feat(Notes): add folder management to notes, allowing notes to be categorized into folders, and update related components for folder selection and display

prisma/migrations/20260105000000_add_folders_for_notes/migration.sql

@@ -0,0 +1,23 @@
+-- CreateTable
+CREATE TABLE "folders" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "name" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "tagId" TEXT,
+    "parentId" TEXT,
+    "order" INTEGER NOT NULL DEFAULT 0,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" DATETIME NOT NULL,
+    CONSTRAINT "folders_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "folders_tagId_fkey" FOREIGN KEY ("tagId") REFERENCES "tags" ("id") ON DELETE SET NULL ON UPDATE CASCADE,
+    CONSTRAINT "folders_parentId_fkey" FOREIGN KEY ("parentId") REFERENCES "folders" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- AlterTable Note - Add folderId column
+ALTER TABLE "Note" ADD COLUMN "folderId" TEXT;
+
+-- CreateIndex
+CREATE INDEX "folders_userId_idx" ON "folders"("userId");
+CREATE INDEX "folders_parentId_idx" ON "folders"("parentId");
+
+