fix(rnotes): add /transcripts route for sub-tab navigation

The Transcripts sub-tab pill in the rNotes header linked to
/{space}/rnotes/transcripts but no route existed. Add the route
serving the voice recorder/transcription app.

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

modules/rnotes/mod.ts

@@ -1612,6 +1612,21 @@ routes.get("/voice", (c) => {
 	}));
 });
 
+// GET /transcripts — Transcription app (alias for voice recorder)
+routes.get("/transcripts", (c) => {
+	const space = c.req.param("space") || "demo";
+	return c.html(renderShell({
+		title: `${space} — Transcripts | rSpace`,
+		moduleId: "rnotes",
+		spaceSlug: space,
+		modules: getModuleInfoList(),
+		theme: "dark",
+		body: `<folk-voice-recorder space="${space}"></folk-voice-recorder>`,
+		scripts: `<script type="module" src="/modules/rnotes/folk-voice-recorder.js?v=3"></script>`,
+		styles: `<link rel="stylesheet" href="/modules/rnotes/notes.css?v=3">`,
+	}));
+});
+
 routes.get("/", (c) => {
 	const space = c.req.param("space") || "demo";
 	const dataSpace = c.get("effectiveSpace") || space;