chore: fix clippy warnings, add embedding/omni_patch, update telemetry, and ignore temp files

nvim-core/src/lib.rs

@@ -90,12 +90,20 @@ async fn get_socket_path() -> Result<String, String> {
     if let Ok(content) = tokio::fs::read_to_string(&path).await {
         let p = content.trim().to_string();
         if !p.is_empty() {
-            if p.starts_with(r"\\.\pipe\") {
-                return Ok(p);
+            let candidate = if p.starts_with(r"\\.\pipe\") {
+                p
             } else if p.starts_with("nvim.") {
-                return Ok(format!(r"\\.\pipe\{p}"));
+                format!(r"\\.\pipe\{p}")
+            } else {
+                p
+            };
+            
+            if is_interactive(&candidate).await {
+                return Ok(candidate);
+            } else {
+                tracing::warn!("Stale active_nvim.txt detected on Windows. Deleting.");
+                let _ = tokio::fs::remove_file(&path).await;
             }
-            return Ok(p);
         }
     }
 
@@ -122,7 +130,12 @@ async fn get_socket_path() -> Result<String, String> {
         if let Ok(content) = tokio::fs::read_to_string(&path).await {
             let p = content.trim().to_string();
             if !p.is_empty() {
-                return Ok(p);
+                if is_interactive(&p).await {
+                    return Ok(p);
+                } else {
+                    tracing::warn!("Stale active_nvim.txt detected on Unix. Deleting.");
+                    let _ = tokio::fs::remove_file(&path).await;
+                }
             }
         }
     }