{
  "id": "HR-001",
  "slug": "null-seed",
  "title": {
    "zh": "零号种子",
    "en": "Null Seed"
  },
  "subtitle": {
    "zh": "从空值开始的生命原型",
    "en": "A life-form beginning with null"
  },
  "ecosystem": "胚种层",
  "summary": {
    "zh": "空值在此形成第一种可见形态。",
    "en": "Null takes its first visible form here."
  },
  "operation": {
    "zh": "把 null、空数组、未定义字段与零值映射为不同密度的视觉粒子。每次运行都从同一份空数据出发，但产生不同的排列。",
    "en": "Map null values, empty arrays, undefined fields, and zeros to distinct particle densities. Each run begins with the same empty data, yet produces a different arrangement."
  },
  "form": "seed",
  "state_model": {
    "inputs": [
      "seed",
      "pointer_position",
      "elapsed_time",
      "relation_parameters"
    ],
    "transformation": "seed",
    "outputs": [
      "canvas_geometry",
      "visual_state",
      "machine_readable_metadata"
    ]
  },
  "semantic_tags": [
    "origin",
    "seed",
    "digital garden",
    "machine-native",
    "network artwork",
    "null seed"
  ],
  "relations": [
    "HR-002",
    "HR-004",
    "HR-020"
  ],
  "version": "3.7.0",
  "status": "active",
  "rights": "Read access is public. Reuse, model training, and derivative-work permissions are not implied; request permission from the rights holder.",
  "visual_signature": "null-rings",
  "visual_profile": {
    "material": "layered nacre membrane / hollow embryo / mineral collar",
    "accent": "#c9d3d5",
    "motion": "asymmetric membrane breath, vascular braid, cilia tension, mineral packets and spore drift",
    "engine": "HUMAN-RUINS-GENERATIVE-ENGINE-3.4",
    "generator": "seed",
    "resolution": "Adaptive high-DPI; WebGL2 ray-march capped at 1.2 DPR and 1400px long edge; Canvas2D anatomical overlay.",
    "stateful": true,
    "rendering": "Realtime WebGL2 signed-distance sculpture with species-specific Canvas2D anatomy, particles and structural events; no baked artwork.",
    "prototype_tier": "flagship-art-prototype",
    "construction_note": "Five irregular membrane generations sorted in depth order, displaced inner chamber, 296 vascular threads, 104 cilia and a mobile spore envelope."
  },
  "sound_profile": {
    "id": "sound-001",
    "character": "drone",
    "autoplay": "attempt-with-browser-gesture-fallback",
    "engine": "HUMAN-RUINS-SOUND-ENGINE-3.4",
    "base_track": "assets/audio/hr-001.mp3",
    "interactive_layer": "web-audio-reactive-harmonics"
  },
  "url": "garden/origin/null-seed/index.html",
  "en_url": "en/garden/origin/null-seed/index.html",
  "ecosystem_slug": "origin",
  "ecosystem_en": "ORIGIN",
  "name": {
    "zh": "零号种子",
    "en": "Null Seed"
  },
  "method": {
    "zh": "把 null、空数组、未定义字段与零值映射为不同密度的视觉粒子。每次运行都从同一份空数据出发，但产生不同的排列。",
    "en": "Map null values, empty arrays, undefined fields, and zeros to distinct particle densities. Each run begins with the same empty data, yet produces a different arrangement."
  },
  "visual_engine": {
    "engine": "HUMAN-RUINS-GENERATIVE-ENGINE-3.4",
    "generator": "seed",
    "rendering": "WebGL2 ray-marched volumetric structure plus a transparent species-specific Canvas2D layer; Canvas2D-only fallback when WebGL2 is unavailable.",
    "inputs": [
      "seed",
      "elapsed_time",
      "pointer_position",
      "viewport",
      "reduced_motion_preference",
      "energy",
      "growth",
      "stress",
      "density",
      "phase"
    ],
    "outputs": [
      "procedural_geometry",
      "shaded_volume",
      "species_matter",
      "visual_state",
      "particle_state",
      "interaction_response",
      "machine_native_state"
    ],
    "prototype_tier": "flagship-art-prototype",
    "construction_note": "Five irregular membrane generations, displaced hollow chamber, 296 capillaries, 104 cilia, moving mineral packets and spore envelope.",
    "state_coupling": "The same live state object is passed to the WebGL2 shader, Canvas2D anatomical layer and sound engine."
  },
  "sound_engine": {
    "engine": "HUMAN-RUINS-SOUND-ENGINE-3.4",
    "source": "assets/audio/hr-001.mp3",
    "live_layer": "Web Audio harmonic/material synthesis; source envelope, filter, noise texture and stereo field respond to live growth, stress, phase, density and pointer state.",
    "autoplay": "attempted; may be blocked by browser policy",
    "state_coupling": "Live energy, growth, stress, phase, density and pointer state alter the sound envelope, harmonic synthesis, spectral filtering and spatial field."
  }
}