Normalize feat names (#8)

Reviewed-on: https://gitea.westgate.pw/ShadowsOverWestgate/sow-tools/pulls/8
Co-authored-by: vickydotbat <vickydotbat@tutamail.com>
Co-committed-by: vickydotbat <vickydotbat@tutamail.com>

internal/topdata/FEAT_GENERATED_FAMILIES_CONTRACT.md

@@ -68,6 +68,10 @@ Compact family-expansion shape:
     "dataset": "skills",
     "predicate": "accessible"
   },
+  "title_style": {
+    "child_case": "lower",
+    "child_parenthetical": "comma"
+  },
   "overrides": {
     "skills:craft_alchemy": {
       "ICON": "ife_foc_alchm"
@@ -103,6 +107,10 @@ Weapon family shape:
     "dataset": "baseitems",
     "column": "WeaponFocusFeat"
   },
+  "title_style": {
+    "child_case": "lower",
+    "child_parenthetical": "preserve"
+  },
   "overrides": {
     "baseitems:heavymace": {
       "ICON": "ife_wepfoc_Lma"
@@ -118,7 +126,7 @@ Rules:
 - `family` is descriptive only; the builder does not hardcode family names
 - family behavior is driven by authored fields such as `template_fields`,
   `default_fields`, `apply_after_modules`, `identity_source`, `child_ref_field`,
-  and `auto_prereq_fields`
+  `auto_prereq_fields`, and optional `title_style`
 - `default_fields` is a family-wide shared layer; it applies to existing and newly
   generated child rows before per-child overrides are merged
 - `apply_after_modules: true` makes the generated family the final authoritative shared
@@ -131,6 +139,16 @@ Rules:
 - family-expansion files must declare `template`, `family_key`, and `child_source.dataset`
 - `child_source.column` is used when expansion is gated by a non-null source field
 - `child_source.predicate: "accessible"` currently means `HideFromLevelUp != 1`
+- `title_style` only changes generated child display text while composing titles;
+  generated feat keys, TLK keys, row IDs, family metadata, and source references
+  remain tied to generated family identity
+- `title_style.child_case` defaults to `preserve`; `lower` lowercases the resolved
+  child display text after parenthetical formatting
+- `title_style.child_parenthetical` defaults to `preserve`; `comma` flattens one
+  child parenthetical suffix such as `Knowledge (local)` into
+  `Knowledge, local` before the child text is wrapped by the family title
+- unsupported `title_style` values fail generated-family validation instead of
+  silently changing title behavior
 - skill focus families intentionally do not set `allow_existing_only`, so any new
   accessible skill automatically receives matching focus rows
 - compact `overrides` are keyed by source dataset key: