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/components/flowpilot/EscalationQueue.tsx

@@ -93,7 +93,7 @@ export function EscalationQueue({ onPickup }: EscalationQueueProps) {
       </div>
 
       {sessions.map((session) => (
-        <div key={session.id} className="glass-card p-4 space-y-3">
+        <div key={session.id} className="glass-card p-3 sm:p-4 space-y-3">
           <div>
             <p className="text-sm font-semibold text-foreground">
               {session.problem_summary || 'Untitled session'}
@@ -129,7 +129,7 @@ export function EscalationQueue({ onPickup }: EscalationQueueProps) {
 
           <button
             onClick={() => handlePickup(session.id)}
-            className="w-full rounded-lg bg-gradient-brand px-4 py-2 text-sm font-semibold text-[#101114] shadow-lg shadow-primary/20 hover:opacity-90 active:scale-[0.97] transition-all"
+            className="w-full min-h-[44px] rounded-lg bg-gradient-brand px-4 py-2 text-sm font-semibold text-[#101114] shadow-lg shadow-primary/20 hover:opacity-90 active:scale-[0.97] transition-all"
           >
             Pick Up Session
           </button>