diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa0812663..4782b5578 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@ Only write entries that are worth mentioning to users.
 
 ## Unreleased
 
+- Tools: Shell tool headlines now keep the full command string instead of applying the generic 50-character middle truncation, making long paths and arguments visible when reviewing repeated or failed commands
+
 ## 1.47.0 (2026-06-05)
 
 - Shell: Guide users to the new standalone Kimi Code — adds a `/upgrade` command that installs it (migrating your config & sessions automatically), a welcome-screen nudge, and a once-per-day tip shown on exit
diff --git a/src/kimi_cli/tools/__init__.py b/src/kimi_cli/tools/__init__.py
index 371a9d498..714733703 100644
--- a/src/kimi_cli/tools/__init__.py
+++ b/src/kimi_cli/tools/__init__.py
@@ -94,7 +94,8 @@ def extract_key_argument(json_content: str | streamingjson.Lexer, tool_name: str
                 key_argument = "".join(content)
             else:
                 key_argument = json_content
-    key_argument = shorten_middle(key_argument, width=50)
+    if tool_name != "Shell":
+        key_argument = shorten_middle(key_argument, width=50)
     return key_argument
 
 
diff --git a/tests/tools/test_extract_key_argument.py b/tests/tools/test_extract_key_argument.py
index 8f726d5fd..fc74938b1 100644
--- a/tests/tools/test_extract_key_argument.py
+++ b/tests/tools/test_extract_key_argument.py
@@ -15,11 +15,28 @@ def test_shell(self):
         result = extract_key_argument('{"command": "ls -la"}', "Shell")
         assert result == "ls -la"
 
+    def test_shell_long_command_keeps_path_and_arguments(self):
+        command = (
+            "python scripts/really/deeply/nested/path/for/reproducing/issue_2142.py "
+            "--input /tmp/moonshot/kimi-cli/very/long/source/file.txt "
+            "--output /tmp/moonshot/kimi-cli/very/long/result.json"
+        )
+        result = extract_key_argument(f'{{"command": "{command}"}}', "Shell")
+        assert result == command
+        assert "..." not in result
+
     def test_readfile(self):
         result = extract_key_argument('{"path": "foo/bar.py"}', "ReadFile")
         assert result is not None
         assert "foo/bar.py" in result
 
+    def test_readfile_long_path_still_shortens(self):
+        long_path = "/workspace/" + "/".join(f"directory_{i:02d}" for i in range(12)) + "/target.py"
+        result = extract_key_argument(f'{{"path": "{long_path}"}}', "ReadFile")
+        assert result is not None
+        assert "..." in result
+        assert len(result) <= 53
+
     def test_grep(self):
         result = extract_key_argument('{"pattern": "hello"}', "Grep")
         assert result == "hello"