feat: publish HoloLake model-native living system source

product-source/hololake-platform/src/components/DiffView.tsx

@@ -0,0 +1,42 @@
+import { cn } from '@/lib/utils'
+
+interface DiffViewProps {
+  diff: string
+}
+
+const DIFF_HEADER_PREFIXES = ['diff', 'index', '---', '+++', 'new file']
+
+function classifyDiffLine(line: string): string {
+  if (line.startsWith('+') && !line.startsWith('+++')) return 'bg-[var(--diff-added-bg)] text-[var(--diff-added-text)]'
+  if (line.startsWith('-') && !line.startsWith('---')) return 'bg-[var(--diff-removed-bg)] text-[var(--diff-removed-text)]'
+  if (line.startsWith('@@')) return 'bg-[var(--diff-hunk-bg)] text-primary italic'
+  if (DIFF_HEADER_PREFIXES.some((p) => line.startsWith(p))) return 'bg-muted text-muted-foreground font-semibold'
+  return 'text-secondary-foreground'
+}
+
+function DiffLine({ line, lineNumber }: { line: string; lineNumber: number }) {
+  return (
+    <div className={cn("flex min-h-[22px] px-4", classifyDiffLine(line))}>
+      <span className="w-10 shrink-0 text-right pr-3 text-muted-foreground select-none">{lineNumber}</span>
+      <span className="flex-1 whitespace-pre-wrap break-all px-2">{line || '\u00A0'}</span>
+    </div>
+  )
+}
+
+export function DiffView({ diff }: DiffViewProps) {
+  if (!diff) {
+    return (
+      <div className="flex h-full items-center justify-center text-sm text-muted-foreground">
+        No changes to display
+      </div>
+    )
+  }
+
+  return (
+    <div className="font-mono text-[13px] leading-relaxed py-3">
+      {diff.split('\n').map((line, i) => (
+        <DiffLine key={line} line={line} lineNumber={i + 1} />
+      ))}
+    </div>
+  )
+}