chore: Store user config metadata in memory

This will be used in #16

src/core/types/internal.ts

@@ -8,6 +8,7 @@ import {
   UserManifest,
   ExtensionRunnerConfig,
   ConfigEnv,
+  UserConfig,
 } from './external';
 import { UnimportOptions } from 'unimport';
 import { ResolvedConfig } from 'c12';
@@ -48,6 +49,7 @@ export interface InternalConfig {
     enabled: boolean;
     template: NonNullable<PluginVisualizerOptions['template']>;
   };
+  userConfigMetadata: Omit<ResolvedConfig<UserConfig>, 'config'>;
 }
 
 export type EntrypointGroup = Entrypoint | Entrypoint[];

src/core/utils/getInternalConfig.ts

@@ -30,13 +30,15 @@ export async function getInternalConfig(
   // Load user config
 
   let userConfig: UserConfig = {};
+  let userConfigMetadata: InternalConfig['userConfigMetadata'] | undefined;
   if (inlineConfig.configFile !== false) {
-    const loaded = await loadConfig<UserConfig>({
+    const { config: loadedConfig, ...metadata } = await loadConfig<UserConfig>({
       name: 'wxt',
       cwd: inlineConfig.root ?? process.cwd(),
       rcFile: false,
     });
-    userConfig = loaded.config ?? {};
+    userConfig = loadedConfig ?? {};
+    userConfigMetadata = metadata;
   }
 
   // Merge it into the inline config
@@ -109,6 +111,7 @@ export async function getInternalConfig(
       enabled: mergedConfig.analysis?.enabled ?? false,
       template: mergedConfig.analysis?.template ?? 'treemap',
     },
+    userConfigMetadata: userConfigMetadata ?? {},
   };
 
   finalConfig.vite = (env) =>