fix: revert stream timeout that broke message processing

src/core/bot/mod.rs

@@ -859,17 +859,7 @@ impl BotOrchestrator {
             }
         }
 
-        let stream_timeout = tokio::time::Duration::from_secs(60);
+        while let Some(chunk) = stream_rx.recv().await {
-'stream_loop: loop {
-    let chunk_result = tokio::time::timeout(stream_timeout, stream_rx.recv()).await;
-    let chunk = match chunk_result {
-        Ok(Some(c)) => c,
-        Ok(None) => break 'stream_loop,
-        Err(_) => {
-            error!("LLM stream timeout after {}s - aborting response", stream_timeout.as_secs());
-            break 'stream_loop
-        }
-    };
 
             // ===== GENERIC TOOL EXECUTION =====
             // Add chunk to tool_call_buffer and try to parse