feat: include select options in unknown field reports and Telegram messages

When a required select has no answer, the unknown field now includes
the available options. Telegram notification shows them so the user
knows exactly what to reply with.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lib/form_filler.mjs

@@ -306,8 +306,14 @@ export class FormFiller {
             }
           }
         } else if (await this.isRequired(sel)) {
-          // Non-EEO required select with no answer — report as unknown
-          unknown.push(lbl);
+          // Non-EEO required select with no answer — report as unknown with options
+          const opts = await sel.$$('option');
+          const options = [];
+          for (const opt of opts) {
+            const text = (await opt.textContent().catch(() => '') || '').trim();
+            if (text && !/^select/i.test(text)) options.push(text);
+          }
+          unknown.push({ label: lbl, type: 'select', options });
         }
       }
     }