semi implemented and features implemented save checkpoint

docs/features/unchecked/cli/image-inspect-cli-command.md

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+# Image Inspect CLI Command
+
+## Module
+Cli
+
+## Status
+IMPLEMENTED
+
+## Description
+CLI command `stella image inspect` for querying OCI image metadata including manifest type, architecture platforms, layer digests, annotations, and SBOM/attestation referrers in table or JSON output.
+
+## Implementation Details
+- **Command Group**: `src/Cli/StellaOps.Cli/Commands/ImageCommandGroup.cs` -- `ImageCommandGroup` for `stella image` commands
+- **Command Handlers**: `src/Cli/StellaOps.Cli/Commands/CommandHandlers.Image.cs` -- image command handlers
+- **OCI Registry Client**: `src/Cli/StellaOps.Cli/Services/OciRegistryClient.cs` / `IOciRegistryClient.cs` -- OCI registry operations
+- **OCI Reference Parser**: `src/Cli/StellaOps.Cli/Services/OciImageReferenceParser.cs` -- parses image references
+- **Tests**: `src/Cli/__Tests/StellaOps.Cli.Tests/GoldenOutput/ImageInspectGoldenOutputTests.cs`
+- **Commands**:
+  - `stella image inspect <image>` -- inspect OCI image metadata. Options: `--format table|json`, `--verbose`
+  - Shows: manifest type, architecture platforms, layer digests, annotations, referrers (SBOMs, attestations)
+
+## E2E Test Plan
+- [ ] Run `stella image inspect myregistry/app:v1.0` and verify metadata displayed
+- [ ] Verify manifest type shown (OCI, Docker)
+- [ ] Verify architecture platforms listed (linux/amd64, linux/arm64, etc.)
+- [ ] Verify layer digests displayed with sizes
+- [ ] Verify annotations shown
+- [ ] Verify SBOM/attestation referrers listed
+- [ ] Run with `--format json` and verify structured JSON output
+- [ ] Verify golden output tests pass