sync: complete remaining files (source dhk-1)

frontend-web/scripts/check-chrome109-css.mjs

@@ -28,8 +28,8 @@ const requiredLegacyFallbacks = [
   },
   {
     file: "src/components/ai-elements/prompt-input.tsx",
-    pattern: /<InputGroup className="h-auto min-h-16">/,
-    description: "Prompt textarea must not rely on :has() for its parent height",
+    pattern: /<InputGroup className="h-auto min-h-16 flex-col items-stretch">/,
+    description: "Prompt textarea must not rely on :has() for its layout",
   },
   {
     file: "src/core/utils/mermaid.ts",
@@ -41,6 +41,43 @@ const requiredLegacyFallbacks = [
     pattern: /export function downlevelModernColors[\s\S]*function injectLegacyChartShim/,
     description: "Generated HTML charts must downlevel modern CSS colors for Chrome 109",
   },
+  {
+    file: "src/pages/ChatPage.tsx",
+    pattern: /chat-landing-composer-offset[\s\S]*chat-landing-content-lift/,
+    description: "Chat landing layout must not rely on Tailwind's individual translate property",
+  },
+  {
+    file: "src/styles/globals.css",
+    pattern: /\.chat-landing-composer-offset\s*\{\s*position:\s*relative;\s*top:\s*calc\(96px\s*-\s*50vh\);\s*\}/,
+    description: "Chat landing composer must offset with top, not Tailwind translate",
+  },
+  {
+    file: "src/styles/globals.css",
+    pattern:
+      /\.legacy-dialog-viewport\s*\{[\s\S]*?display:\s*flex;[\s\S]*?align-items:\s*center;[\s\S]*?justify-content:\s*center;/,
+    description: "Dialog content must be flex-centered without Tailwind translate",
+  },
+  {
+    file: "src/components/ui/dialog.tsx",
+    pattern: /legacy-dialog-viewport[\s\S]*relative grid/,
+    description: "Dialog panel must not use fixed + translate centering",
+  },
+  {
+    file: "src/styles/globals.css",
+    pattern:
+      /\.legacy-dialog-viewport\s*>\s*\[data-slot="dialog-content"\]\s*\{[\s\S]*?min-height:\s*0;[\s\S]*?max-height:\s*100%;/,
+    description: "Flex-centered dialogs must keep min-height:0 so inner scroll works",
+  },
+  {
+    file: "src/styles/globals.css",
+    pattern: /\.legacy-floating-layer\s*\{\s*z-index:\s*300;/,
+    description: "Portaled select/dropdown layers must sit above dialog overlay z-index 200",
+  },
+  {
+    file: "src/components/workspace/skills/skill-file-preview-dialog.tsx",
+    pattern: /minHeight:[\s\S]*100vh[\s\S]*maxHeight:[\s\S]*100vh/,
+    description: "Skill file preview must size with vh, not dvh, for Chrome 102",
+  },
 ];
 
 for (const file of cssFiles) {