refactor: remove unused TOOL_TRIGGERS dead code

- Remove unused TOOL_TRIGGERS dictionary from config.py
- Remove associated test_tool_triggers test case
- TOOL_TRIGGERS was not used anywhere in the codebase
- MCP automatically discovers tools through descriptions in list_tools handler
- All tests pass (64 tests), ruff clean, black formatted

tests/test_config.py

@@ -8,7 +8,6 @@ from config import (
     TEMPERATURE_ANALYTICAL,
     TEMPERATURE_BALANCED,
     TEMPERATURE_CREATIVE,
-    TOOL_TRIGGERS,
     __author__,
     __updated__,
     __version__,
@@ -40,16 +39,3 @@ class TestConfig:
         assert TEMPERATURE_ANALYTICAL == 0.2
         assert TEMPERATURE_BALANCED == 0.5
         assert TEMPERATURE_CREATIVE == 0.7
-
-    def test_tool_triggers(self):
-        """Test tool trigger phrases"""
-        assert "think_deeper" in TOOL_TRIGGERS
-        assert "review_code" in TOOL_TRIGGERS
-        assert "debug_issue" in TOOL_TRIGGERS
-        assert "analyze" in TOOL_TRIGGERS
-
-        # Check some specific triggers
-        assert "ultrathink" in TOOL_TRIGGERS["think_deeper"]
-        assert "extended thinking" in TOOL_TRIGGERS["think_deeper"]
-        assert "find bugs" in TOOL_TRIGGERS["review_code"]
-        assert "root cause" in TOOL_TRIGGERS["debug_issue"]