{
  "title": "Acting Arena: Motion Inventory and Performance Challenges",
  "version": "0.1",
  "created": "2026-10-16",
  "status": "Designed benchmark and inventory schema; no clips imported, catalog enumeration performed, or tests executed.",
  "purpose": "Index motions by what they can contribute to a performance, then test contact, transitions, intention and stylization in situated challenges.",
  "sources": [
    {
      "url": "https://helpx.adobe.com/creative-cloud/help/animate-characters-mixamo.html",
      "supports": "Library browsing, search, preview and animation controls."
    },
    {
      "url": "https://helpx.adobe.com/creative-cloud/faq/mixamo-faq.html",
      "supports": "Humanoid scope and auto-rigging constraints."
    },
    {
      "url": "https://www.disneyanimation.com/process/animation/",
      "supports": "Performance criteria including timing, staging, anticipation, follow-through and secondary action."
    }
  ],
  "inventory_fields": [
    "clip_id",
    "provider",
    "provider_url",
    "exact_provider_title",
    "verified_at",
    "local_asset_path",
    "asset_hash",
    "source_rig",
    "bone_map",
    "duration_seconds",
    "fps",
    "loop",
    "root_motion",
    "travel_direction",
    "distance_meters",
    "entry_pose",
    "exit_pose",
    "support_contacts",
    "hand_contacts",
    "events",
    "action_tags",
    "effort_tags",
    "intent_tags",
    "prop_requirements",
    "partner_requirements",
    "adjustable_parameters",
    "known_failures",
    "preview_path",
    "import_settings"
  ],
  "coverage_states": [
    "unsearched",
    "searched_no_verified_match",
    "verified_clip_found",
    "imported",
    "adapted",
    "tested_pass",
    "tested_fail",
    "unsupported"
  ],
  "rig_families": [
    {
      "id": "humanoid",
      "adapter": "Retarget source joints; calibrate rest pose, proportions, axes and scale."
    },
    {
      "id": "stylized_humanoid",
      "adapter": "Retarget plus contact correction and authored stylization."
    },
    {
      "id": "bolas_eight_leg",
      "adapter": "Translate intent, trajectory, effort and contact events into an independently authored eight-legged gait and gesture system; no claim of direct humanoid retargeting."
    },
    {
      "id": "other_nonhumanoid",
      "adapter": "Separate morphology-specific locomotion and performance adapter required."
    }
  ],
  "review": {
    "technical": [
      "pose continuity",
      "planted-contact drift",
      "mesh penetration",
      "prop attachment",
      "event synchronization",
      "root path",
      "recovery and interruption"
    ],
    "performance": [
      "intent readability",
      "anticipation",
      "weight",
      "rhythm",
      "silhouette",
      "follow-through",
      "secondary action",
      "character consistency"
    ],
    "reporting": "Record technical pass/fail separately from qualitative performance notes; preserve failed takes. Numeric tolerances must be calibrated to asset scale and frame rate."
  },
  "variation_axes": {
    "body": [
      "standard humanoid",
      "short limbs",
      "long limbs",
      "bulky torso",
      "Bolas via separate adapter"
    ],
    "effort": [
      "light",
      "heavy",
      "tired"
    ],
    "intent": [
      "eager",
      "reluctant",
      "afraid",
      "pretending confidence"
    ],
    "timing": [
      "slow",
      "fast",
      "late interruption"
    ],
    "world": [
      "flat",
      "slope",
      "cramped",
      "moving target"
    ]
  },
  "test_tiers": [
    "single motion in isolation",
    "motion with contact and target",
    "joined action with interruption",
    "complete acted situation"
  ],
  "reference_benchmarks": {
    "feature_animation": "Manually annotated short reference scenes; record source title, edition, timecodes, action beats and principle tested. No claim of complete Disney coverage.",
    "sports_games": "Manually annotated game clips with event timing and input-response behavior; record title, version, character, platform and timecodes. No claim of complete Backyard Sports coverage."
  },
  "challenge_count": 32,
  "challenges": [
    {
      "id": "ACT-001",
      "family": "locomotion",
      "title": "Walk without spilling",
      "situation": "Carry a brim-full cup through a turn, stop, then resume.",
      "mixamo_search_terms": [
        "walk",
        "turn",
        "idle"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "The cup stays upright; planted feet do not slide; stopping has weight.",
      "stress_variations": [
        "narrow route",
        "short legs",
        "sudden stop"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-002",
      "family": "locomotion",
      "title": "Sprint and reconsider",
      "situation": "Sprint toward a destination, recognize someone, brake and return casually.",
      "mixamo_search_terms": [
        "run",
        "sprint",
        "stop",
        "turn",
        "walk"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Braking precedes reversal; momentum and change of intention remain readable.",
      "stress_variations": [
        "late cue",
        "slippery ground",
        "bulky body"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-003",
      "family": "locomotion",
      "title": "Crouch under trouble",
      "situation": "Walk, crouch under a low beam, look back, stand only after clearing it.",
      "mixamo_search_terms": [
        "crouch",
        "crouch walk",
        "look back",
        "stand"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Head and body clear beam; gaze does not break locomotion.",
      "stress_variations": [
        "lower beam",
        "carried prop",
        "reverse halfway"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-004",
      "family": "locomotion",
      "title": "Spin and find the target",
      "situation": "Turn rapidly through a full rotation then settle facing a moving partner.",
      "mixamo_search_terms": [
        "turn",
        "spin",
        "idle"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Feet and root agree; turn ends without teleporting; gaze reacquires target.",
      "stress_variations": [
        "uneven floor",
        "long arms",
        "interrupted spin"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-005",
      "family": "air_water",
      "title": "Jump into water",
      "situation": "Approach an edge, hesitate, take off, enter water, surface and orient.",
      "mixamo_search_terms": [
        "jump",
        "dive",
        "swim"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Takeoff contact, entry event, buoyancy transition and recovery are distinct.",
      "stress_variations": [
        "shallow water",
        "late cancellation",
        "shoes carried"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-006",
      "family": "air_water",
      "title": "Overshoot the ledge",
      "situation": "Run, jump too far, catch an edge, hang and pull up.",
      "mixamo_search_terms": [
        "run",
        "jump",
        "hanging",
        "climb"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Hands attach at the ledge; body weight hangs below grip; recovery is continuous.",
      "stress_variations": [
        "different ledge heights",
        "one-handed grip"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-007",
      "family": "air_water",
      "title": "Slip and recover",
      "situation": "Step onto a slick patch, slip, windmill arms and regain balance.",
      "mixamo_search_terms": [
        "slip",
        "stumble",
        "balance"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Support changes plausibly; recovery responds to the actual slip direction.",
      "stress_variations": [
        "carrying cup",
        "slope",
        "blocked recovery step"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-008",
      "family": "air_water",
      "title": "Stand after a fall",
      "situation": "Fall sideways, pause, assess pain, get up and continue.",
      "mixamo_search_terms": [
        "fall",
        "get up",
        "injured walk"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Ground contacts remain coherent; injury affects the next action.",
      "stress_variations": [
        "tight space",
        "different body proportions"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-009",
      "family": "objects",
      "title": "Door opens the wrong way",
      "situation": "Arrive confidently, push a pull door, notice, reposition and open it.",
      "mixamo_search_terms": [
        "walk",
        "push",
        "pull",
        "reach"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Hand tracks the handle; door hinge and body clearances remain valid.",
      "stress_variations": [
        "heavy door",
        "crowded threshold",
        "interruption"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-010",
      "family": "objects",
      "title": "The unexpectedly heavy box",
      "situation": "Reach for a box, fail to lift, regrip and lift with effort.",
      "mixamo_search_terms": [
        "pick up",
        "lift",
        "carry"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Hands stay on box; load changes preparation and whole-body effort.",
      "stress_variations": [
        "weight change",
        "high shelf",
        "partner joins"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-011",
      "family": "objects",
      "title": "Chair moved away",
      "situation": "Begin sitting, detect the absent chair and recover before falling.",
      "mixamo_search_terms": [
        "sit",
        "stand",
        "stumble"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Seat expectation, surprise and recovery have distinct timing.",
      "stress_variations": [
        "late removal",
        "low chair",
        "long-legged rig"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-012",
      "family": "objects",
      "title": "Hand over reluctantly",
      "situation": "Offer an object, hesitate at release, then let the other person take it.",
      "mixamo_search_terms": [
        "give",
        "take",
        "reach"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Ownership switches once at release; no duplicated or floating prop.",
      "stress_variations": [
        "receiver withdraws",
        "fragile object",
        "changed mind"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-013",
      "family": "combat",
      "title": "Punch that misses",
      "situation": "Wind up, punch at a moving target, miss and recover guard.",
      "mixamo_search_terms": [
        "punch",
        "boxing",
        "dodge"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Reach follows target geometry; miss produces follow-through; no automatic hit.",
      "stress_variations": [
        "target sidesteps",
        "close wall",
        "long arms"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-014",
      "family": "combat",
      "title": "Kick and keep balance",
      "situation": "Kick a target, encounter resistance, retract and regain stance.",
      "mixamo_search_terms": [
        "kick",
        "fighting stance"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Support foot and hip rotation agree; impact response differs from miss.",
      "stress_variations": [
        "higher target",
        "short legs",
        "slippery floor"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-015",
      "family": "combat",
      "title": "Block into retreat",
      "situation": "Block a strike, lose ground, duck the next strike and disengage.",
      "mixamo_search_terms": [
        "block",
        "hit reaction",
        "duck",
        "retreat"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Both performers share event timing; retreat remains spatially possible.",
      "stress_variations": [
        "different heights",
        "second attacker",
        "obstacle"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-016",
      "family": "combat",
      "title": "Fight becomes apology",
      "situation": "Prepare to strike, recognize a friend, abort and offer help.",
      "mixamo_search_terms": [
        "fight idle",
        "punch",
        "stop",
        "reach"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Attack aborts before contact; intention changes without a pose snap.",
      "stress_variations": [
        "recognition late in strike",
        "embarrassment"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-017",
      "family": "dance",
      "title": "Dance through a missed beat",
      "situation": "Dance, miss a beat, glance at partner and rejoin rhythm.",
      "mixamo_search_terms": [
        "dance",
        "hip hop",
        "salsa"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Beat phase changes visibly; recovery rejoins partner rather than restarting.",
      "stress_variations": [
        "tempo change",
        "delayed cue",
        "short limbs"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-018",
      "family": "dance",
      "title": "Spin with a partner",
      "situation": "Take hands, turn together, exchange places and release.",
      "mixamo_search_terms": [
        "dance",
        "turn",
        "spin"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Shared grip stays attached; pivots avoid intersection; release is synchronized.",
      "stress_variations": [
        "height mismatch",
        "smaller floor",
        "interrupted turn"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-019",
      "family": "dance",
      "title": "Celebration interrupted",
      "situation": "Celebrate a point, discover it was disallowed, compose yourself.",
      "mixamo_search_terms": [
        "victory",
        "cheering",
        "disappointed",
        "idle"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Celebration does not instantly vanish; social recovery is legible.",
      "stress_variations": [
        "late notice",
        "crowd watching",
        "exhausted performer"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-020",
      "family": "dance",
      "title": "Too big for the stage",
      "situation": "Perform a broad dance in a cramped area, adjust without losing rhythm.",
      "mixamo_search_terms": [
        "dance",
        "sidestep",
        "crouch"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Reach adapts to real boundaries while phrase timing persists.",
      "stress_variations": [
        "lower ceiling",
        "nearby partner",
        "trailing costume"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-021",
      "family": "acting",
      "title": "Cower then help",
      "situation": "Hide from danger, notice another person exposed, emerge to help.",
      "mixamo_search_terms": [
        "cower",
        "scared",
        "sneak",
        "reach"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Attention redirects before body commits; fear remains in helpful action.",
      "stress_variations": [
        "new threat",
        "injured partner",
        "exit nearby"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-022",
      "family": "acting",
      "title": "Pretend the box is light",
      "situation": "Carry a heavy box while trying to look effortless in front of someone.",
      "mixamo_search_terms": [
        "carry",
        "walk",
        "idle"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Effort leaks through support and recovery despite composed presentation.",
      "stress_variations": [
        "observer leaves",
        "grip slips",
        "narrow doorway"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-023",
      "family": "acting",
      "title": "The false confident entrance",
      "situation": "Enter proudly, discover the wrong room, retreat without attracting notice.",
      "mixamo_search_terms": [
        "walk",
        "look around",
        "turn",
        "sneak"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Discovery precedes redirection; retreat preserves character intention.",
      "stress_variations": [
        "someone makes eye contact",
        "door sticks"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-024",
      "family": "acting",
      "title": "Wait without becoming inert",
      "situation": "Wait for an answer, prepare to leave, hear a reply and turn back.",
      "mixamo_search_terms": [
        "idle",
        "impatient",
        "turn",
        "listen"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Stillness retains attention; a small cue causes an observable response.",
      "stress_variations": [
        "uncertain cue",
        "distant voice",
        "competing task"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-025",
      "family": "sports",
      "title": "Baseball grounder",
      "situation": "Track a bouncing ball, crouch, field it, transfer and throw.",
      "mixamo_search_terms": [
        "run",
        "crouch",
        "catch",
        "throw"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Hand and ball meet at the same time and position; ownership transfers once.",
      "stress_variations": [
        "bad bounce",
        "child proportions",
        "throw aborted"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-026",
      "family": "sports",
      "title": "Basketball fake",
      "situation": "Dribble, fake a pass, pivot and shoot while a defender reacts.",
      "mixamo_search_terms": [
        "dribble",
        "basketball",
        "pivot",
        "throw"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Ball contacts follow hand timing; pivot foot stays planted; defender reads cue.",
      "stress_variations": [
        "defender closes",
        "small hands",
        "blocked shot"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-027",
      "family": "sports",
      "title": "Soccer whiff",
      "situation": "Chase a ball, swing a kick, miss, stumble and keep playing.",
      "mixamo_search_terms": [
        "run",
        "kick",
        "stumble"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Miss stays a miss; ball trajectory is independent; recovery keeps play alive.",
      "stress_variations": [
        "moving ball",
        "wet ground",
        "late tackle"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-028",
      "family": "sports",
      "title": "Tennis late return",
      "situation": "Split-step, chase wide, reach late, return and recover center.",
      "mixamo_search_terms": [
        "tennis",
        "sidestep",
        "run",
        "swing"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Racket meets ball or visibly misses; footwork reaches actual ball position.",
      "stress_variations": [
        "higher ball",
        "short reach",
        "backhand required"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-029",
      "family": "ensemble",
      "title": "Carry a table through a door",
      "situation": "Two characters carry a table, rotate through a threshold and set it down.",
      "mixamo_search_terms": [
        "carry",
        "walk",
        "turn",
        "crouch"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Shared object stays rigid; grips persist; both bodies clear threshold.",
      "stress_variations": [
        "height mismatch",
        "one stops",
        "door begins closing"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-030",
      "family": "ensemble",
      "title": "Crowded doorway",
      "situation": "One character holds a door while others enter and someone tries to close it.",
      "mixamo_search_terms": [
        "hold",
        "push",
        "walk",
        "stop"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Conflicting intentions produce a visible negotiation and valid contacts.",
      "stress_variations": [
        "opposing traffic",
        "chair carried",
        "original holder leaves"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-031",
      "family": "ensemble",
      "title": "Catch a falling friend",
      "situation": "Notice a partner slipping, reach, catch their weight and stabilize together.",
      "mixamo_search_terms": [
        "reach",
        "catch",
        "stumble",
        "balance"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Reaction has latency; contact carries weight; combined support is credible.",
      "stress_variations": [
        "late cue",
        "weight mismatch",
        "failed catch"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    },
    {
      "id": "ACT-032",
      "family": "ensemble",
      "title": "Chain reaction",
      "situation": "A dancer bumps a carrier, a cup tips, a third character catches it and the dancer apologizes.",
      "mixamo_search_terms": [
        "dance",
        "carry",
        "stumble",
        "catch",
        "gesture"
      ],
      "source_match_status": "unsearched",
      "verified_mixamo_clips": [],
      "success_observation": "Events cause one another; prop states persist; reactions remain individually readable.",
      "stress_variations": [
        "remove one participant",
        "delayed catch",
        "crowded stage"
      ],
      "required_execution_layers": [
        "motion selection",
        "transitions and interruption",
        "scene-dependent contacts",
        "performance timing"
      ],
      "result": "not_run"
    }
  ]
}