feat: add temporal Mol explorer

backend/app/schemas/dataset.py

@@ -36,6 +36,12 @@ class DatasetCreateResponse(BaseModel):
     source_metadata: dict | None = None
     provenance_metadata: dict | None = None
     imported_at: datetime | None = None
+    temporal_series_key: str | None = None
+    observed_at: datetime | None = None
+    valid_from: datetime | None = None
+    valid_to: datetime | None = None
+    temporal_granularity: str | None = None
+    source_version: str | None = None
     project_id: UUID
     area_id: UUID | None = None
     storage_path: str | None = None
@@ -70,6 +76,32 @@ class DatasetMetadataRefresh(BaseModel):
     crs: str | None = None
 
 
+class DatasetTemporalUpdate(BaseModel):
+    temporal_series_key: str
+    observed_at: datetime
+    valid_from: datetime | None = None
+    valid_to: datetime | None = None
+    temporal_granularity: str = "snapshot"
+    source_version: str | None = None
+
+
+class DatasetVersionRead(BaseModel):
+    id: UUID
+    dataset_id: UUID
+    version: int
+    storage_path: str | None = None
+    source_version: str | None = None
+    observed_at: datetime | None = None
+    valid_from: datetime | None = None
+    valid_to: datetime | None = None
+    checksum_sha256: str | None = None
+    source_metadata: dict | None = None
+    provenance_metadata: dict | None = None
+    created_at: datetime | None = None
+
+    model_config = {"from_attributes": True}
+
+
 class ExportRequest(BaseModel):
     dataset_id: UUID
     name: str | None = None