inspect (#736)

* inspect

* fixes

* improvements

* fixes

* fixes

* improvements

* fix null cdp url

* fix rust reader loop

* improvements

* improvements

* fixes

cli/src/native/cdp/client.rs

@@ -12,6 +12,14 @@ use super::types::{CdpCommand, CdpEvent, CdpMessage};
 
 type PendingMap = Arc<Mutex<HashMap<u64, oneshot::Sender<CdpMessage>>>>;
 
+/// Raw incoming CDP message (text) broadcast to all subscribers.
+/// Used by the inspect proxy to forward responses and events to DevTools.
+#[derive(Debug, Clone)]
+pub struct RawCdpMessage {
+    pub text: String,
+    pub session_id: Option<String>,
+}
+
 pub struct CdpClient {
     ws_tx: Arc<
         Mutex<
@@ -26,6 +34,7 @@ pub struct CdpClient {
     next_id: AtomicU64,
     pending: PendingMap,
     event_tx: broadcast::Sender<CdpEvent>,
+    raw_tx: broadcast::Sender<RawCdpMessage>,
     _reader_handle: tokio::task::JoinHandle<()>,
 }
 
@@ -40,9 +49,11 @@ impl CdpClient {
 
         let pending: PendingMap = Arc::new(Mutex::new(HashMap::new()));
         let (event_tx, _) = broadcast::channel(256);
+        let (raw_tx, _) = broadcast::channel(512);
 
         let pending_clone = pending.clone();
         let event_tx_clone = event_tx.clone();
+        let raw_tx_clone = raw_tx.clone();
 
         let reader_handle = tokio::spawn(async move {
             while let Some(msg) = ws_rx.next().await {
@@ -53,8 +64,22 @@ impl CdpClient {
                     Err(_) => break,
                 };
 
+                // Broadcast raw message for inspect proxy subscribers before typed parse,
+                // so messages with negative IDs (used by the inspect proxy) are still delivered.
+                if raw_tx_clone.receiver_count() > 0 {
+                    let session_id = serde_json::from_str::<serde_json::Value>(&msg)
+                        .ok()
+                        .and_then(|v| v.get("sessionId")?.as_str().map(String::from));
+                    let _ = raw_tx_clone.send(RawCdpMessage {
+                        text: msg.clone(),
+                        session_id,
+                    });
+                }
+
                 let parsed: CdpMessage = match serde_json::from_str(&msg) {
                     Ok(m) => m,
+                    // Expected for inspect proxy messages with negative IDs
+                    // (CdpMessage.id is u64); handled via raw broadcast above.
                     Err(_) => continue,
                 };
 
@@ -81,6 +106,7 @@ impl CdpClient {
             next_id: AtomicU64::new(1),
             pending,
             event_tx,
+            raw_tx,
             _reader_handle: reader_handle,
         })
     }
@@ -138,6 +164,21 @@ impl CdpClient {
         self.event_tx.subscribe()
     }
 
+    /// Subscribe to all raw incoming CDP messages (responses + events).
+    /// Used by the inspect proxy to forward traffic to the DevTools frontend.
+    pub fn subscribe_raw(&self) -> broadcast::Receiver<RawCdpMessage> {
+        self.raw_tx.subscribe()
+    }
+
+    /// Create a lightweight handle for the inspect WebSocket proxy.
+    /// Contains only what's needed to forward messages bidirectionally.
+    pub fn inspect_handle(&self) -> InspectProxyHandle {
+        InspectProxyHandle {
+            ws_tx: self.ws_tx.clone(),
+            raw_tx: self.raw_tx.clone(),
+        }
+    }
+
     pub async fn send_command_typed<P: serde::Serialize, R: serde::de::DeserializeOwned>(
         &self,
         method: &str,
@@ -160,4 +201,46 @@ impl CdpClient {
     ) -> Result<Value, String> {
         self.send_command(method, None, session_id).await
     }
+
+    /// Send raw JSON through the WebSocket without tracking a response.
+    /// Used by the inspect proxy to forward DevTools frontend messages.
+    pub async fn send_raw(&self, json: String) -> Result<(), String> {
+        let mut ws_tx = self.ws_tx.lock().await;
+        ws_tx
+            .send(Message::Text(json))
+            .await
+            .map_err(|e| format!("Failed to send raw CDP message: {}", e))
+    }
+}
+
+type WsTx = Arc<
+    Mutex<
+        futures_util::stream::SplitSink<
+            tokio_tungstenite::WebSocketStream<
+                tokio_tungstenite::MaybeTlsStream<tokio::net::TcpStream>,
+            >,
+            Message,
+        >,
+    >,
+>;
+
+/// Lightweight handle for the inspect WebSocket proxy, holding only
+/// the cloneable parts of CdpClient needed for bidirectional message forwarding.
+pub struct InspectProxyHandle {
+    ws_tx: WsTx,
+    raw_tx: broadcast::Sender<RawCdpMessage>,
+}
+
+impl InspectProxyHandle {
+    pub async fn send_raw(&self, json: String) -> Result<(), String> {
+        let mut ws_tx = self.ws_tx.lock().await;
+        ws_tx
+            .send(Message::Text(json))
+            .await
+            .map_err(|e| format!("Failed to send raw CDP message: {}", e))
+    }
+
+    pub fn subscribe_raw(&self) -> broadcast::Receiver<RawCdpMessage> {
+        self.raw_tx.subscribe()
+    }
 }