feat(P02): opencode integration layer (#2)

18 CI agents, 11 workflows, 11 commands, 5 references, 3 contexts. Zero learnship dependencies.
2026-05-29 13:27:29 +00:00
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+---
+description: Rollback CI phase — revert the last phase or specified phase by resetting to its pre-phase state
+---
+
+# CI Rollback
+
+Rollback a CI phase by reverting to the state before the phase started. Uses git to find the exact commit to reset to.
+
+**Usage:** `ci-rollback [phase_number]`
+
+If no phase specified, rolls back the current (most recent) phase.
+
+## Step 1: Load Git Context
+
+```bash
+git log --max-count=30
+git branch -a
+```
+
+Find the phase branch and its merge commit.
+
+## Step 2: Identify Rollback Point
+
+For the specified phase:
+1. Find the merge commit that completed the phase
+2. Find the commit just before the phase branch was created
+3. This is the rollback point
+
+```bash
+git log --grep="P##" --format="%H %s" | head -20
+```
+
+## Step 3: Confirm (Safety Gate)
+
+Even in full autonomy mode, destructive operations need confirmation:
+
+```
+⚠ ROLLBACK: This will revert Phase [N] — [name]
+
+Rollback point: [commit hash] [subject]
+Changes to be lost: [N] commits
+
+Proceed? (y/n)
+```
+
+Wait for confirmation. This is a safety gate — always confirm destructive operations.
+
+## Step 4: Execute Rollback
+
+```bash
+git revert [merge_commit_hash]
+```
+
+Or for a hard rollback (not recommended, only if explicitly requested):
+```bash
+git reset --hard [rollback_point]
+```
+
+## Step 5: Update State
+
+- Delete the phase branch (if not already removed)
+- Update `.ci/REQUIREMENTS.md` — mark phase requirements as blocked
+- Update `.ci/ROADMAP.md` — mark phase as not_started
+
+Commit the rollback:
+
+```
+chore(P##): rollback [phase-name] — [reason]
+
+---ci---
+phase: [N]
+milestone: [vX.X]
+status: specify
+escalations:
+  - id: E-XXX
+    type: rollback
+    description: Phase rolled back
+    resolution: auto
+---/ci---
+```
+
+## Step 6: Report
+
+Report rollback complete, rollback point, and next steps.