Solution 0x4ac69e554cfa29c1fb7819e9835c17153233e73e72ecb0b821628233c820eb3c

T2T-Item: 0x4ac69e554cfa29c1fb7819e9835c17153233e73e72ecb0b821628233c820eb3c
T2T-Issue: 0xb8d7c6d9815eb6af5efae391d136467cda8c028200c2b5ec5a36fa6620196c53

tests/acceptance/10/CRITERIA.json

@@ -0,0 +1,18 @@
+{
+  "schema": "elffuss-t2t/criteria@2",
+  "issue": 10,
+  "criteria": [
+    {
+      "index": 1,
+      "tests": [
+        "tests/acceptance/10/criteria.test.js::criterion 1"
+      ]
+    },
+    {
+      "index": 2,
+      "tests": [
+        "tests/acceptance/10/criteria.test.js::criterion 2"
+      ]
+    }
+  ]
+}

tests/acceptance/10/criteria.test.js

@@ -0,0 +1,31 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+const mod = await import('../../../web/js/model-cache.js')
+
+function setNavigator(value) {
+  Object.defineProperty(globalThis, 'navigator', { value, configurable: true, writable: true })
+}
+
+test('criterion 1', async () => {
+  const removed = []
+  const deletedCaches = []
+  const root = {
+    async removeEntry(name, opts) { removed.push([name, opts]) },
+  }
+  setNavigator({ storage: { getDirectory: async () => root } })
+  globalThis.caches = { delete: async (n) => { deletedCaches.push(n); return true } }
+
+  await mod.clearModelCache()
+
+  assert.ok(removed.some(([n]) => n === 'elffuss-models'))
+  assert.deepEqual(deletedCaches, ['elffuss-models-v1'])
+})
+
+test('criterion 2', async () => {
+  let calls = 0
+  setNavigator({ storage: { getDirectory: async () => { calls++; throw new Error('sin OPFS') } } })
+  globalThis.caches = { delete: async () => true }
+
+  await assert.doesNotReject(mod.clearModelCache())
+  assert.equal(calls, 1)
+})

tests/acceptance/9/CRITERIA.json

@@ -0,0 +1,12 @@
+{
+  "schema": "elffuss-t2t/criteria@2",
+  "issue": 9,
+  "criteria": [
+    {
+      "index": 1,
+      "tests": [
+        "tests/acceptance/9/criteria.test.js::criterion 1"
+      ]
+    }
+  ]
+}

tests/acceptance/9/criteria.test.js

@@ -0,0 +1,15 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+const mod = await import('../../../web/js/conversations.js')
+
+const convOf = content => ({ title: null, agent: { history: [{ role: 'user', content }] } })
+
+test('criterion 1', () => {
+  const emoji = '\u{1F600}'
+  const a39 = 'a'.repeat(39)
+  const title = mod.titleFor(convOf(a39 + emoji + 'bcd'))
+  assert.equal(title, a39 + emoji + '…')
+  assert.equal(title.isWellFormed(), true)
+
+  assert.equal(mod.titleFor(convOf('a'.repeat(60))), 'a'.repeat(40) + '…')
+})

web/js/conversations.js

@@ -41,7 +41,8 @@ export function titleFor(conv) {
   // no debe filtrarse al título de la pestaña — se muestra el texto limpio.
   const raw = firstUser.content.startsWith(GOAL_PREFIX) ? firstUser.content.slice(GOAL_PREFIX.length) : firstUser.content;
   const t = cleanTitle(raw);
-  return t.length > 40 ? t.slice(0, 40) + '…' : t || 'Nueva conversación';
+  const chars = Array.from(t);
+  return chars.length > 40 ? chars.slice(0, 40).join('') + '…' : t || 'Nueva conversación';
 }
 
 export function setProvider(mod) {

web/js/model-cache.js

@@ -48,4 +48,8 @@ export async function clearModelCache() {
   if (navigator.serviceWorker && navigator.serviceWorker.controller)
     navigator.serviceWorker.controller.postMessage('clear-models');
   try { await caches.delete('elffuss-models-v1'); } catch { /* */ }
+  try {
+    const { clearAll } = await import('./runtime/model-store.js');
+    await clearAll();
+  } catch { /* sin almacén OPFS: nada que vaciar */ }
 }