diff --git a/apps/x/apps/main/src/ipc.ts b/apps/x/apps/main/src/ipc.ts
index 53b2f913..87997713 100644
--- a/apps/x/apps/main/src/ipc.ts
+++ b/apps/x/apps/main/src/ipc.ts
@@ -306,7 +306,7 @@ export function setupIpcHandlers() {
       return runsCore.listRuns(args.cursor);
     },
     'oauth:connect': async (_event, args) => {
-      return await connectProvider(args.provider);
+      return await connectProvider(args.provider, args.clientId);
     },
     'oauth:disconnect': async (_event, args) => {
       return await disconnectProvider(args.provider);
diff --git a/apps/x/apps/main/src/oauth-handler.ts b/apps/x/apps/main/src/oauth-handler.ts
index 5b55e8b7..3586aaac 100644
--- a/apps/x/apps/main/src/oauth-handler.ts
+++ b/apps/x/apps/main/src/oauth-handler.ts
@@ -4,6 +4,12 @@ import { createAuthServer } from './auth-server.js';
 import * as oauthClient from '@x/core/dist/auth/oauth-client.js';
 import type { Configuration } from '@x/core/dist/auth/oauth-client.js';
 import { getProviderConfig, getAvailableProviders } from '@x/core/dist/auth/providers.js';
+import {
+  clearProviderClientIdOverride,
+  getProviderClientIdOverride,
+  hasProviderClientIdOverride,
+  setProviderClientIdOverride,
+} from '@x/core/dist/auth/provider-client-id.js';
 import container from '@x/core/dist/di/container.js';
 import { IOAuthRepo } from '@x/core/dist/auth/repo.js';
 import { IClientRegistrationRepo } from '@x/core/dist/auth/client-repo.js';
@@ -76,14 +82,25 @@ function getClientRegistrationRepo(): IClientRegistrationRepo {
  */
 async function getProviderConfiguration(provider: string): Promise<Configuration> {
   const config = getProviderConfig(provider);
+  const resolveClientId = (): string => {
+    const override = getProviderClientIdOverride(provider);
+    if (override) {
+      return override;
+    }
+    if (config.client.mode === 'static' && config.client.clientId) {
+      return config.client.clientId;
+    }
+    throw new Error(`${provider} client ID not configured. Please provide a client ID.`);
+  };
 
   if (config.discovery.mode === 'issuer') {
     if (config.client.mode === 'static') {
       // Discover endpoints, use static client ID
       console.log(`[OAuth] ${provider}: Discovery from issuer with static client ID`);
+      const clientId = resolveClientId();
       return await oauthClient.discoverConfiguration(
         config.discovery.issuer,
-        config.client.clientId
+        clientId
       );
     } else {
       // DCR mode - check for existing registration or register new
@@ -120,10 +137,11 @@ async function getProviderConfiguration(provider: string): Promise<Configuration
     }
     
     console.log(`[OAuth] ${provider}: Using static endpoints (no discovery)`);
+    const clientId = resolveClientId();
     return oauthClient.createStaticConfiguration(
       config.discovery.authorizationEndpoint,
       config.discovery.tokenEndpoint,
-      config.client.clientId,
+      clientId,
       config.discovery.revocationEndpoint
     );
   }
@@ -132,7 +150,7 @@ async function getProviderConfiguration(provider: string): Promise<Configuration
 /**
  * Initiate OAuth flow for a provider
  */
-export async function connectProvider(provider: string): Promise<{ success: boolean; error?: string }> {
+export async function connectProvider(provider: string, clientId?: string): Promise<{ success: boolean; error?: string }> {
   try {
     console.log(`[OAuth] Starting connection flow for ${provider}...`);
 
@@ -142,6 +160,14 @@ export async function connectProvider(provider: string): Promise<{ success: bool
     const oauthRepo = getOAuthRepo();
     const providerConfig = getProviderConfig(provider);
 
+    if (provider === 'google') {
+      const trimmedClientId = clientId?.trim();
+      if (!trimmedClientId) {
+        return { success: false, error: 'Google client ID is required to connect.' };
+      }
+      setProviderClientIdOverride(provider, trimmedClientId);
+    }
+
     // Get or create OAuth configuration
     const config = await getProviderConfiguration(provider);
 
@@ -256,6 +282,9 @@ export async function disconnectProvider(provider: string): Promise<{ success: b
   try {
     const oauthRepo = getOAuthRepo();
     await oauthRepo.clearTokens(provider);
+    if (provider === 'google') {
+      clearProviderClientIdOverride(provider);
+    }
     return { success: true };
   } catch (error) {
     console.error('OAuth disconnect failed:', error);
@@ -269,6 +298,9 @@ export async function disconnectProvider(provider: string): Promise<{ success: b
 export async function isConnected(provider: string): Promise<{ isConnected: boolean }> {
   try {
     const oauthRepo = getOAuthRepo();
+    if (provider === 'google' && !hasProviderClientIdOverride(provider)) {
+      return { isConnected: false };
+    }
     const connected = await oauthRepo.isConnected(provider);
     return { isConnected: connected };
   } catch (error) {
@@ -325,7 +357,10 @@ export async function getConnectedProviders(): Promise<{ providers: string[] }>
   try {
     const oauthRepo = getOAuthRepo();
     const providers = await oauthRepo.getConnectedProviders();
-    return { providers };
+    const filteredProviders = providers.filter((provider) =>
+      provider === 'google' ? hasProviderClientIdOverride(provider) : true
+    );
+    return { providers: filteredProviders };
   } catch (error) {
     console.error('Get connected providers failed:', error);
     return { providers: [] };
diff --git a/apps/x/apps/renderer/src/components/connectors-popover.tsx b/apps/x/apps/renderer/src/components/connectors-popover.tsx
index 1799ab75..7033a2ac 100644
--- a/apps/x/apps/renderer/src/components/connectors-popover.tsx
+++ b/apps/x/apps/renderer/src/components/connectors-popover.tsx
@@ -18,6 +18,8 @@ import { Button } from "@/components/ui/button"
 import { Switch } from "@/components/ui/switch"
 import { Separator } from "@/components/ui/separator"
 import { ComposioApiKeyModal } from "@/components/composio-api-key-modal"
+import { GoogleClientIdModal } from "@/components/google-client-id-modal"
+import { getGoogleClientId, setGoogleClientId, clearGoogleClientId } from "@/lib/google-client-id-store"
 import { toast } from "sonner"
 
 interface ProviderState {
@@ -36,6 +38,7 @@ export function ConnectorsPopover({ children, tooltip }: ConnectorsPopoverProps)
   const [providers, setProviders] = useState<string[]>([])
   const [providersLoading, setProvidersLoading] = useState(true)
   const [providerStates, setProviderStates] = useState<Record<string, ProviderState>>({})
+  const [googleClientIdOpen, setGoogleClientIdOpen] = useState(false)
 
   // Granola state
   const [granolaEnabled, setGranolaEnabled] = useState(false)
@@ -266,15 +269,14 @@ export function ConnectorsPopover({ children, tooltip }: ConnectorsPopoverProps)
     return cleanup
   }, [])
 
-  // Connect to a provider
-  const handleConnect = useCallback(async (provider: string) => {
+  const startConnect = useCallback(async (provider: string, clientId?: string) => {
     setProviderStates(prev => ({
       ...prev,
       [provider]: { ...prev[provider], isConnecting: true }
     }))
 
     try {
-      const result = await window.ipc.invoke('oauth:connect', { provider })
+      const result = await window.ipc.invoke('oauth:connect', { provider, clientId })
 
       if (result.success) {
         // OAuth flow started - keep isConnecting state, wait for event
@@ -297,6 +299,27 @@ export function ConnectorsPopover({ children, tooltip }: ConnectorsPopoverProps)
     }
   }, [])
 
+  // Connect to a provider
+  const handleConnect = useCallback(async (provider: string) => {
+    if (provider === 'google') {
+      const existingClientId = getGoogleClientId()
+      if (!existingClientId) {
+        setGoogleClientIdOpen(true)
+        return
+      }
+      await startConnect(provider, existingClientId)
+      return
+    }
+
+    await startConnect(provider)
+  }, [startConnect])
+
+  const handleGoogleClientIdSubmit = useCallback((clientId: string) => {
+    setGoogleClientId(clientId)
+    setGoogleClientIdOpen(false)
+    startConnect('google', clientId)
+  }, [startConnect])
+
   // Disconnect from a provider
   const handleDisconnect = useCallback(async (provider: string) => {
     setProviderStates(prev => ({
@@ -308,6 +331,9 @@ export function ConnectorsPopover({ children, tooltip }: ConnectorsPopoverProps)
       const result = await window.ipc.invoke('oauth:disconnect', { provider })
 
       if (result.success) {
+        if (provider === 'google') {
+          clearGoogleClientId()
+        }
         const displayName = provider === 'fireflies-ai' ? 'Fireflies' : provider.charAt(0).toUpperCase() + provider.slice(1)
         toast.success(`Disconnected from ${displayName}`)
         setProviderStates(prev => ({
@@ -395,6 +421,12 @@ export function ConnectorsPopover({ children, tooltip }: ConnectorsPopoverProps)
 
   return (
     <>
+    <GoogleClientIdModal
+      open={googleClientIdOpen}
+      onOpenChange={setGoogleClientIdOpen}
+      onSubmit={handleGoogleClientIdSubmit}
+      isSubmitting={providerStates.google?.isConnecting ?? false}
+    />
     <Popover open={open} onOpenChange={setOpen}>
       {tooltip ? (
         <Tooltip open={open ? false : undefined}>
diff --git a/apps/x/apps/renderer/src/components/google-client-id-modal.tsx b/apps/x/apps/renderer/src/components/google-client-id-modal.tsx
new file mode 100644
index 00000000..5727d506
--- /dev/null
+++ b/apps/x/apps/renderer/src/components/google-client-id-modal.tsx
@@ -0,0 +1,85 @@
+"use client"
+
+import { useEffect, useState } from "react"
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+
+interface GoogleClientIdModalProps {
+  open: boolean
+  onOpenChange: (open: boolean) => void
+  onSubmit: (clientId: string) => void
+  isSubmitting?: boolean
+}
+
+export function GoogleClientIdModal({
+  open,
+  onOpenChange,
+  onSubmit,
+  isSubmitting = false,
+}: GoogleClientIdModalProps) {
+  const [clientId, setClientId] = useState("")
+
+  useEffect(() => {
+    if (!open) {
+      setClientId("")
+    }
+  }, [open])
+
+  const trimmedClientId = clientId.trim()
+  const isValid = trimmedClientId.length > 0
+
+  const handleSubmit = () => {
+    if (!isValid || isSubmitting) return
+    onSubmit(trimmedClientId)
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="max-w-md">
+        <DialogHeader>
+          <DialogTitle>Enter Google Client ID</DialogTitle>
+          <DialogDescription>
+            This app does not store the client ID. You will be prompted each session.
+          </DialogDescription>
+        </DialogHeader>
+        <div className="space-y-2">
+          <label className="text-xs font-medium text-muted-foreground" htmlFor="google-client-id">
+            Client ID
+          </label>
+          <Input
+            id="google-client-id"
+            placeholder="xxxxxxxxxxxx-xxxxxxxxxxxxxxxxxxxxxxxx.apps.googleusercontent.com"
+            value={clientId}
+            onChange={(event) => setClientId(event.target.value)}
+            onKeyDown={(event) => {
+              if (event.key === "Enter") {
+                event.preventDefault()
+                handleSubmit()
+              }
+            }}
+            autoFocus
+          />
+        </div>
+        <div className="mt-4 flex justify-end gap-2">
+          <Button
+            variant="ghost"
+            onClick={() => onOpenChange(false)}
+            disabled={isSubmitting}
+          >
+            Cancel
+          </Button>
+          <Button onClick={handleSubmit} disabled={!isValid || isSubmitting}>
+            Continue
+          </Button>
+        </div>
+      </DialogContent>
+    </Dialog>
+  )
+}
diff --git a/apps/x/apps/renderer/src/components/onboarding-modal.tsx b/apps/x/apps/renderer/src/components/onboarding-modal.tsx
index 074ad645..a1621d84 100644
--- a/apps/x/apps/renderer/src/components/onboarding-modal.tsx
+++ b/apps/x/apps/renderer/src/components/onboarding-modal.tsx
@@ -15,6 +15,8 @@ import { Button } from "@/components/ui/button"
 import { Switch } from "@/components/ui/switch"
 import { cn } from "@/lib/utils"
 import { ComposioApiKeyModal } from "@/components/composio-api-key-modal"
+import { GoogleClientIdModal } from "@/components/google-client-id-modal"
+import { getGoogleClientId, setGoogleClientId } from "@/lib/google-client-id-store"
 import { toast } from "sonner"
 
 interface ProviderState {
@@ -37,6 +39,7 @@ export function OnboardingModal({ open, onComplete }: OnboardingModalProps) {
   const [providers, setProviders] = useState<string[]>([])
   const [providersLoading, setProvidersLoading] = useState(true)
   const [providerStates, setProviderStates] = useState<Record<string, ProviderState>>({})
+  const [googleClientIdOpen, setGoogleClientIdOpen] = useState(false)
 
   // Granola state
   const [granolaEnabled, setGranolaEnabled] = useState(false)
@@ -245,15 +248,14 @@ export function OnboardingModal({ open, onComplete }: OnboardingModalProps) {
     return cleanup
   }, [])
 
-  // Connect to a provider
-  const handleConnect = useCallback(async (provider: string) => {
+  const startConnect = useCallback(async (provider: string, clientId?: string) => {
     setProviderStates(prev => ({
       ...prev,
       [provider]: { ...prev[provider], isConnecting: true }
     }))
 
     try {
-      const result = await window.ipc.invoke('oauth:connect', { provider })
+      const result = await window.ipc.invoke('oauth:connect', { provider, clientId })
 
       if (!result.success) {
         toast.error(result.error || `Failed to connect to ${provider}`)
@@ -272,6 +274,27 @@ export function OnboardingModal({ open, onComplete }: OnboardingModalProps) {
     }
   }, [])
 
+  // Connect to a provider
+  const handleConnect = useCallback(async (provider: string) => {
+    if (provider === 'google') {
+      const existingClientId = getGoogleClientId()
+      if (!existingClientId) {
+        setGoogleClientIdOpen(true)
+        return
+      }
+      await startConnect(provider, existingClientId)
+      return
+    }
+
+    await startConnect(provider)
+  }, [startConnect])
+
+  const handleGoogleClientIdSubmit = useCallback((clientId: string) => {
+    setGoogleClientId(clientId)
+    setGoogleClientIdOpen(false)
+    startConnect('google', clientId)
+  }, [startConnect])
+
   const handleNext = () => {
     if (currentStep < 2) {
       setCurrentStep((prev) => (prev + 1) as Step)
@@ -574,6 +597,12 @@ export function OnboardingModal({ open, onComplete }: OnboardingModalProps) {
 
   return (
     <>
+    <GoogleClientIdModal
+      open={googleClientIdOpen}
+      onOpenChange={setGoogleClientIdOpen}
+      onSubmit={handleGoogleClientIdSubmit}
+      isSubmitting={providerStates.google?.isConnecting ?? false}
+    />
     <ComposioApiKeyModal
       open={composioApiKeyOpen}
       onOpenChange={setComposioApiKeyOpen}
diff --git a/apps/x/apps/renderer/src/hooks/useOAuth.ts b/apps/x/apps/renderer/src/hooks/useOAuth.ts
index b2777c6c..f23f5975 100644
--- a/apps/x/apps/renderer/src/hooks/useOAuth.ts
+++ b/apps/x/apps/renderer/src/hooks/useOAuth.ts
@@ -50,10 +50,10 @@ export function useOAuth(provider: string) {
       return cleanup;
     }, [provider, checkConnection]);
 
-  const connect = useCallback(async () => {
+  const connect = useCallback(async (clientId?: string) => {
     try {
       setIsConnecting(true);
-      const result = await window.ipc.invoke('oauth:connect', { provider });
+      const result = await window.ipc.invoke('oauth:connect', { provider, clientId });
       if (result.success) {
         // OAuth flow started - keep isConnecting state, wait for event
         // Event listener will handle the actual completion
diff --git a/apps/x/apps/renderer/src/lib/google-client-id-store.ts b/apps/x/apps/renderer/src/lib/google-client-id-store.ts
new file mode 100644
index 00000000..78898325
--- /dev/null
+++ b/apps/x/apps/renderer/src/lib/google-client-id-store.ts
@@ -0,0 +1,17 @@
+let googleClientId: string | null = null;
+
+export function getGoogleClientId(): string | null {
+  return googleClientId;
+}
+
+export function setGoogleClientId(clientId: string): void {
+  const trimmed = clientId.trim();
+  if (!trimmed) {
+    return;
+  }
+  googleClientId = trimmed;
+}
+
+export function clearGoogleClientId(): void {
+  googleClientId = null;
+}
diff --git a/apps/x/packages/core/src/auth/provider-client-id.ts b/apps/x/packages/core/src/auth/provider-client-id.ts
new file mode 100644
index 00000000..6f8f6a90
--- /dev/null
+++ b/apps/x/packages/core/src/auth/provider-client-id.ts
@@ -0,0 +1,23 @@
+type ProviderClientIdOverrides = Map<string, string>;
+
+const providerClientIdOverrides: ProviderClientIdOverrides = new Map();
+
+export function setProviderClientIdOverride(provider: string, clientId: string): void {
+  const trimmed = clientId.trim();
+  if (!trimmed) {
+    return;
+  }
+  providerClientIdOverrides.set(provider, trimmed);
+}
+
+export function getProviderClientIdOverride(provider: string): string | undefined {
+  return providerClientIdOverrides.get(provider);
+}
+
+export function hasProviderClientIdOverride(provider: string): boolean {
+  return providerClientIdOverrides.has(provider);
+}
+
+export function clearProviderClientIdOverride(provider: string): void {
+  providerClientIdOverrides.delete(provider);
+}
diff --git a/apps/x/packages/core/src/auth/providers.ts b/apps/x/packages/core/src/auth/providers.ts
index edda5447..b9acce11 100644
--- a/apps/x/packages/core/src/auth/providers.ts
+++ b/apps/x/packages/core/src/auth/providers.ts
@@ -22,7 +22,7 @@ const DiscoverySchema = z.discriminatedUnion('mode', [
 const ClientSchema = z.discriminatedUnion('mode', [
   z.object({
     mode: z.literal('static'),
-    clientId: z.string().min(1),
+    clientId: z.string().min(1).optional(),
   }),
   z.object({
     mode: z.literal('dcr'),
@@ -58,7 +58,6 @@ const providerConfigs: ProviderConfig = {
     },
     client: {
       mode: 'static',
-      clientId: '797410052581-ibmmvqec0l68stv5fmgh0juqfvbg08fc.apps.googleusercontent.com',
     },
     scopes: [
       'https://www.googleapis.com/auth/gmail.readonly',
diff --git a/apps/x/packages/core/src/knowledge/fireflies-client-factory.ts b/apps/x/packages/core/src/knowledge/fireflies-client-factory.ts
index a56d39b5..d8c975c7 100644
--- a/apps/x/packages/core/src/knowledge/fireflies-client-factory.ts
+++ b/apps/x/packages/core/src/knowledge/fireflies-client-factory.ts
@@ -144,9 +144,13 @@ export class FirefliesClientFactory {
             if (providerConfig.client.mode === 'static') {
                 // Discover endpoints, use static client ID
                 console.log(`[Fireflies] Discovery mode: issuer with static client ID`);
+                const clientId = providerConfig.client.clientId;
+                if (!clientId) {
+                    throw new Error('Fireflies client ID not configured.');
+                }
                 this.cache.config = await oauthClient.discoverConfiguration(
                     providerConfig.discovery.issuer,
-                    providerConfig.client.clientId
+                    clientId
                 );
             } else {
                 // DCR mode - need existing registration
@@ -170,10 +174,14 @@ export class FirefliesClientFactory {
             }
             
             console.log(`[Fireflies] Using static endpoints (no discovery)`);
+            const clientId = providerConfig.client.clientId;
+            if (!clientId) {
+                throw new Error('Fireflies client ID not configured.');
+            }
             this.cache.config = oauthClient.createStaticConfiguration(
                 providerConfig.discovery.authorizationEndpoint,
                 providerConfig.discovery.tokenEndpoint,
-                providerConfig.client.clientId,
+                clientId,
                 providerConfig.discovery.revocationEndpoint
             );
         }
diff --git a/apps/x/packages/core/src/knowledge/google-client-factory.ts b/apps/x/packages/core/src/knowledge/google-client-factory.ts
index f32f492c..9a1240fb 100644
--- a/apps/x/packages/core/src/knowledge/google-client-factory.ts
+++ b/apps/x/packages/core/src/knowledge/google-client-factory.ts
@@ -3,6 +3,7 @@ import container from '../di/container.js';
 import { IOAuthRepo } from '../auth/repo.js';
 import { IClientRegistrationRepo } from '../auth/client-repo.js';
 import { getProviderConfig } from '../auth/providers.js';
+import { getProviderClientIdOverride } from '../auth/provider-client-id.js';
 import * as oauthClient from '../auth/oauth-client.js';
 import type { Configuration } from '../auth/oauth-client.js';
 import { OAuthTokens } from '../auth/types.js';
@@ -17,12 +18,22 @@ export class GoogleClientFactory {
         config: Configuration | null;
         client: OAuth2Client | null;
         tokens: OAuthTokens | null;
+        clientId: string | null;
     } = {
         config: null,
         client: null,
         tokens: null,
+        clientId: null,
     };
 
+    private static resolveClientId(): string {
+        const override = getProviderClientIdOverride(this.PROVIDER_NAME);
+        if (!override) {
+            throw new Error('Google client ID not provided for this session.');
+        }
+        return override;
+    }
+
     /**
      * Get or create OAuth2Client, reusing cached instance when possible
      */
@@ -36,7 +47,13 @@ export class GoogleClientFactory {
         }
 
         // Initialize config cache if needed
-        await this.initializeConfigCache();
+        try {
+            await this.initializeConfigCache();
+        } catch (error) {
+            console.error("[OAuth] Failed to initialize Google OAuth configuration:", error);
+            this.clearCache();
+            return null;
+        }
         if (!this.cache.config) {
             return null;
         }
@@ -95,6 +112,10 @@ export class GoogleClientFactory {
             return false;
         }
 
+        if (!getProviderClientIdOverride(this.PROVIDER_NAME)) {
+            return false;
+        }
+
         const tokens = await oauthRepo.getTokens(this.PROVIDER_NAME);
         if (!tokens) {
             return false;
@@ -116,14 +137,21 @@ export class GoogleClientFactory {
         this.cache.config = null;
         this.cache.client = null;
         this.cache.tokens = null;
+        this.cache.clientId = null;
     }
 
     /**
      * Initialize cached configuration (called once)
      */
     private static async initializeConfigCache(): Promise<void> {
-        if (this.cache.config) {
-            return; // Already initialized
+        const clientId = this.resolveClientId();
+
+        if (this.cache.config && this.cache.clientId === clientId) {
+            return; // Already initialized for this client ID
+        }
+
+        if (this.cache.clientId && this.cache.clientId !== clientId) {
+            this.clearCache();
         }
 
         console.log(`[OAuth] Initializing Google OAuth configuration...`);
@@ -135,7 +163,7 @@ export class GoogleClientFactory {
                 console.log(`[OAuth] Discovery mode: issuer with static client ID`);
                 this.cache.config = await oauthClient.discoverConfiguration(
                     providerConfig.discovery.issuer,
-                    providerConfig.client.clientId
+                    clientId
                 );
             } else {
                 // DCR mode - need existing registration
@@ -162,11 +190,12 @@ export class GoogleClientFactory {
             this.cache.config = oauthClient.createStaticConfiguration(
                 providerConfig.discovery.authorizationEndpoint,
                 providerConfig.discovery.tokenEndpoint,
-                providerConfig.client.clientId,
+                clientId,
                 providerConfig.discovery.revocationEndpoint
             );
         }
 
+        this.cache.clientId = clientId;
         console.log(`[OAuth] Google OAuth configuration initialized`);
     }
 
@@ -174,17 +203,7 @@ export class GoogleClientFactory {
      * Create OAuth2Client from OAuthTokens
      */
     private static createClientFromTokens(tokens: OAuthTokens): OAuth2Client {
-        const providerConfig = getProviderConfig(this.PROVIDER_NAME);
-        
-        // Get client ID from config
-        let clientId: string;
-        if (providerConfig.client.mode === 'static') {
-            clientId = providerConfig.client.clientId;
-        } else {
-            // For DCR, we'd need to look up the registered client ID
-            // This is a fallback - normally initializeConfigCache handles this
-            throw new Error('Cannot create client without static client ID');
-        }
+        const clientId = this.resolveClientId();
 
         // Create OAuth2Client directly (PKCE flow doesn't use client secret)
         const client = new OAuth2Client(
diff --git a/apps/x/packages/shared/src/ipc.ts b/apps/x/packages/shared/src/ipc.ts
index 79746516..aca2ce17 100644
--- a/apps/x/packages/shared/src/ipc.ts
+++ b/apps/x/packages/shared/src/ipc.ts
@@ -176,6 +176,7 @@ const ipcSchemas = {
   'oauth:connect': {
     req: z.object({
       provider: z.string(),
+      clientId: z.string().optional(),
     }),
     res: z.object({
       success: z.boolean(),