Clarify Yomitan external profile path for Linux GSM overlay

- Document Linux GameSentenceMiner overlay default: `~/.config/gsm_overlay`
- Add inline example for `yomitan.externalProfilePath` in integration option docs

src/config/definitions/options-integrations.ts

@@ -216,7 +216,7 @@ export function buildIntegrationConfigOptionRegistry(
       kind: 'string',
       defaultValue: defaultConfig.yomitan.externalProfilePath,
       description:
-        'Optional external Yomitan Electron profile path to use in read-only mode for shared dictionaries/settings.',
+        'Optional external Yomitan Electron profile path to use in read-only mode for shared dictionaries/settings. Example: ~/.config/gsm_overlay',
     },
     {
       path: 'jellyfin.enabled',

src/config/definitions/template-sections.ts

@@ -142,6 +142,7 @@ const INTEGRATION_TEMPLATE_SECTIONS: ConfigTemplateSection[] = [
     description: [
       'Optional external Yomitan profile integration.',
       'Setting yomitan.externalProfilePath switches SubMiner to read-only external-profile mode.',
+      'For GameSentenceMiner on Linux, the default overlay profile is usually ~/.config/gsm_overlay.',
       'In external-profile mode SubMiner will not import, delete, or modify Yomitan dictionaries/settings.',
     ],
     key: 'yomitan',