fix: add wasm plugin to campaign-planner vite build entry

The folk-campaign-planner imports SocialsLocalFirstClient which pulls
in Automerge WASM — needs vite-plugin-wasm and alias like other
local-first module builds.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

vite.config.ts

@@ -635,11 +635,18 @@ export default defineConfig({
 						resolve(__dirname, "dist/modules/rsocials/socials.css"),
 					);
 
-					// Build campaign planner component
+					// Build campaign planner component (with Automerge WASM support via local-first-client)
 					await build({
 						configFile: false,
 						root: resolve(__dirname, "modules/rsocials/components"),
+						plugins: [wasm()],
+						resolve: {
+							alias: {
+								'@automerge/automerge': resolve(__dirname, 'node_modules/@automerge/automerge'),
+							},
+						},
 						build: {
+							target: "esnext",
 							emptyOutDir: false,
 							outDir: resolve(__dirname, "dist/modules/rsocials"),
 							lib: {