feat: '＋ To library' — add the current audio area straight to the clip library

tests/test_ui_structure.py

@@ -448,6 +448,38 @@ def test_extract_no_edits_passes_no_filters(win, monkeypatch, tmp_path):
     assert seen["filters"] is None
 
 
+def test_add_selection_to_library(win, tmp_path, monkeypatch):
+    import main as m
+    win._file_path = "/vids/Chloe.mp4"
+    win._cursor = 7.0
+    win._spn_audio_len.setValue(3.0)
+    win._settings.setValue("audio_extract_dir", str(tmp_path))
+    win._settings.setValue("audio_library_dir", "")          # force derive
+    seen = {}
+    def fake_cmd(inp, start, dur, out, filters=None):
+        seen["out"] = out; seen["start"] = start; seen["dur"] = dur; return ["true"]
+    monkeypatch.setattr(m, "build_audio_clip_command", fake_cmd)
+    monkeypatch.setattr(m.subprocess, "run",
+                        lambda *a, **k: type("P", (), {"returncode": 0})())
+    monkeypatch.setattr(m.os.path, "exists", lambda p: True)
+    monkeypatch.setattr(m, "probe_duration", lambda p: 3.0)
+    lib = win._scan_panel._library
+    lib._key = "audio_library_addsel_test"
+    win._settings.setValue(lib._key, [])
+    lib._list.clear()
+    win._on_add_selection_to_library()
+    # rendered the current area with the managed-folder auto-name
+    assert seen["start"] == 7.0 and seen["dur"] == 3.0
+    assert os.path.join("audio_library", "Chloe_7.00-10.00s.wav") in seen["out"]
+    # and it was added to the library
+    assert seen["out"] in lib.clips()
+
+
+def test_add_selection_to_library_no_file_safe(win):
+    win._file_path = ""
+    win._on_add_selection_to_library()      # must not raise
+
+
 def test_waveform_strip_present_and_safe(win):
     from PyQt6.QtWidgets import QPushButton
     assert win._wave is not None