fix(mobile): prevent supabaseUrl crash on startup with fallback auth config

apps/mobile-rn/src/lib/auth-context.tsx

@@ -2,7 +2,7 @@
 import { createContext, useContext, useEffect, useState, useCallback } from 'react'
 import type { ReactNode } from 'react'
 import type { User, Session } from '@supabase/supabase-js'
-import { supabase } from './supabase'
+import { supabase, isSupabaseConfigured } from './supabase'
 
 interface AuthContextValue {
   user: User | null
@@ -14,28 +14,41 @@ interface AuthContextValue {
 const AuthContext = createContext<AuthContextValue>({
   user: null,
   session: null,
-  loading: true,
+  loading: false,
   devBypass: () => {},
 })
 
 export function AuthProvider({ children }: { children: ReactNode }): React.ReactElement {
   const [user, setUser] = useState<User | null>(null)
   const [session, setSession] = useState<Session | null>(null)
-  const [loading, setLoading] = useState(true)
+  const [loading, setLoading] = useState(false)
 
   useEffect(() => {
-    supabase.auth.getSession().then(({ data: { session: s } }) => {
-      setSession(s)
-      setUser(s?.user ?? null)
+    if (!isSupabaseConfigured()) {
       setLoading(false)
-    })
+      return
+    }
 
-    const { data: { subscription } } = supabase.auth.onAuthStateChange((_event, s) => {
-      setSession(s)
-      setUser(s?.user ?? null)
-    })
+    try {
+      supabase.auth.getSession()
+        .then(({ data: { session: s } }) => {
+          setSession(s)
+          setUser(s?.user ?? null)
+          setLoading(false)
+        })
+        .catch(() => {
+          setLoading(false)
+        })
 
-    return () => subscription.unsubscribe()
+      const { data: { subscription } } = supabase.auth.onAuthStateChange((_event, s) => {
+        setSession(s)
+        setUser(s?.user ?? null)
+      })
+
+      return () => subscription?.unsubscribe?.()
+    } catch {
+      setLoading(false)
+    }
   }, [])
 
   const devBypass = useCallback(() => {
@@ -53,3 +66,4 @@ export function AuthProvider({ children }: { children: ReactNode }): React.React
 export function useAuth(): AuthContextValue {
   return useContext(AuthContext)
 }
+