feat(items): add server field and improve item management

refactor(ai): enhance item structure generation with schema validation
feat(ai): add token usage tracking and cost calculation
fix(ui): improve item card number formatting with locale support
docs(items): add documentation for item value separation
test(items): add tests for value field validation

lib/items/sqlite-manager.ts

@@ -211,11 +211,38 @@ export interface UpsertItemInput {
   data: Record<string, unknown>;
 }
 
+function ensureServerColumn(category: string) {
+  const db = getDatabase();
+  const normalized = category.trim().toLowerCase();
+  validateCategoryName(normalized);
+
+  const pragma = db.prepare(`PRAGMA table_info(${normalized})`).all() as Array<{
+    name: string;
+    type: string;
+    notnull: number;
+    pk: number;
+  }>;
+
+  const hasServer = pragma.some((col) => col.name === "server");
+  if (!hasServer) {
+    // Adiciona coluna 'server' como TEXT opcional
+    addColumnToCategory({
+      category: normalized,
+      column: { name: "server", type: "TEXT", notNull: false, editable: true },
+    });
+  }
+}
+
 export function insertCategoryItem(input: UpsertItemInput): number {
   const db = getDatabase();
   const category = input.category.trim().toLowerCase();
   validateCategoryName(category);
 
+  // Garante que a coluna 'server' exista na tabela de destino.
+  try {
+    ensureServerColumn(category);
+  } catch {}
+
   const data = { ...input.data };
   delete data.id;