feat: add recipe translation tool with AI translation and settings management

- Add Word document parsing and translation export
- Add database configuration management
- Add AI/LLM translation configuration
- Add translation vocabulary management
- Add export settings (colors, page orientation, headers)
- Separate database and AI configurations
- Add debounced search to prevent database overload

app/api/words/[id]/route.ts

@@ -0,0 +1,65 @@
+import { NextRequest, NextResponse } from "next/server";
+import pool from "@/lib/database";
+
+// 更新词组
+export async function PATCH(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const { id } = await params;
+    const body = await request.json();
+    const { word, english } = body;
+
+    if (!word || !english) {
+      return NextResponse.json(
+        { error: "中文和英文翻译不能为空" },
+        { status: 400 }
+      );
+    }
+
+    await pool.execute("UPDATE words SET word = ?, english = ? WHERE id = ?", [
+      word.trim(),
+      english.trim(),
+      parseInt(id),
+    ]);
+
+    return NextResponse.json({
+      success: true,
+      data: {
+        id: parseInt(id),
+        word: word.trim(),
+        english: english.trim(),
+      },
+    });
+  } catch (error) {
+    console.error("Database error:", error);
+    return NextResponse.json(
+      { error: "更新失败", details: String(error) },
+      { status: 500 }
+    );
+  }
+}
+
+// 删除词组
+export async function DELETE(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const { id } = await params;
+
+    await pool.execute("DELETE FROM words WHERE id = ?", [parseInt(id)]);
+
+    return NextResponse.json({
+      success: true,
+      message: "删除成功",
+    });
+  } catch (error) {
+    console.error("Database error:", error);
+    return NextResponse.json(
+      { error: "删除失败", details: String(error) },
+      { status: 500 }
+    );
+  }
+}