feat: v0.1.0 — client Sailfish per hermes-webui con voce

- ApiClient HTTP/SSE: login, sessioni, chat/start, stream SSE, transcribe, tts
- ChatModel: streaming live + risincronizzazione dallo stato del server
- CookieJar persistente (0600, mai la password); Settings
- Recorder OGG/Opus (fallback WAV/PCM, retry); Player TTS (QMediaPlayer)
- UI Silica: splash, login, sessioni, chat (dettatura + read-aloud), settings, cover
- Sailjail Internet;Audio;Microphone; icone; spec RPM; docs PROTOCOL/BUILD
- tests/core_test: unit parser SSE + integrazione live (probe :8899)

src/cookiejar.cpp

@@ -0,0 +1,72 @@
+#include "cookiejar.h"
+
+#include <QFile>
+#include <QDir>
+#include <QFileInfo>
+#include <QNetworkCookie>
+
+CookieJar::CookieJar(QObject *parent)
+    : QNetworkCookieJar(parent)
+{
+}
+
+void CookieJar::setFilePath(const QString &path)
+{
+    m_path = path;
+}
+
+QString CookieJar::filePath() const
+{
+    return m_path;
+}
+
+bool CookieJar::load()
+{
+    if (m_path.isEmpty())
+        return false;
+    QFile f(m_path);
+    if (!f.open(QIODevice::ReadOnly))
+        return false;
+    const QByteArray data = f.readAll();
+    f.close();
+    const QList<QNetworkCookie> cookies = QNetworkCookie::parseCookies(data);
+    if (cookies.isEmpty())
+        return false;
+    setAllCookies(cookies);
+    return true;
+}
+
+bool CookieJar::save() const
+{
+    if (m_path.isEmpty())
+        return false;
+    const QFileInfo info(m_path);
+    QDir().mkpath(info.absolutePath());
+    QFile f(m_path);
+    if (!f.open(QIODevice::WriteOnly | QIODevice::Truncate))
+        return false;
+    // Permessi solo proprietario PRIMA di scrivere il contenuto.
+    f.setPermissions(QFileDevice::ReadOwner | QFileDevice::WriteOwner);
+    const QList<QNetworkCookie> cookies = allCookies();
+    for (int i = 0; i < cookies.size(); ++i) {
+        f.write(cookies.at(i).toRawForm(QNetworkCookie::Full));
+        f.write("\n");
+    }
+    f.close();
+    return true;
+}
+
+void CookieJar::clear()
+{
+    setAllCookies(QList<QNetworkCookie>());
+    if (!m_path.isEmpty())
+        QFile::remove(m_path);
+}
+
+bool CookieJar::setCookiesFromUrl(const QList<QNetworkCookie> &cookieList, const QUrl &url)
+{
+    const bool changed = QNetworkCookieJar::setCookiesFromUrl(cookieList, url);
+    if (changed)
+        save();
+    return changed;
+}