chore: refactor config initialisation for CLI to allow easy extension from other config sources as well MCP-288 (#729)

Author: himanshusinghs

eslint-rules/enforce-zod-v4.js

@@ -2,8 +2,7 @@
 import path from "path";
 
 // The file that is allowed to import from zod/v4
-const configFilePath = path.resolve(import.meta.dirname, "../src/common/config.ts");
-const schemasFilePath = path.resolve(import.meta.dirname, "../src/common/schemas.ts");
+const configFilePath = path.resolve(import.meta.dirname, "../src/common/config/userConfig.ts");
 
 // Ref: https://eslint.org/docs/latest/extend/custom-rules
 export default {

eslint-rules/enforce-zod-v4.test.js

@@ -15,19 +15,19 @@ const ruleTester = new RuleTester({
 });
 
 describe("enforce-zod-v4", () => {
-    it("should allow zod/v4 imports in config.ts", () => {
+    it("should allow zod/v4 imports in userConfig.ts", () => {
         ruleTester.run("enforce-zod-v4", rule, {
             valid: [
                 {
-                    filename: resolve("src/common/config.ts"),
+                    filename: resolve("src/common/config/userConfig.ts"),
                     code: 'import { z } from "zod/v4";\n',
                 },
                 {
-                    filename: resolve("src/common/config.ts"),
+                    filename: resolve("src/common/config/userConfig.ts"),
                     code: 'import * as z from "zod/v4";\n',
                 },
                 {
-                    filename: resolve("src/common/config.ts"),
+                    filename: resolve("src/common/config/userConfig.ts"),
                     code: 'import type { ZodType } from "zod/v4";\n',
                 },
             ],
@@ -63,7 +63,7 @@ describe("enforce-zod-v4", () => {
                     code: 'import { something } from "some-package";\n',
                 },
                 {
-                    filename: resolve("src/common/config.ts"),
+                    filename: resolve("src/common/config/userConfig.ts"),
                     code: 'import path from "path";\n',
                 },
                 {
@@ -127,7 +127,7 @@ describe("enforce-zod-v4", () => {
         ruleTester.run("enforce-zod-v4", rule, {
             valid: [
                 {
-                    filename: resolve("src/common/config.ts"),
+                    filename: resolve("src/common/config/userConfig.ts"),
                     code: `import { z } from "zod/v4";
 import path from "path";
 import type { UserConfig } from "./types.js";

eslint-rules/no-config-imports.js

@@ -5,7 +5,6 @@ import globals from "globals";
 import tseslint from "typescript-eslint";
 import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";
 import vitestPlugin from "@vitest/eslint-plugin";
-import noConfigImports from "./eslint-rules/no-config-imports.js";
 import enforceZodV4 from "./eslint-rules/enforce-zod-v4.js";
 
 const testFiles = ["tests/**/*.test.ts", "tests/**/*.ts"];
@@ -68,19 +67,13 @@ export default defineConfig([
     {
         files: ["src/**/*.ts"],
         plugins: {
-            "no-config-imports": {
-                rules: {
-                    "no-config-imports": noConfigImports,
-                },
-            },
             "enforce-zod-v4": {
                 rules: {
                     "enforce-zod-v4": enforceZodV4,
                 },
             },
         },
         rules: {
-            "no-config-imports/no-config-imports": "error",
             "enforce-zod-v4/enforce-zod-v4": "error",
         },
     },

eslint-rules/no-config-imports.test.js

@@ -11,10 +11,10 @@
 import { readFileSync, writeFileSync } from "fs";
 import { join, dirname } from "path";
 import { fileURLToPath } from "url";
-import { UserConfigSchema, configRegistry } from "../src/common/config.js";
+import { UserConfigSchema, configRegistry } from "../src/common/config/userConfig.js";
 import assert from "assert";
 import { execSync } from "child_process";
-import { OPTIONS } from "../src/common/argsParserOptions.js";
+import { OPTIONS } from "../src/common/config/argsParserOptions.js";
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);

eslint.config.js

@@ -1,4 +1,4 @@
-import type { UserConfig } from "../config.js";
+import type { UserConfig } from "../config/userConfig.js";
 import type { DatabaseUserRole } from "./openapi.js";
 
 const readWriteRole: DatabaseUserRole = {