refactor: polish code with code review.

Change-Id: I228fc9153b9066f096ae2a75906ca57f7f05dd91
Co-developed-by: Cursor <[email protected]>

Author: ralf0131

instrumentation-loongsuite/loongsuite-instrumentation-google-adk/pyproject.toml

@@ -8,7 +8,7 @@ dynamic = ["version"]
 description = "OpenTelemetry instrumentation for Google Agent Development Kit (ADK)"
 readme = "README.md"
 license = "Apache-2.0"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 authors = [
     { name = "LoongSuite Python Agent Authors" },
 ]
@@ -18,19 +18,17 @@ classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
 
 dependencies = [
     "opentelemetry-api ~= 1.27",
-    "opentelemetry-sdk ~= 1.27",
+    "opentelemetry-instrumentation ~= 0.48b0",
     "opentelemetry-semantic-conventions ~= 0.48b0",
-    "wrapt >= 1.0.0, < 2.0.0",
-    "google-adk >= 0.1.0",
 ]
 
 [project.optional-dependencies]

instrumentation-loongsuite/loongsuite-instrumentation-google-adk/src/opentelemetry/instrumentation/google_adk/internal/_extractors.py

@@ -326,9 +326,6 @@ def extract_llm_request_attributes(
                 except Exception as e:
                     _logger.debug(f"Failed to extract input messages: {e}")
 
-            attrs["input.mime_type"] = "application/json"
-            # ❌ 移除 gen_ai.request.is_stream (非标准属性)
-
             return attrs
 
         except Exception as e:

instrumentation-loongsuite/loongsuite-instrumentation-google-adk/tests/test_plugin_integration.py

@@ -75,20 +75,6 @@ class OTelGenAISpanValidator:
         },
     }
 
-    # Non-standard attributes that should NOT be present
-    NON_STANDARD_ATTRIBUTES = {
-        "gen_ai.span.kind",  # Use gen_ai.operation.name instead
-        "gen_ai.system",  # Use gen_ai.provider.name instead
-        "gen_ai.session.id",  # Use gen_ai.conversation.id instead
-        "gen_ai.user.id",  # Use enduser.id instead
-        "gen_ai.framework",  # Non-standard
-        "gen_ai.model_name",  # Redundant
-        "gen_ai.request.is_stream",  # Non-standard
-        "gen_ai.usage.total_tokens",  # Non-standard
-        "gen_ai.input.message_count",  # Non-standard
-        "gen_ai.output.message_count",  # Non-standard
-    }
-
     def validate_span(self, span, expected_operation: str) -> Dict[str, Any]:
         """Validate a single span's attributes against OTel GenAI conventions."""
         validation_result = {
@@ -114,11 +100,6 @@ def validate_span(self, span, expected_operation: str) -> Dict[str, Any]:
                 f"Expected operation '{expected_operation}', got '{actual_operation}'"
             )
 
-        # Check for non-standard attributes
-        for attr_key in attributes.keys():
-            if attr_key in self.NON_STANDARD_ATTRIBUTES:
-                validation_result["non_standard_found"].append(attr_key)
-
         # Validate required and recommended attributes
         if expected_operation in self.REQUIRED_ATTRIBUTES_BY_OPERATION:
             requirements = self.REQUIRED_ATTRIBUTES_BY_OPERATION[