Bind extraction reuse to transcript identity

docs/internal/artifacts.md

@@ -68,7 +68,8 @@ Extraction sources (`narratio.extraction.*`):
 - use the shared typed bundle evidence inspection in `extraction_evidence.go`;
 - require a current successful extract record with the exact configured source,
   compatible contract and Notarius provenance, a confined regular durable
-  payload, and matching checksum;
+  payload, matching checksum, and the current resolved trimmed-transcript
+  identity;
 - remain unavailable unless catalog hydration receives valid evidence. Resume
   treats absent or obsolete evidence as a rerun decision and unsafe evidence as
   an error; and
@@ -169,7 +170,8 @@ physical layout.
 - Registry and resolution: `internal/artifacts/artifact_resolver.go`,
   `internal/artifacts/catalog.go`, `internal/artifacts/transcripts.go`,
   `internal/artifacts/extraction_catalog.go`,
-  `internal/artifacts/extraction_evidence.go`
+  `internal/artifacts/extraction_evidence.go`,
+  `internal/artifacts/extraction_input.go`
 - Current state: `internal/artifacts/current_state.go`
 - Paths and keys: `internal/artifacts/paths.go`,
   `internal/artifacts/s3_keys.go`