1 files changed, 13 insertions, 13 deletions
diff --git a/src/lsp/lsp_zls.zig b/src/lsp/lsp_zls.zig
index 76c5594c..bf220c47 100644
--- a/src/lsp/lsp_zls.zig
+++ b/src/lsp/lsp_zls.zig
@@ -1123,9 +1123,9 @@ fn containsIgnoreCase(hay: []const u8, needle: []const u8) bool {
 /// milliseconds, on every keypress, and the store's own workspace iteration
 /// has the same restriction (it can only see handles that were loaded).
 ///
-/// `new_name` non-null makes it a rename PREVIEW: the same rows, annotated
-/// with the replacement. The seam returns rows, not edits, so `SPC r` shows
-/// what would change and changes nothing — an honest half of rename.
+/// `new_name` non-null makes it a rename EDIT: the same resolved tokens become
+/// half-open byte ranges. The core owns the replacement text and applies every
+/// range in one undo transaction after checking the source revision.
 fn references(
     arena: std.mem.Allocator,
     analyser: *Analyser,
@@ -1149,10 +1149,10 @@ fn references(
     const want = offsets.identifierTokenToNameSlice(decl_tree, name_tok);
     if (want.len == 0) return;
 
-    const lines: Lines = try .build(arena, tree.source);
-    // every row names THIS file (the walk is this file's tokens), so the path
-    // is spelled once rather than per hit
-    const path = lsp.rel(base, handle.uri.toFsPath(arena) catch return);
+    // Rename consumes exact byte ranges. Reference rows need the source line
+    // and displayed path; avoid building either for the mutating response.
+    const lines: ?Lines = if (new_name == null) try .build(arena, tree.source) else null;
+    const path = if (new_name == null) lsp.rel(base, handle.uri.toFsPath(arena) catch return) else "";
     var n: usize = 0;
     for (0..tree.tokens.len) |i| {
         if (n >= max_rows) return;
@@ -1163,12 +1163,12 @@ fn references(
         const d = (declAt(arena, analyser, handle, at) catch continue) orelse continue;
         if (!d.eql(target)) continue;
         n += 1;
-        const r = offsets.tokenToRange(tree, tok, enc);
-        const text = if (new_name) |nn|
-            try std.fmt.allocPrint(arena, "{s} -> {s}   {s}", .{ want, nn, std.mem.trim(u8, lines.line(r.start.line), " \t") })
-        else
-            lines.line(r.start.line);
-        lsp.spanRow(out, path, r.start.line, r.start.character, r.end.line, r.end.character, text);
+        if (new_name != null) {
+            lsp.edit(out, at, at + want.len);
+        } else {
+            const r = offsets.tokenToRange(tree, tok, enc);
+            lsp.spanRow(out, path, r.start.line, r.start.character, r.end.line, r.end.character, lines.?.line(r.start.line));
+        }
     }
 }