{
  "id": "HR-016",
  "slug": "expired-bloom",
  "title": {
    "zh": "过期花期",
    "en": "Expired Bloom"
  },
  "subtitle": {
    "zh": "拥有失效时间的数据对象",
    "en": "Data objects with an expiry time"
  },
  "ecosystem": "腐殖层",
  "summary": {
    "zh": "一个生命在失效之后继续衰减。",
    "en": "A life-form continues to decay after expiration."
  },
  "operation": {
    "zh": "使用生命周期函数控制结构收缩、颗粒脱落和局部消隐，时间只推进，不自动复原。",
    "en": "Use lifecycle functions to control contraction, particle shedding, and local disappearance. Time advances without automatic restoration."
  },
  "form": "fossil",
  "state_model": {
    "inputs": [
      "seed",
      "pointer_position",
      "elapsed_time",
      "relation_parameters"
    ],
    "transformation": "expired",
    "outputs": [
      "canvas_geometry",
      "visual_state",
      "machine_readable_metadata"
    ]
  },
  "semantic_tags": [
    "decay",
    "fossil",
    "digital garden",
    "machine-native",
    "network artwork",
    "expired bloom"
  ],
  "relations": [
    "HR-003",
    "HR-015",
    "HR-019"
  ],
  "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": "decaying-radial-structures",
  "visual_profile": {
    "material": "nacreous failing tissue / exposed mineral chamber / sediment",
    "accent": "#b9a08a",
    "motion": "asynchronous membrane failure, fibre elongation, fracture shedding, sedimentation and partial renewal",
    "engine": "HUMAN-RUINS-GENERATIVE-ENGINE-3.4",
    "generator": "expired",
    "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 asynchronous membrane generations, stress-driven tears, 58 descending vascular fibres, sediment strata and 17 renewal shoots."
  },
  "sound_profile": {
    "id": "sound-016",
    "character": "descending",
    "autoplay": "attempt-with-browser-gesture-fallback",
    "engine": "HUMAN-RUINS-SOUND-ENGINE-3.4",
    "base_track": "assets/audio/hr-016.mp3",
    "interactive_layer": "web-audio-reactive-harmonics"
  },
  "url": "garden/decay/expired-bloom/index.html",
  "en_url": "en/garden/decay/expired-bloom/index.html",
  "ecosystem_slug": "decay",
  "ecosystem_en": "DECAY",
  "name": {
    "zh": "过期花期",
    "en": "Expired Bloom"
  },
  "method": {
    "zh": "使用生命周期函数控制结构收缩、颗粒脱落和局部消隐，时间只推进，不自动复原。",
    "en": "Use lifecycle functions to control contraction, particle shedding, and local disappearance. Time advances without automatic restoration."
  },
  "visual_engine": {
    "engine": "HUMAN-RUINS-GENERATIVE-ENGINE-3.4",
    "generator": "expired",
    "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 independently ageing tissue layers, stress deformation, 58 vascular fibres, 17 regeneration shoots and sediment memory.",
    "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-016.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."
  }
}