fix and update

shared/proto/identity.proto

@@ -13,6 +13,12 @@ service OAuthCoreService {
   rpc GetOAuthClientPublicInfo (GetOAuthClientPublicInfoRequest) returns (OAuthClientPublicInfo);
 }
 
+service FedcmService {
+  rpc GetAccounts (FedcmSessionRequest) returns (FedcmAccountsResponse);
+  rpc IssueIdAssertion (FedcmIdAssertionRequest) returns (FedcmIdAssertionResponse);
+  rpc GetClientMetadata (FedcmClientMetadataRequest) returns (FedcmClientMetadataResponse);
+}
+
 service OtpService {
   rpc SendOtp (SendOtpRequest) returns (OtpResponse);
   rpc VerifyOtp (VerifyOtpRequest) returns (OtpVerifyResponse);
@@ -107,6 +113,44 @@ message GetOAuthClientPublicInfoRequest {
   string clientId = 1;
 }
 
+message FedcmSessionRequest {
+  string userId = 1;
+  string sessionId = 2;
+}
+
+message FedcmAccount {
+  string id = 1;
+  string name = 2;
+  optional string given_name = 3;
+  optional string email = 4;
+  optional string picture = 5;
+  repeated string approved_clients = 6;
+}
+
+message FedcmAccountsResponse {
+  repeated FedcmAccount accounts = 1;
+}
+
+message FedcmIdAssertionRequest {
+  string userId = 1;
+  string sessionId = 2;
+  string clientId = 3;
+  string accountId = 4;
+}
+
+message FedcmIdAssertionResponse {
+  string token = 1;
+}
+
+message FedcmClientMetadataRequest {
+  string clientId = 1;
+}
+
+message FedcmClientMetadataResponse {
+  string privacy_policy_url = 1;
+  string terms_of_service_url = 2;
+}
+
 message CheckOAuthConsentRequest {
   string userId = 1;
   string clientId = 2;