fix(safety): unify add-account typed risk phrase

- change required acknowledgement phrase to "I ACCEPT RISK"

- apply typed phrase requirement to Gemini and Antigravity add-account flows

- keep CLI/server and UI phrase validation aligned

- update antigravity responsibility unit test

src/cliproxy/antigravity-responsibility.ts

@@ -14,7 +14,8 @@ import { getCliproxySafetyConfig } from '../config/unified-config-loader';
 
 export const ANTIGRAVITY_RISK_ISSUE_URL = 'https://github.com/kaitranntt/ccs/issues/509';
 export const ANTIGRAVITY_ACK_VERSION = '2026-02-24-antigravity-oauth-v2';
-export const ANTIGRAVITY_ACK_PHRASE = 'I ACCEPT AGY RISK';
+export const RISK_ACK_PHRASE = 'I ACCEPT RISK';
+export const ANTIGRAVITY_ACK_PHRASE = RISK_ACK_PHRASE;
 export const ANTIGRAVITY_ACCEPT_RISK_FLAGS = ['--accept-agr-risk', '--accept-antigravity-risk'];
 
 type AgyRiskContext = 'oauth' | 'run';

tests/unit/cliproxy/antigravity-responsibility.test.ts

@@ -57,7 +57,7 @@ describe('antigravity-responsibility', () => {
       reviewedIssue509: true,
       understandsBanRisk: true,
       acceptsFullResponsibility: true,
-      typedPhrase: '  i   accept   agy   risk  ',
+      typedPhrase: '  i   accept   risk  ',
     });
 
     expect(result.valid).toBeTrue();

ui/src/components/account/account-safety-warning-card.tsx

@@ -1,14 +1,16 @@
 import { AlertTriangle, ExternalLink, Settings2 } from 'lucide-react';
 import { Badge } from '@/components/ui/badge';
-import { Checkbox } from '@/components/ui/checkbox';
+import { Input } from '@/components/ui/input';
 import { Label } from '@/components/ui/label';
 import { cn } from '@/lib/utils';
+import { RISK_ACK_PHRASE } from '@/components/account/antigravity-responsibility-constants';
 
 interface AccountSafetyWarningCardProps {
   className?: string;
   showAcknowledgement?: boolean;
-  acknowledged?: boolean;
-  onAcknowledgedChange?: (value: boolean) => void;
+  acknowledgementPhrase?: string;
+  acknowledgementText?: string;
+  onAcknowledgementTextChange?: (value: string) => void;
   disabled?: boolean;
   showProxySettingsLink?: boolean;
 }
@@ -16,8 +18,9 @@ interface AccountSafetyWarningCardProps {
 export function AccountSafetyWarningCard({
   className,
   showAcknowledgement = false,
-  acknowledged = false,
-  onAcknowledgedChange,
+  acknowledgementPhrase = RISK_ACK_PHRASE,
+  acknowledgementText = '',
+  onAcknowledgementTextChange,
   disabled = false,
   showProxySettingsLink = false,
 }: AccountSafetyWarningCardProps) {
@@ -99,20 +102,22 @@ export function AccountSafetyWarningCard({
           </span>
         </div>
 
-        {showAcknowledgement && onAcknowledgedChange && (
+        {showAcknowledgement && onAcknowledgementTextChange && (
           <div className="rounded-lg border border-amber-500/25 bg-amber-500/5 p-2.5">
-            <div className="flex items-start gap-2">
-              <Checkbox
-                id="account-risk-ack"
-                checked={acknowledged}
-                onCheckedChange={(checked) => onAcknowledgedChange(Boolean(checked))}
-                disabled={disabled}
-              />
-              <Label htmlFor="account-risk-ack" className="text-xs leading-5">
-                I understand this risk and that CCS takes no responsibility if I continue this
-                setup.
-              </Label>
-            </div>
+            <Label htmlFor="account-risk-ack-text" className="text-xs leading-5">
+              Type exact phrase to continue:{' '}
+              <code className="rounded bg-muted px-1 py-0.5 font-mono">
+                {acknowledgementPhrase}
+              </code>
+            </Label>
+            <Input
+              id="account-risk-ack-text"
+              value={acknowledgementText}
+              onChange={(e) => onAcknowledgementTextChange(e.target.value)}
+              placeholder={acknowledgementPhrase}
+              disabled={disabled}
+              className="mt-2 font-mono text-xs"
+            />
           </div>
         )}
       </div>

ui/src/components/account/add-account-dialog.tsx

@@ -34,6 +34,7 @@ import { AntigravityResponsibilityChecklist } from '@/components/account/antigra
 import {
   ANTIGRAVITY_ACK_VERSION,
   DEFAULT_ANTIGRAVITY_RISK_CHECKLIST,
+  RISK_ACK_PHRASE,
   isAntigravityRiskChecklistComplete,
 } from '@/components/account/antigravity-responsibility-constants';
 import {
@@ -55,6 +56,10 @@ interface AddAccountDialogProps {
   isFirstAccount?: boolean;
 }
 
+function normalizeRiskPhrase(value: string): string {
+  return value.trim().replace(/\s+/g, ' ').toUpperCase();
+}
+
 export function AddAccountDialog({
   open,
   onClose,
@@ -66,7 +71,7 @@ export function AddAccountDialog({
   const [callbackUrl, setCallbackUrl] = useState('');
   const [copied, setCopied] = useState(false);
   const [localError, setLocalError] = useState<string | null>(null);
-  const [acknowledgedRisk, setAcknowledgedRisk] = useState(false);
+  const [riskAcknowledgementText, setRiskAcknowledgementText] = useState('');
   const [agyRiskChecklist, setAgyRiskChecklist] = useState(DEFAULT_ANTIGRAVITY_RISK_CHECKLIST);
   const [agyAckBypassEnabled, setAgyAckBypassEnabled] = useState(false);
   const [agyAckBypassLoading, setAgyAckBypassLoading] = useState(false);
@@ -80,6 +85,7 @@ export function AddAccountDialog({
   const requiresAgyResponsibilityFlow = provider === 'agy' && !agyAckBypassEnabled;
   const isAgyBypassStatePending = provider === 'agy' && agyAckBypassLoading;
   const isAgyRiskChecklistComplete = isAntigravityRiskChecklistComplete(agyRiskChecklist);
+  const isGeminiRiskAcknowledged = normalizeRiskPhrase(riskAcknowledgementText) === RISK_ACK_PHRASE;
   const defaultDeviceCode = isDeviceCodeProvider(provider);
   const requiresNickname = isNicknameRequiredProvider(provider);
   const kiroMethodOption = getKiroAuthMethodOption(kiroAuthMethod);
@@ -102,7 +108,7 @@ export function AddAccountDialog({
     setCallbackUrl('');
     setCopied(false);
     setLocalError(null);
-    setAcknowledgedRisk(false);
+    setRiskAcknowledgementText('');
     setAgyRiskChecklist(DEFAULT_ANTIGRAVITY_RISK_CHECKLIST);
     setAgyAckBypassEnabled(false);
     setAgyAckBypassLoading(false);
@@ -113,7 +119,7 @@ export function AddAccountDialog({
 
   useEffect(() => {
     if (open) {
-      setAcknowledgedRisk(false);
+      setRiskAcknowledgementText('');
       setAgyRiskChecklist(DEFAULT_ANTIGRAVITY_RISK_CHECKLIST);
       setLocalError(null);
     }
@@ -252,9 +258,9 @@ export function AddAccountDialog({
       );
       return;
     }
-    if (requiresSafetyAcknowledgement && !acknowledgedRisk) {
+    if (requiresSafetyAcknowledgement && !isGeminiRiskAcknowledged) {
       setLocalError(
-        'Please acknowledge the account safety warning before authenticating this provider.'
+        `Type "${RISK_ACK_PHRASE}" to acknowledge the account safety warning before authenticating this provider.`
       );
       return;
     }
@@ -348,9 +354,10 @@ export function AddAccountDialog({
           {requiresSafetyAcknowledgement && !showAuthUI && (
             <AccountSafetyWarningCard
               showAcknowledgement
-              acknowledged={acknowledgedRisk}
-              onAcknowledgedChange={(value) => {
-                setAcknowledgedRisk(value);
+              acknowledgementPhrase={RISK_ACK_PHRASE}
+              acknowledgementText={riskAcknowledgementText}
+              onAcknowledgementTextChange={(value) => {
+                setRiskAcknowledgementText(value);
                 setLocalError(null);
               }}
               disabled={isPending}
@@ -549,7 +556,7 @@ export function AddAccountDialog({
                   isAgyBypassStatePending ||
                   (requiresNickname && !nicknameTrimmed) ||
                   (requiresAgyResponsibilityFlow && !isAgyRiskChecklistComplete) ||
-                  (requiresSafetyAcknowledgement && !acknowledgedRisk)
+                  (requiresSafetyAcknowledgement && !isGeminiRiskAcknowledged)
                 }
               >
                 <ExternalLink className="w-4 h-4 mr-2" />

ui/src/components/account/antigravity-responsibility-constants.ts

@@ -1,5 +1,6 @@
 export const ANTIGRAVITY_ACK_VERSION = '2026-02-24-antigravity-oauth-v2';
-export const ANTIGRAVITY_ACK_PHRASE = 'I ACCEPT AGY RISK';
+export const RISK_ACK_PHRASE = 'I ACCEPT RISK';
+export const ANTIGRAVITY_ACK_PHRASE = RISK_ACK_PHRASE;
 
 export interface AntigravityRiskChecklistValue {
   reviewedIssue509: boolean;