Add paired audio models for G038_twin_truck_rescue (20261105)

outputs/G038_twin_truck_rescue/assets/audio/G038_sfx_001/audio__sfx_eleven_v2.wav

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outputs/G038_twin_truck_rescue/assets/audio/G038_sfx_001/audio__sfx_stable_audio_3_large.wav

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+size 192078

outputs/G038_twin_truck_rescue/assets/audio/G038_sfx_001/meta.json

@@ -138,5 +138,114 @@
     "issues": [],
     "authorization_file": "/home/yyy/bench/audio_production/20261017_verified/autonomous_completion_authorization.json",
     "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": {
+    "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.",
+    "original_source_task_unchanged": true,
+    "primary_asset_fields_preserved": true,
+    "source_commit": "fcada1549f7db691018aba699e8c7c6d3058b044",
+    "upload_contract_verified_commit": "e24e43311596b4b78ce92873ec445cce8550a358",
+    "duration_policy": "User-authorized clamp: WaveSpeed ElevenSFX0.5-22seconds; StableAudio1-380seconds. Native actual duration retained. Speech has no fixed total-duration postprocessing.",
+    "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": {
+      "default": {
+        "actual_prompt_or_text_equal": true,
+        "requested_duration_equal": false
+      }
+    },
+    "quality_boundary": "API completion and file integrity do not imply human listening approval or exact original-task duration compliance.",
+    "results": [
+      {
+        "method_key": "sfx_eleven_v2",
+        "model_id": "elevenlabs/sound-effects-v2",
+        "provider": "WaveSpeed",
+        "variant": "default",
+        "file": "audio__sfx_eleven_v2.wav",
+        "sha256": "939a6330f330951eeedeacb5b5f84e7f012b0b142ead0f3f08bbd21dd8e51c66",
+        "sample_rate": 48000,
+        "channels": 2,
+        "duration_sec": 0.48,
+        "original_target_duration_sec": 0.4,
+        "requested_duration_sec": 0.5,
+        "duration_request_adjusted_to_endpoint_range": true,
+        "semantic_prompt_reworded": false,
+        "actual_prompt_differs_from_source": false,
+        "original_task_prompt_or_text": "Synchronized start countdown beep with a clear low tail for both clients",
+        "actual_prompt_or_text": "Synchronized start countdown beep with a clear low tail for both clients",
+        "generation_request": {
+          "prompt": "Synchronized start countdown beep with a clear low tail for both clients",
+          "duration": 0.5,
+          "loop": false,
+          "prompt_influence": 0.3
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+        "generation_id": "06005e91af9b478792ba829df79fe078",
+        "source_result_status": "GENERATED",
+        "recovery_condition": null,
+        "human_review": "NOT_HUMAN_REVIEWED_USER_DELEGATED_GENERATION",
+        "source_waveform_preserved": true,
+        "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.",
+        "raw_audio_sha256": "59c1ac85b855bc5bb9c633fa3fd16c0653c3191ed5750476f0e26ad1657df869",
+        "original_source_commit": "fcada1549f7db691018aba699e8c7c6d3058b044",
+        "submitted_at": "2026-11-04T15:53:29.850388+00:00",
+        "completed_at": "2026-11-04T15:53:37.159731+00:00",
+        "cost": {
+          "new_fee_usd": "0.0011",
+          "fee_basis": "Settled provider prediction ledger as displayed; rounding differs from precise quote/account debit",
+          "fee_status": "SETTLED_LEDGER_DISPLAYED_PRECISION",
+          "precise_quote_or_fixed_rate_usd": "0.00110",
+          "historical_reuse": false,
+          "comparison_budget_boundary": "Duration differs from source task and may differ between model groups; not a matched-duration result."
+        },
+        "observed_latency_sec_including_network": 7.309343
+      },
+      {
+        "method_key": "sfx_stable_audio_3_large",
+        "model_id": "stable-audio-3",
+        "provider": "Stability",
+        "variant": "default",
+        "file": "audio__sfx_stable_audio_3_large.wav",
+        "sha256": "64cf8eca3a033439c1832f347ac120a192688c9b174fdac1b724acc861720fa1",
+        "sample_rate": 48000,
+        "channels": 2,
+        "duration_sec": 1.0,
+        "original_target_duration_sec": 0.4,
+        "requested_duration_sec": 1,
+        "duration_request_adjusted_to_endpoint_range": true,
+        "semantic_prompt_reworded": false,
+        "actual_prompt_differs_from_source": false,
+        "original_task_prompt_or_text": "Synchronized start countdown beep with a clear low tail for both clients",
+        "actual_prompt_or_text": "Synchronized start countdown beep with a clear low tail for both clients",
+        "generation_request": {
+          "model": "stable-audio-3",
+          "prompt": "Synchronized start countdown beep with a clear low tail for both clients",
+          "duration": 1,
+          "seed": 5381,
+          "output_format": "wav",
+          "steps": 8,
+          "cfg_scale": 1
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+        "generation_id": "1160df183a806f1e6d37a0db83bd0f5961271a296644f1d798a9921f726d9643",
+        "source_result_status": "GENERATED",
+        "recovery_condition": null,
+        "human_review": "NOT_HUMAN_REVIEWED_USER_DELEGATED_GENERATION",
+        "source_waveform_preserved": true,
+        "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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+        "original_source_commit": "fcada1549f7db691018aba699e8c7c6d3058b044",
+        "submitted_at": "2026-11-04T15:56:43.646706+00:00",
+        "completed_at": "2026-11-04T15:56:50.552124+00:00",
+        "cost": {
+          "new_fee_usd": "0.08",
+          "fee_basis": "Fixed8credits/success; batch closing account debit independently verified",
+          "fee_status": "SETTLED_FIXED_RATE_ACCOUNT_RECONCILED",
+          "precise_quote_or_fixed_rate_usd": ".08",
+          "historical_reuse": false,
+          "comparison_budget_boundary": "Duration differs from source task and may differ between model groups; not a matched-duration result."
+        },
+        "observed_latency_sec_including_network": 6.905418
+      }
+    ]
   }
 }

outputs/G038_twin_truck_rescue/assets/audio/G038_sfx_002/audio__sfx_eleven_v2__critical.wav

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+size 230478

outputs/G038_twin_truck_rescue/assets/audio/G038_sfx_002/audio__sfx_eleven_v2__slack.wav

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+size 230478

outputs/G038_twin_truck_rescue/assets/audio/G038_sfx_002/audio__sfx_eleven_v2__tension.wav

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+size 230478

outputs/G038_twin_truck_rescue/assets/audio/G038_sfx_002/audio__sfx_stable_audio_3_large__critical.wav

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+size 192078

outputs/G038_twin_truck_rescue/assets/audio/G038_sfx_002/audio__sfx_stable_audio_3_large__slack.wav

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outputs/G038_twin_truck_rescue/assets/audio/G038_sfx_002/audio__sfx_stable_audio_3_large__tension.wav

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outputs/G038_twin_truck_rescue/assets/audio/G038_sfx_002/meta.json

@@ -400,5 +400,300 @@
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     "basis": "Use the user-approved W01 tension anchor as the primary file; all three state-specific originals remain unchanged."
+  },
+  "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.",
+    "original_source_task_unchanged": true,
+    "primary_asset_fields_preserved": true,
+    "source_commit": "fcada1549f7db691018aba699e8c7c6d3058b044",
+    "upload_contract_verified_commit": "e24e43311596b4b78ce92873ec445cce8550a358",
+    "duration_policy": "User-authorized clamp: WaveSpeed ElevenSFX0.5-22seconds; StableAudio1-380seconds. Native actual duration retained. Speech has no fixed total-duration postprocessing.",
+    "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": {
+      "critical": {
+        "actual_prompt_or_text_equal": true,
+        "requested_duration_equal": true
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+        "requested_duration_equal": true
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+      "tension": {
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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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+        "sha256": "555d5c1418d1249f7e2f48b344b4e385b17976a8217cd5f3c166fa83d35189a1",
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+        "channels": 2,
+        "duration_sec": 1.2,
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+        "requested_duration_sec": 1.2,
+        "duration_request_adjusted_to_endpoint_range": false,
+        "semantic_prompt_reworded": false,
+        "actual_prompt_differs_from_source": true,
+        "original_task_prompt_or_text": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical",
+        "actual_prompt_or_text": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical\nVariant: cable near critical tension, strained creak.",
+        "generation_request": {
+          "prompt": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical\nVariant: cable near critical tension, strained creak.",
+          "duration": 1.2,
+          "loop": false,
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+        "generation_id": "a16d13c3c687423ca501d3b0029a8850",
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+        "original_source_commit": "fcada1549f7db691018aba699e8c7c6d3058b044",
+        "submitted_at": "2026-11-04T15:18:13.833239+00:00",
+        "completed_at": "2026-11-04T15:18:20.375982+00:00",
+        "cost": {
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+          "fee_basis": "Settled provider prediction ledger as displayed; rounding differs from precise quote/account debit",
+          "fee_status": "SETTLED_LEDGER_DISPLAYED_PRECISION",
+          "precise_quote_or_fixed_rate_usd": "0.00264",
+          "historical_reuse": false,
+          "comparison_budget_boundary": null
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+      },
+      {
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+        "model_id": "elevenlabs/sound-effects-v2",
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+        "actual_prompt_differs_from_source": true,
+        "original_task_prompt_or_text": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical",
+        "actual_prompt_or_text": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical\nVariant: slack cable with loose, light ratchet clicks.",
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+          "prompt": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical\nVariant: slack cable with loose, light ratchet clicks.",
+          "duration": 1.2,
+          "loop": false,
+          "prompt_influence": 0.3
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+        "original_source_commit": "fcada1549f7db691018aba699e8c7c6d3058b044",
+        "submitted_at": "2026-11-04T15:18:20.133114+00:00",
+        "completed_at": "2026-11-04T15:18:26.910001+00:00",
+        "cost": {
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+          "fee_basis": "Settled provider prediction ledger as displayed; rounding differs from precise quote/account debit",
+          "fee_status": "SETTLED_LEDGER_DISPLAYED_PRECISION",
+          "precise_quote_or_fixed_rate_usd": "0.00264",
+          "historical_reuse": false,
+          "comparison_budget_boundary": null
+        },
+        "observed_latency_sec_including_network": 6.776887
+      },
+      {
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+        "model_id": "elevenlabs/sound-effects-v2",
+        "provider": "WaveSpeed",
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+        "duration_request_adjusted_to_endpoint_range": false,
+        "semantic_prompt_reworded": false,
+        "actual_prompt_differs_from_source": true,
+        "original_task_prompt_or_text": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical",
+        "actual_prompt_or_text": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical\nVariant: taut cable under steady tension.",
+        "generation_request": {
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+          "duration": 1.2,
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+        "original_source_commit": "fcada1549f7db691018aba699e8c7c6d3058b044",
+        "submitted_at": "2026-11-04T15:18:20.919383+00:00",
+        "completed_at": "2026-11-04T15:18:27.467443+00:00",
+        "cost": {
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+          "fee_basis": "Settled provider prediction ledger as displayed; rounding differs from precise quote/account debit",
+          "fee_status": "SETTLED_LEDGER_DISPLAYED_PRECISION",
+          "precise_quote_or_fixed_rate_usd": "0.00264",
+          "historical_reuse": false,
+          "comparison_budget_boundary": null
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+        "observed_latency_sec_including_network": 6.54806
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+      {
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+        "model_id": "stable-audio-3",
+        "provider": "Stability",
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+        "original_task_prompt_or_text": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical",
+        "actual_prompt_or_text": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical\nVariant: cable near critical tension, strained creak.",
+        "generation_request": {
+          "model": "stable-audio-3",
+          "prompt": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical\nVariant: cable near critical tension, strained creak.",
+          "duration": 1.2,
+          "seed": 5382,
+          "output_format": "wav",
+          "steps": 8,
+          "cfg_scale": 1
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+        "original_source_commit": "fcada1549f7db691018aba699e8c7c6d3058b044",
+        "submitted_at": "2026-11-04T15:06:12.166811+00:00",
+        "completed_at": "2026-11-04T15:06:19.084500+00:00",
+        "cost": {
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+          "fee_basis": "Fixed8credits/success; batch closing account debit independently verified",
+          "fee_status": "SETTLED_FIXED_RATE_ACCOUNT_RECONCILED",
+          "precise_quote_or_fixed_rate_usd": "0.08",
+          "historical_reuse": false,
+          "comparison_budget_boundary": null
+        },
+        "observed_latency_sec_including_network": 6.917689
+      },
+      {
+        "method_key": "sfx_stable_audio_3_large",
+        "model_id": "stable-audio-3",
+        "provider": "Stability",
+        "variant": "slack",
+        "file": "audio__sfx_stable_audio_3_large__slack.wav",
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+        "duration_request_adjusted_to_endpoint_range": false,
+        "semantic_prompt_reworded": false,
+        "actual_prompt_differs_from_source": true,
+        "original_task_prompt_or_text": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical",
+        "actual_prompt_or_text": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical\nVariant: slack cable with loose, light ratchet clicks.",
+        "generation_request": {
+          "model": "stable-audio-3",
+          "prompt": "Steel winch cable creak and ratchet clicks with layered tension variants from slack to critical\nVariant: slack cable with loose, light ratchet clicks.",
+          "duration": 1.2,
+          "seed": 5382,
+          "output_format": "wav",
+          "steps": 8,
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+        "source_result_status": "GENERATED",
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+        "human_review": "NOT_HUMAN_REVIEWED_USER_DELEGATED_GENERATION",
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