feat(settings): add settings route and API updates\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

prisma/migrations/20260516181627_change_value_to_string/migration.sql

@@ -0,0 +1,17 @@
+-- RedefineTables
+PRAGMA defer_foreign_keys=ON;
+PRAGMA foreign_keys=OFF;
+CREATE TABLE "new_AppSetting" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "key" TEXT NOT NULL,
+    "value" TEXT NOT NULL,
+    "description" TEXT,
+    "updatedAt" DATETIME NOT NULL,
+    "updatedBy" TEXT
+);
+INSERT INTO "new_AppSetting" ("description", "id", "key", "updatedAt", "updatedBy", "value") SELECT "description", "id", "key", "updatedAt", "updatedBy", "value" FROM "AppSetting";
+DROP TABLE "AppSetting";
+ALTER TABLE "new_AppSetting" RENAME TO "AppSetting";
+CREATE UNIQUE INDEX "AppSetting_key_key" ON "AppSetting"("key");
+PRAGMA foreign_keys=ON;
+PRAGMA defer_foreign_keys=OFF;

prisma/schema.prisma

@@ -23,7 +23,7 @@ model Stock {
 model AppSetting {
   id         Int      @id @default(autoincrement())
   key        String   @unique
-  value      Json
+  value      String
   description String?
   updatedAt  DateTime @updatedAt
   updatedBy  String?