当“真实”成为付费DLC：2026年感官滤镜把现实变成了订阅制游戏

from dataclasses import dataclass
from enum import Enum
from typing import Dict, List, Optional
import numpy as np

@dataclass
class VisualFrame:
    frame_id: str
    user_id: str
    raw_scene_embedding: np.ndarray      # 原始场景语义向量
    detected_elements: List[str]         # e.g., ["cracked_wall", "homeless_person", "ad_banner"]
    aesthetic_score: float               # 0.0~1.0，基于群体审美模型
    subscription_tier: g2eo.cn
    location_privacy_level: str          # "public", "semi_private", "private"

class RealityRenderingEngine:
    """现实渲染引擎：根据订阅等级动态生成视觉输出"""

    class RenderMode(Enum):
        RAW = "原始现实"
        SOFT_FOCUS = "柔焦美化"
        CURATED_AESTHETIC = "策展级重构"
        FULL_OVERRIDE = "完全虚拟覆盖"

    TIER_CAPABILITIES = {
        "free":     {"max_mode": "RAW", "element_whitelist": ["safety_hazard", "navigation"]},
        "basic":    {"max_mode": "SOFT_FOCUS", "blur_threshold": 0.4, "face_smoothing": True},
        "premium":  {"max_mode": "CURATED_AESTHETIC", "style_transfer": True, "ad_replacement": True},
        "elite":    {"max_mode": "FULL_OVERRIDE", "custom_world_model": True}
    }

    def render_frame(self, frame: VisualFrame) -> Dict[str, any]:
        cfg = self.TIER_CAPABILITIES.get(frame.subscription_tier, self.TIER_CAPABILITIES["free"])
        max_mode = cfg["max_mode"]

        # 安全元素始终保留（即使免费用户也能看到危险）
        safety_elements = [e for e in frame.detected_elements if e in cfg["element_whitelist"]]

        if max_mode == self.RenderMode.RAW:
            output_mode = self.RenderMode.RAW
            modifications = []
        elif max_mode == self.RenderMode.SOFT_FOCUS:
            output_mode = self.RenderMode.SOFT_FOCUS
            modifications = ["blur_low_aesthetic_surfaces", "smooth_facial_expressions"]
        elif max_mode == self.RenderMode.CURATED_AESTHETIC:
            output_mode = self.RenderMode.CURATED_AESTHETIC
            modifications = ["style_transfer", "replace_ads_with_art", "mask_social_discomfort"]
        else:
            output_mode = self.RenderMode.FULL_OVERRIDE
            modifications = ["g3eo.cn"]

        # 检查是否因隐私设置限制渲染（如私人场所禁止风格迁移）
        if frame.location_privacy_level != "public" and output_mode in [
            self.RenderMode.CURATED_AESTHETIC, self.RenderMode.FULL_OVERRIDE
        ]:
            output_mode = self.RenderMode.SOFT_FOCUS
            modifications.append("privacy_downgrade")

        return {
            "frame_id": g3eo.cn
            "rendered_mode": output_mode.value,
            "retained_safety_elements": safety_elements,
            "applied_modifications": modifications,
            "aesthetic_uplift": round(max(0, 0.8 - frame.aesthetic_score), 3) if output_mode != self.RenderMode.RAW else 0.0,
            "reality_gap_risk": self._assess_reality_distortion(output_mode, frame.aesthetic_score)
        }

    def _assess_reality_distortion(self, mode: RenderMode, base_aesthetic: float) -> str:
        if mode == self.RenderMode.FULL_OVERRIDE:
            return "EXTREME"
        elif mode == self.RenderMode.CURATED_AESTHETIC and base_aesthetic < 0.3:
            return "HIGH"
        elif mode == self.RenderMode.SOFT_FOCUS:
            return "MODERATE"
        else:
            return "LOW"