fix: parse imported and embedded tags like CLI arguments so hyphenated tags survive

tests/test_orvani.py

@@ -243,3 +243,14 @@ def test_import_skips_known_tags_and_empty_lines(tree):
     (tree / 'context.txt').write_text('./a.mp3 --- #lofi #snare\n./b.mp3 --- \n')
     assert OrvaniTag().load('context.txt') == [0, 'context.txt', 1]
     assert lines(tree) == ['a.mp3 --- #lofi #snare']
+
+
+def test_import_keeps_hyphenated_tags(tree):
+    (tree / 'context.txt').write_text('./a.mp3 --- @home-office #lo-fi rock+roll take-2\n')
+    assert OrvaniTag().load('context.txt')[0] == 0
+    assert lines(tree) == ['a.mp3 --- @home-office #lo-fi rock+roll take-2']
+
+
+def test_duplicate_and_bare_prefixes(tree):
+    OrvaniTag().add('a.mp3', '#lofi', '#lofi', 'C', '+', 'D')
+    assert lines(tree) == ['a.mp3 --- #lofi C + D']

tests/test_plugins.py

@@ -151,3 +151,12 @@ def test_write_ignores_configured_types_the_plugin_cannot_handle(cwd):
     OrvaniTag().add('doc.abc', '#lofi')
     assert OrvaniTag().write_metadata('doc.abc', 'pdf') == [4, ['.pdf'], 'pdf', True]
     assert (cwd / 'doc.abc').read_text() == 'not a pdf'
+
+
+def test_pdf_keeps_hyphenated_tags(cwd):
+    writer = PdfWriter()
+    writer.add_blank_page(72, 72)
+    writer.add_metadata({'/Keywords': '+side-project #lo-fi'})
+    writer.write(cwd / 'doc.pdf')
+    OrvaniTag().read_metadata('doc.pdf')
+    assert (cwd / orvani.CONTEXT_FILE).read_text() == 'doc.pdf --- +side-project #lo-fi\n'