refactor: OpenAIModelRunner and OpenAIAgentRunner formally inherit Runner

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: jsonbailey

packages/ai-providers/server-ai-openai/src/ldai_openai/openai_agent_runner.py

@@ -2,6 +2,7 @@
 
 from ldai import log
 from ldai.providers import RunnerResult, ToolRegistry
+from ldai.providers.runner import Runner
 from ldai.providers.types import LDAIMetrics
 
 from ldai_openai.openai_helper import (
@@ -11,7 +12,7 @@
 )
 
 
-class OpenAIAgentRunner:
+class OpenAIAgentRunner(Runner):
     """
     CAUTION:
     This feature is experimental and should NOT be considered ready for production use.

packages/ai-providers/server-ai-openai/src/ldai_openai/openai_model_runner.py

@@ -2,6 +2,7 @@
 from typing import Any, Dict, List, Optional
 
 from ldai import LDMessage, log
+from ldai.providers.runner import Runner
 from ldai.providers.types import LDAIMetrics, RunnerResult
 from openai import AsyncOpenAI
 
@@ -11,7 +12,7 @@
 )
 
 
-class OpenAIModelRunner:
+class OpenAIModelRunner(Runner):
     """
     Runner implementation for OpenAI chat completions.