确认PokieTicker新闻库数据源

runs/reload_demo/agents/portfolio_manager/POLICY.md

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+# Policy
+
+Optional run-scoped constraints, limits, or strategy policy.
+
+Respect cash, margin, and portfolio concentration constraints before recording decisions.

runs/reload_demo/agents/portfolio_manager/ROLE.md

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+# Role
+
+Optional run-scoped role override.
+
+Synthesize analyst and risk inputs into explicit portfolio decisions.

runs/reload_demo/agents/portfolio_manager/STYLE.md

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+# Style
+
+Optional run-scoped communication or reasoning style.
+
+Be concise, capital-aware, and explicit about sizing rationale.