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git.stella-ops.org/docs/features/unchecked/cli/function-map-cli.md

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# Function Map CLI
## Module
Cli
## Status
IMPLEMENTED
## Description
Runtime linkage verification workflow: generate function_map predicates from SBOMs defining expected runtime call paths and hot functions, then verify actual runtime observations against the map with DSSE signing and Rekor attestation.
## Implementation Details
- **Command Group**: `src/Cli/StellaOps.Cli/Commands/FunctionMap/FunctionMapCommandGroup.cs` -- `FunctionMapCommandGroup`
- **Commands**:
- `stella function-map generate <sbom>` -- generate function_map predicate from SBOM
- `stella function-map verify <map> --observations <file>` -- verify runtime observations against function map
- `stella function-map sign <map>` -- DSSE-sign the function map
- `stella function-map attest <map>` -- submit function map to Rekor
- **Proof Commands**: `src/Cli/StellaOps.Cli/Commands/Proof/FuncProofCommandGroup.cs` -- function proof generation
- **Proof Handlers**: `src/Cli/StellaOps.Cli/Commands/Proof/FuncProofCommandHandlers.cs` -- function proof handlers
## E2E Test Plan
- [ ] Run `stella function-map generate ./sbom.json` and verify function_map predicate generated
- [ ] Run `stella function-map verify ./map.json --observations ./runtime.json` and verify verification results
- [ ] Verify mismatch detection when runtime observations differ from expected map
- [ ] Run `stella function-map sign ./map.json` and verify DSSE signing
- [ ] Run `stella function-map attest ./map.json` and verify Rekor submission
- [ ] Verify `--format json` output