diff --git a/.gitignore b/.gitignore
index 3581fd6..9095b07 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,11 @@ __pycache__/
 # Eigene Ergebnisse und Testläufe
 output/
 
+# Arbeitsordner je Video, fertige Abschriften und Quellenangaben: nur lokal
+abschriften/
+fertig/
+*.quelle.json
+
 # Echte Reden (Urheberrecht): nur lokal; die Tests nutzen tests/daten/
 testdaten/
 
diff --git a/abschrift_korrigieren.py b/abschrift_korrigieren.py
index f8c3f69..e051cb9 100755
--- a/abschrift_korrigieren.py
+++ b/abschrift_korrigieren.py
@@ -21,7 +21,9 @@ from vtt2txt import (
     add_time_options, join_segments, range_argv, resolve_time_ranges, split_segments,
     time_suffix, vtt_to_text,
 )
-from yt_untertitel import YT_DLP, base_language, default_name, original_language
+from yt_untertitel import (
+    YT_DLP, base_language, default_name, original_language, work_folder, write_source,
+)
 
 MODEL = "qwen3:32b"
 OLLAMA_URL = "http://127.0.0.1:11434/api/chat"
@@ -264,6 +266,22 @@ def read_glossary(path):
     return terms, replacements
 
 
+def video_glossary(folder):
+    """Glossary of the video in `folder`, named like the folder:
+    abschriften/<Name>/<Name>.glossar.txt; None if there is none."""
+    path = folder / f"{folder.resolve().name}.glossar.txt"
+    return path if path.is_file() else None
+
+
+def with_video_glossary(glossaries, folder):
+    """The given glossaries plus the video glossary of `folder` (last, after the
+    shared ones), unless it was given; returns (glossaries, added or None)."""
+    found = video_glossary(folder)
+    if found is None or any(g.resolve() == found.resolve() for g in glossaries):
+        return list(glossaries), None
+    return [*glossaries, found], found
+
+
 def apply_replacements(text, replacements):
     """Replace whole words in file order; report rules without any match."""
     unmatched = []
@@ -633,8 +651,8 @@ def parse_args():
     parser.add_argument(
         "-o", "--output", type=Path,
         help="Ausgabedatei (Standard: <Eingabe ohne Endung>.korrigiert.txt, "
-        "mit -u <Kanal>_<Titel>_<Datum>.korrigiert.txt; mit -z zusätzlich "
-        "die Bereiche)",
+        "mit -u abschriften/<Name>/<Name>.korrigiert.txt mit "
+        "<Name> = <Kanal>_<Titel>_<Datum>; mit -z zusätzlich die Bereiche)",
     )
     parser.add_argument(
         "-g", "--glossar", type=Path, action="append", default=[],
@@ -709,9 +727,12 @@ def read_source(args):
                 f"Der Beitrag ist auf „{lang}“; unterstützt: {', '.join(PROMPTS)} (-l)."
             )
         suffix = time_suffix(args.bereiche)
-        target = args.output or Path(f"{default_name(info)}{suffix}.korrigiert.txt")
+        name = default_name(info)
+        target = args.output or work_folder(name) / f"{name}{suffix}.korrigiert.txt"
         raw = text + "\n"
-        save_raw_text(raw_text_path(target), raw)
+        raw_path = raw_text_path(target)
+        save_raw_text(raw_path, raw)
+        write_source(info, raw_path.with_suffix(".quelle.json"))
         return raw, target, lang
 
     raw = args.input.read_text(encoding="utf-8-sig")
@@ -762,10 +783,12 @@ def main():
     parts_dir = target.with_suffix(".parts")
 
     terms, replacements = [], []
-    for glossary in args.glossar:
+    glossaries, automatic = with_video_glossary(args.glossar, target.parent)
+    for glossary in glossaries:
         more_terms, more_replacements = read_glossary(glossary)
+        note = " (Video-Glossar, automatisch)" if glossary == automatic else ""
         print(
-            f"Glossar {glossary}: {len(more_terms)} Begriffe, "
+            f"Glossar {glossary}{note}: {len(more_terms)} Begriffe, "
             f"{len(more_replacements)} feste Ersetzungen"
         )
         terms += more_terms
diff --git a/aenderungen.py b/aenderungen.py
index f2eca03..32af953 100755
--- a/aenderungen.py
+++ b/aenderungen.py
@@ -473,13 +473,16 @@ def parse_args():
 
 def main():
     # abschrift_korrigieren imports this module: import it only when needed
-    from abschrift_korrigieren import apply_replacements, read_glossary
+    from abschrift_korrigieren import apply_replacements, read_glossary, with_video_glossary
     from yt_untertitel import base_language
 
     args = parse_args()
     raw = read_raw(args.roh)
     terms, replacements = [], []
-    for glossary in args.glossar:
+    glossaries, automatic = with_video_glossary(args.glossar, args.korrigiert.parent)
+    if automatic is not None:
+        print(f"Video-Glossar (automatisch): {automatic}")
+    for glossary in glossaries:
         more_terms, more_replacements = read_glossary(glossary)
         terms += more_terms
         replacements += more_replacements
diff --git a/extract_text.py b/extract_text.py
index a4c5a76..1ba11a9 100755
--- a/extract_text.py
+++ b/extract_text.py
@@ -14,7 +14,7 @@ from vtt2txt import (
 )
 from yt_untertitel import (
     YT_DLP, choose_track, default_name, download, fetch_info, no_track_message,
-    original_language,
+    original_language, work_folder, write_source,
 )
 
 FLOW_WIDTH = 80  # Zeilenbreite für --fliesstext
@@ -31,8 +31,8 @@ def parse_args():
     )
     parser.add_argument(
         "-o", "--output", type=Path,
-        help="Ausgabedatei (Standard: <Kanal>_<Titel>_<Datum>.txt, "
-        "mit -z zusätzlich die Bereiche)",
+        help="Ausgabedatei (Standard: abschriften/<Name>/<Name>.txt mit "
+        "<Name> = <Kanal>_<Titel>_<Datum>, mit -z zusätzlich die Bereiche)",
     )
     parser.add_argument(
         "-f", "--fliesstext", action="store_true",
@@ -87,7 +87,8 @@ def main():
     args = parse_args()
     info, text = fetch_text(args.url, args.lang, args.bereiche, args.exakt)
     suffix = time_suffix(args.bereiche)
-    output = args.output or Path(f"{default_name(info)}{suffix}.txt")
+    name = default_name(info)
+    output = args.output or work_folder(name) / f"{name}{suffix}.txt"
     segments = split_segments(text)
 
     if args.fliesstext:
@@ -104,6 +105,7 @@ def main():
 
     output.parent.mkdir(parents=True, exist_ok=True)
     output.write_text(text + "\n", encoding="utf-8")
+    write_source(info, output.with_suffix(".quelle.json"))
     print(
         f"Gespeichert: {output} "
         f"({len(text.splitlines())} Zeilen, "
diff --git a/glossar_vorschlag.py b/glossar_vorschlag.py
index 2750478..28d532d 100755
--- a/glossar_vorschlag.py
+++ b/glossar_vorschlag.py
@@ -13,7 +13,7 @@ import re
 from aenderungen import compare, read_raw
 from abschrift_korrigieren import (
     MODEL, apply_replacements, chat_request, check_ollama, ollama_open, read_glossary,
-    split_chunks,
+    split_chunks, with_video_glossary,
 )
 from vtt2txt import split_segments
 
@@ -226,7 +226,10 @@ def main():
 
     raw = text
     known, replacements = set(), []
-    for glossary in args.glossar:
+    glossaries, automatic = with_video_glossary(args.glossar, args.input.parent)
+    if automatic is not None:
+        print(f"Video-Glossar (automatisch): {automatic}")
+    for glossary in glossaries:
         _, more = read_glossary(glossary)
         replacements += more
         known.update(wrong for wrong, _ in more)
diff --git a/tests/test_abschrift_korrigieren.py b/tests/test_abschrift_korrigieren.py
index 297e8d2..1783ce7 100644
--- a/tests/test_abschrift_korrigieren.py
+++ b/tests/test_abschrift_korrigieren.py
@@ -636,13 +636,63 @@ def kreml_glossary(folder):
 
 def test_main_url_default_names(from_url, tmp_path, monkeypatch):
     monkeypatch.chdir(tmp_path)
+    work = tmp_path / "abschriften" / "Kanal_Rede_2026-03-28"
     run_main(monkeypatch, "-u", URL, "-g", kreml_glossary(tmp_path))
 
-    raw = (tmp_path / "Kanal_Rede_2026-03-28.txt").read_text(encoding="utf-8")
+    raw = (work / "Kanal_Rede_2026-03-28.txt").read_text(encoding="utf-8")
     assert raw == "Der Kremmel ist in Moskau.\nDas ist bekannt.\n"
-    result = (tmp_path / "Kanal_Rede_2026-03-28.korrigiert.txt").read_text(encoding="utf-8")
+    result = (work / "Kanal_Rede_2026-03-28.korrigiert.txt").read_text(encoding="utf-8")
     assert result == "Der Kreml ist in Moskau. Das ist bekannt.\n"
-    assert (tmp_path / "Kanal_Rede_2026-03-28.aenderungen.html").is_file()
+    assert (work / "Kanal_Rede_2026-03-28.aenderungen.html").is_file()
+    source = json.loads((work / "Kanal_Rede_2026-03-28.quelle.json").read_text(encoding="utf-8"))
+    assert source["titel"] == "Rede" and source["kanal"] == "Kanal"
+    assert source["datum"] == "20260328"
+    assert source["url"] == "https://www.youtube.com/watch?v=abc123"
+
+
+def video_folder(tmp_path):
+    """abschriften/rede/ with raw text and its video glossary."""
+    folder = tmp_path / "abschriften" / "rede"
+    folder.mkdir(parents=True)
+    (folder / "rede.txt").write_text("Der Kremmel ist in Moskau.\n", encoding="utf-8")
+    (folder / "rede.glossar.txt").write_text("Kremmel => Kreml\n", encoding="utf-8")
+    return folder
+
+
+def test_main_uses_video_glossary(tmp_path, monkeypatch, capsys):
+    folder = video_folder(tmp_path)
+    monkeypatch.setattr(ak, "correct_chunk", identity_correct)
+    monkeypatch.setattr(ak, "find_paragraph_starts", every_nth_start(5))
+    run_main(monkeypatch, "-i", folder / "rede.txt")
+
+    result = (folder / "rede.korrigiert.txt").read_text(encoding="utf-8")
+    assert result == "Der Kreml ist in Moskau.\n"
+    assert "rede.glossar.txt (Video-Glossar, automatisch)" in capsys.readouterr().out
+
+
+def test_main_video_glossary_given_explicitly_counts_once(tmp_path, monkeypatch, capsys):
+    folder = video_folder(tmp_path)
+    shared = tmp_path / "gemeinsam.glossar.txt"
+    shared.write_text("Moskau\n", encoding="utf-8")
+    monkeypatch.setattr(ak, "correct_chunk", identity_correct)
+    monkeypatch.setattr(ak, "find_paragraph_starts", every_nth_start(5))
+    run_main(monkeypatch, "-i", folder / "rede.txt", "-g", shared, "-g", folder / "rede.glossar.txt")
+
+    out = capsys.readouterr().out
+    assert out.count("rede.glossar.txt") == 1
+    assert "automatisch" not in out
+    # Shared glossaries first, as given
+    assert out.index("gemeinsam.glossar.txt") < out.index("rede.glossar.txt")
+
+
+def test_with_video_glossary(tmp_path):
+    folder = video_folder(tmp_path)
+    shared = tmp_path / "gemeinsam.glossar.txt"
+    assert ak.with_video_glossary([shared], folder) == (
+        [shared, folder / "rede.glossar.txt"], folder / "rede.glossar.txt"
+    )
+    # Without a glossary named like the folder nothing is added
+    assert ak.with_video_glossary([shared], tmp_path) == ([shared], None)
 
 
 def test_main_url_output_option_and_kept_raw_text(from_url, tmp_path, monkeypatch, capsys):
@@ -762,19 +812,21 @@ def test_cli_errors(sample_copy, monkeypatch, capsys, args, message):
 
 def test_main_url_time_range_default_names(from_url, tmp_path, monkeypatch):
     monkeypatch.chdir(tmp_path)
+    work = tmp_path / "abschriften" / "Kanal_Rede_2026-03-28"
     run_main(monkeypatch, "-u", URL, "-z", "0:00:02")
 
     name = "Kanal_Rede_2026-03-28_ab_00-00-02"
-    raw = (tmp_path / f"{name}.txt").read_text(encoding="utf-8")
+    raw = (work / f"{name}.txt").read_text(encoding="utf-8")
     assert raw == "[00:00:02 - 00:00:03]\nDas ist bekannt.\n"
-    result = (tmp_path / f"{name}.korrigiert.txt").read_text(encoding="utf-8")
+    result = (work / f"{name}.korrigiert.txt").read_text(encoding="utf-8")
     assert result == "[00:00:02 - 00:00:03]\n\nDas ist bekannt.\n"
 
 
 def test_main_url_range_from_beginning(from_url, tmp_path, monkeypatch):
     monkeypatch.chdir(tmp_path)
+    work = tmp_path / "abschriften" / "Kanal_Rede_2026-03-28"
     run_main(monkeypatch, "-u", URL, "-z", "-0:00:02")
-    raw = (tmp_path / "Kanal_Rede_2026-03-28_bis_00-00-02.txt").read_text(encoding="utf-8")
+    raw = (work / "Kanal_Rede_2026-03-28_bis_00-00-02.txt").read_text(encoding="utf-8")
     assert raw == "[00:00:01 - 00:00:02]\nDer Kremmel ist in Moskau.\n"
 
 
@@ -926,14 +978,15 @@ def test_main_url_several_ranges(fake_yt_dlp, yt_dlp_installed, tmp_path, monkey
     monkeypatch.setattr(subprocess, "run", fake_yt_dlp(VIDEO, vtt=MULTI_VTT))
     sent = chunk_recorder(monkeypatch)
     monkeypatch.chdir(tmp_path)
+    work = tmp_path / "abschriften" / "Kanal_Rede_2026-03-28"
     run_main(monkeypatch, "-u", URL, "-z", "0:00:00-0:00:30 0:02", "-g", kreml_glossary(tmp_path))
 
     name = "Kanal_Rede_2026-03-28_bis_00-00-30+ab_00-02-00"
-    assert (tmp_path / f"{name}.txt").read_text(encoding="utf-8") == (
+    assert (work / f"{name}.txt").read_text(encoding="utf-8") == (
         "[00:00:01 - 00:00:02]\nDer Kremmel ist in Moskau.\n\n"
         "[00:02:00 - 00:02:01]\nDas ist bekannt.\n"
     )
-    assert (tmp_path / f"{name}.korrigiert.txt").read_text(encoding="utf-8") == (
+    assert (work / f"{name}.korrigiert.txt").read_text(encoding="utf-8") == (
         "[00:00:01 - 00:00:02]\n\nDer Kreml ist in Moskau.\n\n"
         "[00:02:00 - 00:02:01]\n\nDas ist bekannt.\n"
     )
diff --git a/tests/test_aenderungen.py b/tests/test_aenderungen.py
index ce492dd..700c610 100644
--- a/tests/test_aenderungen.py
+++ b/tests/test_aenderungen.py
@@ -321,3 +321,19 @@ def test_report_and_summary_put_word_forms_last(tmp_path, capsys):
     out = capsys.readouterr().out.split("Zu prüfen: ")[1]
     assert out.startswith("2 Stellen (davon 1 Wortformen)")
     assert out.index("Professorin") < out.index("„das“ → „dass“")
+
+
+def test_cli_uses_video_glossary(tmp_path, monkeypatch, capsys):
+    folder = tmp_path / "rede"
+    folder.mkdir()
+    raw = folder / "rede.txt"
+    raw.write_text("das Kremmel und\nBar heute\n", encoding="utf-8")
+    corrected = folder / "rede.korrigiert.txt"
+    corrected.write_text("Das Kreml und Bahr heute.\n", encoding="utf-8")
+    (folder / "rede.glossar.txt").write_text("Kremmel => Kreml\nEgon Bahr\n", encoding="utf-8")
+
+    monkeypatch.setattr(sys, "argv", ["aenderungen.py", "-a", str(raw), "-b", str(corrected)])
+    ae.main()
+    out = capsys.readouterr().out
+    assert "Video-Glossar (automatisch)" in out
+    assert "Zu prüfen: 0 Stellen" in out
diff --git a/tests/test_extract_text.py b/tests/test_extract_text.py
index 07131b9..404b1e7 100644
--- a/tests/test_extract_text.py
+++ b/tests/test_extract_text.py
@@ -1,4 +1,5 @@
 """Tests for extract_text.py; yt-dlp is always replaced by fakes (no network)."""
+import json
 import sys
 
 import pytest
@@ -38,14 +39,19 @@ def test_default_language_is_original_audio(fake_yt_dlp, tmp_path, monkeypatch,
     monkeypatch.chdir(tmp_path)
     run_main(monkeypatch, "-u", URL)
 
-    text = (tmp_path / "Kanal_Eine_Rede_2026-03-28.txt").read_text(encoding="utf-8")
+    work = tmp_path / "abschriften" / "Kanal_Eine_Rede_2026-03-28"
+    text = (work / "Kanal_Eine_Rede_2026-03-28.txt").read_text(encoding="utf-8")
     assert text == "Guten Abend.\nSchön, dass Sie da sind.\n"
     assert "de-orig" in run.calls[1]
     assert "--write-auto-subs" in run.calls[1]
     out = capsys.readouterr().out
     assert "Kanal_Eine_Rede_2026-03-28.txt (2 Zeilen, 7 Wörter)" in out
-    # Only the text file remains, no VTT
-    assert [p.name for p in tmp_path.iterdir()] == ["Kanal_Eine_Rede_2026-03-28.txt"]
+    # Only the text file and where it comes from remain, no VTT
+    assert sorted(p.name for p in work.iterdir()) == [
+        "Kanal_Eine_Rede_2026-03-28.quelle.json", "Kanal_Eine_Rede_2026-03-28.txt",
+    ]
+    source = json.loads((work / "Kanal_Eine_Rede_2026-03-28.quelle.json").read_text())
+    assert source["kanal"] == "Kanal" and source["url"].endswith("v=abc123")
 
 
 def test_default_language_ignores_dubbed_tracks(fake_yt_dlp, tmp_path, monkeypatch):
@@ -133,7 +139,8 @@ def test_time_range_default_name(fake_yt_dlp, tmp_path, monkeypatch):
     run_main(monkeypatch, "-u", URL, "-z", "0:00:02-0:00:03")
 
     name = "Kanal_Eine_Rede_2026-03-28_00-00-02_bis_00-00-03.txt"
-    assert (tmp_path / name).read_text(encoding="utf-8") == (
+    work = tmp_path / "abschriften" / "Kanal_Eine_Rede_2026-03-28"
+    assert (work / name).read_text(encoding="utf-8") == (
         "[00:00:02 - 00:00:03]\nSchön, dass Sie da sind.\n"
     )
 
@@ -183,7 +190,8 @@ def test_several_ranges_flow_text_keeps_headers(fake_yt_dlp, tmp_path, monkeypat
     run_main(monkeypatch, "-u", URL, "-z", "0:00:00-0:00:30 0:02", "-f")
 
     name = "Kanal_Eine_Rede_2026-03-28_bis_00-00-30+ab_00-02-00.txt"
-    assert (tmp_path / name).read_text(encoding="utf-8") == (
+    work = tmp_path / "abschriften" / "Kanal_Eine_Rede_2026-03-28"
+    assert (work / name).read_text(encoding="utf-8") == (
         "[00:00:01 - 00:00:02]\nErster Satz der\nRede.\n\n"
         "[00:02:00 - 00:02:01]\nDritter Satz, der\netwas länger ist.\n"
     )
diff --git a/tests/test_glossar_vorschlag.py b/tests/test_glossar_vorschlag.py
index ac86ec2..0e3913e 100644
--- a/tests/test_glossar_vorschlag.py
+++ b/tests/test_glossar_vorschlag.py
@@ -160,3 +160,18 @@ def test_time_headers_never_reach_model_or_changes(tmp_path, monkeypatch):
     draft = out.read_text(encoding="utf-8")
     assert "# ? Kremmel => Kreml   (1×)" in draft
     assert "00:0" not in draft.replace(str(raw), "")
+
+
+def test_main_uses_video_glossary(tmp_path, monkeypatch, capsys):
+    folder = tmp_path / "rede"
+    folder.mkdir()
+    raw = folder / "rede.txt"
+    raw.write_text(RAW + "\n", encoding="utf-8")
+    (folder / "rede.glossar.txt").write_text("Kremmel => Kreml\n", encoding="utf-8")
+    model = fake_model(ENTRIES)
+    monkeypatch.setattr(urllib.request, "urlopen", model)
+    run_main(monkeypatch, "-i", raw)
+
+    sent = model.calls[0]["messages"][1]["content"]
+    assert "Kreml" in sent and "Kremmel" not in sent
+    assert "Video-Glossar (automatisch)" in capsys.readouterr().out
diff --git a/tests/test_yt_untertitel.py b/tests/test_yt_untertitel.py
index 7bd446e..2049e78 100644
--- a/tests/test_yt_untertitel.py
+++ b/tests/test_yt_untertitel.py
@@ -140,8 +140,11 @@ def test_yt_dlp_runs_in_temporary_directory(fake_yt_dlp, tmp_path, monkeypatch):
 
     assert all(cwd is not None and Path(cwd) != tmp_path for cwd in run.cwds)
     template = run.calls[1][run.calls[1].index("-o") + 1]
-    assert template == f"{tmp_path / 'Rede'}.%(ext)s"
-    assert (tmp_path / "Rede.de-orig.vtt").is_file()
+    # Without -d: working folder abschriften/<Name>/, named after -n
+    work = tmp_path / "abschriften" / "Rede"
+    assert template == f"{work / 'Rede'}.%(ext)s"
+    assert (work / "Rede.de-orig.vtt").is_file()
+    assert (work / "Rede.quelle.json").is_file()
 
 
 def test_main_prefers_manual_and_default_name(fake_yt_dlp, tmp_path, monkeypatch):
diff --git a/yt_untertitel.py b/yt_untertitel.py
index 62b99bd..94c1987 100755
--- a/yt_untertitel.py
+++ b/yt_untertitel.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 """Lädt die Untertitel eines YouTube-Videos als VTT-Datei herunter (über yt-dlp),
 als Eingabe für vtt2txt.py bzw. abschrift_korrigieren.py."""
+from datetime import date
 from pathlib import Path
 import argparse
 import json
@@ -14,6 +15,7 @@ YT_DLP = "yt-dlp"
 NAME_WORD = re.compile(r"\w+(?:[-.]\w+)*")  # keeps "Krone-Schmalz", "28.03.2026"
 MAX_CHANNEL_CHARS = 40
 MAX_TITLE_CHARS = 60
+WORK_DIR = Path("abschriften")  # ein Arbeitsordner je Video: abschriften/<Name>/
 
 
 def run_yt_dlp(arguments):
@@ -112,6 +114,31 @@ def default_name(info):
     return "_".join(p for p in parts if p) or info.get("id") or "video"
 
 
+def work_folder(name):
+    """Working folder of one video: abschriften/<Name>/"""
+    return WORK_DIR / name
+
+
+def write_source(info, path):
+    """Store where a transcript comes from (<Name>.quelle.json), for the
+    header of the finished result."""
+    url = info.get("webpage_url") or (
+        f"https://www.youtube.com/watch?v={info['id']}" if info.get("id") else None
+    )
+    source = {
+        "titel": info.get("title"),
+        "kanal": info.get("channel") or info.get("uploader"),
+        "datum": info.get("upload_date"),
+        "url": url,
+        "id": info.get("id"),
+        "dauer": info.get("duration"),
+        "abgerufen": date.today().isoformat(),
+    }
+    path.parent.mkdir(parents=True, exist_ok=True)
+    path.write_text(json.dumps(source, ensure_ascii=False, indent=2) + "\n", encoding="utf-8")
+    return path
+
+
 def available_tracks(info):
     """Manual tracks and the automatic ones usable for this program."""
     manual = sorted((info.get("subtitles") or {}).keys())
@@ -164,8 +191,8 @@ def parse_args():
         "-l", "--lang", default="de", help="Sprache der Untertitel (Standard: de)"
     )
     parser.add_argument(
-        "-d", "--dir", type=Path, default=Path("."),
-        help="Zielverzeichnis (Standard: aktuelles Verzeichnis)",
+        "-d", "--dir", type=Path,
+        help="Zielverzeichnis (Standard: Arbeitsordner abschriften/<Name>/)",
     )
     args = parser.parse_args()
 
@@ -189,9 +216,12 @@ def main():
     kind = "automatische" if is_auto else "manuelle"
     print(f"Lade {kind} Untertitel „{track}“ …", flush=True)
 
-    args.dir.mkdir(parents=True, exist_ok=True)
-    target_base = args.dir / (args.name or default_name(info))
+    name = args.name or default_name(info)
+    folder = args.dir or work_folder(name)
+    folder.mkdir(parents=True, exist_ok=True)
+    target_base = folder / name
     download(args.url, track, is_auto, target_base)
+    write_source(info, folder / f"{name}.quelle.json")
 
     target = Path(f"{target_base}.{track}.vtt")
     if not target.is_file():