POD 趋势感知 Agent:缓存热点模式 + 三图合成 + 热点去重/风格去重 + review 兜底
- 缓存热点批量流程(有采集缓存不触发 Google) - 简报不足直接从采集缓存生成(轻量补齐) - 三图合成(模特/印花/底图)+ 底图压缩 <2MB - 热点去重→风格去重自动切换 + 不适合类目 review 兜底 - 透明背景(background=transparent)+ 提示词清洗(敏感词/背景描述) - 任务前 basemap 校验 + 模板国家校验 + 模特任务级分配
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"""LLM 后端注册表(可插拔入口)。
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config.yaml 的 llm_screen.provider 选择后端;OpenAI 兼容厂商(openai/deepseek/qwen/moonshot)
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统一映射到 openai_compat 实现。
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"""
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from typing import Dict
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from .base import LLMBackend
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from .mock_backend import MockBackend
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from .openai_compat_backend import OpenAICompatBackend, DEFAULT_SYSTEM_PROMPT
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LLM_BACKENDS: Dict[str, type] = {
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"mock": MockBackend,
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"openai_compat": OpenAICompatBackend,
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}
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# 厂商别名 -> openai_compat(它们都走 OpenAI 兼容协议)
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_ALIASES: Dict[str, str] = {
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"openai": "openai_compat",
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"deepseek": "openai_compat",
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"qwen": "openai_compat",
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"moonshot": "openai_compat",
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}
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def get_backend(name: str) -> LLMBackend:
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key = _ALIASES.get(name, name)
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cls = LLM_BACKENDS.get(key)
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if cls is None:
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raise ValueError(f"未知 LLM 后端: {name},可用: {list(LLM_BACKENDS)} (+别名 {list(_ALIASES)})")
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return cls()
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