Add DJ curation metadata, public auto-play radio, and Lyria web controls.

Extensive per-track meta feeds DeepSeek planning. Caravan of the Night kept with electric guitar marked disliked. Sahara Saz remains gold standard. Gateway index.html auto-plays on tinqs.com.

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

songs/library_index.json

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+{
+  "updated": "2026-06-07",
+  "listener": "ozan",
+  "summary": "Five keepers. Sahara's Saz is the gold standard. Saz+ney+dub wins; thin guitar intros and fuzz electric guitar on vocal tracks lose.",
+  "global_avoid": [
+    "fuzz electric guitar on griot/vocal tracks",
+    "Tinariwen-style guitar intro without saz present",
+    "thin guitar-only openings — get to saz/ney fast"
+  ],
+  "global_love": [
+    "baglama/saz arpeggios",
+    "ney flute with dub delay",
+    "sub bass pulse",
+    "Sahel griot-style male vocal chants",
+    "whispered vocal textures",
+    "darbuka and hand percussion",
+    "warm analog dub space"
+  ],
+  "gold_standard_id": "1c1d7b8a",
+  "tracks": [
+    { "id": "1c1d7b8a", "title": "Sahara's Saz", "rating": "love" },
+    { "id": "82595273", "title": "Caravan of the Blue Hour", "rating": "keeper" },
+    { "id": "eeebb429", "title": "Desert Mirage", "rating": "keeper" },
+    { "id": "aee4994a", "title": "Nomad's Saz", "rating": "keeper" },
+    { "id": "839aa313", "title": "Caravan of the Night", "rating": "keeper" }
+  ]
+}