chore: recovery backups, temp files and misc campaign artifacts

.bak LocalHistory recovery backups, .tmp0/.tmp1, .gitignore update,
reasonix.toml, convert_videoparams.py. Kept as-is from the campaign
branch; cleanup can happen separately on main.

.bak/nodeview/nodeviewtoolbar.h

@@ -0,0 +1,59 @@
+/*
+ * Oak Video Editor - Non-Linear Video Editor
+ * Copyright (C) 2025 Olive CE Team
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef OAK_NODEVIEWTOOLBAR_H
+#define OAK_NODEVIEWTOOLBAR_H
+
+#include <QPushButton>
+#include <QWidget>
+
+namespace olive
+{
+
+class NodeViewToolBar : public QWidget {
+	Q_OBJECT
+public:
+	NodeViewToolBar(QWidget *parent = nullptr);
+
+public slots:
+	void set_mini_map_enabled(bool e)
+	{
+		minimap_btn_->setChecked(e);
+	}
+
+signals:
+	void add_node_clicked();
+
+	void mini_map_enabled_toggled(bool e);
+
+protected:
+	virtual void changeEvent(QEvent *e) override;
+
+private:
+	void retranslate();
+
+	void update_icons();
+
+	QPushButton *add_node_btn_;
+
+	QPushButton *minimap_btn_;
+};
+
+}
+
+#endif // OAK_NODEVIEWTOOLBAR_H