chore: fix lint errors in OpenAI and LangChain provider packages

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

Author: jsonbailey

packages/ai-providers/server-ai-langchain/src/LangChainHelper.ts

@@ -88,7 +88,7 @@ export function getAIMetricsFromResponse(response: AIMessage): LDAIMetrics {
  * Extract JSON Schema from an LD tool definition's parameters.
  * Falls back to an open object schema when no parameters are defined.
  */
-function _getInputSchema(toolDef: Record<string, any>): Record<string, unknown> {
+function getInputSchema(toolDef: Record<string, any>): Record<string, unknown> {
   const params = toolDef.function?.parameters ?? toolDef.parameters;
   if (params && typeof params === 'object' && params.properties) {
     return params;
@@ -150,7 +150,7 @@ export function buildStructuredTools(
         {
           name,
           description,
-          schema: _getInputSchema(td) as any,
+          schema: getInputSchema(td) as any,
         },
       ),
     );

packages/ai-providers/server-ai-langchain/src/LangChainRunnerFactory.ts

@@ -20,6 +20,7 @@ let instrumentPromise: Promise<void> | undefined;
 export class LangChainRunnerFactory extends AIProvider {
   constructor(logger?: LDLogger) {
     super(logger);
+    // eslint-disable-next-line no-underscore-dangle
     LangChainRunnerFactory._ensureInstrumented(logger).catch(() => {});
   }
 

packages/ai-providers/server-ai-openai/__tests__/OpenAIAgentRunner.test.ts

@@ -1,5 +1,3 @@
-import type { LDAIAgentConfig } from '@launchdarkly/server-sdk-ai';
-
 import { OpenAIAgentRunner } from '../src/OpenAIAgentRunner';
 
 const mockRun = jest.fn();

packages/ai-providers/server-ai-openai/__tests__/OpenAIHelper.test.ts

@@ -116,7 +116,7 @@ it('returns true for non-callable objects passed to isAgentToolInstance', () =>
 });
 
 describe('given a shared fakeTool mock', () => {
-  const fakeTool = jest.fn((opts: any) => ({ ...opts, _wrapped: true }));
+  const fakeTool = jest.fn((opts: any) => ({ ...opts, wrapped: true }));
 
   it('passes through non-callable values without wrapping', () => {
     const hostedTool = { name: 'web_search', type: 'hosted' };
@@ -141,7 +141,7 @@ describe('given a shared fakeTool mock', () => {
         strict: false,
       }),
     );
-    expect(wrapped._wrapped).toBe(true);
+    expect(wrapped.wrapped).toBe(true);
   });
 
   it('serializes non-string tool results to JSON', async () => {

packages/ai-providers/server-ai-openai/src/OpenAIHelper.ts

@@ -49,17 +49,17 @@ export function getAIMetricsFromResponse(response: any): LDAIMetrics {
 /**
  * Convert a snake_case string to camelCase.
  */
-function _snakeToCamel(key: string): string {
+function snakeToCamel(key: string): string {
   return key.replace(/_([a-z])/g, (_, c) => c.toUpperCase());
 }
 
 /**
  * Convert all snake_case keys in a record to camelCase.
  */
-export function _mapParameterKeys(parameters: Record<string, unknown>): Record<string, unknown> {
+export function mapParameterKeys(parameters: Record<string, unknown>): Record<string, unknown> {
   const result: Record<string, unknown> = {};
   for (const [key, value] of Object.entries(parameters)) {
-    result[_snakeToCamel(key)] = value;
+    result[snakeToCamel(key)] = value;
   }
   return result;
 }

packages/ai-providers/server-ai-openai/src/OpenAIRunnerFactory.ts

@@ -4,7 +4,7 @@ import { AIProvider } from '@launchdarkly/server-sdk-ai';
 import type { LDAIAgentConfig, LDAICompletionConfig, LDLogger } from '@launchdarkly/server-sdk-ai';
 
 import { OpenAIAgentRunner, ToolRegistry } from './OpenAIAgentRunner';
-import { _mapParameterKeys, buildAgentTools } from './OpenAIHelper';
+import { mapParameterKeys, buildAgentTools } from './OpenAIHelper';
 import { OpenAIModelRunner } from './OpenAIModelRunner';
 
 let instrumentPromise: Promise<void> | undefined;
@@ -22,6 +22,7 @@ export class OpenAIRunnerFactory extends AIProvider {
     super(logger);
     this._client = new OpenAI({ apiKey: process.env.OPENAI_API_KEY });
     // Fire-and-forget: OTel instrumentation is optional and must not block construction.
+    // eslint-disable-next-line no-underscore-dangle
     OpenAIRunnerFactory._ensureInstrumented(logger).catch(() => {});
   }
 
@@ -63,7 +64,7 @@ export class OpenAIRunnerFactory extends AIProvider {
 
     const registry = tools ?? {};
     const configTools = config.tools ?? {};
-    const parameters = _mapParameterKeys({ ...(config.model?.parameters ?? {}) });
+    const parameters = mapParameterKeys({ ...(config.model?.parameters ?? {}) });
     delete parameters.tools;
 
     const { agentTools, toolNameMap } = buildAgentTools(toolHelper, configTools, registry, this.logger);