feat: mid-session status updates — ticket notes, client updates, email drafts

Engineers can now generate AI-powered status updates during active FlowPilot
sessions and after resolve/escalate. Three audiences (Ticket Notes, Client
Update, Email Draft) with Quick/Detailed length options. Copy to clipboard
with one click. Client names auto-inserted from intake/PSA context.

Backend: new endpoint POST /ai-sessions/{id}/status-update with audience-aware
system prompts. Frontend: StatusUpdateModal with 2-step selection flow,
Share Update button in action bar, Share Resolution/Escalation on completed
sessions. Also updates Solutions Library spec with Community tier design.

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

frontend/src/components/flowpilot/FlowPilotActionBar.tsx

@@ -1,7 +1,16 @@
 import { useState } from 'react'
-import { CheckCircle2, ArrowUpRight, Pause, X } from 'lucide-react'
+import { CheckCircle2, ArrowUpRight, Pause, X, FileText } from 'lucide-react'
 import { EscalateModal } from './EscalateModal'
-import type { ResolveSessionRequest, EscalateSessionRequest, SessionDocumentation } from '@/types/ai-session'
+import { StatusUpdateModal } from './StatusUpdateModal'
+import type {
+  ResolveSessionRequest,
+  EscalateSessionRequest,
+  SessionDocumentation,
+  StatusUpdateAudience,
+  StatusUpdateLength,
+  StatusUpdateContext,
+  StatusUpdateResponse,
+} from '@/types/ai-session'
 
 interface FlowPilotActionBarProps {
   canResolve: boolean
@@ -9,10 +18,12 @@ interface FlowPilotActionBarProps {
   isProcessing: boolean
   hasPsaTicket?: boolean
   sessionId?: string
+  canShareUpdate?: boolean
   onResolve: (data: ResolveSessionRequest) => Promise<SessionDocumentation>
   onEscalate: (data: EscalateSessionRequest) => Promise<SessionDocumentation>
   onPause?: () => Promise<void>
   onAbandon?: () => Promise<void>
+  onGenerateStatusUpdate?: (audience: StatusUpdateAudience, length: StatusUpdateLength, context: StatusUpdateContext) => Promise<StatusUpdateResponse>
 }
 
 export function FlowPilotActionBar({
@@ -21,14 +32,17 @@ export function FlowPilotActionBar({
   isProcessing,
   hasPsaTicket = false,
   sessionId,
+  canShareUpdate = false,
   onResolve,
   onEscalate,
   onPause,
   onAbandon,
+  onGenerateStatusUpdate,
 }: FlowPilotActionBarProps) {
   const [showResolve, setShowResolve] = useState(false)
   const [showEscalate, setShowEscalate] = useState(false)
   const [showAbandon, setShowAbandon] = useState(false)
+  const [showStatusUpdate, setShowStatusUpdate] = useState(false)
   const [resolutionSummary, setResolutionSummary] = useState('')
   const [submitting, setSubmitting] = useState(false)
 
@@ -90,6 +104,17 @@ export function FlowPilotActionBar({
             <ArrowUpRight size={16} />
             Escalate
           </button>
+          {canShareUpdate && onGenerateStatusUpdate && (
+            <button
+              onClick={() => setShowStatusUpdate(true)}
+              disabled={isProcessing}
+              className="flex flex-1 sm:flex-initial items-center justify-center gap-2 rounded-lg bg-cyan-500/10 border border-cyan-500/20 px-4 py-2 min-h-[44px] text-sm font-medium text-cyan-400 hover:bg-cyan-500/20 disabled:opacity-40 disabled:pointer-events-none transition-colors"
+            >
+              <FileText size={16} />
+              <span className="hidden sm:inline">Share Update</span>
+              <span className="sm:hidden">Update</span>
+            </button>
+          )}
         </div>
         <div className="flex gap-2 sm:ml-auto">
           {onPause && (
@@ -184,6 +209,17 @@ export function FlowPilotActionBar({
         hasPsaTicket={hasPsaTicket}
         sessionId={sessionId}
       />
+
+      {/* Status Update modal */}
+      {onGenerateStatusUpdate && (
+        <StatusUpdateModal
+          open={showStatusUpdate}
+          onClose={() => setShowStatusUpdate(false)}
+          onGenerate={onGenerateStatusUpdate}
+          context="status"
+          hasPsaTicket={hasPsaTicket}
+        />
+      )}
     </>
   )
 }