Add conditional localized form definitions

src/govoplan_forms/backend/schemas.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+from datetime import datetime
 from typing import Any
 
 from pydantic import BaseModel, ConfigDict, Field
@@ -21,8 +22,24 @@ class FormDefinitionHistoryResponse(BaseModel):
     revisions: list[dict[str, Any]]
 
 
+class FormPackageRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    fragment: dict[str, Any]
+
+
+class FormPackageImportRequest(FormPackageRequest):
+    target_form_id: str | None = Field(default=None, min_length=1, max_length=255)
+    target_key: str | None = Field(default=None, min_length=1, max_length=255)
+    expected_revision: str | None = Field(default=None, min_length=1, max_length=255)
+    change_reason: str = Field(min_length=1, max_length=1000)
+    recorded_at: datetime
+
+
 __all__ = [
     "FormDefinitionHistoryResponse",
     "FormDefinitionListResponse",
     "FormDefinitionWriteRequest",
+    "FormPackageImportRequest",
+    "FormPackageRequest",
 ]