fix: block development writes to Discord channels

src/sharing/routes.ts

@@ -99,6 +99,7 @@ export function createSharingRoutes(db: AppDatabase, auth: ReturnType<typeof cre
     return c.json({ connected: true, name: destination.name, channelUrl: destination.channelUrl });
   });
   app.post("/discord/send", async c => {
+    if (config.writesEnabled === false) return c.json({ error: "Discord channel writes are disabled in development. Preview and download are still available." }, 403);
     const userId = c.get("user").id;
     if (config.allowedUserIds?.length && !config.allowedUserIds.includes(c.get("user").discordId)) return c.json({ error: "Discord sharing is limited to approved community members." }, 403);
     if (!configured) throw new ApiError(422, "Discord sharing has not been configured on this server.");