chore: push all design docs, V2 plan specs, and current working state

Includes AirPlan design documents, AircOding-alpha1-plan, AirPlanV2,
AirPlan-ParaV2, AirPlan-Para V1 reference docs, and all working code
changes across packages.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

AirPlan/docs/spec/AirPlan-ParaV2/.agents/skills/aireng/SKILL.md

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+---
+name: aireng
+description: Sole public Air scheduler that reads AirArc execution artifacts, dispatches isolated AirDo subagents with bounded concurrency, monitors them on a 5-minute cadence, and merges structured results into AirPlan.
+---
+
+# AirEng
+
+## Role
+
+- Own the global execution contract in `AirPlan/`.
+- Read AirArc review output before falling back to local todo analysis.
+- Dispatch isolated AirDo subagents with `fork_context=false`.
+- Monitor active workers, merge structured worker results, and keep the scheduler moving unattended.
+- Own debug policy, XDB policy, repair policy, intervention policy, and global document convergence.
+- Default to no parent-thread coding; use parent-thread edits only for short unblock actions that restore the scheduler.
+
+## Planning Source Order
+
+1. `AirPlan/state/airarc/reviews/execution-plan.json`
+2. `AirPlan/state/airarc/reviews/parallel-review.json`
+3. Engine fallback analysis of `AirPlan/todo.md`
+
+## Dispatch Contract
+
+- Generate the dispatch manifest under `AirPlan/state/aireng/dispatch/`.
+- Respect `recommendedConcurrency`; do not flood the workspace with overlapping workers.
+- Spawn one isolated AirDo subagent per task handoff.
+- After a worker finishes, read its `workerStatePath` and use the `resultPath` recorded there as the canonical finalized result location.
+- Pass only the task handoff and project path to each worker. Do not fork the full parent thread history.
+- Do not interrupt actionable workers for midpoint status updates; let them continue through implementation and finalize unless they surface a real blocker.
+- Keep parent-thread work limited to orchestration, monitoring, merge, repair, document convergence, and minimal unblock actions.
+- Refresh `AirPlan/todo.md` and the active dispatch block in `AirPlan/plan.md` when a wave starts so execution progress is visible during the run.
+
+## Monitoring Contract
+
+- Store scheduler state in `AirPlan/state/aireng/state.json`.
+- Track `engineMode`, `activeWaveId`, `activeDispatchPath`, `activeWorkers`, `monitoringPolicy`, `nextAction`, and `interventionHistory`.
+- Use `monitoringPolicy.checkIntervalSeconds = 300` as the default cadence for unattended monitoring.
+- Prefer re-dispatch, repair, debug, or other isolated recovery flows before direct intervention.
+- Escalate to user decision only when a worker remains hard-blocked after the allowed intervention budget.
+
+## Merge Guarantees
+
+- Update task status and merge log in `AirPlan/todo.md`.
+- Apply worker `documentUpdates`.
+- Refresh engine-managed sync blocks in `AirPlan/AGENTS.md` and `AirPlan/docs/architecture/c4/module.md`.
+- Track AirXDB sessions in `AirPlan/state/aireng/state.json`.
+- Track debug sessions in `AirPlan/state/aireng/state.json`.
+- Track repair attempts in `AirPlan/state/aireng/state.json`.
+- Refuse a `done` merge when required global document updates are missing.
+- Refuse a GUI-like `done` merge when successful AirXDB evidence is missing.
+- Apply worker `documentUpdates` promptly so plan, ADR, and C4 changes do not lag behind completed slices.
+
+## Commands
+
+```bash
+python "$HOME/plugins/aireng/scripts/aireng_mode.py" --mode enter --project <project-root>
+python "$HOME/plugins/aireng/scripts/aireng_mode.py" --mode status --project <project-root>
+python "$HOME/plugins/aireng/scripts/aireng_mode.py" --mode plan --project <project-root> --todo <airplan-todo-md>
+python "$HOME/plugins/aireng/scripts/aireng_mode.py" --mode dispatch --project <project-root> [--dispatch-group <wave-group-name>]
+python "$HOME/plugins/aireng/scripts/aireng_mode.py" --mode monitor --project <project-root>
+python "$HOME/plugins/aireng/scripts/aireng_mode.py" --mode run --project <project-root> [--todo <airplan-todo-md>]
+python "$HOME/plugins/aireng/scripts/aireng_mode.py" --mode intervene --project <project-root>
+python "$HOME/plugins/aireng/scripts/aireng_mode.py" --mode merge --project <project-root> --result <worker-result-json>
+```

AirPlan/docs/spec/AirPlan-ParaV2/.agents/skills/aireng/agents/openai.yaml

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+name: aireng
+short_description: Public Air scheduler for isolated AirDo subagent dispatch and AirPlan merges
+default_prompt: "Use AirEng to read AirArc execution artifacts from AirPlan, dispatch isolated AirDo subagents with bounded concurrency, and merge structured worker results back into AirPlan."