feat: wire Traduci button in MissingTranslationView

Adds a Traduci button that enables on row selection and emits
translate_requested, connected to _do_translate in main_window.

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

1 files changed, 21 insertions, 3 deletions

diff --git a/ui/articles_view.py b/ui/articles_view.py
index d905fde..2c52ac8 100644
--- a/ui/articles_view.py
+++ b/ui/articles_view.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 from PyQt6.QtWidgets import (
-    QWidget, QVBoxLayout, QTabWidget,
-    QListWidget, QListWidgetItem, QLabel,
+    QWidget, QVBoxLayout, QHBoxLayout, QTabWidget,
+    QListWidget, QListWidgetItem, QLabel, QPushButton,
     QStyledItemDelegate, QApplication,
 )
 from PyQt6.QtCore import Qt, pyqtSignal, QSize, QRect
@@ -131,10 +131,28 @@ class MissingTranslationView(QWidget):
         self._list = QListWidget()
         self._list.setItemDelegate(ArticleItemDelegate(self._list))
         layout.addWidget(self._list)
-        self._list.itemClicked.connect(lambda item: self.article_selected.emit(item.article))
+        self._list.itemClicked.connect(self._on_item_clicked)
+
+        bar = QHBoxLayout()
+        self._btn_translate = QPushButton("🌐 Traduci")
+        self._btn_translate.setEnabled(False)
+        self._btn_translate.clicked.connect(self._on_translate_clicked)
+        bar.addStretch()
+        bar.addWidget(self._btn_translate)
+        layout.addLayout(bar)
+
+    def _on_item_clicked(self, item: QListWidgetItem):
+        self.article_selected.emit(item.article)
+        self._btn_translate.setEnabled(True)
+
+    def _on_translate_clicked(self):
+        item = self._list.currentItem()
+        if item:
+            self.translate_requested.emit(item.article)
 
     def set_articles(self, articles: list[Article]):
         self._list.clear()
+        self._btn_translate.setEnabled(False)
         missing = [a for a in articles if not a.has_translation]
         for a in missing:
             lang_other = "🇬🇧" if a.lang == "it" else "🇮🇹"