Integrate formal decisions with cases

src/govoplan_cases/backend/schemas.py

@@ -82,6 +82,19 @@ class CaseUpdateRequest(BaseModel):
     metadata: dict[str, Any] | None = None
 
 
+class CaseDecisionRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    expected_case_revision: int = Field(ge=1)
+    effective_at: datetime
+    decision_type: str = Field(min_length=1, max_length=120)
+    operative_result: str = Field(min_length=1, max_length=20_000)
+    reasoning: str = Field(min_length=1, max_length=50_000)
+    conditions: list[str] = Field(default_factory=list, max_length=100)
+    change_reason: str = Field(min_length=1, max_length=1_000)
+    idempotency_key: str = Field(min_length=1, max_length=255)
+
+
 class CaseListResponse(BaseModel):
     cases: list[dict[str, Any]]
     total: int
@@ -99,6 +112,7 @@ class CaseTimelineResponse(BaseModel):
 
 __all__ = [
     "CaseGrantRequest",
+    "CaseDecisionRequest",
     "CaseHistoryResponse",
     "CaseListResponse",
     "CaseStatusWriteRequest",