (file:///home/ubuntu/wt/issue-15541/apps/server/src/vcs/GitVcsDriverCore.ts:3711:89)\n    at GitManager.createWorktree (file:///home/ubuntu/wt/issue-15541/apps/server/src/git/GitWorkflowService.ts:407:35)\n    at GitManager.createWorktree (definition) (file:///home/ubuntu/wt/issue-15541/apps/server/src/git/GitManager.ts:784:74)\n    at ThreadLaunchService.prepareInBackground (file:///home/ubuntu/wt/issue-15541/apps/server/src/orchestration-v2/ThreadLaunchService.ts:770:23)\n    at ThreadLaunchService.prepareInBackground (definition) (file:///home/ubuntu/wt/issue-15541/apps/server/src/orchestration-v2/ThreadLaunchService.ts:289:38)\n    at ThreadLaunchService.schedulePreparation (file:///home/ubuntu/wt/issue-15541/apps/server/src/orchestration-v2/ThreadLaunchService.ts:1022:24)\n    at ThreadLaunchService.schedulePreparation (definition) (file:///home/ubuntu/wt/issue-15541/apps/server/src/orchestration-v2/ThreadLaunchService.ts:764:38)\n    at ThreadLaunchService.launch (file:///home/ubuntu/wt/issue-15541/apps/server/src/orchestration-v2/ThreadMessageIntake.ts:189:28)"}}
{"type": "effect-span", "name": "GitVcsDriver.createWorktree", "traceId": "c3a723db7ea2e59987c6d459fb4351e4", "spanId": "bc30ca23a4184377", "parentSpanId": "35031e867b982da8", "sampled": true, "kind": "client", "startTimeUnixNano": "1792697041160161583", "endTimeUnixNano": "1792697041194030425", "durationMs": 33.868842, "attributes": {"git.operation": "GitVcsDriver.createWorktree", "git.cwd": "/home/ubuntu/wt/issue-15541/.t3/repro-slow-hook", "git.args_count": 9}, "events": [], "links": [], "exit": {"_tag": "Success"}}
Variant: tiny repo README, executable .git/hooks/post-checkout containing #!/bin/sh\nsleep310 (actual command sleep 310). Real orchestration.launchThread initialMessage Reply with OK only. Started19:18:19.354Z; thread:project:issue-15541-hook:0eed0565-26db-4d25-98b8-244bb8609c73.
Browser showed Worktree setup failed after5m with Git command timed out. Click Retry at19:24; now git worktree add failed (branch_already_exists).
{"createdBy":"user","creationSource":"web","id":"thread:project:issue-15541-hook:4eab9165-0856-4dc5-ab58-eee38bb64e98","projectId":"issue-15541-hook","title":"Issue 15541 slow checkout hook","providerInstanceId":"codex","modelSelection":{"instanceId":"codex","model":"gpt-6.1-sol"},"runtimeMode":"full-access","interactionMode":"default","branch":"repro/slow-hook","worktreePath":null,"pullRequests":[],"activeProviderThreadId":null,"lineage":{"parentThreadId":null,"relationshipToParent":null,"rootThreadId":"thread:project:issue-15541-hook:4eab9165-0856-4dc5-ab58-eee38bb64e98"},"forkedFrom":null,"createdAt":"2026-10-22T19:17:42.645Z","updatedAt":"2026-10-22T19:17:42.645Z","archivedAt":null,"settledOverride":null,"settledAt":null,"snoozedUntil":null,"snoozedAt":null,"lastVisitedAt":null,"deletedAt":null}
{"createdBy":"user","creationSource":"web","id":"thread:project:issue-15541-hook:0eed0565-26db-4d25-98b8-244bb8609c73","projectId":"issue-15541-hook","title":"Issue 15541 slow checkout with message","providerInstanceId":"codex","modelSelection":{"instanceId":"codex","model":"gpt-6.1-sol"},"runtimeMode":"full-access","interactionMode":"default","branch":"repro/slow-hook-message","worktreePath":null,"pullRequests":[],"activeProviderThreadId":"provider-thread:provider:codex:native-thread:pending%3Arun%3Athread%3Athread%253Aproject%253Aissue-15541-hook%253A0eed0565-26db-4d25-98b8-244bb8609c73%3Aordinal%3A1","lineage":{"parentThreadId":null,"relationshipToParent":null,"rootThreadId":"thread:project:issue-15541-hook:0eed0565-26db-4d25-98b8-244bb8609c73"},"forkedFrom":null,"createdAt":"2026-10-22T19:18:19.367Z","updatedAt":"2026-10-22T19:24:01.315Z","archivedAt":null,"settledOverride":null,"settledAt":null,"snoozedUntil":null,"snoozedAt":null,"lastVisitedAt":"2026-10-22T19:24:01.315Z","deletedAt":null}
{"id":"run:thread:thread%3Aproject%3Aissue-15541-hook%3A0eed0565-26db-4d25-98b8-244bb8609c73:ordinal:1","threadId":"thread:project:issue-15541-hook:0eed0565-26db-4d25-98b8-244bb8609c73","ordinal":1,"providerInstanceId":"codex","modelSelection":{"instanceId":"codex","model":"gpt-6.1-sol"},"providerThreadId":"provider-thread:provider:codex:native-thread:pending%3Arun%3Athread%3Athread%253Aproject%253Aissue-15541-hook%253A0eed0565-26db-4d25-98b8-244bb8609c73%3Aordinal%3A1","userMessageId":"message:thread:thread%3Aproject%3Aissue-15541-hook%3A0eed0565-26db-4d25-98b8-244bb8609c73:ordinal:1:164c4f4e-781f-4eba-ab85-9c0319397654","rootNodeId":"node:run:run%3Athread%3Athread%253Aproject%253Aissue-15541-hook%253A0eed0565-26db-4d25-98b8-244bb8609c73%3Aordinal%3A1:root","activeAttemptId":"run-attempt:run:run%3Athread%3Athread%253Aproject%253Aissue-15541-hook%253A0eed0565-26db-4d25-98b8-244bb8609c73%3Aordinal%3A1:attempt:1","status":"failed","queuePosition":null,"requestedAt":"2026-10-22T19:18:19.413Z","startedAt":null,"completedAt":"2026-10-22T19:24:01.315Z","checkpointId":null,"contextHandoffId":null,"workspacePreparation":{"type":"worktree","baseRef":"master","branch":"repro/slow-hook-message","startFromOrigin":false}}
/home/ubuntu/wt/issue-15541/.t3/repro-slow-hook                                    48a05e5 [master]
/home/ubuntu/wt/issue-15541/.t3/worktrees/repro-slow-hook/repro-slow-hook          48a05e5 [repro/slow-hook]
/home/ubuntu/wt/issue-15541/.t3/worktrees/repro-slow-hook/repro-slow-hook-message  48a05e5 [repro/slow-hook-message]

git status --porcelain on both orphan worktrees: ''