feat: implement committee decision workspace

src/govoplan_committee/backend/schemas.py

@@ -0,0 +1,45 @@
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Any
+
+from pydantic import BaseModel, ConfigDict, Field
+
+
+class CommitteeWorkspaceWriteRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    record: dict[str, Any]
+    idempotency_key: str = Field(min_length=1, max_length=255)
+    expected_revision: int | None = Field(default=None, ge=1)
+
+
+class CommitteeWorkspaceListResponse(BaseModel):
+    records: list[dict[str, Any]]
+    total: int
+    offset: int
+    limit: int
+
+
+class CommitteeWorkspaceHistoryResponse(BaseModel):
+    revisions: list[dict[str, Any]]
+
+
+class CommitteeBallotFinalizeRequest(BaseModel):
+    model_config = ConfigDict(extra="forbid")
+
+    provider_id: str = Field(min_length=1, max_length=80)
+    provider_ballot_ref: str = Field(min_length=1, max_length=255)
+    approval_ref: dict[str, Any]
+    expected_revision: int = Field(ge=1)
+    recorded_at: datetime
+    change_reason: str = Field(min_length=1, max_length=1_000)
+    idempotency_key: str = Field(min_length=1, max_length=255)
+
+
+__all__ = [
+    "CommitteeWorkspaceHistoryResponse",
+    "CommitteeWorkspaceListResponse",
+    "CommitteeWorkspaceWriteRequest",
+    "CommitteeBallotFinalizeRequest",
+]