HEAD | commit 2e47b5d0f5636a2ac978aba5d5ed982f19ada01e
Real T3 dev server; fresh database; Replay multi-turn; CLI uses MCP t3_thread_send

$ git init -q --initial-branch=main


[exit 0]

$ git add .


[exit 0]

$ git -c user.name=Scenario -c user.email=scenario@example.invalid commit -qm Initial commit


[exit 0]

$ t3 project add <demo> --title Missing workspace demonstration

Added project 3d20349e-5bd3-4bd8-b9a9-d09a19f84cdf (Missing workspace demonstration) at <demo>.
[exit 0]

$ t3 thread start <demo> Start --title Missing workspace demonstration --provider devReplay --model multi-turn --worktree main --branch t3/repro-c --wait --json

{"threadId":"mcp:da825e7a-f404-4aa1-af45-c170faa14ee6","runId":"run:thread:mcp%3Ada825e7a-f404-4aa1-af45-c170faa14ee6:ordinal:1","status":"completed","reply":"first fixture turn complete","error":null}
[exit 0]

$ t3 thread show mcp:da825e7a-f404-4aa1-af45-c170faa14ee6 --json

{"thread":{"threadId":"mcp:da825e7a-f404-4aa1-af45-c170faa14ee6","projectId":"3d20349e-5bd3-4bd8-b9a9-d09a19f84cdf","title":"Missing workspace demonstration","link":"https://app.t3.codes/threads/57b3c1df-616d-4c23-bb5f-301f8f1e1a38/mcp%3Ada825e7a-f404-4aa1-af45-c170faa14ee6","createdBy":"agent","creationSource":"mcp","status":"completed","latestRunId":"run:thread:mcp%3Ada825e7a-f404-4aa1-af45-c170faa14ee6:ordinal:1","activeRunId":null,"providerInstanceId":"devReplay","model":"multi-turn","runtimeMode":"full-access","interactionMode":"default","linkedPullRequest":null,"pullRequests":[],"pullRequestCount":0,"openPullRequestCount":0,"titleRegeneration":null,"lastTitleRegeneration":null,"branch":"t3/repro-c","worktreePath":"<app-home>/worktrees/demo/t3-repro-c-091bdff048ef4e55","parentThreadId":null,"relationshipToParent":null,"runCount":1,"itemCount":4,"pendingRequestCount":0,"archived":false,"settled":false,"settledAt":null,"snoozed":false,"snoozedUntil":null,"blockedOnThreadWait":false,"pendingBackgroundTasks":[],"createdAt":"2026-11-13T17:46:55.514Z","updatedAt":"2026-11-13T17:46:56.882Z"},"messages":[{"role":"user","runId":"run:thread:mcp%3Ada825e7a-f404-4aa1-af45-c170faa14ee6:ordinal:1","text":"Start"},{"role":"assistant","runId":"run:thread:mcp%3Ada825e7a-f404-4aa1-af45-c170faa14ee6:ordinal:1","text":"first fixture turn complete"}]}
[exit 0]

$ git worktree remove --force <app-home>/worktrees/demo/t3-repro-c-091bdff048ef4e55


[exit 0]

$ git checkout t3/repro-c

Switched to branch 't3/repro-c'
[exit 0]

Precondition: missing worktree folder = True; branch t3/repro-c is checked out in the main project folder.

$ t3 thread send mcp:da825e7a-f404-4aa1-af45-c170faa14ee6 Reply with the single word ok. --json

Couldn't recreate the missing workspace of thread mcp:da825e7a-f404-4aa1-af45-c170faa14ee6, so the message was not sent. Could not recreate the worktree for branch 't3/repro-c' at <app-home>/worktrees/demo/t3-repro-c-091bdff048ef4e55.
[exit 1]

$ t3 thread show mcp:da825e7a-f404-4aa1-af45-c170faa14ee6 --json

{"thread":{"threadId":"mcp:da825e7a-f404-4aa1-af45-c170faa14ee6","projectId":"3d20349e-5bd3-4bd8-b9a9-d09a19f84cdf","title":"Missing workspace demonstration","link":"https://app.t3.codes/threads/57b3c1df-616d-4c23-bb5f-301f8f1e1a38/mcp%3Ada825e7a-f404-4aa1-af45-c170faa14ee6","createdBy":"agent","creationSource":"mcp","status":"completed","latestRunId":"run:thread:mcp%3Ada825e7a-f404-4aa1-af45-c170faa14ee6:ordinal:1","activeRunId":null,"providerInstanceId":"devReplay","model":"multi-turn","runtimeMode":"full-access","interactionMode":"default","linkedPullRequest":null,"pullRequests":[],"pullRequestCount":0,"openPullRequestCount":0,"titleRegeneration":null,"lastTitleRegeneration":null,"branch":"t3/repro-c","worktreePath":"<app-home>/worktrees/demo/t3-repro-c-091bdff048ef4e55","parentThreadId":null,"relationshipToParent":null,"runCount":1,"itemCount":4,"pendingRequestCount":0,"archived":false,"settled":false,"settledAt":null,"snoozed":false,"snoozedUntil":null,"blockedOnThreadWait":false,"pendingBackgroundTasks":[],"createdAt":"2026-11-13T17:46:55.514Z","updatedAt":"2026-11-13T17:46:56.882Z"},"messages":[{"role":"user","runId":"run:thread:mcp%3Ada825e7a-f404-4aa1-af45-c170faa14ee6:ordinal:1","text":"Start"},{"role":"assistant","runId":"run:thread:mcp%3Ada825e7a-f404-4aa1-af45-c170faa14ee6:ordinal:1","text":"first fixture turn complete"}]}
[exit 0]

Read-only runs projection after send (selected fields):
[
  {
    "ordinal": 1,
    "status": "completed",
    "requestedAt": "2026-11-13T17:46:55.558Z",
    "startedAt": "2026-11-13T17:46:56.446Z",
    "completedAt": "2026-11-13T17:46:56.882Z"
  }
]

Recorded send response, exit 1:
Couldn't recreate the missing workspace of thread mcp:da825e7a-f404-4aa1-af45-c170faa14ee6, so the message was not sent. Could not recreate the worktree for branch 't3/repro-c' at <app-home>/worktrees/demo/t3-repro-c-091bdff048ef4e55.

Runs after send: [
  {
    "ordinal": 1,
    "status": "completed",
    "requestedAt": "2026-11-13T17:46:55.558Z",
    "startedAt": "2026-11-13T17:46:56.446Z",
    "completedAt": "2026-11-13T17:46:56.882Z"
  }
]