repo_description: LLM驱动的 A/H/美股智能分析器：多数据源行情 + 实时新闻 + LLM决策仪表盘 + 多渠道推送，零成本定时运行，纯白嫖. LLM-powered stock analysis system for A/H/US markets.
repo_topics: agent ai aigc gemini llm quant quantitative-trading rag stock
code: # -*- coding: utf-8 -*-
  """
  Shared metadata constants for analysis requests.
  """
  
  from __future__ import annotations
  
  
  SELECTION_SOURCES: tuple[str, ...] = ("manual", "autocomplete", "import", "image")
  SELECTION_SOURCE_PATTERN = "^(" + "|".join(SELECTION_SOURCES) + ")$"
  