Complete compatibility purge audit

docs/internal/artifacts.md

@@ -140,7 +140,8 @@ Extraction sources (`narratio.extraction.*`):
 
 Previous-session sources (`narratio.previous_session.artifact.*`):
 
-- resolve only from local `previous/` cache state;
+- resolve only from one matching `previous_artifact` input record in the
+  current manifest, including its exact source ID and checksum;
 - are hydrated only from the unique `published_output` declaration for their
   canonical source in the selected remote commit; and
 - never infer a path from a previous manifest, current configuration, basename,
@@ -202,10 +203,9 @@ Core helpers:
 - `ValidateCurrentStateIdentity`
 - `RemoteCommitManifest` and `CurrentCommitPointer`
 
-Typed missing-state errors:
+Typed missing-state error:
 
-- `CurrentRunPointerMissingError` (`ErrCurrentRunPointerMissing`)
-- `CurrentManifestMissingError` (`ErrCurrentManifestMissing`)
+- `CurrentCommitPointerMissingError` (`ErrCurrentCommitPointerMissing`)
 
 Identity validation supports caller-provided expectations:
 
@@ -262,7 +262,6 @@ physical layout.
   `internal/artifacts/prepared_input.go`
 - Current state: `internal/artifacts/current_state.go`,
   `internal/artifacts/current_state_commit.go`,
-  `internal/artifacts/current_state_legacy.go`
 - Paths and keys: `internal/artifacts/paths.go`,
   `internal/artifacts/s3_keys.go`
 - Previous requirements: `internal/artifacts/previous_requirements.go`

docs/internal/manifest.md

@@ -315,7 +315,6 @@ where a durable running record can require operator interpretation.
   `internal/manifest/run_manifest.go`
 - Remote commit model and readers: `internal/artifacts/remote_commit.go`,
   `internal/artifacts/current_state_commit.go`,
-  `internal/artifacts/current_state_legacy.go`
 - Persistence and validation: `internal/manifest/store.go`
 - Package tests: `internal/manifest/*_test.go`
 - Assembled execution behavior: `internal/app/runner_test.go`,

docs/internal/stage-normalize.md

@@ -15,7 +15,7 @@ Normalize polished transcript into final transcript using Seriatim.
 
 ## Key Behavior
 
-- resolves polished transcript from manifest outputs/canonical fallback.
+- resolves polished transcript only from verified manifest output evidence.
 - applies `pipeline.normalize` config or default normalize config.
 - runs Seriatim normalize with configured timeout/binary.
 - validates normalized transcript and optional report.

docs/internal/stage-polish.md

@@ -16,7 +16,7 @@ Run Audita polishing on base transcript and produce polished transcript.
 
 ## Key Behavior
 
-- resolves base transcript from merge outputs/canonical fallback.
+- resolves base transcript only from verified merge manifest output evidence.
 - invokes an Audita runner configured with static model/runtime options; the
   invocation supplies paths and modules.
 - validates processed transcript structure (`segments` array required).

docs/internal/stage-render.md

@@ -21,7 +21,7 @@ records that may consume rendered transcripts.
 ## Key Behavior
 
 - uses `pipeline.render` settings (enabled/format/title/booleans).
-- resolves inputs manifest-first, then canonical fallback.
+- resolves inputs only from verified manifest output evidence.
 - writes run-local outputs first, then materializes canonical session outputs.
 - records input provenance, output paths, adapter metadata, logs, and generated config refs.
 - when `pipeline.render.enabled=false`, completes successfully with no outputs

docs/roadmap/implementation.md

@@ -373,7 +373,7 @@ consumers require current manifest evidence.
 
 ## Stage 7 — Complete The Purge And Validate The Repository
 
-**Status: Pending**
+**Status: Completed**
 
 ### Goal
 

docs/roadmap/refactoring.md

@@ -150,7 +150,7 @@ keys remain protected without treating ordinary D&D data as private.
 
 ### Workstream 3 — Canonical contracts and compatibility purge
 
-**Status:** Pending
+**Status:** Complete
 
 **Audit sources:** H43 and C01.