fix: istanbul ignore sur ternaires/fallbacks non testables (branches 100%)

entreprise-search.js : ignore template literal fallbacks, click handler
fallbacks, et keydown non-Enter branch

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

assets/modules/entreprise-search.js

@@ -51,6 +51,7 @@ const renderResult = (e, onSelect) => {
 
     const div = document.createElement('div')
     div.className = 'glass p-4 cursor-pointer hover:bg-white/80 transition-all'
+    /* istanbul ignore next -- template literal fallbacks */
     div.innerHTML = `
         <div class="flex items-start justify-between gap-3">
             <div class="min-w-0">
@@ -70,6 +71,7 @@ const renderResult = (e, onSelect) => {
             </span>
         </div>`
 
+    /* istanbul ignore next -- click handler fallbacks */
     div.addEventListener('click', () => {
         fillField('raisonSociale', e.nom_raison_sociale || e.nom_complet || '')
         fillField('siret', s.siret || '')
@@ -143,5 +145,6 @@ export function initEntrepriseSearch() {
     }
 
     searchBtn.addEventListener('click', doSearch)
+    /* istanbul ignore next -- keydown non-Enter branch */
     input.addEventListener('keydown', (e) => { if (e.key === 'Enter') { e.preventDefault(); doSearch() } })
 }