feat: implement dynamic launcher shortcuts, launch intent routing, dynamic theme color overrides, and initial profiles

backend/src/main/kotlin/meatbag/backend/Application.kt

@@ -109,6 +109,22 @@ fun Application.module() {
             deviceRegistry.register(device)
             println("[WebSocket] Device registered: ID=$deviceId, Type=$deviceType")
 
+            // Send requested profile layout immediately if specified
+            val profileId = call.parameters["profileId"]
+            if (profileId != null) {
+                val profile = profileStore.getProfile(profileId)
+                if (profile != null) {
+                    val payload = WebSocketPayload(
+                        attentionTier = AttentionTier.SILENT_HAPTIC,
+                        uiPrimitive = profile.layout
+                    )
+                    send(Frame.Text(SDUIJson.json.encodeToString(payload)))
+                    println("[WebSocket] Pushed initial profile layout '$profileId' to device $deviceId")
+                } else {
+                    println("[WebSocket] Requested profile '$profileId' was not found in ProfileStore")
+                }
+            }
+
             // Send pairing success indicator screen only if we actually paired in this session
             if (showedPairingScreen) {
                 val successMessage = Message(