Trim needless comments and fix the picker width

Remove comments that only restate the code, keeping the section banners
and the notes that carry a reason, a measured fact or an external
contract.

ButtonOptions.width claimed to be a fixed width but only set minWidth,
so the Graph and Texture pickers grew with the name they showed. It is
now what it promises, with a separate minWidth for the buttons that have
two forms. Narrow buttons shrink their padding, otherwise a 24px icon
button had 8px left for its glyph and truncate dropped it entirely.

__gm.labelsDropped() guards that class: the overflow guard only saw text
that was too wide, never a label truncated to nothing.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

src/core/properties/resolve.ts

@@ -4,8 +4,8 @@ import type { SceneObject } from '../model/SceneObject';
 import { propDef, schemaForAsset } from './PropertySchema';
 
 /**
- * Effective property values of an asset: schema defaults filled with the asset's own values.
- * Keys unknown to the schema are ignored, so stale data never leaks into the editor.
+ * Schema defaults filled with the asset's own values. Keys unknown to the schema are ignored, so
+ * stale data never leaks into the editor.
  */
 export function resolveAssetProps(asset: Asset): PropertyBag {
   const bag: PropertyBag = {};
@@ -16,10 +16,7 @@ export function resolveAssetProps(asset: Asset): PropertyBag {
   return bag;
 }
 
-/**
- * Effective property values of a scene object: asset values with the object's sparse
- * overrides applied on top. This is the ONLY place where overrides are merged.
- */
+/** The only place where overrides are merged onto asset values. */
 export function resolveSceneObjectProps(asset: Asset, object: SceneObject): PropertyBag {
   const bag = resolveAssetProps(asset);
   for (const def of schemaForAsset(asset)) {
@@ -33,10 +30,7 @@ export function isOverridden(object: SceneObject, key: string): boolean {
   return object.overrides[key] !== undefined;
 }
 
-/**
- * Whether the asset's own value for `key` differs from the schema default – the asset-level
- * counterpart of an override. The inspector highlights such values and offers a reset.
- */
+/** Whether the asset's own value differs from the schema default – the asset-level override. */
 export function isModified(asset: Asset, key: string): boolean {
   const def = propDef(asset, key);
   if (!def) return false;
@@ -44,25 +38,20 @@ export function isModified(asset: Asset, key: string): boolean {
   return own !== undefined && own !== def.default;
 }
 
-/** Value the object would have without its override for `key` (the asset's value). */
+/** The value the object would have without its override for `key`. */
 export function inheritedValue(asset: Asset, key: string): PropertyValue | undefined {
   return resolveAssetProps(asset)[key];
 }
 
-/**
- * Whether the object's value for `key` really differs from the asset's – an override that
- * happens to carry the asset's own value is none. The inspector offers "reset"/"apply" only
- * where they would change something, so this is what decides whether the buttons appear.
- */
+/** An override that happens to carry the asset's own value does not count as a deviation. */
 export function deviatesFromAsset(object: SceneObject, asset: Asset, key: string): boolean {
   const own = object.overrides[key];
   return own !== undefined && own !== inheritedValue(asset, key);
 }
 
 /**
- * Whether the object's override for `key` differs from the template it was instantiated from.
- * Compared as overrides, not as effective values: both sides resolve against the same asset,
- * so "neither overrides" means equal even when the asset value changed since.
+ * Compared as overrides, not as effective values: both sides resolve against the same asset, so
+ * "neither overrides" means equal even when the asset value changed since.
  */
 export function deviatesFromTemplate(object: SceneObject, template: SceneObject, key: string): boolean {
   return object.overrides[key] !== template.overrides[key];