Cleaned up and removed legacy configuration surfaces

docs/internal/adapters.md

@@ -39,11 +39,10 @@ Runtime env boundary fields (`internal/stage.Env`):
 - `scriptorium.Runner`
 - `storage.ObjectStore`
 - `notify.Sender`
-- `analyzer.Runner`
 
 Current execution usage:
 - Actively used by implemented stages: `WhisperX`, `Seriatim`, `Audita`, `Scriptorium`, `ObjectStore`, `Notifier`.
-- Present but not used by implemented stage set: `Analyzer`, legacy `storage.Backend`.
+- Present but not used by implemented stage set: legacy `storage.Backend`.
 
 Default construction in app runner:
 - Auto-constructed when not injected: WhisperX HTTP client, Seriatim subprocess runner, Audita subprocess runner, Scriptorium subprocess runner, object store (only when needed), and `notify.NoopSender`.
@@ -71,7 +70,6 @@ Default construction in app runner:
 - `internal/adapters/scriptorium/subprocess_test.go`
 - `internal/adapters/storage/*_test.go`
 - `internal/adapters/notify/fake_test.go`
-- `internal/adapters/analyzer/fake_test.go`
 - `internal/app/runner_test.go`
 
 ## Architectural invariants

docs/internal/stage-analyze.md

@@ -12,8 +12,7 @@ Inputs:
 Source types used by analyze:
 - built-ins: `narratio.transcript.*`, `narratio.bounds.session`;
 - configured artifacts: `narratio.artifact.<artifact_key>`;
-- canonical previous-session artifacts: `narratio.previous_session.artifact.<artifact_key>`;
-- legacy path-based previous-session source: `previous_session_artifact` (uses `inputs.*.path`).
+- canonical previous-session artifacts: `narratio.previous_session.artifact.<artifact_key>`.
 
 Outputs:
 - promoted configured artifact files at each configured `output_path`;