feat: add miner detail view

backend/app/repairs/center_repository.py

@@ -315,6 +315,28 @@ class RepairCenterRepository:
             connection.close()
         return {"items": items, "summary": summary, "location_options": options}
 
+    def list_miner_repairs(self, miner_id) -> list[dict[str, Any]]:
+        """Return a bounded, exact repair history for one durable miner."""
+        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}
+                    SELECT candidate.* FROM candidates AS candidate
+                    WHERE candidate.miner_id = %s
+                    ORDER BY candidate.active DESC,
+                        candidate.opened_at DESC NULLS LAST,
+                        candidate.repair_id NULLS LAST
+                    LIMIT 50
+                    """,
+                    (miner_id,),
+                )
+                return [dict(row) for row in cur.fetchall()]
+        finally:
+            connection.close()
+
     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)

backend/app/repairs/center_service.py

@@ -96,6 +96,28 @@ class RepairCenterService:
             ),
         )
 
+    def list_miner_repairs(
+        self, miner_id, access: RepairCenterAccess
+    ) -> list[RepairCenterItem]:
+        items = []
+        for row in self.repository.list_miner_repairs(miner_id):
+            mapped = {
+                **row,
+                "miner_status": row.get("runtime_status"),
+                "latest_event_status": row.get("legacy_event_status"),
+                "latest_event_description": row.get("latest_context"),
+                "latest_event_at": row.get("latest_context_at"),
+                "asset_state": row.get("legacy_asset_state"),
+                "state_notes": row.get("latest_context"),
+                "reported_error": row.get("reported_problem"),
+            }
+            item = RepairCenterItem.model_validate(
+                {**mapped, "capabilities": RepairCenterCapabilities()}
+            )
+            item.capabilities = self._capabilities(item, access)
+            items.append(item)
+        return items
+
     def summarize_active_repairs(self) -> ActiveRepairSummary:
         return ActiveRepairSummary.model_validate(
             self.repository.summarize_active_repairs()