Phase 5 model pinning and no-op guard verification

tsk_1776641938788_osngzn · benjaminkitt/learn-korean · pi-skill / bug · archived

Task detail

Make a small real product change in learn-korean. This verifies that pi-flows uses the configured ollama/gpt model and does not open an empty PR when no meaningful implementation diff is produced.

State	blocked
Priority	normal
PR	—
PR state	—
Lock state	—
Routing	—
Latest worktree	/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati
Latest Pi session	/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati/.agent-pipeline/pi-sessions/run_1776641949500_8w7bch-implement.jsonl
Created	4/19/2026, 11:38:58 PM
Archived at	4/20/2026, 3:53:40 AM

Metadata

{
  "archivedAt": "2026-04-20T03:53:40.306Z",
  "archivedBy": "dashboard",
  "executionKey": "task:tsk_1776641938788_osngzn"
}

Run and event timeline

Recovery summary

Attempts logged: 2

Exhausted branches: 0

Lane failures: 0

4/19/2026, 11:38:58 PM · control-plane

queued

Task queued from pi-skill
4/19/2026, 11:39:05 PM · queue-consumer

queued

Task observed by queue consumer
```
{
  "source": "pi-skill"
}
```

4/19/2026, 11:39:09 PM · runner

claimed

Task claimed by runner

eventCode: task_claimed

{
  "runId": "run_1776641949500_8w7bch",
  "runnerId": "runner:benjamin-desktop:3146941"
}

4/19/2026, 11:39:22 PM · runner

claimed

runner-created-worktree

eventCode: worktree_created

{
  "runId": "run_1776641949500_8w7bch",
  "worktreePath": "/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati",
  "branch": "agent/learn-korean/tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati",
  "executorId": "pi-flows",
  "flowId": "hansori-new-task-v1"
}

4/19/2026, 11:39:23 PM · runner

specing

runner-stage:spec

eventCode: spec_stage_started

{
  "runId": "run_1776641949500_8w7bch",
  "stage": "spec",
  "flowId": "hansori-new-task-v1",
  "flowStepId": "spec",
  "flowAgentId": "spec-author",
  "executorId": "pi-flows",
  "cwd": "/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati"
}

4/19/2026, 11:40:38 PM · runner

specing

runner-spec-artifacts-committed

eventCode: spec_stage_completed

{
  "runId": "run_1776641949500_8w7bch",
  "specArtifactPath": "/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati/.agent-pipeline/runs/run_1776641949500_8w7bch/spec.md",
  "specCommitSha": "0d6fe97ff68ad3e6ac113695d4c262d7adc33765",
  "executorId": "pi-flows",
  "flowId": "hansori-new-task-v1",
  "flowStepId": "spec"
}

4/19/2026, 11:40:39 PM · runner

implementing

runner-stage:implement

eventCode: implementation_stage_started

{
  "runId": "run_1776641949500_8w7bch",
  "stage": "implement",
  "flowId": "hansori-new-task-v1",
  "flowStepId": "implement",
  "flowAgentId": "implementer",
  "executorId": "pi-flows",
  "cwd": "/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati"
}

4/19/2026, 11:43:32 PM · runner

qa-validating

runner-recovery-attempted

eventCode: recovery_attempted

{
  "runId": "run_1776641949500_8w7bch",
  "attemptNumber": 1,
  "lane": "repo-validation",
  "failureCategory": "prompt-or-agent",
  "recoveryBranch": "retry-validation",
  "finalDisposition": "retrying",
  "executorId": "pi-flows",
  "flowId": "hansori-new-task-v1"
}

4/19/2026, 11:43:32 PM · runner

implementing

runner-stage:implement

eventCode: implementation_stage_started

{
  "runId": "run_1776641949500_8w7bch",
  "stage": "implement",
  "flowId": "hansori-new-task-v1",
  "flowStepId": "implement",
  "flowAgentId": "implementer",
  "executorId": "pi-flows",
  "cwd": "/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati"
}

4/19/2026, 11:43:58 PM · runner

qa-validating

runner-recovery-attempted

eventCode: recovery_attempted

{
  "runId": "run_1776641949500_8w7bch",
  "attemptNumber": 2,
  "lane": "repo-validation",
  "failureCategory": "prompt-or-agent",
  "recoveryBranch": "retry-validation",
  "finalDisposition": "retrying",
  "executorId": "pi-flows",
  "flowId": "hansori-new-task-v1"
}

4/19/2026, 11:43:58 PM · runner

implementing

runner-stage:implement

eventCode: implementation_stage_started

{
  "runId": "run_1776641949500_8w7bch",
  "stage": "implement",
  "flowId": "hansori-new-task-v1",
  "flowStepId": "implement",
  "flowAgentId": "implementer",
  "executorId": "pi-flows",
  "cwd": "/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati"
}

4/19/2026, 11:44:24 PM · runner

blocked

runner-task-failed

eventCode: task_failed

Implementation produced no meaningful diff

category: prompt-or-agent · recoverable: no

stage: implement · step: implement · lane: —

command: — · tool: pi

Implementation produced no meaningful diff
Failed lanes: repo-validation
Recoveries attempted: implementation retry x2
Final reason: Flow agent execution failed

{
  "runId": "run_1776641949500_8w7bch",
  "error": "Implementation produced no meaningful diff\nFailed lanes: repo-validation\nRecoveries attempted: implementation retry x2\nFinal reason: Flow agent execution failed"
}

4/19/2026, 11:44:24 PM · runner

blocked

runner-task-failed

eventCode: task_failed

Flow agent execution failed

category: prompt-or-agent · recoverable: no

stage: — · step: — · lane: —

command: — · tool: pi

Implementation produced no meaningful diff
Failed lanes: repo-validation
Recoveries attempted: implementation retry x2
Final reason: Flow agent execution failed

{
  "runId": "run_1776641949500_8w7bch",
  "error": "Implementation produced no meaningful diff\nFailed lanes: repo-validation\nRecoveries attempted: implementation retry x2\nFinal reason: Flow agent execution failed"
}

4/20/2026, 3:53:40 AM · dashboard

blocked

Task archived from dashboard
```
{
  "archivedAt": "2026-04-20T03:53:40.306Z"
}
```

4/20/2026, 3:53:41 AM · control-plane

blocked

Cleanup request queued for archived task

eventCode: cleanup_queued

{
  "cleanupRequestId": "d72cb110-33f9-4f33-a473-60606ac70bb9",
  "branch": "agent/learn-korean/tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati",
  "worktreePath": "/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati"
}

4/20/2026, 3:54:11 AM · runner

blocked

Archived task cleanup completed

eventCode: cleanup_completed
```
{
  "cleanupRequestId": "d72cb110-33f9-4f33-a473-60606ac70bb9"
}
```

Runs

Run	Status	Branch	Worktree	Pi session	Runner	Capabilities	Heartbeat
run_1776641949500_8w7bch	failed	agent/learn-korean/tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati	/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati	/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati/.agent-pipeline/pi-sessions/run_1776641949500_8w7bch-implement.jsonl	runner:benjamin-desktop:3146941	—	4/19/2026, 11:44:24 PM

Cleanup requests

requested 4/20/2026, 3:53:40 AM

succeeded

agent/learn-korean/tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati

/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati

runner: runner:benjamin-desktop:3624120

Review feedback batches

Unresolved review comments

CI failure batches

Notifications

4/19/2026, 11:44:24 PM · discord · task-blocked

{
  "repo": "benjaminkitt/learn-korean",
  "detail": "runner-task-failed",
  "error": "Implementation produced no meaningful diff\nFailed lanes: repo-validation\nRecoveries attempted: implementation retry x2\nFinal reason: Flow agent execution failed",
  "runId": "run_1776641949500_8w7bch",
  "piSessionFile": "/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati/.agent-pipeline/pi-sessions/run_1776641949500_8w7bch-implement.jsonl",
  "worktreePath": "/home/benjamin/worktrees/learn-korean/agent__learn-korean__tsk_1776641938788_osngzn-phase-5-model-pinning-and-no-op-guard-verificati"
}