Add engine to generate token gloss suggestions from previous glosses (#131)

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: alex-rawlings-yyc

__mocks__/lucide-react.tsx

@@ -74,3 +74,13 @@ export function Link2Off(props: Readonly<{ size?: number; className?: string }>)
 export function Settings(props: Readonly<{ size?: number; className?: string }>): ReactElement {
   return <svg data-testid="settings-icon" {...props} />;
 }
+
+/**
+ * Stub for the Plus icon used by the token chip's suggestion-dropdown toggle.
+ *
+ * @param props - SVG props forwarded from the component.
+ * @returns A ReactElement SVG element used as a plus icon stub in tests.
+ */
+export function Plus(props: Readonly<{ size?: number; className?: string }>): ReactElement {
+  return <svg data-testid="plus-icon" {...props} />;
+}

contributions/localizedStrings.json

@@ -33,6 +33,7 @@
       "%interlinearizer_viewOption_showFreeTranslation%": "Show free translation",
       "%interlinearizer_projectSettings_showFreeTranslation%": "Show Free Translation",
       "%interlinearizer_projectSettings_showFreeTranslationDescription%": "Display a free-translation input beneath each segment's tokens or baseline text",
+      "%interlinearizer_viewOption_showSuggestions%": "Show suggestions",
       "%interlinearizer_glossInput_placeholder%": "gloss",
       "%interlinearizer_freeTranslationInput_placeholder%": "Free translation",
       "%interlinearizer_morphemeEditor_splitLabel%": "Split into morphemes",