Add song library with Git LFS, DJ chat, and tinqs/live-radio publish path.

Songs persist under songs/ (MP3 via LFS, metadata in git). Player shows saved library.

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

songs/README.md

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+# Song library
+
+Every generated track is saved here:
+
+| File | Git | Contents |
+|------|-----|----------|
+| `{id}_{title}.mp3` | **LFS** | Audio (~2 MB per track) |
+| `{id}.meta.json` | plain git | Title, mood, DJ line, Lyria prompt, lyrics, timestamp |
+| `manifest.json` | plain git | Queue index |
+
+**Clone with LFS:**
+
+```bash
+git lfs install
+git clone git@ssh.tinqs.com:tinqs/live-radio.git
+```
+
+Friends get the same saved songs after pull. New generations are committed the same way — `*.mp3` via LFS, metadata as normal files.

songs/b51b1cb2.meta.json

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+{
+  "id": "b51b1cb2",
+  "title": "Sahara Moon",
+  "mood": "",
+  "dj_line": "Restored from cache.",
+  "lyria_prompt": "",
+  "lyrics": "",
+  "file": "b51b1cb2_Sahara_Moon.mp3",
+  "saved_at": "2026-06-07T13:04:14.135971+00:00"
+}

songs/b548d6a6.meta.json

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+{
+  "id": "b548d6a6",
+  "title": "Dune Chant",
+  "mood": "rolling desert pulse with call-and-response",
+  "dj_line": "Sahel breeze right through the speakers \u2014 let the sand dance.",
+  "lyria_prompt": "A 1-2 minute instrumental track in the style of Sahelian desert blues. Acoustic guitar (kora-like fingerpicking), hand percussion (djembe and calabash), and a warm bass line. Slow-medium tempo (90 BPM), spiritual yet danceable energy. Call-and-response vocal samples woven into the texture, evoking griot traditions. Build from sparse to full, then ease out. No sharp transitions, keep a rolling, hypnotic groove.",
+  "lyrics": "[[A0]]\n[[B1]]\n[16.0:] Ah-lay-la, ay-oh... (ay-oh)\n[:] Ah-lay-la, ay-oh... (ay-oh)\n[:] The spirits wake in the morning light,\n[:] Moving through the sand,\n[:] (Moving through the sand).\n[[C2]]\n[48.0:] Oh-lay-ka, ho-lay-ka!\n[:] Oh-lay-ka, ho-lay-ka!\n[:] Feel the heartbeat in the soil!\n[:] Feel the heartbeat in the soil!\n[:] From the river to the dune!\n[:] We are chanting with the sun!\n[:] We are chanting with the sun!\n[[D3]]\n[80.0:] (Mmm-hmmm...)\n[:] (Aaaa-la-ma...)\n[:] (Aaaa-la-ma...)",
+  "file": "b548d6a6_Dune_Chant.mp3",
+  "saved_at": "2026-06-07T13:06:11.955590+00:00"
+}

songs/manifest.json

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+{
+  "index": 1,
+  "count": 2,
+  "tracks": [
+    {
+      "id": "b51b1cb2",
+      "title": "Sahara Moon",
+      "mood": "",
+      "dj_line": "Restored from cache.",
+      "lyria_prompt": "",
+      "lyrics": "",
+      "file": "b51b1cb2_Sahara_Moon.mp3"
+    },
+    {
+      "id": "b548d6a6",
+      "title": "Dune Chant",
+      "mood": "rolling desert pulse with call-and-response",
+      "dj_line": "Sahel breeze right through the speakers \u2014 let the sand dance.",
+      "lyria_prompt": "A 1-2 minute instrumental track in the style of Sahelian desert blues. Acoustic guitar (kora-like fingerpicking), hand percussion (djembe and calabash), and a warm bass line. Slow-medium tempo (90 BPM), spiritual yet danceable energy. Call-and-response vocal samples woven into the texture, evoking griot traditions. Build from sparse to full, then ease out. No sharp transitions, keep a rolling, hypnotic groove.",
+      "lyrics": "[[A0]]\n[[B1]]\n[16.0:] Ah-lay-la, ay-oh... (ay-oh)\n[:] Ah-lay-la, ay-oh... (ay-oh)\n[:] The spirits wake in the morning light,\n[:] Moving through the sand,\n[:] (Moving through the sand).\n[[C2]]\n[48.0:] Oh-lay-ka, ho-lay-ka!\n[:] Oh-lay-ka, ho-lay-ka!\n[:] Feel the heartbeat in the soil!\n[:] Feel the heartbeat in the soil!\n[:] From the river to the dune!\n[:] We are chanting with the sun!\n[:] We are chanting with the sun!\n[[D3]]\n[80.0:] (Mmm-hmmm...)\n[:] (Aaaa-la-ma...)\n[:] (Aaaa-la-ma...)",
+      "file": "b548d6a6_Dune_Chant.mp3"
+    }
+  ]
+}