Mostly works

nodejs/controller/storage/database.js

@@ -400,6 +400,20 @@ class Database {
 		`, [itemName]);
 	}
 
+	// Find chests with available slots, ordered nearest-first from a reference point.
+	// Returns an array of { id, pos_x, pos_y, pos_z, chest_type, empty_slots }.
+	async findNearestChestsWithSpace(neededSlots, refX, refY, refZ) {
+		return await this.db.all(`
+			SELECT c.id, c.pos_x, c.pos_y, c.pos_z, c.chest_type,
+				(CASE WHEN c.chest_type = 'double' THEN 54 ELSE 27 END) - COUNT(s.id) as empty_slots
+			FROM chests c
+			LEFT JOIN shulkers s ON s.chest_id = c.id
+			GROUP BY c.id
+			HAVING empty_slots > 0
+			ORDER BY ((c.pos_x - ?) * (c.pos_x - ?) + (c.pos_y - ?) * (c.pos_y - ?) + (c.pos_z - ?) * (c.pos_z - ?)) ASC
+		`, [refX, refX, refY, refY, refZ, refZ]);
+	}
+
 	// Find a chest slot that doesn't have a shulker (for placing newly crafted ones)
 	async findEmptyChestSlot() {
 		const chests = await this.db.all(`
@@ -560,7 +574,7 @@ class Database {
 		// Clear and rebuild from shulker_items
 		await this.db.run('DELETE FROM item_index');
 		await this.db.run(`
-			INSERT INTO item_index (item_id, item_name, total_count, shulker_ids, last_updated)
+			INSERT OR REPLACE INTO item_index (item_id, item_name, total_count, shulker_ids, last_updated)
 			SELECT
 				si.item_id,
 				si.item_name,