From 812d50d787977180873956621aaed85494ea54f9 Mon Sep 17 00:00:00 2001
From: xub5210-droid <xub5210@gmail.com>
Date: Fri, 12 Jun 2026 00:03:53 +0800
Subject: [PATCH] fix(filter): preserve inline comment markers

---
 src/core/filter.rs | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/core/filter.rs b/src/core/filter.rs
index 90f89ade65..720c8ee8f5 100644
--- a/src/core/filter.rs
+++ b/src/core/filter.rs
@@ -173,7 +173,7 @@ impl FilterStrategy for MinimalFilter {
             // Handle block comments
             if let (Some(start), Some(end)) = (patterns.block_start, patterns.block_end) {
                 if !in_docstring
-                    && trimmed.contains(start)
+                    && trimmed.starts_with(start)
                     && !trimmed.starts_with(patterns.doc_block_start.unwrap_or("###"))
                 {
                     in_block_comment = true;
@@ -470,6 +470,25 @@ fn main() {
         assert!(result.contains("fn main()"));
     }
 
+    #[test]
+    fn test_minimal_filter_preserves_comment_markers_in_code() {
+        let code = r#"
+const API: &str = "http://example.com/v1"; // endpoint
+let pattern = "/* not a comment */";
+let value = 1; /* trailing comment */
+/* single-line block comment */
+fn main() {}
+"#;
+        let filter = MinimalFilter;
+        let result = filter.filter(code, &Language::Rust);
+
+        assert!(result.contains("http://example.com/v1"));
+        assert!(result.contains("\"/* not a comment */\""));
+        assert!(result.contains("let value = 1;"));
+        assert!(!result.contains("single-line block comment"));
+        assert!(result.contains("fn main()"));
+    }
+
     // --- truncation accuracy ---
 
     #[test]