add zip agent based code reviewer agent

plugins/compound-engineering/skills/ce-review/references/review-output-template.md

@@ -77,6 +77,15 @@ Use this **exact format** when presenting synthesized review findings. Findings
 - Verify: `SELECT COUNT(*) FROM exports WHERE status IS NULL;` should stay at `0`
 - Rollback: keep the old export path available until the backfill has been validated
 
+### Zip Agent Validation
+
+- Evaluated: 8 zip-agent comments
+- Validated: 2 (appear as findings #3 and #6 above)
+- Collapsed: 6
+  - `app/services/order_service.rb:45`: "Missing error handling" -- handled by ApplicationService base class rescue
+  - `app/controllers/api/orders_controller.rb:18`: "Unbounded query" -- pagination enforced by ApiController concern
+  - _(4 more collapsed for stylistic/formatting concerns)_
+
 ### Coverage
 
 - Suppressed: 2 findings below 0.60 confidence
@@ -109,6 +118,7 @@ Use this **exact format** when presenting synthesized review findings. Findings
 - **Agent-Native Gaps section** -- results from agent-native-reviewer. Omit if no gaps found.
 - **Schema Drift Check section** -- results from schema-drift-detector. Omit if the agent did not run.
 - **Deployment Notes section** -- key checklist items from deployment-verification-agent. Omit if the agent did not run.
+- **Zip Agent Validation section** -- summary of zip-agent comment evaluation: total, validated (with cross-references to findings table), collapsed (with reasons). Omit if the agent did not run.
 - **Coverage section** -- suppressed count, residual risks, testing gaps, failed reviewers
 - **Summary uses blockquotes** for verdict, reasoning, and fix order
 - **Horizontal rule** (`---`) separates findings from verdict