Extract Krea POV action helpers

docs/prompt-architecture-improvement-plan.md

@@ -135,8 +135,8 @@ Owner: `krea_formatter.py`.
 Keep here:
 
 - Krea prose style;
-- hardcore action sentence rewriting;
-- POV sentence rewriting;
+- Krea route orchestration;
+- remaining hardcore action sentence dispatch;
 - camera-scene preservation;
 - fallback text parsing.
 
@@ -151,11 +151,14 @@ Already isolated:
   POV formatter routes.
 - `krea_pov.py` owns POV labels, POV label filtering, and POV camera/composition
   support text.
+- `krea_detail.py` owns generic detail-clause splitting, deduping, joining, and
+  density limiting for Krea action prose.
+- `krea_pov_actions.py` owns POV hardcore action sentence rewriting and
+  first-person body geometry.
 
 Improve later:
 
-- split semantic blocks into modules:
-  `krea_actions.py`, `krea_pov_actions.py`;
+- split the remaining non-POV hardcore action dispatcher into `krea_actions.py`;
 - add route-level smoke fixtures for representative metadata rows;
 - make `_hardcore_action_sentence` dispatch by action family instead of long
   conditional chains.
@@ -282,7 +285,7 @@ Near-term:
 Medium-term:
 
 - Dispatch action rewriting by action family.
-- Split Krea semantic helpers into smaller modules.
+- Continue splitting remaining Krea semantic helpers into smaller modules.
 
 ### SDXL
 
@@ -336,7 +339,7 @@ Medium-term:
 
 ## Recommended Next Passes
 
-1. Split Krea action/POV helpers into separate modules, using
+1. Split the remaining Krea action dispatcher into `krea_actions.py`, using
    `krea_cast.py` as the pattern for stable import aliases and smoke coverage.
 2. Split `__init__.py` node classes by family after behavior is covered by smoke
    checks.