Fix simple unused arguments with underscore prefix

- Prefix unused arguments with underscore to indicate intentional non-use
- Signal handler frame parameter, method args/kwargs, debug config port

Author: prassanna-ravishankar

src/agentex/lib/cli/debug/debug_config.py

@@ -61,7 +61,7 @@ def create_acp_debug(
     def create_both_debug(
         cls, 
         worker_port: int = 5678,
-        acp_port: int = 5679,
+        _acp_port: int = 5679,
         wait_for_attach: bool = False,
         auto_port: bool = True
     ) -> "DebugConfig":

src/agentex/lib/cli/handlers/agent_handlers.py

@@ -135,7 +135,7 @@ def run_agent(manifest_path: str, debug_config: "DebugConfig | None" = None):
     # Flag to track if we're shutting down
     shutting_down = False
 
-    def signal_handler(signum, frame):
+    def signal_handler(signum, _frame):
         """Handle signals by raising KeyboardInterrupt"""
         nonlocal shutting_down
         if shutting_down:

src/agentex/lib/sdk/fastacp/tests/test_base_acp_server.py

@@ -141,7 +141,6 @@ async def mock_handler(params):
         data = response.json()
         assert data["jsonrpc"] == "2.0"
         assert data["id"] == "test-1"
-        print("DATA", data)
         # Should return immediate acknowledgment
         assert data["result"]["status"] == "processing"
 

src/agentex/lib/utils/completions.py

@@ -12,7 +12,7 @@
 
 
 @singledispatch
-def _concat_chunks(a: None, b: Any):
+def _concat_chunks(_a: None, b: Any):
     return b
 
 

src/agentex/lib/utils/model_utils.py

@@ -27,7 +27,7 @@ def from_yaml(cls: type[T], file_path: str) -> T:
     def to_json(self, *args, **kwargs) -> str:
         return self.model_dump_json(*args, **kwargs)
 
-    def to_dict(self, *args, **kwargs) -> dict[str, Any]:
+    def to_dict(self, *_args, **_kwargs) -> dict[str, Any]:
         return recursive_model_dump(self)