fix(rnotes): remove premature seed from onInit (runs before loadAllDocs)

seedDemoIfEmpty in onInit ran before docs were loaded from disk, causing
duplicate notebooks. Seeding is already handled post-loadAllDocs via
the seedTemplate hook.

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

modules/rnotes/mod.ts

@@ -1037,10 +1037,7 @@ export const notesModule: RSpaceModule = {
 	seedTemplate: seedDemoIfEmpty,
 	async onInit({ syncServer }) {
 		_syncServer = syncServer;
-
-		// Seed demo notebooks if the "demo" space is empty
-		seedDemoIfEmpty("demo");
-
+		// Seeding happens after loadAllDocs via seedTemplate, not here
 		console.log("[Notes] onInit complete (Automerge-only)");
 	},