feat: add telegram business connect onboarding and status sync

frontend/server/api/omni/telegram/business/connect/start.post.ts

@@ -0,0 +1,51 @@
+import { getAuthContext } from "../../../../../utils/auth";
+import { prisma } from "../../../../../utils/prisma";
+import { buildTelegramStartUrl, issueLinkToken } from "../../../../../utils/telegramBusinessConnect";
+
+export default defineEventHandler(async (event) => {
+  const auth = await getAuthContext(event);
+  const { token, payload } = issueLinkToken({ teamId: auth.teamId, userId: auth.userId });
+
+  const pendingId = `pending:${payload.nonce}`;
+  await prisma.telegramBusinessConnection.upsert({
+    where: {
+      teamId_businessConnectionId: {
+        teamId: auth.teamId,
+        businessConnectionId: pendingId,
+      },
+    },
+    create: {
+      teamId: auth.teamId,
+      businessConnectionId: pendingId,
+      rawJson: {
+        state: "pending_link",
+        link: {
+          nonce: payload.nonce,
+          exp: payload.exp,
+          createdAt: new Date().toISOString(),
+          createdByUserId: auth.userId,
+        },
+      },
+    },
+    update: {
+      isEnabled: null,
+      canReply: null,
+      rawJson: {
+        state: "pending_link",
+        link: {
+          nonce: payload.nonce,
+          exp: payload.exp,
+          createdAt: new Date().toISOString(),
+          createdByUserId: auth.userId,
+        },
+      },
+    },
+  });
+
+  return {
+    ok: true,
+    status: "pending_link",
+    connectUrl: buildTelegramStartUrl(token),
+    expiresAt: new Date(payload.exp * 1000).toISOString(),
+  };
+});