semi implemented and features implemented save checkpoint

docs/features/unchecked/cli/policy-review-workflow-cli.md

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+# Policy Review Workflow CLI
+
+## Module
+Cli
+
+## Status
+IMPLEMENTED
+
+## Description
+Full policy review workflow from CLI: submit policies for review with reviewer assignment and urgency marking, check review status, add blocking/non-blocking comments with line/rule references, approve reviews, and reject reviews with reasons.
+
+## Implementation Details
+- **Command Group**: `src/Cli/StellaOps.Cli/Commands/PolicyCommandGroup.cs` -- policy review commands
+- **Commands**:
+  - `stella policy review submit <file> --reviewer <user>` -- submit for review. Options: `--urgent`
+  - `stella policy review status <id>` -- check review status
+  - `stella policy review comment <id> --message <text>` -- add comment. Options: `--blocking`, `--line <num>`, `--rule <name>`
+  - `stella policy review approve <id>` -- approve review
+  - `stella policy review reject <id> --reason <text>` -- reject with reason
+
+## E2E Test Plan
+- [ ] Run `stella policy review submit ./policy.stella --reviewer admin` and verify submission
+- [ ] Run with `--urgent` and verify urgency flag
+- [ ] Run `stella policy review status <id>` and verify status displayed
+- [ ] Run `stella policy review comment <id> --message "Missing gate" --blocking` and verify blocking comment
+- [ ] Run `stella policy review approve <id>` and verify approval
+- [ ] Run `stella policy review reject <id> --reason "Incomplete coverage"` and verify rejection