[R9.2] Debugging toolkit for contract and path analysis

[a-a-k]

Context

Epic: R9. UX and explainability

Scope

Provide debugging tooling for common consumer failures: missing paths, disputed edges, contract mismatch, endpoint impact tracing.

Definition of Done

Engineer can reproduce and localize model/contract/policy problems from CLI outputs and helper diagnostics.

[a-a-k]

Progress update (March 3, 2026)

Status: Started (10%)

Implemented so far

• Improved diagnostics for schema mismatch and contract failures in CLI flow.

Remaining to close this issue

• Add debugging toolkit for missing path, disputed edge, and endpoint impact root-cause workflows.

[a-a-k]

Second-pass pivot update (March 3, 2026): status = planned. Dedicated debugging toolkit remains unimplemented beyond current CLI errors.