fix(responsive): audit and fix FlowPilot + analytics components for mobile/tablet

Add responsive Tailwind classes across 11 FlowPilot-related components:
- FlowPilotSession: collapsible mobile sidebar summary, responsive padding
- FlowPilotActionBar: stacked buttons on mobile, responsive resolve modal
- FlowPilotIntake: responsive submit area, padding, heading sizes
- FlowPilotStepCard: responsive padding (p-3/p-4/p-5), stacked action buttons
- FlowPilotOptions: responsive padding, 44px touch targets
- SessionDocView: responsive card padding, touch-friendly star ratings
- EscalateModal: stacked buttons on mobile with min touch targets
- EscalationQueue: responsive card padding, touch targets
- InSessionScriptGenerator: responsive padding, stacked continue buttons
- ReviewQueuePage: responsive two-panel layout (stacked on mobile)
- FlowPilotAnalyticsPage: responsive header, chart card padding

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/pages/ReviewQueuePage.tsx

@@ -85,11 +85,11 @@ export default function ReviewQueuePage() {
   }
 
   return (
-    <div className="flex h-full">
+    <div className="flex h-full flex-col lg:flex-row overflow-hidden">
       {/* Left panel — Proposal list */}
-      <div className="w-[380px] shrink-0 border-r overflow-y-auto" style={{ borderColor: 'var(--glass-border)' }}>
+      <div className="w-full shrink-0 border-b lg:border-b-0 lg:border-r lg:w-[380px] overflow-y-auto" style={{ borderColor: 'var(--glass-border)' }}>
         {/* Header */}
-        <div className="sticky top-0 z-10 p-4 space-y-3" style={{ background: 'rgba(16, 17, 20, 0.95)', backdropFilter: 'blur(12px)' }}>
+        <div className="sticky top-0 z-10 p-3 sm:p-4 space-y-3" style={{ background: 'rgba(16, 17, 20, 0.95)', backdropFilter: 'blur(12px)' }}>
           <div className="flex items-center justify-between">
             <div className="flex items-center gap-2">
               <Lightbulb size={16} className="text-amber-400" />
@@ -119,12 +119,12 @@ export default function ReviewQueuePage() {
           )}
 
           {/* Tabs */}
-          <div className="flex gap-1">
+          <div className="flex gap-1 overflow-x-auto">
             {STATUS_TABS.map((tab) => (
               <button
                 key={tab.key}
                 onClick={() => setActiveTab(tab.key)}
-                className={`rounded-lg px-2.5 py-1 text-xs font-medium transition-colors ${
+                className={`shrink-0 rounded-lg px-2.5 py-1 text-xs font-medium transition-colors ${
                   activeTab === tab.key
                     ? 'bg-primary/10 text-primary'
                     : 'text-muted-foreground hover:text-foreground'
@@ -177,7 +177,7 @@ export default function ReviewQueuePage() {
       </div>
 
       {/* Right panel — Detail */}
-      <div className="flex-1 overflow-y-auto">
+      <div className={`flex-1 overflow-y-auto ${!detail && !isLoadingDetail ? 'hidden lg:flex' : ''}`}>
         {isLoadingDetail ? (
           <div className="flex items-center justify-center h-full">
             <Loader2 size={20} className="animate-spin text-muted-foreground" />