yoi/.yoi/tickets/00001KVHR3WSW/thread.md

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<!-- event: create author: "yoi ticket" at: 2026-06-20T05:30:04Z -->
## 作成
LocalTicketBackend によって作成されました。
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<!-- event: state_changed author: workspace-panel at: 2026-06-20T05:59:05Z 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: decision author: yoi-orchestrator at: 2026-06-20T06:00:44Z -->
## Decision
Routing decision: blocked_pending_dependency
Panel Queue により routing 対象として確認したが、`00001KVHR3WSW` は `00001KVHR3WS6``depends_on` している。list_changed handling は initial tools/list registration を前提にするため、`00001KVHR3WS6` が closed になるまで実装開始せず queued のまま保持する。
Next:
- `00001KVHR3WS6` が closed になった後、改めて reroute する。
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<!-- event: decision author: yoi-orchestrator at: 2026-06-20T10:07:00Z -->
## Decision
Routing decision: implementation_ready
Reason:
- User directive: 「blocker無いなら並列にやっちゃえよ」。現在 inprogress は 0 件であり、最後に残った queued Ticket の dependency blocker も解消済みのため開始する。
- 前回は `00001KVHR3WS6` initial tools/list registration が未完了だったため blocked/queued hold としたが、現在 `00001KVHR3WS6` は closed。
- Related resources/prompts operations Ticket `00001KVHR3WSN` も closed になっており、tools/resources/prompts list_changed をまとめて扱う context が揃っている。
- Ticket body は `notifications/tools/list_changed`, `notifications/resources/list_changed`, `notifications/prompts/list_changed` の handling、current run schema consistency、prompt-cache/history invariants、deterministic refresh/diagnostic behavior、unsafe refresh fallback を実装可能な粒度で定義している。
- Orchestrator worktree は clean、matching branch/worktree はなし。
- Risk domain は mcp / notifications / tool-schema / prompt-cache / refresh だが、Ticket は current run schema consistency、no hidden context mutation、bounded diagnostics を明示している。bounded context check 後も implementation 前に必要な追加 human decision は見つからなかった。
Evidence checked:
- Ticket `00001KVHR3WSW` body / thread / relations / artifacts。
- `TicketRelationQuery(00001KVHR3WSW)`: outgoing `depends_on 00001KVHR3WS6` is now closed。
- `TicketOrchestrationPlanQuery(00001KVHR3WSW)`: previous `blocked_by 00001KVHR3WS6` is resolved; accepted plan recorded now。
- Workspace state:
- Orchestrator worktree clean at `b11f83c8`
- queued: this Ticket only。
- inprogress: 0。
- spawned child implementation Pods: 0。
- no matching MCP list_changed branch/worktree。
IntentPacket:
Intent:
- Handle MCP list_changed notifications without silently staying stale forever and without mutating active-run model-visible tool schema or prompt/context history invariants unsafely。
- Implement a deterministic safe-boundary refresh / restart-required diagnostic / next-turn refresh policy that covers tools/resources/prompts list changes。
Binding decisions / invariants:
- Do not mutate current LLM context with hidden resource/prompt content。
- Do not unexpectedly mutate active run tool schema in a way that breaks request/history/prompt-cache invariants。
- list_changed notifications are signals; they should produce bounded state/diagnostic and deterministic refresh behavior at safe boundaries。
- Bounded diagnostics should identify server and list kind without leaking secrets。
- Preserve existing explicit Tool operations for tools/resources/prompts。
- Do not implement remote transports, sampling, or elicitation。
Requirements / acceptance criteria:
- Handle `notifications/tools/list_changed`, `notifications/resources/list_changed`, and `notifications/prompts/list_changed`
- list_changed does not silently stale forever。
- Current run tool schema consistency is not broken。
- Refresh/diagnostic behavior is deterministic and documented。
- Prompt-context/history invariants are preserved。
- Tests cover tools/resources/prompts list_changed and unsafe refresh fallback。
Escalate if:
- Safe refresh requires changing Worker history/model schema lifecycle beyond this Ticket。
- Current provider/feature architecture cannot represent pending refresh diagnostics without broad redesign。
- A live schema mutation would be required to satisfy the feature expectation; stop instead and record restart/next-turn policy。
Next action:
- Record `queued -> inprogress` and commit Ticket records before creating implementation worktree and spawning Coder。
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<!-- event: state_changed author: yoi-orchestrator at: 2026-06-20T10:07:07Z from: queued to: inprogress reason: orchestrator_acceptance_mcp_list_changed field: state -->
## State changed
User explicitly authorized implementation when no blocker exists. Ticket body/thread, relation metadata, closed MCP tool-registration dependency, closed resources/prompts context, Orchestrator worktree state, visible Pods, existing branch/worktree, and bounded list_changed/schema/history context were checked. Dependency `00001KVHR3WS6` is closed, no inprogress/capacity blocker exists, no matching worktree/branch exists, and no missing planning decision was found. Accepting this queued Ticket for implementation before worktree/Pod side effects.
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