feat: synchronize governance templates in bulk

src/govoplan_admin/backend/api/v1/schemas.py

@@ -590,3 +590,31 @@ class GovernanceTemplateUpdateRequest(BaseModel):
     is_active: bool = True
     assignments: list[GovernanceAssignment] = Field(default_factory=list)
     change_request_id: str | None = None
+
+
+class GovernanceSynchronizationRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    template_ids: list[str] = Field(min_length=1, max_length=100)
+    dry_run: bool = False
+
+
+class GovernanceSynchronizationOutcome(BaseModel):
+    assignment_id: str
+    template_id: str
+    tenant_id: str
+    kind: Literal["group", "role"]
+    operation: Literal["upsert", "remove"]
+    status: Literal["created", "updated", "unchanged", "removed", "absent", "blocked", "failed"]
+    resource_id: str | None = None
+    blocker_codes: list[str] = Field(default_factory=list)
+    message: str | None = None
+    provenance: dict[str, str] = Field(default_factory=dict)
+
+
+class GovernanceSynchronizationResponse(BaseModel):
+    version: Literal["1"] = "1"
+    operation_id: str
+    dry_run: bool
+    outcomes: list[GovernanceSynchronizationOutcome]
+    counts: dict[str, int] = Field(default_factory=dict)