Reintroduce normalize stage scaffold

README.md

@@ -10,6 +10,7 @@ Implemented now:
 - local workspace/session layout, locking, and manifest persistence
 - resumable stage control (`run`, `plan`, `resume`, `run-stage`, `status`)
 - real `prepare`, `transcribe`, `merge`, `polish`, `trim`, and `analyze` stages
+- placeholder `normalize` stage
 - real WhisperX, Seriatim, and Audita adapters
 - real Scriptorium subprocess adapter
 - optional Scriptorium render diagnostics (`render_debug`)
@@ -36,15 +37,17 @@ YAML decoding is strict (`KnownFields(true)`), so unknown fields fail fast.
 2. `transcribe`
 3. `merge`
 4. `polish`
-5. `trim`
-6. `analyze`
-7. `archive`
-8. `notify`
+5. `normalize`
+6. `trim`
+7. `analyze`
+8. `archive`
+9. `notify`
 
 ## Transcript Tiers
 
 - `transcripts/merged.json`: canonical deterministic merged transcript from Seriatim merge
 - `transcripts/processed.json`: full polished transcript from Audita polish
+- `transcripts/normalized.json`: placeholder normalized transcript (Seriatim schema pass-through for now)
 - `transcripts/trimmed.json`: gameplay-only polished transcript from trim stage
 
 ## Trim Configuration
@@ -83,9 +86,9 @@ trim:
 
 Trim behavior summary:
 
-- trim discovers and validates `transcripts/processed.json`
+- trim discovers and validates `transcripts/normalized.json`
 - trim uses Scriptorium bounds (`dnd_session.bounds` by example config) to produce `artifacts/session_bounds.json`
-- bounds IDs are validated against the same processed transcript ID space that Seriatim trim will consume
+- bounds IDs are validated against the same normalized transcript ID space that Seriatim trim will consume
 - trim converts bounds to Seriatim keep selector (for example `10-868`) and runs Seriatim trim
 - if trim is disabled, Narratio copies processed transcript to trimmed transcript and records `trim_action=copy_disabled`
 
@@ -233,8 +236,8 @@ If prepared inputs or prompt/runtime config change, rerun the appropriate upstre
 
 Examples:
 
-- glossary/autocorrect/speaker-context changes: rerun at least `merge`, `polish`, `trim`, and `analyze`
-- trim bounds prompt/profile/config changes: rerun at least `trim` and `analyze`
+- glossary/autocorrect/speaker-context changes: rerun at least `merge`, `polish`, `normalize`, `trim`, and `analyze`
+- trim bounds prompt/profile/config changes: rerun at least `normalize`, `trim`, and `analyze`
 - session recap prompt/profile/input-source changes: rerun `analyze`
 
 ## Roadmap