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              "error_type": "api_error",
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              "attempt": 2
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  "resume": {
    "status": "success",
    "returncode": 0,
    "stdout_tail": "official 503 on key #1, will retry...\n  🔄 Retry 1/3 in 10s...\n  ⚠️ Gemini official 503 on key #2, will retry...\n  🔄 Retry 2/3 in 20s...\n  📊 Gemini official: 55s | prompt_tokens=8687 completion=1304\n[10:26:34] ✅ [06_国际孤独等级_20260406] Step 1: 55.2s | prompt=976c | prompt_ok=True lyrics_ok=True\n[10:26:34] 🤖 [06_国际孤独等级_20260406] Step 2 API: 25367 chars ≈ 6341 tokens → claude-sonnet-4-6\n  📊 Gemini official: 48s | prompt_tokens=9239 completion=1353\n[10:26:46] ✅ [05_用背脊唱情歌_20260406] Step 1: 47.7s | prompt=899c | prompt_ok=True lyrics_ok=True\n[10:26:46] 🤖 [05_用背脊唱情歌_20260406] Step 2 API: 25700 chars ≈ 6425 tokens → claude-sonnet-4-6\n  ✅ submitted: ['c5f5b0c9', '4fe1f917']\n  🎵 c5f5b0c9... → streaming\n  🎵 4fe1f917... → streaming\n[10:27:06] ✅ [06_国际孤独等级_20260406] Step 2 API: 《深夜便利店》 | 31.6s | in=14835 out=2037 | ~$0.075\n[10:27:06] ✅ [06_国际孤独等级_20260406] Step 2.5: originality 88% ✓\n[10:27:06] ✅ [06_国际孤独等级_20260406] Step 2: 《深夜便利店》\n[10:27:06] 📁 [06_国际孤独等级_20260406] Renamed → 06_国际孤独等级_深夜便利店_20260406\n  📝 [06_国际孤独等级_深夜便利店_20260406] lyrics stripped: 2720c → 400c\n[10:27:06] 🎵 [06_国际孤独等级_深夜便利店_20260406] Step 3: Suno generation...\n[10:27:06] 🎨 [06_国际孤独等级_深夜便利店_20260406] Step 4: SeeDream cover (parallel)...\n  ✅ submitted: ['acc9f38d', '1e299b48']\n  🎵 acc9f38d... → streaming\n  🎵 1e299b48... → streaming\n[10:27:30] ⚠️  [05_用背脊唱情歌_20260406] Step 2 API: originality 72% < 85% | 1 copied phrases\n          ❗ \"; Lush string section enters with sustained pads; Piano becomes more rhythmic)\" ~ \"; Lush string section enters with sustained pads; Piano becomes more rhythmic)\" (100%)\n[10:27:30] 🔄 [05_用背脊唱情歌_20260406] Step 2 API: originality retry 1/3...\n[10:28:21] ⚠️  [05_用背脊唱情歌_20260406] Step 2 API originality retry 1 failed: Expecting value: line 1 column 1 (char 0)\n[10:28:21] ⚠️  [05_用背脊唱情歌_20260406] Step 2 API: best originality 72% after 3 retries\n[10:28:21] ✅ [05_用背脊唱情歌_20260406] Step 2 API: 《候鸟归处》 | 43.6s | in=14914 out=2205 | ~$0.078\n[10:28:21] ⚠️  [05_用背脊唱情歌_20260406] Step 2.5: originality 72% < 75% | 1 copied phrases\n          ❗ \"; Lush string section enters with sustained pads; Piano becomes more rhythmic)\" ~ \"; Lush string section enters with sustained pads; Piano becomes more rhythmic)\" (100%)\n[10:28:21] 🔄 [05_用背脊唱情歌_20260406] Step 2: moved to step2_json_b_orig72.json, needs re-run with stricter prompt\n  🎵 1e299b48... → complete\n  🎵 c5f5b0c9... → complete\n  🎵 4fe1f917... → complete\n[10:29:23]    🎧 [04_劲浪漫 超温馨_20260406] Song 1: https://cdn1.suno.ai/c5f5b0c9-dc55-41fc-b469-85542e669126.mp3\n[10:29:23]    🎧 [04_劲浪漫 超温馨_20260406] Song 2: https://cdn1.suno.ai/4fe1f917-568b-4187-b105-fec797ae63e0.mp3\n[10:29:23] 🎛️ [04_劲浪漫 超温馨_20260406] Step 3.5: 混音...\n[10:29:49]    🎚️ [04_劲浪漫 超温馨_20260406] Song 1: pop | 低45/中52/高3%\n  🎵 acc9f38d... → complete\n[10:29:50]    🎧 [06_国际孤独等级_深夜便利店_20260406] Song 1: https://cdn1.suno.ai/acc9f38d-72c0-4bc5-8991-3aa23ee4aa15.mp3\n[10:29:50]    🎧 [06_国际孤独等级_深夜便利店_20260406] Song 2: https://cdn1.suno.ai/1e299b48-1926-4d2f-b869-21669d8b1361.mp3\n[10:29:50] 🎛️ [06_国际孤独等级_深夜便利店_20260406] Step 3.5: 混音...\n[10:30:12]    🎚️ [04_劲浪漫 超温馨_20260406] Song 2: pop | 低56/中41/高4%\n[10:30:12] ✅ [04_劲浪漫 超温馨_20260406] Step 3.5: 48.5s | 2 songs mixed\n[10:30:29]    🎚️ [06_国际孤独等级_深夜便利店_20260406] Song 1: pop | 低41/中55/高4%\n[10:30:29] ✅ [04_劲浪漫 超温馨_20260406] Step 4: 11.4s | /srv/music-files-platform-next/pipeline/batch-20260406-100702-910e74/04_劲浪漫 超温馨_20260406/cover_seedream.jpg\n[10:30:43]    🎚️ [06_国际孤独等级_深夜便利店_20260406] Song 2: pop | 低39/中58/高3%\n[10:30:43] ✅ [06_国际孤独等级_深夜便利店_20260406] Step 3.5: 53.5s | 2 songs mixed\n[10:30:44] ✅ [06_国际孤独等级_深夜便利店_20260406] Step 4: 16.4s | /srv/music-files-platform-next/pipeline/batch-20260406-100702-910e74/06_国际孤独等级_深夜便利店_20260406/cover_seedream.jpg\n\n======================================================================\nSUMMARY | 328s (5.5min)\n======================================================================\n✅ Done: 6 | ⏳ Awaiting Step 2: 0 | ❌ Failed: 1\n[MasterDB] ✅ 批次 batch-20260406-100702-910e74 → +1 新增, ~7 更新 | 总计 339 首\n",
    "stderr_tail": "",
    "summary": {
      "timestamp": "2026-04-06T10:30:44.321273+08:00",
      "wall_clock": 328.4,
      "total": 7,
      "success": 6,
      "awaiting_step2": 0,
      "failed": 1
    }
  },
  "status": "partial_failure"
}