chore: db migrate

backend/drizzle/0001_fluffy_pestilence.sql

@@ -0,0 +1,7 @@
+ALTER TABLE `agents` DROP COLUMN `cpu_usage`;--> statement-breakpoint
+ALTER TABLE `agents` DROP COLUMN `memory_total`;--> statement-breakpoint
+ALTER TABLE `agents` DROP COLUMN `memory_used`;--> statement-breakpoint
+ALTER TABLE `agents` DROP COLUMN `disk_total`;--> statement-breakpoint
+ALTER TABLE `agents` DROP COLUMN `disk_used`;--> statement-breakpoint
+ALTER TABLE `agents` DROP COLUMN `network_rx`;--> statement-breakpoint
+ALTER TABLE `agents` DROP COLUMN `network_tx`;

backend/drizzle/meta/_journal.json

@@ -8,6 +8,13 @@
       "when": 1748308256007,
       "tag": "0000_romantic_next_avengers",
       "breakpoints": true
+    },
+    {
+      "idx": 1,
+      "version": "6",
+      "when": 1749736889133,
+      "tag": "0001_fluffy_pestilence",
+      "breakpoints": true
     }
   ]
 }