feat: вертикальный resize карточки в Sections (#648)

Issue: #648
User-Visible: yes

scripts/mutation-registry.mjs

@@ -1199,6 +1199,52 @@ const MUTANT_DEFINITIONS = [
       replace: '    if (this._serverCanWrite !== null) return true; // mutant: read-only becomes writer',
     }],
   },
+  {
+    id: 'sections-grid-falls-back-to-viewport-height',
+    guard: 'node demo/smoke_sections_resize.mjs',
+    because: 'HA Sections owns a fixed row slot; treating grid like an ordinary dashboard card '
+      + 'restores the 100dvh stage and makes the card overflow its selected height (#648 AC2/AC7)',
+    patches: [{
+      file: 'src/houseplan-card.ts',
+      find: "  private get _containerOwnedHeight(): boolean { return this.panelHost || this.layout === 'grid'; }",
+      replace: '  private get _containerOwnedHeight(): boolean { return this.panelHost; } // mutant: viewport height',
+    }],
+  },
+  {
+    id: 'sections-editor-transition-uses-window-height',
+    guard: 'node demo/smoke_sections_resize.mjs',
+    because: 'editor chrome must borrow space inside the selected Sections row slot; using '
+      + 'window.innerHeight makes the animated stage escape the card at minimum height (#648 AC5)',
+    patches: [{
+      file: 'src/houseplan-card.ts',
+      find: '(containerOwnedHeight ? this.clientHeight : innerHeight)',
+      replace: 'innerHeight /* mutant: ignore the fixed Sections slot */',
+    }],
+  },
+  {
+    id: 'sections-grid-drops-stage-flex-chain',
+    guard: 'node demo/smoke_sections_resize.mjs',
+    because: 'host and ha-card height are insufficient when the stage is not the shrinking flex '
+      + 'child; header plus scene then leave a gap or overflow the Sections slot (#648 AC2/AC5)',
+    patches: [{
+      file: 'src/styles/base.styles.ts',
+      find: '    :host([layout="grid"]) .stage,\n'
+        + '    :host([layout="grid"]) .empty {',
+      replace: '    :host([layout="grid-disabled"]) .stage,\n'
+        + '    :host([layout="grid-disabled"]) .empty { /* mutant: grid stage is not flex */',
+    }],
+  },
+  {
+    id: 'sections-resize-drops-stage-refit-observer',
+    guard: 'node demo/smoke_sections_resize.mjs',
+    because: 'a row resize changes the stage aspect and hit geometry; without the existing stage '
+      + 'observer the camera retains a stale aspect even though CSS resized the box (#648 AC4/AC8)',
+    patches: [{
+      file: 'src/houseplan-card.ts',
+      find: '      this._roViewport.observe(stage);',
+      replace: '      // mutant: Sections resizes never reach camera refit',
+    }],
+  },
   {
     id: 'panel-ignores-pre-upgrade-properties',
     guard: 'node demo/smoke_houseplan_panel.mjs',

scripts/smoke-links.mjs

@@ -27,6 +27,14 @@
 
 /** @type {SmokeLink[]} */
 export const SMOKE_LINKS = [
+  {
+    symbols: ['baseStyles', '_containerOwnedHeight', 'measuredCardHeaderHeight',
+      'settleSoftStageLayout'],
+    smokes: ['smoke_sections_resize.mjs'],
+    because: '#648: the production-bundle witness measures the HA Sections slot, card, header '
+      + 'and stage through repeated row resizes and every editor transition; the CSS height chain '
+      + 'and helper boolean do not otherwise share a runtime symbol with those DOM measurements',
+  },
   {
     symbols: ['chromeStyles', 'dialogsStyles'],
     smokes: ['smoke_toolbar_stable_width.mjs', 'smoke_editor_tabs.mjs', 'smoke_mobile_view_header.mjs'],