{
  "schema_version": 1,
  "concept_key": "on",
  "video_count": 3,
  "scripts": [
    {
      "video_key": "on_context_01",
      "purpose": "model",
      "duration_seconds": 8,
      "format": "16:9 landscape",
      "frame_rate": "25 or 30 fps constant",
      "resolution": "1920x1080 minimum",
      "reference_setup_image": "on_context_01_setup_01.png",
      "reference_concept_image": "../images/on_isolated_01.png",
      "story_summary": "A 5-8 second slow reveal and natural interaction with on, keeping the target in frame.",
      "setting": "plain warm-white studio surface",
      "people": "no people",
      "target_depiction": "red ball resting directly on top of a light-wood cube",
      "timeline": [
        {
          "timecode": "00:00.000-00:01.500",
          "picture": "Establish a controlled comparison set with matched objects and neutral composition.",
          "performance": "Settle naturally; no one looks at camera unless the communicative meaning requires partner gaze.",
          "camera": "Locked establishing view; level horizon; no handheld shake.",
          "audio": "Capture clean room tone only.",
          "edit": "Start from a clean stable frame; no title card."
        },
        {
          "timecode": "00:01.500-00:05.500",
          "picture": "Perform one slow placement, reveal or comparison that makes the target relation visible: red ball resting directly on top of a light-wood cube.",
          "performance": "Change or reveal only the target comparison: red ball resting directly on top of a light-wood cube. Keep non-target colour, size, position and lighting matched.",
          "camera": "Medium-close teaching view; keep the target, relevant hands, reference object and face in focus.",
          "audio": "Natural production sound at low level; no spoken label is required.",
          "edit": "One continuous take preferred; one motivated straight cut permitted."
        },
        {
          "timecode": "00:05.500-00:08.000",
          "picture": "Hold the completed contrast without labels, pointing overlays or positional answer cues.",
          "performance": "Hold the completed meaning without pointing, celebration or repeated action.",
          "camera": "Locked result frame with at least 5 percent safe margin around the target.",
          "audio": "Continue matching room tone; fade neither picture nor sound before 8 seconds.",
          "edit": "End on a stable frame suitable for pausing."
        }
      ],
      "camera_direction": {
        "lens_equivalent": "35-50 mm natural perspective; 70-85 mm for isolated face detail",
        "height": "target or seated eye level",
        "movement": "locked-off; optional imperceptibly slow push-in",
        "focus": "sufficient depth of field to keep semantic evidence sharp",
        "exposure": "natural skin tones and no clipped highlights",
        "white_balance": "locked throughout",
        "continuity_locks": [
          "participant identity",
          "clothing",
          "target instance",
          "background layout",
          "lighting direction"
        ]
      },
      "performance_direction": {
        "primary": "Change or reveal only the target comparison: red ball resting directly on top of a light-wood cube. Keep non-target colour, size, position and lighting matched.",
        "pace": "natural and readable, never slow-motion acting",
        "gaze": "natural task or partner gaze; never require eye contact",
        "repetitions": "one complete target event",
        "safeguarding": "stop on discomfort; no forced compliance or distress performance"
      },
      "spoken_script": {
        "required": false,
        "dialogue": [],
        "localized_voiceover_optional": "Use the approved localized semantic label or instruction for on only after SLP and native review.",
        "record_separately": true
      },
      "caption_script": {
        "language": "en",
        "picture_only_policy": "Do not caption visual action as sound. Leave captions off when the final mix contains no speech or meaningful sound.",
        "cues": [],
        "localized_caption_requirement": "Create from the locked final audio, not by translating this draft blindly."
      },
      "audio_description": {
        "language": "en",
        "script": "In plain warm-white studio surface, red ball resting directly on top of a light-wood cube.",
        "delivery": "neutral concise present tense; place in a natural pause or provide as separate accessible track",
        "review": "SLP and blind/low-vision accessibility review required"
      },
      "accessibility_notes": [
        "Meaning must be understandable with audio muted.",
        "Do not use speech, music, colour, camera movement or a transient cue as the only signal.",
        "Keep target visible for at least two seconds after the event.",
        "No flash, flicker, rapid cut, whip pan or unexpected loud sound.",
        "Provide player pause, replay, captions toggle and audio-description track where supported.",
        "Check target contrast and visibility at 320-pixel-wide playback."
      ],
      "generation_prompt": "Create one 8-second landscape 16:9 realistic clinical-educational video for the language-independent concept 'On' (key on), purpose model. Use the approved reference image on_isolated_01.png for semantic content and visual continuity, not for identity preservation. Scene: red ball resting directly on top of a light-wood cube in plain warm-white studio surface; participants: no people. Begin with a stable establishing view, show one slow natural target action or reveal, then hold the completed meaning for at least two seconds. Keep the target continuously visible, anatomically and physically plausible, safely framed and naturally lit. Use at most one simple camera cut; no fast zoom, montage or dramatic acting. Language-neutral: no necessary speech and no embedded writing. Preserve culturally respectful, disability-inclusive representation.",
      "negative_prompt": "no captions, labels, readable text, letters, numbers, logos, brands or watermark; no jump cuts, time lapse, fast camera movement, flicker, strobe, looping discontinuity or motion smear; no extra fingers, fused limbs, changing identity, changing clothing, morphing objects or disappearing props; no unsafe, frightening, coercive, humiliating or medically distressing behavior; no target hidden by hands, crop, foreground objects or shallow focus at the teaching moment; no music as a meaning cue and no speech required to understand the concept",
      "generation_settings": {
        "aspect_ratio": "16:9",
        "duration_seconds": 8,
        "camera_motion": "locked",
        "seed": "record exact provider seed when available",
        "reference_strength": "preserve semantics and composition; do not clone a real identity",
        "generate_audio": false
      },
      "continuity_review": [
        "same participant identity and anatomy",
        "same clothing and assistive devices",
        "same target object and quantity",
        "hands remain anatomically plausible",
        "background objects do not appear or disappear",
        "action begins and ends logically"
      ],
      "delivery": {
        "video_filename": "on_context_01.mp4",
        "caption_filename": "on_context_01.captions.<language>.vtt",
        "audio_description_filename": "on_context_01.audio_description.<language>.wav",
        "poster_filename": "on_context_01.poster.png"
      },
      "status": "script_ready_review_required"
    },
    {
      "video_key": "on_context_02",
      "purpose": "functional_context",
      "duration_seconds": 8,
      "format": "16:9 landscape",
      "frame_rate": "25 or 30 fps constant",
      "resolution": "1920x1080 minimum",
      "reference_setup_image": "on_context_02_setup_01.png",
      "reference_concept_image": "../images/on_natural_context_01.png",
      "story_summary": "A 6-10 second functional everyday use of on by a person, without unnecessary spoken language.",
      "setting": "simple bright kitchen",
      "people": "one AI-generated child",
      "target_depiction": "blue cup resting on a light-wood kitchen table",
      "timeline": [
        {
          "timecode": "00:00.000-00:01.500",
          "picture": "Establish a controlled comparison set with matched objects and neutral composition.",
          "performance": "Settle naturally; no one looks at camera unless the communicative meaning requires partner gaze.",
          "camera": "Locked establishing view; level horizon; no handheld shake.",
          "audio": "Capture clean room tone only.",
          "edit": "Start from a clean stable frame; no title card."
        },
        {
          "timecode": "00:01.500-00:05.500",
          "picture": "Perform one slow placement, reveal or comparison that makes the target relation visible: blue cup resting on a light-wood kitchen table.",
          "performance": "Change or reveal only the target comparison: blue cup resting on a light-wood kitchen table. Keep non-target colour, size, position and lighting matched.",
          "camera": "Medium-close teaching view; keep the target, relevant hands, reference object and face in focus.",
          "audio": "Natural production sound at low level; no spoken label is required.",
          "edit": "One continuous take preferred; one motivated straight cut permitted."
        },
        {
          "timecode": "00:05.500-00:08.000",
          "picture": "Hold the completed contrast without labels, pointing overlays or positional answer cues.",
          "performance": "Hold the completed meaning without pointing, celebration or repeated action.",
          "camera": "Locked result frame with at least 5 percent safe margin around the target.",
          "audio": "Continue matching room tone; fade neither picture nor sound before 8 seconds.",
          "edit": "End on a stable frame suitable for pausing."
        }
      ],
      "camera_direction": {
        "lens_equivalent": "35-50 mm natural perspective; 70-85 mm for isolated face detail",
        "height": "target or seated eye level",
        "movement": "locked-off; optional imperceptibly slow push-in",
        "focus": "sufficient depth of field to keep semantic evidence sharp",
        "exposure": "natural skin tones and no clipped highlights",
        "white_balance": "locked throughout",
        "continuity_locks": [
          "participant identity",
          "clothing",
          "target instance",
          "background layout",
          "lighting direction"
        ]
      },
      "performance_direction": {
        "primary": "Change or reveal only the target comparison: blue cup resting on a light-wood kitchen table. Keep non-target colour, size, position and lighting matched.",
        "pace": "natural and readable, never slow-motion acting",
        "gaze": "natural task or partner gaze; never require eye contact",
        "repetitions": "one complete target event",
        "safeguarding": "stop on discomfort; no forced compliance or distress performance"
      },
      "spoken_script": {
        "required": false,
        "dialogue": [],
        "localized_voiceover_optional": "Use the approved localized semantic label or instruction for on only after SLP and native review.",
        "record_separately": true
      },
      "caption_script": {
        "language": "en",
        "picture_only_policy": "Do not caption visual action as sound. Leave captions off when the final mix contains no speech or meaningful sound.",
        "cues": [],
        "localized_caption_requirement": "Create from the locked final audio, not by translating this draft blindly."
      },
      "audio_description": {
        "language": "en",
        "script": "In simple bright kitchen, blue cup resting on a light-wood kitchen table.",
        "delivery": "neutral concise present tense; place in a natural pause or provide as separate accessible track",
        "review": "SLP and blind/low-vision accessibility review required"
      },
      "accessibility_notes": [
        "Meaning must be understandable with audio muted.",
        "Do not use speech, music, colour, camera movement or a transient cue as the only signal.",
        "Keep target visible for at least two seconds after the event.",
        "No flash, flicker, rapid cut, whip pan or unexpected loud sound.",
        "Provide player pause, replay, captions toggle and audio-description track where supported.",
        "Check target contrast and visibility at 320-pixel-wide playback."
      ],
      "generation_prompt": "Create one 8-second landscape 16:9 realistic clinical-educational video for the language-independent concept 'On' (key on), purpose functional_context. Use the approved reference image on_natural_context_01.png for semantic content and visual continuity, not for identity preservation. Scene: blue cup resting on a light-wood kitchen table in simple bright kitchen; participants: one AI-generated child. Begin with a stable establishing view, show one slow natural target action or reveal, then hold the completed meaning for at least two seconds. Keep the target continuously visible, anatomically and physically plausible, safely framed and naturally lit. Use at most one simple camera cut; no fast zoom, montage or dramatic acting. Language-neutral: no necessary speech and no embedded writing. Preserve culturally respectful, disability-inclusive representation.",
      "negative_prompt": "no captions, labels, readable text, letters, numbers, logos, brands or watermark; no jump cuts, time lapse, fast camera movement, flicker, strobe, looping discontinuity or motion smear; no extra fingers, fused limbs, changing identity, changing clothing, morphing objects or disappearing props; no unsafe, frightening, coercive, humiliating or medically distressing behavior; no target hidden by hands, crop, foreground objects or shallow focus at the teaching moment; no music as a meaning cue and no speech required to understand the concept",
      "generation_settings": {
        "aspect_ratio": "16:9",
        "duration_seconds": 8,
        "camera_motion": "locked",
        "seed": "record exact provider seed when available",
        "reference_strength": "preserve semantics and composition; do not clone a real identity",
        "generate_audio": false
      },
      "continuity_review": [
        "same participant identity and anatomy",
        "same clothing and assistive devices",
        "same target object and quantity",
        "hands remain anatomically plausible",
        "background objects do not appear or disappear",
        "action begins and ends logically"
      ],
      "delivery": {
        "video_filename": "on_context_02.mp4",
        "caption_filename": "on_context_02.captions.<language>.vtt",
        "audio_description_filename": "on_context_02.audio_description.<language>.wav",
        "poster_filename": "on_context_02.poster.png"
      },
      "status": "script_ready_review_required"
    },
    {
      "video_key": "on_context_03",
      "purpose": "generalisation",
      "duration_seconds": 8,
      "format": "16:9 landscape",
      "frame_rate": "25 or 30 fps constant",
      "resolution": "1920x1080 minimum",
      "reference_setup_image": "on_context_03_setup_01.png",
      "reference_concept_image": "../images/on_unfamiliar_01.png",
      "story_summary": "A 6-10 second novel setting or instance of on for generalisation.",
      "setting": "softly blurred woodland",
      "people": "no people",
      "target_depiction": "European robin perched on top of a horizontal tree branch",
      "timeline": [
        {
          "timecode": "00:00.000-00:01.500",
          "picture": "Establish a controlled comparison set with matched objects and neutral composition.",
          "performance": "Settle naturally; no one looks at camera unless the communicative meaning requires partner gaze.",
          "camera": "Locked establishing view; level horizon; no handheld shake.",
          "audio": "Capture clean room tone only.",
          "edit": "Start from a clean stable frame; no title card."
        },
        {
          "timecode": "00:01.500-00:05.500",
          "picture": "Perform one slow placement, reveal or comparison that makes the target relation visible: European robin perched on top of a horizontal tree branch.",
          "performance": "Change or reveal only the target comparison: European robin perched on top of a horizontal tree branch. Keep non-target colour, size, position and lighting matched.",
          "camera": "Medium-close teaching view; keep the target, relevant hands, reference object and face in focus.",
          "audio": "Natural production sound at low level; no spoken label is required.",
          "edit": "One continuous take preferred; one motivated straight cut permitted."
        },
        {
          "timecode": "00:05.500-00:08.000",
          "picture": "Hold the completed contrast without labels, pointing overlays or positional answer cues.",
          "performance": "Hold the completed meaning without pointing, celebration or repeated action.",
          "camera": "Locked result frame with at least 5 percent safe margin around the target.",
          "audio": "Continue matching room tone; fade neither picture nor sound before 8 seconds.",
          "edit": "End on a stable frame suitable for pausing."
        }
      ],
      "camera_direction": {
        "lens_equivalent": "35-50 mm natural perspective; 70-85 mm for isolated face detail",
        "height": "target or seated eye level",
        "movement": "locked-off; optional imperceptibly slow push-in",
        "focus": "sufficient depth of field to keep semantic evidence sharp",
        "exposure": "natural skin tones and no clipped highlights",
        "white_balance": "locked throughout",
        "continuity_locks": [
          "participant identity",
          "clothing",
          "target instance",
          "background layout",
          "lighting direction"
        ]
      },
      "performance_direction": {
        "primary": "Change or reveal only the target comparison: European robin perched on top of a horizontal tree branch. Keep non-target colour, size, position and lighting matched.",
        "pace": "natural and readable, never slow-motion acting",
        "gaze": "natural task or partner gaze; never require eye contact",
        "repetitions": "one complete target event",
        "safeguarding": "stop on discomfort; no forced compliance or distress performance"
      },
      "spoken_script": {
        "required": false,
        "dialogue": [],
        "localized_voiceover_optional": "Use the approved localized semantic label or instruction for on only after SLP and native review.",
        "record_separately": true
      },
      "caption_script": {
        "language": "en",
        "picture_only_policy": "Do not caption visual action as sound. Leave captions off when the final mix contains no speech or meaningful sound.",
        "cues": [],
        "localized_caption_requirement": "Create from the locked final audio, not by translating this draft blindly."
      },
      "audio_description": {
        "language": "en",
        "script": "In softly blurred woodland, European robin perched on top of a horizontal tree branch.",
        "delivery": "neutral concise present tense; place in a natural pause or provide as separate accessible track",
        "review": "SLP and blind/low-vision accessibility review required"
      },
      "accessibility_notes": [
        "Meaning must be understandable with audio muted.",
        "Do not use speech, music, colour, camera movement or a transient cue as the only signal.",
        "Keep target visible for at least two seconds after the event.",
        "No flash, flicker, rapid cut, whip pan or unexpected loud sound.",
        "Provide player pause, replay, captions toggle and audio-description track where supported.",
        "Check target contrast and visibility at 320-pixel-wide playback."
      ],
      "generation_prompt": "Create one 8-second landscape 16:9 realistic clinical-educational video for the language-independent concept 'On' (key on), purpose generalisation. Use the approved reference image on_unfamiliar_01.png for semantic content and visual continuity, not for identity preservation. Scene: European robin perched on top of a horizontal tree branch in softly blurred woodland; participants: no people. Begin with a stable establishing view, show one slow natural target action or reveal, then hold the completed meaning for at least two seconds. Keep the target continuously visible, anatomically and physically plausible, safely framed and naturally lit. Use at most one simple camera cut; no fast zoom, montage or dramatic acting. Language-neutral: no necessary speech and no embedded writing. Preserve culturally respectful, disability-inclusive representation.",
      "negative_prompt": "no captions, labels, readable text, letters, numbers, logos, brands or watermark; no jump cuts, time lapse, fast camera movement, flicker, strobe, looping discontinuity or motion smear; no extra fingers, fused limbs, changing identity, changing clothing, morphing objects or disappearing props; no unsafe, frightening, coercive, humiliating or medically distressing behavior; no target hidden by hands, crop, foreground objects or shallow focus at the teaching moment; no music as a meaning cue and no speech required to understand the concept",
      "generation_settings": {
        "aspect_ratio": "16:9",
        "duration_seconds": 8,
        "camera_motion": "locked",
        "seed": "record exact provider seed when available",
        "reference_strength": "preserve semantics and composition; do not clone a real identity",
        "generate_audio": false
      },
      "continuity_review": [
        "same participant identity and anatomy",
        "same clothing and assistive devices",
        "same target object and quantity",
        "hands remain anatomically plausible",
        "background objects do not appear or disappear",
        "action begins and ends logically"
      ],
      "delivery": {
        "video_filename": "on_context_03.mp4",
        "caption_filename": "on_context_03.captions.<language>.vtt",
        "audio_description_filename": "on_context_03.audio_description.<language>.wav",
        "poster_filename": "on_context_03.poster.png"
      },
      "status": "script_ready_review_required"
    }
  ],
  "approval": {
    "clinical": false,
    "cultural": false,
    "accessibility": false,
    "rights": false,
    "technical": false
  }
}
