Extract item template metadata policy

category_template_metadata.py

@@ -0,0 +1,88 @@
+from __future__ import annotations
+
+import re
+from typing import Any
+
+try:
+    from .hardcore_action_metadata import normalize_hardcore_action_family
+    from .hardcore_position_config import normalize_hardcore_position_family, normalize_hardcore_position_values
+except ImportError:  # Allows local smoke tests from the repository root.
+    from hardcore_action_metadata import normalize_hardcore_action_family
+    from hardcore_position_config import normalize_hardcore_position_family, normalize_hardcore_position_values
+
+
+TEMPLATE_METADATA_KEYS = (
+    "action_family",
+    "action_type",
+    "family",
+    "position_family",
+    "position_key",
+    "position_keys",
+    "formatter_hint",
+)
+
+
+def template_metadata(item: Any) -> dict[str, Any]:
+    if not isinstance(item, dict):
+        return {}
+    return {key: item[key] for key in TEMPLATE_METADATA_KEYS if key in item}
+
+
+def template_position_family(metadata: dict[str, Any]) -> str:
+    return normalize_hardcore_position_family(
+        metadata.get("position_family") or metadata.get("family"),
+        "",
+    )
+
+
+def template_position_keys(metadata: dict[str, Any]) -> list[str]:
+    keys: list[Any] = []
+    if metadata.get("position_keys") is not None:
+        raw_keys = metadata.get("position_keys")
+        keys.extend(raw_keys if isinstance(raw_keys, list) else [raw_keys])
+    if metadata.get("position_key") is not None:
+        keys.append(metadata.get("position_key"))
+    return normalize_hardcore_position_values(keys)
+
+
+def template_action_family(metadata: dict[str, Any]) -> str:
+    return normalize_hardcore_action_family(metadata.get("action_family") or metadata.get("action_type"), "")
+
+
+def merge_position_keys(primary: list[str], fallback: list[str]) -> list[str]:
+    merged: list[str] = []
+    for key in [*primary, *fallback]:
+        if key and key not in merged:
+            merged.append(key)
+    return merged
+
+
+def _position_key_slug(value: Any) -> str:
+    return re.sub(r"[^a-z0-9]+", "_", str(value or "").strip().lower()).strip("_")
+
+
+def template_metadata_errors(metadata: dict[str, Any]) -> list[str]:
+    errors: list[str] = []
+    raw_action_family = metadata.get("action_family") or metadata.get("action_type")
+    if raw_action_family and not template_action_family(metadata):
+        errors.append(f"unknown action_family/action_type: {raw_action_family}")
+    raw_position_family = metadata.get("position_family") or metadata.get("family")
+    if raw_position_family and not template_position_family(metadata):
+        errors.append(f"unknown position_family/family: {raw_position_family}")
+    raw_position_keys = []
+    if metadata.get("position_keys") is not None:
+        values = metadata.get("position_keys")
+        raw_position_keys.extend(values if isinstance(values, list) else [values])
+    if metadata.get("position_key") is not None:
+        raw_position_keys.append(metadata.get("position_key"))
+    normalized_keys = template_position_keys(metadata)
+    invalid_keys = [
+        str(value)
+        for value in raw_position_keys
+        if str(value or "").strip()
+        and str(value or "").strip() != "any"
+        and _position_key_slug(value) not in normalized_keys
+    ]
+    if invalid_keys:
+        errors.append("unknown position key(s): " + ", ".join(invalid_keys))
+    return errors

docs/prompt-architecture-improvement-plan.md

@@ -124,6 +124,9 @@ Already isolated:
 - JSON category loading, subcategory normalization, named scene/expression/
   composition pool loading, cast compatibility filtering, exact subcategory
   lookup, and inheritance-based pool merging live in `category_library.py`.
+- object-style item-template metadata extraction, action/position family
+  normalization, position-key normalization, and metadata audit errors live in
+  `category_template_metadata.py`.
 - category/cast route preset schemas, config JSON builders, choice lists, and
   parsers live in `category_cast_config.py`; `prompt_builder.py` keeps public
   delegate wrappers for existing nodes and tests.

docs/prompt-pool-routing-map.md

@@ -68,6 +68,7 @@ Core helper ownership:
 | Python module | What it owns |
 | --- | --- |
 | `category_library.py` | JSON category loading, subcategory normalization, named scene/expression/composition pool loading, cast compatibility filtering, exact subcategory lookup, and inheritance-based pool merging. |
+| `category_template_metadata.py` | Object-style item-template metadata extraction, action/position family normalization, position-key normalization, key merging, and audit validation errors. |
 | `category_cast_config.py` | Category preset and cast preset schemas, category/cast config JSON builders, choice lists, and config parsers used by route nodes. |
 | `camera_config.py` | Camera option schema, direct/orbit/Qwen camera JSON builders, camera config parsing, plain camera directive text, and camera caption labels. |
 | `character_config.py` | Character choice lists, descriptor detail/presence/slot-seed normalization, characteristic-list JSON builders/parsers, eye labels, hair config builders/parsers, and hair phrase helpers. |

prompt_builder.py

@@ -24,6 +24,7 @@ try:
         template_list as _template_list,
     )
     from . import camera_config as camera_policy
+    from . import category_template_metadata as item_template_policy
     from . import character_config as character_policy
     from . import character_profile as character_profile_policy
     from . import category_cast_config as category_cast_policy
@@ -45,7 +46,7 @@ try:
         sanitize_hardcore_axis_values as _sanitize_hardcore_axis_values,
         sanitize_hardcore_environment_anchors as _sanitize_hardcore_environment_anchors,
     )
-    from .hardcore_action_metadata import normalize_hardcore_action_family, source_hardcore_action_family
+    from .hardcore_action_metadata import source_hardcore_action_family
     from .hardcore_role_graphs import build_hardcore_role_graph
 except ImportError:  # Allows local smoke tests with `python -c`.
     from category_library import (
@@ -64,6 +65,7 @@ except ImportError:  # Allows local smoke tests with `python -c`.
         template_list as _template_list,
     )
     import camera_config as camera_policy
+    import category_template_metadata as item_template_policy
     import character_config as character_policy
     import character_profile as character_profile_policy
     import category_cast_config as category_cast_policy
@@ -85,7 +87,7 @@ except ImportError:  # Allows local smoke tests with `python -c`.
         sanitize_hardcore_axis_values as _sanitize_hardcore_axis_values,
         sanitize_hardcore_environment_anchors as _sanitize_hardcore_environment_anchors,
     )
-    from hardcore_action_metadata import normalize_hardcore_action_family, source_hardcore_action_family
+    from hardcore_action_metadata import source_hardcore_action_family
     from hardcore_role_graphs import build_hardcore_role_graph
 
 
@@ -301,50 +303,23 @@ def _item_name(item: Any) -> str:
 
 
 def _template_metadata(item: Any) -> dict[str, Any]:
-    if not isinstance(item, dict):
+    return item_template_policy.template_metadata(item)
-        return {}
-    metadata: dict[str, Any] = {}
-    for key in (
-        "action_family",
-        "action_type",
-        "family",
-        "position_family",
-        "position_key",
-        "position_keys",
-        "formatter_hint",
-    ):
-        if key in item:
-            metadata[key] = item[key]
-    return metadata
 
 
 def _template_position_family(metadata: dict[str, Any]) -> str:
-    return _normalize_hardcore_position_family(
+    return item_template_policy.template_position_family(metadata)
-        metadata.get("position_family") or metadata.get("family"),
-        "",
-    )
 
 
 def _template_position_keys(metadata: dict[str, Any]) -> list[str]:
-    keys: list[Any] = []
+    return item_template_policy.template_position_keys(metadata)
-    if metadata.get("position_keys") is not None:
-        raw_keys = metadata.get("position_keys")
-        keys.extend(raw_keys if isinstance(raw_keys, list) else [raw_keys])
-    if metadata.get("position_key") is not None:
-        keys.append(metadata.get("position_key"))
-    return _normalize_hardcore_position_values(keys)
 
 
 def _template_action_family(metadata: dict[str, Any]) -> str:
-    return normalize_hardcore_action_family(metadata.get("action_family") or metadata.get("action_type"), "")
+    return item_template_policy.template_action_family(metadata)
 
 
 def _merge_position_keys(primary: list[str], fallback: list[str]) -> list[str]:
-    merged: list[str] = []
+    return item_template_policy.merge_position_keys(primary, fallback)
-    for key in [*primary, *fallback]:
-        if key and key not in merged:
-            merged.append(key)
-    return merged
 
 
 def _oral_acts_for_position(values: list[Any], position: str) -> list[Any]:

tools/prompt_map_audit.py

@@ -10,11 +10,17 @@ from __future__ import annotations
 import ast
 import json
 import re
+import sys
 from pathlib import Path
 from typing import Any
 
 
 ROOT = Path(__file__).resolve().parents[1]
+if str(ROOT) not in sys.path:
+    sys.path.insert(0, str(ROOT))
+
+import category_template_metadata as template_metadata_policy  # noqa: E402
+
 POOL_DEFINITION_KEYS = ("scene_pools", "expression_pools", "composition_pools")
 POOL_REFERENCE_KEYS = {
     "scene_pool": "scene_pools",
@@ -187,6 +193,9 @@ def _template_axis_errors(path: str, node: dict[str, Any]) -> list[tuple[str, st
                 or template.get("name")
                 or ""
             ).strip()
+            metadata = template_metadata_policy.template_metadata(template)
+            for issue in template_metadata_policy.template_metadata_errors(metadata):
+                errors.append((template_path, issue))
         elif isinstance(template, str):
             template_text = template
         else:

tools/prompt_smoke.py

@@ -25,6 +25,7 @@ if str(ROOT) not in sys.path:
 
 import caption_naturalizer  # noqa: E402
 import caption_policy  # noqa: E402
+import category_template_metadata  # noqa: E402
 import character_config  # noqa: E402
 import character_profile  # noqa: E402
 import category_cast_config  # noqa: E402
@@ -1212,6 +1213,23 @@ def smoke_hardcore_position_config_policy() -> None:
     _expect(pb._template_position_family(template_metadata) == "oral", "Template metadata route lost position family")
     _expect(pb._template_position_keys(template_metadata) == ["kneeling", "open_thighs"], "Template metadata route lost position keys")
     _expect(pb._template_action_family(template_metadata) == "oral", "Template metadata route lost normalized action family")
+    _expect(
+        pb._template_action_family(template_metadata) == category_template_metadata.template_action_family(template_metadata),
+        "Prompt builder template action policy should delegate",
+    )
+    _expect(
+        category_template_metadata.template_metadata_errors(template_metadata) == [],
+        "Valid template metadata should not report audit errors",
+    )
+    invalid_metadata = {
+        "action_family": "bad_action",
+        "position_family": "bad_family",
+        "position_keys": ["kneeling", "bad_position"],
+    }
+    invalid_errors = category_template_metadata.template_metadata_errors(invalid_metadata)
+    _expect(any("bad_action" in error for error in invalid_errors), "Template metadata validation missed bad action")
+    _expect(any("bad_family" in error for error in invalid_errors), "Template metadata validation missed bad family")
+    _expect(any("bad_position" in error for error in invalid_errors), "Template metadata validation missed bad position key")
 
 
 def smoke_category_library_route() -> None: