refactor(utils): split errors.ts into separate files

- Split StackOneError into error-stackone.ts
- Split StackOneAPIError into error-stackone-api.ts
- Remove re-export file errors.ts
- Update all imports to use direct paths

Improves searchability and code organisation.

Author: ryoppippi

src/feedback.ts

@@ -2,7 +2,7 @@ import { z } from 'zod';
 import { DEFAULT_BASE_URL } from './consts';
 import { BaseTool } from './tool';
 import type { ExecuteConfig, ExecuteOptions, JsonObject, JsonValue, ToolParameters } from './types';
-import { StackOneError } from './utils/errors';
+import { StackOneError } from './utils/error-stackone';
 
 interface FeedbackToolOptions {
 	baseUrl?: string;

src/index.ts

@@ -4,7 +4,8 @@
 
 export { BaseTool, StackOneTool, Tools } from './tool';
 export { createFeedbackTool } from './feedback';
-export { StackOneAPIError, StackOneError } from './utils/errors';
+export { StackOneError } from './utils/error-stackone';
+export { StackOneAPIError } from './utils/error-stackone-api';
 
 export {
 	StackOneToolSet,

src/requestBuilder.ts

@@ -7,7 +7,7 @@ import {
 	type JsonObject,
 	ParameterLocation,
 } from './types';
-import { StackOneAPIError } from './utils/errors';
+import { StackOneAPIError } from './utils/error-stackone-api';
 
 interface SerializationOptions {
 	maxDepth?: number;

src/rpc-client.ts

@@ -8,7 +8,7 @@ import {
 	rpcActionResponseSchema,
 	rpcClientConfigSchema,
 } from './schema';
-import { StackOneAPIError } from './utils/errors';
+import { StackOneAPIError } from './utils/error-stackone-api';
 
 // Re-export types for consumers and to make types portable
 export type { RpcActionResponse } from './schema';

src/tool.ts

@@ -20,7 +20,7 @@ import type {
 	ToolParameters,
 } from './types';
 
-import { StackOneError } from './utils/errors';
+import { StackOneError } from './utils/error-stackone';
 import { TfidfIndex } from './utils/tfidf-index';
 import { tryImport } from './utils/try-import';
 

src/toolsets.ts

@@ -13,7 +13,7 @@ import type {
 	RpcExecuteConfig,
 	ToolParameters,
 } from './types';
-import { StackOneError } from './utils/errors';
+import { StackOneError } from './utils/error-stackone';
 
 /**
  * Converts RpcActionResponse to JsonObject in a type-safe manner.

src/utils/errors.ts src/utils/error-stackone-api.tssrc/utils/errors.ts renamed to src/utils/error-stackone-api.ts

@@ -1,14 +1,5 @@
 import { USER_AGENT } from '../consts';
-
-/**
- * Base exception for StackOne errors
- */
-export class StackOneError extends Error {
-	constructor(message: string, options?: ErrorOptions) {
-		super(message, options);
-		this.name = 'StackOneError';
-	}
-}
+import { StackOneError } from './error-stackone';
 
 /**
  * Raised when the StackOne API returns an error

src/utils/error-stackone.ts

@@ -0,0 +1,9 @@
+/**
+ * Base exception for StackOne errors
+ */
+export class StackOneError extends Error {
+	constructor(message: string, options?: ErrorOptions) {
+		super(message, options);
+		this.name = 'StackOneError';
+	}
+}

src/utils/try-import.ts

@@ -1,4 +1,4 @@
-import { StackOneError } from './errors';
+import { StackOneError } from './error-stackone';
 
 /**
  * Dynamically import an optional dependency with a friendly error message