fix(fd): exclude lock files from workspace file indexing

crates/forge_services/src/fd.rs

@@ -30,6 +30,31 @@ pub(crate) fn has_allowed_extension(path: &Path) -> bool {
     }
 }
 
+/// Returns `true` if the file at `path` should be excluded based on its name,
+/// regardless of extension. This covers lock files and other generated
+/// dependency manifest files that are not useful to index.
+fn is_ignored_by_name(path: &Path) -> bool {
+    let Some(name) = path.file_name().and_then(|n| n.to_str()) else {
+        return false;
+    };
+    let name_lower = name.to_lowercase();
+
+    // Lock files: *-lock.json, *.lock, *.lockb, *.lock.json, etc.
+    if name_lower.ends_with(".lock")
+        || name_lower.ends_with(".lockb")
+        || name_lower.ends_with("-lock.json")
+        || name_lower.ends_with("-lock.yaml")
+        || name_lower.ends_with("-lock.yml")
+        || name_lower.ends_with(".lock.json")
+        || name_lower.ends_with(".lockfile")
+        || name == "Package.resolved"
+    {
+        return true;
+    }
+
+    false
+}
+
 /// Returns `true` if `path` is a symlink (does not follow the link).
 fn is_symlink(path: &Path) -> bool {
     path.symlink_metadata()
@@ -53,6 +78,7 @@ pub(crate) fn filter_and_resolve(
         .into_iter()
         .map(|p| dir_path.join(&p))
         .filter(|p| !is_symlink(p))
+        .filter(|p| !is_ignored_by_name(p))
         .filter(|p| has_allowed_extension(p))
         .collect();