feat: auto-add extracted/edited clips to the library + library Edit opens the editor (v1.7)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

tests/test_ui_structure.py

@@ -899,3 +899,28 @@ def test_scan_reload_selects_model_tab_not_library(win):
     assert sp._tabs.currentIndex() == 1               # a model tab is selected
     assert sp._current_table() is not None            # regions resolve immediately
     assert sp.current_model_name() == "EAT_LARGE"
+
+
+def test_open_editor_adds_saved_clip_to_library(win, tmp_path, monkeypatch):
+    import main as m
+    saved = tmp_path / "edited.wav"; saved.write_bytes(b"")
+    class FakeDlg:
+        def __init__(self, path, parent=None):
+            self._last_saved = str(saved)
+        def exec(self): return 0
+        def deleteLater(self): pass
+    monkeypatch.setattr(m, "AudioEditorDialog", FakeDlg)
+    lib = win._scan_panel._library
+    lib._key = "audio_library_l3test"                 # throwaway, avoids polluting real settings
+    win._settings.setValue("audio_library_l3test", [])
+    lib._list.clear()
+    win._open_audio_editor("/x/in.wav")
+    assert str(saved) in lib.clips()
+
+
+def test_library_edit_signal_opens_editor(win, tmp_path, monkeypatch):
+    import main as m
+    opened = []
+    monkeypatch.setattr(win, "_open_audio_editor", lambda p: opened.append(p))
+    win._scan_panel._library.edit_requested.emit("/some/clip.wav")
+    assert opened == ["/some/clip.wav"]