feat: wire frontend to platform data, migrate to Jotai + Vercel AI SDK

- Replace mock DataProvider with real GraphQL queries through sidecar
- Add queries.ts and transforms.ts for platform field name mapping
- Migrate SIP state from React Context to Jotai atoms (React 19 compat)
- Add singleton SIP manager to survive StrictMode remounts
- Remove hardcoded Olivia/Sienna accounts from nav menu
- Add password eye toggle, remember me checkbox, forgot password link
- Fix worklist hook to transform platform field names
- Add seed scripts for clinics, health packages, lab tests
- Update test harness for new doctor→clinic relation

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

src/hooks/use-worklist.ts

@@ -90,7 +90,32 @@ export const useWorklist = (): UseWorklistResult => {
 
             if (response.ok) {
                 const json = await response.json();
-                setData(json);
+                // Transform platform field shapes to frontend types
+                const transformed: WorklistData = {
+                    ...json,
+                    marketingLeads: (json.marketingLeads ?? []).map((lead: any) => ({
+                        ...lead,
+                        leadSource: lead.source ?? lead.leadSource,
+                        leadStatus: lead.status ?? lead.leadStatus,
+                        contactPhone: lead.contactPhone?.primaryPhoneNumber
+                            ? [{ number: lead.contactPhone.primaryPhoneNumber, callingCode: lead.contactPhone.primaryPhoneCallingCode ?? '+91' }]
+                            : lead.contactPhone,
+                        contactEmail: lead.contactEmail?.primaryEmail
+                            ? [{ address: lead.contactEmail.primaryEmail }]
+                            : lead.contactEmail,
+                    })),
+                    missedCalls: (json.missedCalls ?? []).map((call: any) => ({
+                        ...call,
+                        callDirection: call.direction ?? call.callDirection,
+                        durationSeconds: call.durationSec ?? call.durationSeconds ?? 0,
+                    })),
+                    followUps: (json.followUps ?? []).map((fu: any) => ({
+                        ...fu,
+                        followUpType: fu.typeCustom ?? fu.followUpType,
+                        followUpStatus: fu.status ?? fu.followUpStatus,
+                    })),
+                };
+                setData(transformed);
                 setError(null);
             } else {
                 setError(`Worklist API returned ${response.status}`);