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/pages/login.tsx

@@ -1,8 +1,11 @@
 import { useState } from 'react';
 import { useNavigate } from 'react-router';
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
+import { faEye, faEyeSlash } from '@fortawesome/pro-duotone-svg-icons';
 import { useAuth } from '@/providers/auth-provider';
 import { Button } from '@/components/base/buttons/button';
 import { SocialButton } from '@/components/base/buttons/social-button';
+import { Checkbox } from '@/components/base/checkbox/checkbox';
 import { Input } from '@/components/base/input/input';
 
 const features = [
@@ -25,8 +28,13 @@ export const LoginPage = () => {
     const { loginWithUser } = useAuth();
     const navigate = useNavigate();
 
-    const [email, setEmail] = useState('');
-    const [password, setPassword] = useState('');
+    const saved = localStorage.getItem('helix_remember');
+    const savedCreds = saved ? JSON.parse(saved) : null;
+
+    const [email, setEmail] = useState(savedCreds?.email ?? '');
+    const [password, setPassword] = useState(savedCreds?.password ?? '');
+    const [showPassword, setShowPassword] = useState(false);
+    const [rememberMe, setRememberMe] = useState(!!savedCreds);
     const [error, setError] = useState<string | null>(null);
     const [isLoading, setIsLoading] = useState(false);
 
@@ -51,6 +59,12 @@ export const LoginPage = () => {
             const name = `${firstName} ${lastName}`.trim() || email;
             const initials = `${firstName[0] ?? ''}${lastName[0] ?? ''}`.toUpperCase() || email[0].toUpperCase();
 
+            if (rememberMe) {
+                localStorage.setItem('helix_remember', JSON.stringify({ email, password }));
+            } else {
+                localStorage.removeItem('helix_remember');
+            }
+
             loginWithUser({
                 id: u?.id,
                 name,
@@ -181,16 +195,41 @@ export const LoginPage = () => {
                         />
                     </div>
 
-                    {/* Password input */}
-                    <div className="mt-4">
+                    {/* Password input with eye toggle */}
+                    <div className="mt-4 relative">
                         <Input
                             label="Password"
-                            type="password"
+                            type={showPassword ? 'text' : 'password'}
                             placeholder="Enter your password"
                             value={password}
                             onChange={(value) => setPassword(value)}
                             size="md"
                         />
+                        <button
+                            type="button"
+                            onClick={() => setShowPassword(!showPassword)}
+                            className="absolute right-3 top-[38px] text-fg-quaternary hover:text-fg-secondary transition duration-100 ease-linear"
+                            tabIndex={-1}
+                        >
+                            <FontAwesomeIcon icon={showPassword ? faEyeSlash : faEye} className="size-4" />
+                        </button>
+                    </div>
+
+                    {/* Remember me + Forgot password */}
+                    <div className="mt-3 flex items-center justify-between">
+                        <Checkbox
+                            label="Remember me"
+                            size="sm"
+                            isSelected={rememberMe}
+                            onChange={setRememberMe}
+                        />
+                        <button
+                            type="button"
+                            className="text-sm font-semibold text-brand-secondary hover:text-brand-secondary_hover transition duration-100 ease-linear"
+                            onClick={() => setError('Password reset is not yet configured. Contact your administrator.')}
+                        >
+                            Forgot password?
+                        </button>
                     </div>
 
                     {/* Error message */}