feat(sharing): add email and message sharing functionality

app/api/emails/[id]/share/[shareId]/route.ts

@@ -0,0 +1,46 @@
+import { createDb } from "@/lib/db"
+import { emailShares, emails } from "@/lib/schema"
+import { eq, and } from "drizzle-orm"
+import { NextResponse } from "next/server"
+import { getUserId } from "@/lib/apiKey"
+
+export const runtime = "edge"
+
+// 删除分享链接
+export async function DELETE(
+  request: Request,
+  { params }: { params: Promise<{ id: string; shareId: string }> }
+) {
+  const userId = await getUserId()
+  if (!userId) {
+    return NextResponse.json({ error: "Unauthorized" }, { status: 401 })
+  }
+
+  const { id: emailId, shareId } = await params
+  const db = createDb()
+
+  try {
+    // 验证邮箱所有权
+    const email = await db.query.emails.findFirst({
+      where: and(eq(emails.id, emailId), eq(emails.userId, userId))
+    })
+
+    if (!email) {
+      return NextResponse.json({ error: "Email not found" }, { status: 404 })
+    }
+
+    // 删除分享记录
+    await db.delete(emailShares).where(
+      and(eq(emailShares.id, shareId), eq(emailShares.emailId, emailId))
+    )
+
+    return NextResponse.json({ success: true })
+  } catch (error) {
+    console.error("Failed to delete email share:", error)
+    return NextResponse.json(
+      { error: "Failed to delete share" },
+      { status: 500 }
+    )
+  }
+}
+