diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..2688725
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,5 @@
+# Keep snapshot test fixtures LF-only across all platforms so that
+# Windows checkouts with core.autocrlf=true don't convert them to CRLF
+# (which would mismatch the actual JSON serialization output during
+# snapshot comparison).
+src/control/snapshots/*.json text eol=lf
diff --git a/src/control/queries.rs b/src/control/queries.rs
index 8e4fcdc..7547192 100644
--- a/src/control/queries.rs
+++ b/src/control/queries.rs
@@ -1272,6 +1272,9 @@ mod tests {
         }
         let expected = std::fs::read_to_string(&path)
             .unwrap_or_else(|e| panic!("failed to read snapshot {}: {e}", path.display()));
+        // Normalize line endings: Windows checkouts with core.autocrlf=true
+        // convert fixture files to CRLF; the in-memory JSON output is LF.
+        let expected = expected.replace("\r\n", "\n");
         // Tolerate trailing newline differences from editors.
         if expected.trim_end() != actual.trim_end() {
             panic!(