feat(gc): Add terms acceptance support for MSP and billing group status

gc/v1/gc.proto

@@ -295,6 +295,13 @@ service GuaranteedCommitments {
     };
   }
 
+  rpc AcceptBillingGroupTerms(AcceptBillingGroupTermsRequest) returns (AcceptBillingGroupTermsResponse) {
+    option (google.api.http) = {
+      post: "/v1/managements/billinggroups/terms:accept"
+      body: "*"
+    };
+  }
+
     // GetGuaranteedCommitmentTemplateUrl returns a CloudFormation launch URL for deploying
   // both Alphaus (Ripple) and Archera IAM roles in a single stack.
   rpc GetGuaranteedCommitmentTemplateUrl(GetGuaranteedCommitmentTemplateUrlRequest) returns (GetGuaranteedCommitmentTemplateUrlResponse) {
@@ -546,6 +553,13 @@ message AwsExistingCur {
   string reportName = 4; // maps to "report_name" conceptually
 }
 
+// TermsAcceptance represents the current terms acceptance state for an entity.
+message TermsAcceptance {
+  bool accepted = 1;
+  string acceptedAt = 2;
+  string acceptedBy = 3;
+}
+
 message RegisterOrgRequest {
 
   string name = 1;
@@ -662,6 +676,9 @@ message GetAwsPrivateOfferRequest {
   bool recreate = 2;
 }
 
+message AcceptBillingGroupTermsRequest {}
+
+
 message SaveCommitmentsPlanAsDraftRequest {
   // Required. The commitment purchase plan ID to save as draft.
   string planId = 1;
@@ -1655,6 +1672,8 @@ message GetOnboardingStatusResponse {
   // passed/failed when a user comes back later (e.g., after stopping at verification).
   // Empty when verification hasn't been attempted yet or when no checks were persisted.
   repeated VerifyAwsOnboardingResponse.AwsOnboardingFeatureCheck verificationChecks = 10;
+
+  TermsAcceptance termsAcceptance = 11;
 }
 
 message PayerAccountDetails {
@@ -1748,6 +1767,8 @@ message SetBillingGroupStatusResponse {
 
 message GetBillingGroupStatusResponse {
   ListBillingGroupsResponse.BillingGroup billingGroup = 1;
+
+  TermsAcceptance termsAcceptance = 2;
 }
 
 message ValidateBillingGroupResponse {
@@ -1785,6 +1806,10 @@ message GetAwsPrivateOfferResponse {
   string expirationDate = 9;
 }
 
+message AcceptBillingGroupTermsResponse {
+  TermsAcceptance termsAcceptance = 1;
+}
+
 message ListDraftPurchasePlansResponse {
   repeated DefaultPurchasePlan plans = 1;
 }

openapiv2/apidocs.swagger.json

@@ -11379,6 +11379,38 @@
         ]
       }
     },
+    "/v1/managements/billinggroups/terms:accept": {
+      "post": {
+        "operationId": "GuaranteedCommitments_AcceptBillingGroupTerms",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1AcceptBillingGroupTermsResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/v1AcceptBillingGroupTermsRequest"
+            }
+          }
+        ],
+        "tags": [
+          "GuaranteedCommitments"
+        ]
+      }
+    },
     "/v1/managements/billinggroups/{companyId}": {
       "post": {
         "operationId": "GuaranteedCommitments_SetBillingGroupStatus",
@@ -34122,6 +34154,17 @@
         }
       }
     },
+    "v1AcceptBillingGroupTermsRequest": {
+      "type": "object"
+    },
+    "v1AcceptBillingGroupTermsResponse": {
+      "type": "object",
+      "properties": {
+        "termsAcceptance": {
+          "$ref": "#/definitions/v1TermsAcceptance"
+        }
+      }
+    },
     "v1AccountAccess": {
       "type": "object",
       "properties": {
@@ -40322,6 +40365,9 @@
       "properties": {
         "billingGroup": {
           "$ref": "#/definitions/v1ListBillingGroupsResponseBillingGroup"
+        },
+        "termsAcceptance": {
+          "$ref": "#/definitions/v1TermsAcceptance"
         }
       }
     },
@@ -41602,6 +41648,9 @@
             "$ref": "#/definitions/VerifyAwsOnboardingResponseAwsOnboardingFeatureCheck"
           },
           "description": "Detailed AWS verification results (best-effort) returned from the last VerifyAwsOnboarding call.\nThis is used by the UI to \"resume\" the onboarding flow and show which verification checks\npassed/failed when a user comes back later (e.g., after stopping at verification).\nEmpty when verification hasn't been attempted yet or when no checks were persisted."
+        },
+        "termsAcceptance": {
+          "$ref": "#/definitions/v1TermsAcceptance"
         }
       }
     },
@@ -46260,6 +46309,21 @@
         }
       }
     },
+    "v1TermsAcceptance": {
+      "type": "object",
+      "properties": {
+        "accepted": {
+          "type": "boolean"
+        },
+        "acceptedAt": {
+          "type": "string"
+        },
+        "acceptedBy": {
+          "type": "string"
+        }
+      },
+      "description": "TermsAcceptance represents the current terms acceptance state for an entity."
+    },
     "v1ThirdProfitItemSection": {
       "type": "object",
       "properties": {