Add cross-module operational and interaction contracts

src/govoplan_core/api/v1/schemas.py

@@ -73,6 +73,12 @@ class SwitchTenantRequest(BaseModel):
     tenant_id: str
 
 
+class SwitchActingContextRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    assignment_id: str | None = Field(default=None, max_length=36)
+
+
 class TenantInfo(BaseModel):
     id: str
     slug: str
@@ -178,6 +184,7 @@ class PrincipalContextInfo(BaseModel):
     api_key_id: str | None = None
     session_id: str | None = None
     service_account_id: str | None = None
+    acting_assignment_id: str | None = None
     acting_for_account_id: str | None = None
     email: str | None = None
     display_name: str | None = None