refactor(config): remove duplicate loadConfig to establish single sou…

packages/config/src/schema.ts

@@ -606,116 +606,6 @@ export function getEnvironmentDefaults(env: Environment): HelmConfig {
   }
 }
 
-// ============================================
-// Load Config Function
-// ============================================
-
-export async function loadConfig(sources: ConfigSources = {}): Promise<LoadedConfig> {
-  const warnings: string[] = [];
-  let config: Record<string, unknown> = {};
-  let source: LoadedConfig['source'] = 'default';
-  let configPath: string | undefined;
-
-  // 1. Environment-specific defaults
-  const env = (process.env.NODE_ENV as Environment) || 'development';
-  const envDefaults = getEnvironmentDefaults(env);
-  config = mergeConfigs(config, envDefaults as Record<string, unknown>);
-
-  // 2. Config file
-  if (sources.configFile) {
-    const fs = await import('fs/promises');
-    const fileConfig = JSON.parse(await fs.readFile(sources.configFile, 'utf-8'));
-    config = mergeConfigs(config, fileConfig);
-    source = 'file';
-    configPath = sources.configFile;
-  } else if (sources.configDir) {
-    const fs = await import('fs/promises');
-    const path = await import('path');
-    const candidates = [
-      'helm.config.json',
-      '.helm.json',
-      'config/helm.json',
-      'config/default.json',
-    ];
-    for (const candidate of candidates) {
-      const fullPath = path.resolve(sources.configDir, candidate);
-      try {
-        const fileConfig = JSON.parse(await fs.readFile(fullPath, 'utf-8'));
-        config = mergeConfigs(config, fileConfig);
-        source = 'file';
-        configPath = fullPath;
-        break;
-      } catch {
-        // File not found, continue
-      }
-    }
-  }
-
-  // 3. Environment variables
-  const envPrefix = 'HELM_';
-  const envConfig: Record<string, unknown> = {};
-  for (const [key, value] of Object.entries(process.env)) {
-    if (key.startsWith(envPrefix) && value !== undefined) {
-      const configKey = key.slice(envPrefix.length).toLowerCase().replace(/_/g, '.');
-      setNestedValue(envConfig, configKey, value);
-    }
-  }
-  if (Object.keys(envConfig).length > 0) {
-    config = mergeConfigs(config, envConfig);
-    source = 'env';
-  }
-
-  // 4. CLI args
-  if (sources.cliArgs && Object.keys(sources.cliArgs).length > 0) {
-    const cliConfig: Record<string, unknown> = {};
-    for (const [key, value] of Object.entries(sources.cliArgs)) {
-      if (value !== undefined) {
-        setNestedValue(cliConfig, key, value);
-      }
-    }
-    config = mergeConfigs(config, cliConfig);
-    source = 'cli';
-  }
-
-  // 5. Validate
-  let validatedConfig: HelmConfig;
-  try {
-    validatedConfig = HelmConfigSchema.parse(config);
-  } catch (error) {
-    if (error instanceof z.ZodError) {
-      const messages = error.errors.map((e) => `${e.path.join('.')}: ${e.message}`).join('; ');
-      throw new Error(`Configuration validation failed: ${messages}`);
-    }
-    throw error;
-  }
-
-  // 6. Additional validation
-
-  if (validatedConfig.providers.length === 0) {
-    warnings.push('No AI providers configured. Add at least one provider to use AI features.');
-  }
-  for (const provider of validatedConfig.providers.filter((p) => p.enabled)) {
-    const needsApiKey = !['ollama', 'lmstudio', 'vllm'].includes(provider.type);
-    if (needsApiKey && !provider.apiKey) {
-      warnings.push(`Provider "${provider.name}" (${provider.type}) requires an API key.`);
-    }
-  }
-
-  // Production warnings
-  if (validatedConfig.app.environment === 'production') {
-    if (validatedConfig.auth.jwt.secret === 'dev-secret-change-in-production-min-32-chars-long') {
-      warnings.push('CRITICAL: Using default JWT secret in production! Set HELM_JWT_SECRET.');
-    }
-  }
-
-  return {
-    config: validatedConfig,
-    source,
-    path: configPath,
-    warnings,
-  };
-}
-
 // ============================================
 // Connection String Helpers
 // ============================================