yoi/.yoi/tickets/00001KTTHP8HE/thread.md

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<!-- event: create author: "yoi ticket" at: 2026-06-11T05:15:14Z -->
## 作成
LocalTicketBackend によって作成されました。
---
<!-- event: plan author: intake at: 2026-06-11T07:40:32Z -->
## Plan
## Intake refinement
Readiness: implementation_ready
この Ticket は既存 Ticket `00001KTTB479X` の follow-up 境界として明確であり、Panel / workspace Orchestrator lifecycle で dedicated orchestration worktree を実際に作成・再利用し、その worktree を Orchestrator の runtime workspace / Ticket backend root として起動する具体的な work item になっている。
Orchestrator が routing できる判断材料:
- 目的、背景、要件、受け入れ条件、非目標が Ticket body に揃っている。
- `role_workspace_root` / `original_workspace_root` / `implementation_worktree_root` / `merge_target_workspace_root` の binding boundary が明記されている。
- implementation worktree は original workspace root 配下の `.worktree/<ticket-or-task>` に置き、orchestration worktree の子にしないことが invariant として明確。
- dirty / inconsistent / conflicting orchestration worktree は診断して止め、破壊的 cleanup や上書きをしないことが明確。
- 既存 worktree reuse、root population、`SpawnConfig.workspace_root`、prompt root context、Panel diagnostics について testable な acceptance criteria がある。
Risk flags / reviewer focus:
- `git-worktree`
- `ticket-backend`
- `workspace-state`
- `authority-boundary`
- `persistence`
- `panel-ux`
Open questions:
- blocking な未決定点はない。path / branch naming の具体実装、reuse validation helper の分割、UI diagnostic の表示場所は Ticket 内の制約を満たす範囲で implementation latitude として扱える。
Escalation conditions:
- Ticket backend を Git 外 store に移す必要が出た場合。
- Orchestrator push automation、破壊的 cleanup、main workspace publication policy の全面設計が必要になった場合。
- live conflicting Pod / inconsistent worktree の安全な診断だけでは足りず、人間判断が必要になった場合。
---
<!-- event: intake_summary author: intake at: 2026-06-11T07:40:39Z -->
## Intake summary
既存 Ticket を確認し、00001KTTB479X の closed follow-up として dedicated orchestration worktree を Panel/role launcher から作成・再利用し、Orchestrator の workspace root / Ticket backend root として起動する concrete work item と判断した。blocking な未決定点はなく、git-worktree / ticket-backend / workspace-state / authority-boundary / persistence / panel-ux を reviewer focus として残したうえで implementation_ready。実装は破壊的 cleanup、push automation、Git 外 Ticket store 移行、main workspace publication policy の全面設計を含めない。
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<!-- event: state_changed author: intake at: 2026-06-11T07:40:39Z from: planning to: ready reason: intake_ready field: state -->
## State changed
Intake により要件・境界・受け入れ条件・risk focus が routing 可能な粒度まで確認されたため ready に遷移する。
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<!-- event: state_changed author: workspace-panel at: 2026-06-11T07:41:37Z from: ready to: queued reason: queued field: state -->
## State changed
Ticket を `workspace-panel` が queued にしました。
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<!-- event: state_changed author: orchestrator at: 2026-06-11T07:42:27Z from: queued to: inprogress reason: orchestrator_queue_acceptance field: state -->
## State changed
Queue acceptance: relation query has no blockers, orchestration-plan query has no records, workspace has only this Ticket's panel queue update, and the Ticket is implementation_ready with concrete acceptance criteria for Panel Orchestrator lifecycle root separation. Standing merge-completion authorization is in effect after reviewer approval and safe-workspace checks. Implementation side effects may proceed after this recorded acceptance.
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<!-- event: plan author: orchestrator at: 2026-06-11T07:42:27Z -->
## Plan
Routing decision: implementation_ready
Reason:
- Ticket is `queued`, user/panel authorized routing, relation query has no blockers, and orchestration-plan query has no existing records.
- Workspace dirty state before acceptance is limited to this Ticket's queue update.
- The Ticket has concrete requirements and acceptance criteria for Panel Orchestrator lifecycle dedicated orchestration worktree creation/reuse, root population, safe diagnostics, and tests.
Evidence checked:
- Ticket body/thread/artifacts.
- `TicketRelationQuery`: no blockers.
- `TicketOrchestrationPlanQuery`: no records before this routing pass.
- Workspace/worktree/branch state: main worktree only before acceptance.
- Visible Pods: no active implementation child Pods; restorable Intake peers only.
IntentPacket:
- Intent: make Panel Orchestrator launch create/reuse a dedicated orchestration worktree under the original workspace root and launch Orchestrator with that worktree as runtime workspace/Ticket backend root while preserving original/target roots for implementation worktree creation and merge-completion.
- Binding decisions / invariants: filesystem Ticket backend remains; no Git-external Ticket store; main workspace drafts are not implicit Orchestrator queue; implementation worktrees stay under original workspace `.worktree/<ticket-or-task>` as siblings of orchestration worktree; do not destructively cleanup dirty/unknown orchestration worktrees; no push automation; `SpawnConfig.workspace_root` for Orchestrator must be orchestration worktree.
- Requirements / acceptance criteria: stable collision-safe path/branch naming; safe create/reuse/fail diagnostics; `TicketRoleLaunchContext` roots population; prompt root context remains visible; Panel diagnostics make Orchestrator/Ticket backend root visible; tests for naming/reuse/unsafe diagnostics/root population/spawn config/prompt.
- Implementation latitude: exact helper placement and UI diagnostic wording are flexible if safety and root semantics are preserved.
- Escalate if implementation requires changing Ticket backend authority, adding destructive cleanup, or introducing push automation.
- Validation: focused panel/client tests, `cargo fmt --check`, `git diff --check`, `target/debug/yoi ticket doctor`, and `nix build .#yoi`.
---
<!-- event: implementation_report author: orchestrator at: 2026-06-11T07:54:44Z -->
## Implementation report
Implementation report
Branch/worktree: `panel-orchestration-worktree` / `.worktree/panel-orchestration-worktree`
Commit:
- `47ce4030 feat: launch orchestrator from worktree`
Summary:
- Panel Orchestrator spawn path now prepares a stable dedicated orchestration worktree under `<original-workspace-root>/.worktree/orchestration/<workspace-orchestrator-pod-name>` before spawning a workspace Orchestrator.
- The orchestration worktree uses a stable branch `orchestration/<workspace-orchestrator-pod-name>` and is created with `git worktree add`; if it already exists as a clean Git worktree it is reused.
- Unsafe existing paths are diagnosed without cleanup: non-directory, non-Git worktree, or dirty orchestration worktree state returns an unavailable Orchestrator panel state with a clear error.
- Orchestrator `SpawnConfig.workspace_root` is now the dedicated orchestration worktree root, while `TicketRoleLaunchContext` receives the original workspace root and target workspace root so implementation worktrees and merge-completion still target the original workspace.
- Spawn diagnostics include whether the orchestration worktree was created or reused and the path/branch used.
- Added tests for stable layout naming, root population, invalid existing path diagnostics/no cleanup, create/reuse behavior, dirty reuse refusal, and existing launch-plan tests.
Validation run in branch:
- `cargo fmt --check` passed.
- `cargo test -p tui orchestration --lib` passed.
- `cargo test -p client ticket_role --lib` passed.
- `git diff --check` passed.
- `/home/hare/Projects/yoi/target/debug/yoi ticket doctor` passed.
- `nix build .#yoi` passed.
Notes:
- This keeps filesystem Ticket backend authority and does not add push automation or destructive cleanup. Dirty/unknown orchestration worktree state must be handled explicitly by the operator.
---
<!-- event: review author: reviewer-panel-orchestration-worktree at: 2026-06-11T08:04:39Z status: request_changes -->
## Review: request changes
Branch-local review verdict: request_changes
Blocker:
- Existing expected-path Git worktrees are only checked with `git rev-parse --is-inside-work-tree`; the implementation does not verify that the existing worktree is on the expected `orchestration/<workspace-orchestrator-pod-name>` branch or belongs to the same Git repository/common dir as the original workspace. A conflicting worktree or unrelated repo at the expected path could be reused as the Orchestrator runtime root.
Non-blocking notes:
- Path naming, create/reuse flow, dirty refusal, and root population are directionally correct.
- Reviewer recommended branch/common-dir validation and tests for wrong-branch and unrelated-repo expected-path cases.
Validation run by reviewer before request_changes:
- `cargo test -p tui orchestration --lib` passed.
- `cargo test -p client ticket_role --lib` passed.
- `git diff --check $(git merge-base HEAD develop)..HEAD` passed.
- `/home/hare/Projects/yoi/target/debug/yoi ticket doctor` passed.
- `nix build .#yoi` passed.
No files were modified by reviewer.
---
<!-- event: implementation_report author: orchestrator at: 2026-06-11T08:04:39Z -->
## Implementation report
Fix-loop implementation report
Reviewer blocker fixed in amended implementation commit `67f9009b`:
- Existing expected-path orchestration worktrees now validate current branch equals the expected `orchestration/<workspace-orchestrator-pod-name>` branch before reuse.
- Existing expected-path orchestration worktrees now validate `git rev-parse --git-common-dir` matches the original workspace's Git common dir, so an unrelated repository at the expected path is rejected.
- Wrong-branch and unrelated-repo cases return diagnostics without deleting files.
- Added tests for wrong-branch expected path and unrelated repository with expected branch at the expected path.
Validation after fix:
- `cargo fmt --check` passed.
- `cargo test -p tui orchestration --lib` passed.
- `cargo test -p tui existing_ --lib` passed.
- `cargo test -p client ticket_role --lib` passed.
- `git diff --check` passed.
- `/home/hare/Projects/yoi/target/debug/yoi ticket doctor` passed.
- `nix build .#yoi` passed.
Reviewer `reviewer-panel-orchestration-worktree` has been asked to re-review the amended branch.
---