feat: track UCID from SIP headers for Ozonetel disposition

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

src/providers/sip-provider.tsx

@@ -8,6 +8,7 @@ import {
     sipIsOnHoldAtom,
     sipCallDurationAtom,
     sipCallStartTimeAtom,
+    sipCallUcidAtom,
 } from '@/state/sip-state';
 import { registerSipStateUpdater, connectSip, disconnectSip, getSipClient } from '@/state/sip-manager';
 import type { SIPConfig } from '@/types/sip';
@@ -24,6 +25,7 @@ export const SipProvider = ({ children }: PropsWithChildren) => {
     const [, setConnectionStatus] = useAtom(sipConnectionStatusAtom);
     const [callState, setCallState] = useAtom(sipCallStateAtom);
     const setCallerNumber = useSetAtom(sipCallerNumberAtom);
+    const setCallUcid = useSetAtom(sipCallUcidAtom);
     const setCallDuration = useSetAtom(sipCallDurationAtom);
     const setCallStartTime = useSetAtom(sipCallStartTimeAtom);
 
@@ -33,8 +35,9 @@ export const SipProvider = ({ children }: PropsWithChildren) => {
             setConnectionStatus,
             setCallState,
             setCallerNumber,
+            setCallUcid,
         });
-    }, [setConnectionStatus, setCallState, setCallerNumber]);
+    }, [setConnectionStatus, setCallState, setCallerNumber, setCallUcid]);
 
     // Auto-connect SIP on mount
     useEffect(() => {
@@ -82,6 +85,7 @@ export const useSip = () => {
     const [connectionStatus] = useAtom(sipConnectionStatusAtom);
     const [callState] = useAtom(sipCallStateAtom);
     const [callerNumber, setCallerNumber] = useAtom(sipCallerNumberAtom);
+    const [callUcid] = useAtom(sipCallUcidAtom);
     const [isMuted, setIsMuted] = useAtom(sipIsMutedAtom);
     const [isOnHold, setIsOnHold] = useAtom(sipIsOnHoldAtom);
     const [callDuration] = useAtom(sipCallDurationAtom);
@@ -117,6 +121,7 @@ export const useSip = () => {
         connectionStatus,
         callState,
         callerNumber,
+        callUcid,
         isMuted,
         isOnHold,
         callDuration,