feat: add ScriptLibraryPage shell

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/pages/ScriptLibraryPage.tsx

@@ -0,0 +1,50 @@
+import { useState, useEffect } from 'react'
+import { useScriptGeneratorStore } from '@/store/scriptGeneratorStore'
+import { ScriptFilterBar } from '@/components/scripts/ScriptFilterBar'
+import { ScriptTemplateList } from '@/components/scripts/ScriptTemplateList'
+import { ScriptGeneratorPanel } from '@/components/scripts/ScriptGeneratorPanel'
+
+export default function ScriptLibraryPage() {
+  // inputValue is owned here so ScriptFilterBar and ScriptTemplateList
+  // can coordinate clear-search without direct coupling.
+  const [inputValue, setInputValue] = useState('')
+  const loadCategories = useScriptGeneratorStore(s => s.loadCategories)
+  const loadTemplates = useScriptGeneratorStore(s => s.loadTemplates)
+  const setSearch = useScriptGeneratorStore(s => s.setSearch)
+
+  useEffect(() => {
+    // loadCategories must complete before loadTemplates can resolve slugs
+    loadCategories().then(() => loadTemplates())
+  }, [loadCategories, loadTemplates])
+
+  const onClearSearch = () => {
+    setInputValue('')
+    setSearch('')
+  }
+
+  return (
+    <div className="flex flex-col gap-4 p-6 h-full">
+      {/* Page header */}
+      <div>
+        <h1 className="text-2xl font-heading font-bold text-foreground">Script Library</h1>
+        <p className="text-sm text-muted-foreground mt-1">
+          Browse PowerShell templates, fill in parameters, and generate ready-to-run scripts.
+        </p>
+      </div>
+
+      {/* Filter bar */}
+      <ScriptFilterBar inputValue={inputValue} setInputValue={setInputValue} />
+
+      {/* Two-column layout */}
+      <div className="grid grid-cols-[320px_1fr] gap-4 flex-1 min-h-0">
+        {/* Template list — scrollable */}
+        <div className="glass-card-static overflow-y-auto">
+          <ScriptTemplateList inputValue={inputValue} onClearSearch={onClearSearch} />
+        </div>
+
+        {/* Generator panel */}
+        <ScriptGeneratorPanel />
+      </div>
+    </div>
+  )
+}