feat(frontend): Server Actions for thought, social, and profile mutations

thoughts-frontend/app/actions/thoughts.ts

@@ -0,0 +1,30 @@
+"use server";
+
+import { revalidateTag } from "next/cache";
+import { cookies } from "next/headers";
+import {
+  createThought as apiCreateThought,
+  deleteThought as apiDeleteThought,
+  CreateThoughtSchema,
+} from "@/lib/api";
+import { z } from "zod";
+
+async function getToken(): Promise<string> {
+  const token = (await cookies()).get("auth_token")?.value;
+  if (!token) throw new Error("Not authenticated");
+  return token;
+}
+
+export async function createThought(data: z.infer<typeof CreateThoughtSchema>) {
+  const token = await getToken();
+  const thought = await apiCreateThought(data, token);
+  revalidateTag("feed");
+  return thought;
+}
+
+export async function deleteThought(thoughtId: string) {
+  const token = await getToken();
+  await apiDeleteThought(thoughtId, token);
+  revalidateTag("feed");
+  revalidateTag(`thought:${thoughtId}`);
+}