Add paired audio models for G048_polar_return_trek (20261105)

outputs/G048_polar_return_trek/assets/audio/G048_sfx_001/audio__sfx_eleven_v2.wav

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outputs/G048_polar_return_trek/assets/audio/G048_sfx_001/audio__sfx_stable_audio_3_large.wav

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outputs/G048_polar_return_trek/assets/audio/G048_sfx_001/meta.json

@@ -136,5 +136,114 @@
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     "screening_file": "/home/yyy/bench/audio_production/20261017_verified/autonomous_repair/G048_polar_return_trek/screening.json",
     "human_listening_claimed": false
+  },
+  "model_comparison": {
+    "schema_version": "audio_model_comparison_v1",
+    "delivery_id": "20261105_md_models",
+    "scope": "Generation-only supplemental model comparison. Native duration and prompt deviations explicitly declared; not formal scoring or game playback verification.",
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+    "prompt_policy": "38 tasks use a transparent acoustic paraphrase in both model groups after original-prompt moderation refusals. Other source input conditions preserved. Original text remains in source_task and each result.",
+    "paired_variants": {
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+        "actual_prompt_or_text_equal": true,
+        "requested_duration_equal": true
+      }
+    },
+    "quality_boundary": "API completion and file integrity do not imply human listening approval or exact original-task duration compliance.",
+    "results": [
+      {
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+        "model_id": "elevenlabs/sound-effects-v2",
+        "provider": "WaveSpeed",
+        "variant": "default",
+        "file": "audio__sfx_eleven_v2.wav",
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+        "semantic_prompt_reworded": false,
+        "actual_prompt_differs_from_source": false,
+        "original_task_prompt_or_text": "Crunching snow footsteps at walking pace",
+        "actual_prompt_or_text": "Crunching snow footsteps at walking pace",
+        "generation_request": {
+          "prompt": "Crunching snow footsteps at walking pace",
+          "duration": 1.0,
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+          "prompt_influence": 0.3
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+          "comparison_budget_boundary": null
+        },
+        "observed_latency_sec_including_network": 6.549027
+      },
+      {
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+        "model_id": "stable-audio-3",
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+        "original_task_prompt_or_text": "Crunching snow footsteps at walking pace",
+        "actual_prompt_or_text": "Crunching snow footsteps at walking pace",
+        "generation_request": {
+          "model": "stable-audio-3",
+          "prompt": "Crunching snow footsteps at walking pace",
+          "duration": 1.0,
+          "seed": 5481,
+          "output_format": "wav",
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+        "processing": "Whole-file decode and sample-rate conversion only, or exact-byte reuse. No cropping, padding, gain normalization, time stretch, loop concatenation or seam repair.",
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+        "submitted_at": "2026-11-04T15:08:26.902124+00:00",
+        "completed_at": "2026-11-04T15:08:33.570086+00:00",
+        "cost": {
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+          "fee_status": "SETTLED_FIXED_RATE_ACCOUNT_RECONCILED",
+          "precise_quote_or_fixed_rate_usd": "0.08",
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+          "comparison_budget_boundary": null
+        },
+        "observed_latency_sec_including_network": 6.667962
+      }
+    ]
   }
 }

outputs/G048_polar_return_trek/assets/audio/G048_sfx_002/audio__sfx_eleven_v2.wav

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outputs/G048_polar_return_trek/assets/audio/G048_sfx_002/audio__sfx_stable_audio_3_large.wav

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outputs/G048_polar_return_trek/assets/audio/G048_sfx_002/meta.json

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     "basis": "Whole PCM integrity, canonical source, original source-family/ASR evidence, native duration and loop diagnostics. No waveform modification or human listening claimed."
+  },
+  "model_comparison": {
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+    "delivery_id": "20261105_md_models",
+    "scope": "Generation-only supplemental model comparison. Native duration and prompt deviations explicitly declared; not formal scoring or game playback verification.",
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+    "prompt_policy": "38 tasks use a transparent acoustic paraphrase in both model groups after original-prompt moderation refusals. Other source input conditions preserved. Original text remains in source_task and each result.",
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+        "requested_duration_equal": true
+      }
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+    "quality_boundary": "API completion and file integrity do not imply human listening approval or exact original-task duration compliance.",
+    "results": [
+      {
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+        "model_id": "elevenlabs/sound-effects-v2",
+        "provider": "WaveSpeed",
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+        "actual_prompt_differs_from_source": true,
+        "original_task_prompt_or_text": "Lighter crisp footsteps on ice",
+        "actual_prompt_or_text": "Lighter crisp footsteps on ice. Clear isolated sound starting promptly and ending naturally.",
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+          "prompt": "Lighter crisp footsteps on ice. Clear isolated sound starting promptly and ending naturally.",
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+        }
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+        "observed_latency_sec_including_network": 7.337026
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 }

outputs/G048_polar_return_trek/assets/audio/G048_sfx_003/audio__sfx_eleven_v2.wav

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outputs/G048_polar_return_trek/assets/audio/G048_sfx_003/meta.json

@@ -135,5 +135,114 @@
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     "basis": "Whole PCM integrity, canonical source, original source-family/ASR evidence, native duration and loop diagnostics. No waveform modification or human listening claimed."
+  },
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+    "scope": "Generation-only supplemental model comparison. Native duration and prompt deviations explicitly declared; not formal scoring or game playback verification.",
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+        "requested_duration_equal": true
+      }
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+    "quality_boundary": "API completion and file integrity do not imply human listening approval or exact original-task duration compliance.",
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+        "original_task_prompt_or_text": "Stake punching into packed snow",
+        "actual_prompt_or_text": "Stake punching into packed snow. Clear isolated sound starting promptly and ending naturally.",
+        "generation_request": {
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+        }
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+        },
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 }

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outputs/G048_polar_return_trek/assets/audio/G048_sfx_004/audio__sfx_stable_audio_3_large.wav

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     "basis": "Whole PCM integrity, canonical source, original source-family/ASR evidence, native duration and loop diagnostics. No waveform modification or human listening claimed."
+  },
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 }