semi implemented and features implemented save checkpoint

docs/features/unchecked/cli/cli-vex-consensus-commands.md

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+# CLI VEX Consensus Commands
+
+## Module
+Cli
+
+## Status
+IMPLEMENTED
+
+## Description
+VEX consensus workflow commands (`stella vex consensus list/show/simulate/export`) for querying quorum status, trust/threshold overrides, and exporting NDJSON bundles with signature verification.
+
+## Implementation Details
+- **Command Group**: `src/Cli/StellaOps.Cli/Commands/VexCommandGroup.cs` -- VEX command group including consensus subcommands
+- **VEX Gate Scan**: `src/Cli/StellaOps.Cli/Commands/VexGateScanCommandGroup.cs` -- VEX gate scan operations
+- **VEX Gen**: `src/Cli/StellaOps.Cli/Commands/VexGenCommandGroup.cs` -- VEX generation commands
+- **Tests**: `src/Cli/__Tests/StellaOps.Cli.Tests/Commands/VexGateCommandTests.cs`, `VexVerifyCommandTests.cs`
+- **Commands**:
+  - `stella vex consensus list` -- list consensus states with quorum status
+  - `stella vex consensus show <cve>` -- show consensus details for a CVE
+  - `stella vex consensus simulate --trust <level> --threshold <value>` -- simulate consensus with overrides
+  - `stella vex consensus export --format ndjson` -- export consensus bundle with signatures
+
+## E2E Test Plan
+- [ ] Run `stella vex consensus list` and verify consensus states with quorum indicators
+- [ ] Run `stella vex consensus show CVE-2024-1234` and verify detailed consensus for a CVE
+- [ ] Run `stella vex consensus simulate --trust high --threshold 0.8` and verify simulated outcome
+- [ ] Run `stella vex consensus export --format ndjson --output ./consensus.ndjson` and verify signed bundle
+- [ ] Verify signature verification on exported bundles
+- [ ] Verify `--format json` for automation