Fix generation JSON/Lyria errors, add Winamp player, and ship Echoes of the Sahel.

Harden DeepSeek JSON parsing with retry, pre-sanitize Lyria prompts, and instrumental fallback. Add pure HTML Winamp skin at /winamp with playlist export support.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_web_playlist.py

@@ -3,7 +3,12 @@ from __future__ import annotations
 import json
 from pathlib import Path
 
-from ozan_radio.web_playlist import PLAYLIST_MARKER, build_playlist_payload, export_gateway_playlist
+from ozan_radio.web_playlist import (
+    PLAYLIST_MARKER,
+    build_playlist_payload,
+    embed_playlist_in_html,
+    export_gateway_playlist,
+)
 
 
 def test_build_playlist_payload_excludes_skip(songs_dir: Path):
@@ -14,6 +19,13 @@ def test_build_playlist_payload_excludes_skip(songs_dir: Path):
     assert payload["tracks"][0]["url"].startswith("https://tinqs.com/tinqs/live-radio/media/")
 
 
+def test_embed_playlist_in_html_replaces_marker():
+    html = f"<script>{PLAYLIST_MARKER}\n{{}}\n{PLAYLIST_MARKER}</script>"
+    out = embed_playlist_in_html(html, {"tracks": [{"id": "abc"}]})
+    assert '"abc"' in out
+    assert PLAYLIST_MARKER in out
+
+
 def test_export_gateway_playlist_writes_json_and_embeds(tmp_path: Path, songs_dir: Path):
     gateway = tmp_path / "gateway"
     gateway.mkdir()
@@ -22,6 +34,11 @@ def test_export_gateway_playlist_writes_json_and_embeds(tmp_path: Path, songs_di
         f"<script>\n{PLAYLIST_MARKER}\n{{}}\n{PLAYLIST_MARKER}\n</script>\n",
         encoding="utf-8",
     )
+    winamp = gateway / "winamp.html"
+    winamp.write_text(
+        f"<script>\n{PLAYLIST_MARKER}\n{{}}\n{PLAYLIST_MARKER}\n</script>\n",
+        encoding="utf-8",
+    )
     (tmp_path / "songs").mkdir(exist_ok=True)
     for f in songs_dir.iterdir():
         dest = tmp_path / "songs" / f.name
@@ -34,3 +51,5 @@ def test_export_gateway_playlist_writes_json_and_embeds(tmp_path: Path, songs_di
     html = index.read_text(encoding="utf-8")
     assert "11111111" in html
     assert PLAYLIST_MARKER in html
+    whtml = winamp.read_text(encoding="utf-8")
+    assert "11111111" in whtml