fix: prefer .real binary PID and fallback to ss for port discovery

src/backend.rs

@@ -343,14 +343,29 @@ impl Backend {
 // ─── Discovery helpers ───────────────────────────────────────────────────────
 
 fn discover() -> Result<BackendInner, String> {
+    // Try to find the real LS binary first (when MITM wrapper is installed,
+    // the wrapper is a shell script named language_server_linux_x64, while
+    // the real binary is language_server_linux_x64.real)
     let pid_output = Command::new("sh")
-        .args(["-c", "pgrep -f language_server_linux | head -1"])
+        .args(["-c", "pgrep -f 'language_server_linux_x64\\.real' | head -1"])
         .output()
         .map_err(|e| format!("pgrep failed: {e}"))?;
 
-    let pid = String::from_utf8_lossy(&pid_output.stdout)
+    let mut pid = String::from_utf8_lossy(&pid_output.stdout)
         .trim()
         .to_string();
+
+    // Fallback: find any language_server_linux process
+    if pid.is_empty() {
+        let pid_output = Command::new("sh")
+            .args(["-c", "pgrep -f language_server_linux | head -1"])
+            .output()
+            .map_err(|e| format!("pgrep failed: {e}"))?;
+        pid = String::from_utf8_lossy(&pid_output.stdout)
+            .trim()
+            .to_string();
+    }
+
     if pid.is_empty() {
         return Err("Language server not running".to_string());
     }
@@ -408,6 +423,31 @@ fn discover() -> Result<BackendInner, String> {
         }
     }
 
+    if https_port.is_empty() {
+        // Fallback: find the LS HTTPS port via `ss` (when log file hasn't caught up)
+        if let Ok(output) = std::process::Command::new("ss")
+            .args(["-tlnp"])
+            .output()
+        {
+            let ss_out = String::from_utf8_lossy(&output.stdout);
+            // Find listening ports for this PID — typically the first is HTTPS
+            for line in ss_out.lines() {
+                if line.contains(&format!("pid={pid},")) {
+                    // Extract port from "127.0.0.1:PORT"
+                    if let Some(addr) = line.split_whitespace().nth(3) {
+                        if let Some(port_str) = addr.rsplit(':').next() {
+                            if let Ok(p) = port_str.parse::<u16>() {
+                                info!(port = p, "Discovered LS HTTPS port via ss");
+                                https_port = p.to_string();
+                                break;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
     if https_port.is_empty() {
         warn!("Could not find HTTPS port in logs, defaulting to 3100");
         https_port = "3100".to_string();