Add external row quantity foundation

src/db/migrations/0005_stale_gorilla_man.sql

@@ -0,0 +1,3 @@
+ALTER TABLE `circuit_device_rows` ADD `manual_quantity` integer DEFAULT 0 NOT NULL;
+--> statement-breakpoint
+UPDATE `circuit_device_rows` SET `manual_quantity` = `quantity`;

src/db/migrations/meta/_journal.json

@@ -36,6 +36,13 @@
       "when": 1785684457208,
       "tag": "0004_illegal_the_stranger",
       "breakpoints": true
+    },
+    {
+      "idx": 5,
+      "version": "6",
+      "when": 1785687503453,
+      "tag": "0005_stale_gorilla_man",
+      "breakpoints": true
     }
   ]
 }