feat: include unconfigured secret paths in config settings snapshot

- Export SECRET_PATHS from registry for reuse
- Populate snapshot with `{ configured: true }` for non-empty secrets not already covered by registered fields

src/config/settings/jsonc-edit.ts

@@ -15,7 +15,7 @@ import type {
   ConfigSettingsSnapshot,
 } from '../../types/settings';
 import { resolveConfig } from '../resolve';
-import { getConfigValueAtPath } from './registry';
+import { getConfigValueAtPath, SECRET_PATHS } from './registry';
 
 const JSONC_FORMATTING_OPTIONS: FormattingOptions = {
   insertSpaces: true,
@@ -337,6 +337,20 @@ export function buildConfigSettingsSnapshot(
     values[field.configPath] = structuredClone(rawValue != null ? rawValue : resolvedValue);
   }
 
+  for (const secretPath of SECRET_PATHS) {
+    if (Object.hasOwn(values, secretPath)) {
+      continue;
+    }
+    const rawValue = getConfigValueAtPath(options.rawConfig, secretPath);
+    const resolvedValue = getConfigValueAtPath(options.resolvedConfig, secretPath);
+    if (
+      (typeof rawValue === 'string' && rawValue.length > 0) ||
+      (typeof resolvedValue === 'string' && resolvedValue.length > 0)
+    ) {
+      values[secretPath] = { configured: true };
+    }
+  }
+
   return {
     configPath: options.configPath,
     fields: options.fields,

src/config/settings/registry.ts

@@ -93,7 +93,7 @@ const JSON_OBJECT_FIELDS = new Set([
   'subtitleSidebar.css',
 ]);
 
-const SECRET_PATHS = new Set(['ai.apiKey', 'jimaku.apiKey', 'anilist.accessToken']);
+export const SECRET_PATHS = new Set(['ai.apiKey', 'jimaku.apiKey', 'anilist.accessToken']);
 
 const COLOR_SUFFIXES = new Set(['Color', 'color', 'backgroundColor', 'singleColor']);
 const SUBTITLE_CSS_MANAGED_CONFIG_PATHS = new Set([