Expose prompt requirement inspection

docs/roadmap/implementation.md

@@ -340,6 +340,10 @@ in results/explanations. Run `go test ./internal/prompt`; commit.
 
 ## Stage 5 — Wire Selection And The Public Facade
 
+**Status: Complete (2026-10-08).** The root API now selects captured prompt and
+profile identities, analyzes the exact captured snapshot, and returns
+caller-owned requirement values without entering preparation or execution.
+
 **Outcome:** Consumers can inspect a selected captured prompt before artifacts
 exist, without execution collaborators or readiness checks.