[router][tool call] Clean up redundant `detect_format` and `has_tool_markers` (#11270)

sgl-router/tests/tool_parser_llama.rs

@@ -116,10 +116,10 @@ async fn test_llama_empty_arguments() {
 async fn test_llama_format_detection() {
     let parser = LlamaParser::new();
 
-    assert!(parser.detect_format(r#"<|python_tag|>{"name": "test"}"#));
-    assert!(parser.detect_format(r#"{"name": "test", "parameters": {}}"#));
-    assert!(!parser.detect_format("plain text"));
-    assert!(!parser.detect_format(r#"{"key": "value"}"#)); // No name field
+    assert!(parser.has_tool_markers(r#"<|python_tag|>{"name": "test"}"#));
+    assert!(parser.has_tool_markers(r#"{"name": "test", "parameters": {}}"#));
+    assert!(!parser.has_tool_markers("plain text"));
+    assert!(!parser.has_tool_markers(r#"{"key": "value"}"#)); // No name field
 }
 
 #[tokio::test]

sgl-router/tests/tool_parser_mistral.rs

@@ -96,10 +96,10 @@ async fn test_mistral_with_brackets_in_strings() {
 async fn test_mistral_format_detection() {
     let parser = MistralParser::new();
 
-    assert!(parser.detect_format("[TOOL_CALLS] ["));
-    assert!(parser.detect_format("Some text [TOOL_CALLS] ["));
-    assert!(!parser.detect_format("Just plain text"));
-    assert!(!parser.detect_format("[{\"name\": \"test\"}]")); // JSON array without TOOL_CALLS
+    assert!(parser.has_tool_markers("[TOOL_CALLS] ["));
+    assert!(parser.has_tool_markers("Some text [TOOL_CALLS] ["));
+    assert!(!parser.has_tool_markers("Just plain text"));
+    assert!(!parser.has_tool_markers("[{\"name\": \"test\"}]")); // JSON array without TOOL_CALLS
 }
 
 #[tokio::test]

sgl-router/tests/tool_parser_pythonic.rs

@@ -125,10 +125,10 @@ async fn test_pythonic_empty_arguments() {
 async fn test_pythonic_format_detection() {
     let parser = PythonicParser::new();
 
-    assert!(!parser.detect_format("[function_name(")); // Incomplete
-    assert!(parser.detect_format("[get_weather(city=\"NYC\")]"));
-    assert!(!parser.detect_format("Just plain text"));
-    assert!(!parser.detect_format("{\"name\": \"test\"}")); // JSON
+    assert!(!parser.has_tool_markers("[function_name(")); // Incomplete
+    assert!(parser.has_tool_markers("[get_weather(city=\"NYC\")]"));
+    assert!(!parser.has_tool_markers("Just plain text"));
+    assert!(!parser.has_tool_markers("{\"name\": \"test\"}")); // JSON
 }
 
 #[tokio::test]

sgl-router/tests/tool_parser_qwen.rs

@@ -120,10 +120,10 @@ async fn test_qwen_with_newlines_in_strings() {
 async fn test_qwen_format_detection() {
     let parser = QwenParser::new();
 
-    assert!(parser.detect_format("<tool_call>"));
-    assert!(parser.detect_format("Some text <tool_call>\n{"));
-    assert!(!parser.detect_format("Just plain text"));
-    assert!(!parser.detect_format("{\"name\": \"test\"}")); // Plain JSON
+    assert!(parser.has_tool_markers("<tool_call>"));
+    assert!(parser.has_tool_markers("Some text <tool_call>\n{"));
+    assert!(!parser.has_tool_markers("Just plain text"));
+    assert!(!parser.has_tool_markers("{\"name\": \"test\"}")); // Plain JSON
 }
 
 #[tokio::test]

sgl-router/tests/tool_parser_step3.rs

@@ -111,13 +111,13 @@ fn test_step3_format_detection() {
     let parser = Step3Parser::new();
 
     // Should detect Step3 format
-    assert!(parser.detect_format("<｜tool_calls_begin｜>"));
-    assert!(parser.detect_format("text with <｜tool_calls_begin｜> marker"));
+    assert!(parser.has_tool_markers("<｜tool_calls_begin｜>"));
+    assert!(parser.has_tool_markers("text with <｜tool_calls_begin｜> marker"));
 
     // Should not detect other formats
-    assert!(!parser.detect_format("[TOOL_CALLS]"));
-    assert!(!parser.detect_format("<tool_call>"));
-    assert!(!parser.detect_format("plain text"));
+    assert!(!parser.has_tool_markers("[TOOL_CALLS]"));
+    assert!(!parser.has_tool_markers("<tool_call>"));
+    assert!(!parser.has_tool_markers("plain text"));
 }
 
 #[tokio::test]