feat(assistant): add opencode launcher and phase 6/7 plans

cc-ci-plan/plan-phase6-reconcile-all-mirrors.md

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+# cc-ci Phase 6 — reconcile all enrolled recipe mirrors
+
+**Status:** QUEUED — runs after Builder/Adversary phase 5 is complete.
+**Owner:** `cc-ci-assistant` session only. Not a Builder/Adversary loop phase.
+**This file:** `/srv/cc-ci-orch/cc-ci-plan/plan-phase6-reconcile-all-mirrors.md`
+
+---
+
+## 1. Goal
+
+Bring every enrolled `recipe-maintainers/<recipe>` mirror back into the intended reconciled state
+without involving the Builder/Adversary loops. This is a post-build operational cleanup pass, not a
+loop-verification phase.
+
+## 2. Definition of Done
+
+- [ ] Enumerate the current enrolled recipe mirrors and the expected upstream source for each.
+- [ ] For all mirrors, confirm `main` matches upstream `main` at the intended sync point.
+- [ ] Identify stale open PRs where the change is already in upstream main and close them.
+- [ ] Identify superseded PRs and replace/close them according to current reconcile behavior.
+- [ ] Record the final per-recipe reconcile outcome in a written summary for the operator.
+- [ ] Leave no ad-hoc test branches or temporary working copies behind.
+
+## 3. Method
+
+- Use the assistant's own working copies or scratch clones; do not edit the Builder/Adversary loop
+  clones unless explicitly required.
+- Prefer existing reconcile helpers and documented workflows already used by cc-ci.
+- Keep changes minimal and operationally reversible.
+- If a mirror exposes a genuine product bug instead of a routine reconcile issue, record it clearly
+  and stop short of risky improvisation.
+
+## 4. Deliverables
+
+- A concise operator-facing summary listing:
+  - every mirror checked
+  - any PRs closed/replaced
+  - any mirror left needing manual attention
+
+## 5. Guardrails
+
+- No loop/watchdog changes are part of this phase.
+- No merges without explicit operator instruction.
+- No secret values in notes, commits, or summaries.