feat(agent): integrate agents into all BOC modules

- Add AgentFAB floating button to CRM, Sales, Finance, HR, Legal, Marketing, Support, Automation
- Update AgentChat to use /api/v1/agents/chat with auth token
- Add error handling and fallback to mock responses
- Update Anthropic model to claude-sonnet-4-6
- Show agent context in chat footer (title + competencies)
- Build fresh web-v2 dist

web-v2/src/pages/HRPage.tsx

@@ -22,6 +22,7 @@ import {
   MoreHorizontal,
   Clock,
 } from 'lucide-react'
+import { AgentFAB } from '@/components/agent/AgentFAB'
 
 interface Employee {
   id: string
@@ -347,6 +348,9 @@ export function HRPage() {
           </Table>
         </Card>
       )}
+
+      {/* HR Agent */}
+      <AgentFAB rum="hr" />
     </div>
   )
 }