feat(cloud): enforce host governance budgets

packages/cloud-platform/cloud/sdk/models.py

@@ -162,11 +162,15 @@ class UserSubmissionPolicyRequest(BaseModel):
     submission_enabled: bool = True
     allowed_host_ids: list[str] | None = None
     allowed_device_targets: list[DeviceTargetModel] | None = None
+    expected_revision: int | None = Field(default=None, ge=0)
 
 
-class UserSubmissionPolicyResponse(UserSubmissionPolicyRequest):
+class UserSubmissionPolicyResponse(BaseModel):
     user_id: str
     revision: int
+    submission_enabled: bool
+    allowed_host_ids: list[str] | None = None
+    allowed_device_targets: list[DeviceTargetModel] | None = None
     updated_at: datetime
 
 
@@ -174,9 +178,22 @@ class HostGovernancePolicyRequest(BaseModel):
     self_submission_enabled: bool = True
     max_active_tasks: int | None = Field(default=None, ge=1)
     daily_token_budget: int | None = Field(default=None, ge=1)
+    expected_revision: int | None = Field(default=None, ge=0)
 
 
-class HostGovernancePolicyResponse(HostGovernancePolicyRequest):
+class HostGovernancePolicyResponse(BaseModel):
     host_id: str
     revision: int
+    self_submission_enabled: bool
+    max_active_tasks: int | None = None
+    daily_token_budget: int | None = None
     updated_at: datetime
+
+
+class HostTokenUsageSummaryResponse(BaseModel):
+    host_id: str
+    usage_day: str
+    daily_token_budget: int | None = None
+    used_tokens: int
+    reserved_tokens: int
+    remaining_tokens: int | None = None