feat(translate): add per-series glossary with auto extraction

src/translate/translationservice.h

@@ -2,6 +2,7 @@
 
 #include "llmclient.h"
 #include "subtitleextractor.h"
+#include "glossarystore.h"
 
 #include <QCoroTask>
 
@@ -31,6 +32,8 @@ class TranslationService : public QObject
     Q_PROPERTY(QStringList availableModels READ availableModels NOTIFY availableModelsChanged)
     Q_PROPERTY(QVariantList translationPresets READ translationPresets CONSTANT)
     Q_PROPERTY(bool fetchingModels READ isFetchingModels NOTIFY fetchingModelsChanged)
+    Q_PROPERTY(QVariantList glossaryEntries READ glossaryEntries NOTIFY glossaryChanged)
+    Q_PROPERTY(QString glossaryDirectory READ glossaryDirectory NOTIFY glossaryChanged)
 
 public:
     explicit TranslationService(QObject *parent = nullptr);
@@ -43,6 +46,8 @@ public:
     QStringList availableModels() const;
     QVariantList translationPresets() const;
     bool isFetchingModels() const;
+    QVariantList glossaryEntries() const;
+    QString glossaryDirectory() const;
 
     // \a track is an entry of MpvItem::subtitleTracks.
     Q_INVOKABLE void translate(const QUrl &videoUrl, const QVariantMap &track, const QString &mediaTitle);
@@ -50,6 +55,9 @@ public:
     // Asks the API configured in the settings for its models.
     Q_INVOKABLE void fetchModels();
     Q_INVOKABLE void clearError();
+    Q_INVOKABLE void loadGlossary(const QUrl &videoUrl);
+    Q_INVOKABLE void saveGlossary(const QVariantList &entries);
+    Q_INVOKABLE void clearGlossary();
 
 Q_SIGNALS:
     void busyChanged();
@@ -58,6 +66,7 @@ Q_SIGNALS:
     void errorTextChanged();
     void availableModelsChanged();
     void fetchingModelsChanged();
+    void glossaryChanged();
     void translated(const QUrl &subtitleUrl, bool fromCache);
 
 private:
@@ -91,4 +100,5 @@ private:
     QString m_errorText;
     QStringList m_availableModels;
     bool m_fetchingModels = false;
+    GlossaryStore::Glossary m_glossary;
 };