feat: add source-grounded evolution and Ollama assistant

backend/app/schemas/temporal.py

@@ -12,6 +12,7 @@ class TemporalComparisonRequest(BaseModel):
     earlier_dataset_id: UUID
     later_dataset_id: UUID
     bbox: VectorSelectionBBox
+    area_id: UUID | None = None
     preview_limit: int = Field(default=500, ge=1, le=1000)
 
 
@@ -23,6 +24,7 @@ class TemporalDatasetRef(BaseModel):
 
 
 class TemporalMetricComparison(BaseModel):
+    metric_key: str = "primary"
     label: str
     unit: str
     aggregation_method: str
@@ -31,6 +33,21 @@ class TemporalMetricComparison(BaseModel):
     absolute_change: float
     percent_change: float | None = None
     is_estimate: bool = False
+    warning: str | None = None
+
+
+class TemporalObservationMetric(BaseModel):
+    metric_key: str
+    label: str
+    value: float
+    unit: str
+    aggregation_method: str
+    is_estimate: bool = False
+
+
+class TemporalObservation(BaseModel):
+    dataset: TemporalDatasetRef
+    metrics: list[TemporalObservationMetric]
 
 
 class TemporalObjectChanges(BaseModel):
@@ -46,7 +63,10 @@ class TemporalComparisonResponse(BaseModel):
     earlier: TemporalDatasetRef
     later: TemporalDatasetRef
     selection_bbox: VectorSelectionBBox
+    selection_area_id: UUID | None = None
     metric: TemporalMetricComparison
+    metrics: list[TemporalMetricComparison] = Field(default_factory=list)
+    timeline: list[TemporalObservation] = Field(default_factory=list)
     object_changes: TemporalObjectChanges
     geojson: dict
     warnings: list[str]