Refactor LLM SDK

Author: tysonthomas9

.gitignore

@@ -57,3 +57,4 @@ test/perf/.generated
 
 # Dependencies
 node_modules/
+*/.idea/

config/gni/devtools_grd_files.gni

@@ -604,30 +604,36 @@ grd_files_release_sources = [
   "front_end/panels/ai_chat/ui/HelpDialog.js",
   "front_end/panels/ai_chat/ui/PromptEditDialog.js",
   "front_end/panels/ai_chat/ui/SettingsDialog.js",
+  "front_end/panels/ai_chat/ui/EvaluationDialog.js",
   "front_end/panels/ai_chat/core/AgentService.js",
   "front_end/panels/ai_chat/core/State.js",
   "front_end/panels/ai_chat/core/Graph.js",
   "front_end/panels/ai_chat/core/Types.js",
   "front_end/panels/ai_chat/core/Constants.js",
   "front_end/panels/ai_chat/core/ConfigurableGraph.js",
   "front_end/panels/ai_chat/core/GraphConfigs.js",
-  "front_end/panels/ai_chat/core/OpenAIClient.js",
-  "front_end/panels/ai_chat/core/LiteLLMClient.js",
-  "front_end/panels/ai_chat/core/UnifiedLLMClient.js",
   "front_end/panels/ai_chat/core/BaseOrchestratorAgent.js",
   "front_end/panels/ai_chat/core/PageInfoManager.js",
   "front_end/panels/ai_chat/core/AgentNodes.js",
-  "front_end/panels/ai_chat/core/ChatOpenAI.js",
-  "front_end/panels/ai_chat/core/ChatLiteLLM.js",
   "front_end/panels/ai_chat/core/GraphHelpers.js",
   "front_end/panels/ai_chat/core/StateGraph.js",
+  "front_end/panels/ai_chat/core/Logger.js",
+  "front_end/panels/ai_chat/LLM/LLMTypes.js",
+  "front_end/panels/ai_chat/LLM/LLMProvider.js",
+  "front_end/panels/ai_chat/LLM/LLMProviderRegistry.js",
+  "front_end/panels/ai_chat/LLM/LLMErrorHandler.js",
+  "front_end/panels/ai_chat/LLM/LLMResponseParser.js",
+  "front_end/panels/ai_chat/LLM/OpenAIProvider.js",
+  "front_end/panels/ai_chat/LLM/LiteLLMProvider.js",
+  "front_end/panels/ai_chat/LLM/LLMClient.js",
   "front_end/panels/ai_chat/tools/Tools.js",
   "front_end/panels/ai_chat/tools/CombinedExtractionTool.js",
   "front_end/panels/ai_chat/tools/CritiqueTool.js",
   "front_end/panels/ai_chat/tools/FetcherTool.js",
   "front_end/panels/ai_chat/tools/FinalizeWithCritiqueTool.js",
   "front_end/panels/ai_chat/tools/HTMLToMarkdownTool.js",
   "front_end/panels/ai_chat/tools/SchemaBasedExtractorTool.js",
+  "front_end/panels/ai_chat/tools/StreamlinedSchemaExtractorTool.js",
   "front_end/panels/ai_chat/tools/VisitHistoryManager.js",
   "front_end/panels/ai_chat/tools/FullPageAccessibilityTreeToMarkdownTool.js",
   "front_end/panels/ai_chat/common/utils.js",

front_end/panels/ai_chat/BUILD.gn

@@ -29,18 +29,21 @@ devtools_module("ai_chat") {
     "core/AgentService.ts",
     "core/Constants.ts",
     "core/GraphConfigs.ts",
-    "core/OpenAIClient.ts",
-    "core/LiteLLMClient.ts",
-    "core/UnifiedLLMClient.ts",
     "core/ConfigurableGraph.ts",
     "core/BaseOrchestratorAgent.ts",
     "core/PageInfoManager.ts",
     "core/AgentNodes.ts",
-    "core/ChatOpenAI.ts",
-    "core/ChatLiteLLM.ts",
     "core/GraphHelpers.ts",
     "core/StateGraph.ts",
     "core/Logger.ts",
+    "LLM/LLMTypes.ts",
+    "LLM/LLMProvider.ts",
+    "LLM/LLMProviderRegistry.ts",
+    "LLM/LLMErrorHandler.ts",
+    "LLM/LLMResponseParser.ts",
+    "LLM/OpenAIProvider.ts",
+    "LLM/LiteLLMProvider.ts",
+    "LLM/LLMClient.ts",
     "tools/Tools.ts",
     "tools/CritiqueTool.ts",
     "tools/FetcherTool.ts",
@@ -107,24 +110,29 @@ _ai_chat_sources = [
     "core/AgentService.ts",
     "core/Constants.ts",
     "core/GraphConfigs.ts",
-    "core/OpenAIClient.ts",
-    "core/LiteLLMClient.ts",
-    "core/UnifiedLLMClient.ts",
     "core/ConfigurableGraph.ts",
     "core/BaseOrchestratorAgent.ts",
     "core/PageInfoManager.ts",
     "core/AgentNodes.ts",
-    "core/ChatOpenAI.ts",
-    "core/ChatLiteLLM.ts",
     "core/GraphHelpers.ts",
     "core/StateGraph.ts",
+    "core/Logger.ts",
+    "LLM/LLMTypes.ts",
+    "LLM/LLMProvider.ts",
+    "LLM/LLMProviderRegistry.ts",
+    "LLM/LLMErrorHandler.ts",
+    "LLM/LLMResponseParser.ts",
+    "LLM/OpenAIProvider.ts",
+    "LLM/LiteLLMProvider.ts",
+    "LLM/LLMClient.ts",
     "tools/Tools.ts",
     "tools/CritiqueTool.ts",
     "tools/FetcherTool.ts",
     "tools/FinalizeWithCritiqueTool.ts",
     "tools/VisitHistoryManager.ts",
     "tools/HTMLToMarkdownTool.ts",
     "tools/SchemaBasedExtractorTool.ts",
+    "tools/StreamlinedSchemaExtractorTool.ts",
     "tools/CombinedExtractionTool.ts",
     "tools/FullPageAccessibilityTreeToMarkdownTool.ts",
     "agent_framework/ConfigurableAgentTool.ts",