semi implemented and features implemented save checkpoint

docs/features/unchecked/cli/policy-history-cli.md

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+# Policy History CLI
+
+## Module
+Cli
+
+## Status
+IMPLEMENTED
+
+## Description
+View policy run history with filtering by tenant, time range (from/to ISO-8601), status (completed/failed/running), pagination, and table/JSON output.
+
+## Implementation Details
+- **Command Group**: `src/Cli/StellaOps.Cli/Commands/PolicyCommandGroup.cs` -- policy history commands
+- **Commands**:
+  - `stella policy history` -- view policy run history. Options: `--tenant <id>`, `--from <ISO-8601>`, `--to <ISO-8601>`, `--status completed|failed|running`, `--limit`, `--offset`, `--format table|json`
+
+## E2E Test Plan
+- [ ] Run `stella policy history` and verify policy run history displayed
+- [ ] Run with `--tenant <id>` and verify tenant filtering
+- [ ] Run with `--from 2024-01-01 --to 2024-12-31` and verify time range filtering
+- [ ] Run with `--status failed` and verify status filtering
+- [ ] Verify pagination with `--limit` and `--offset`
+- [ ] Verify `--format json` output