feat: add operational Dashboard

backend/app/repairs/center_repository.py

@@ -314,3 +314,31 @@ class RepairCenterRepository:
         finally:
             connection.close()
         return {"items": items, "summary": summary, "location_options": options}
+
+    def summarize_active_repairs(self) -> dict[str, Any]:
+        """Return exact active counts without loading Repair Center rows."""
+        ctes = self._ctes(show_miners=False, show_locations=False)
+        connection = self._connection_factory()
+        try:
+            with connection.cursor(row_factory=dict_row) as cur:
+                cur.execute(
+                    f"""
+                    {ctes}, active_rows AS (
+                        SELECT repair_status FROM candidates WHERE active
+                    )
+                    SELECT count(*)::integer AS active,
+                        COALESCE((SELECT jsonb_object_agg(
+                            status_rows.repair_status,
+                            status_rows.status_count
+                        ) FROM (
+                            SELECT repair_status,
+                                count(*)::integer AS status_count
+                            FROM active_rows
+                            GROUP BY repair_status
+                        ) AS status_rows), '{{}}'::jsonb) AS status_counts
+                    FROM active_rows
+                    """
+                )
+                return dict(cur.fetchone())
+        finally:
+            connection.close()

backend/app/repairs/center_service.py

@@ -2,6 +2,7 @@
 
 from app.repairs.center_repository import RepairCenterRepository
 from app.repairs.models import (
+    ActiveRepairSummary,
     RepairCenterAccess,
     RepairCenterCapabilities,
     RepairCenterFilters,
@@ -94,3 +95,8 @@ class RepairCenterService:
                 location_options=location_options,
             ),
         )
+
+    def summarize_active_repairs(self) -> ActiveRepairSummary:
+        return ActiveRepairSummary.model_validate(
+            self.repository.summarize_active_repairs()
+        )

backend/app/repairs/models.py

@@ -389,6 +389,11 @@ class RepairCenterSummary(BaseModel):
     error_counts: dict[str, int] = Field(default_factory=dict)
 
 
+class ActiveRepairSummary(BaseModel):
+    active: int
+    status_counts: dict[str, int] = Field(default_factory=dict)
+
+
 class RepairCenterLocationOption(BaseModel):
     id: UUID
     name: str