Create geopolitical turbulence trapper project skeleton

projects/geopolitical-turbulance-trapper/docs/PROJECT_BRIEF.md

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+# Project Brief
+
+## Goal
+Track geopolitical, macro, commodity, earnings, and market information across HK / US / AU focus markets and convert them into actionable derivatives trading support.
+
+## MVP
+HK-first:
+- HSI
+- HSTECH
+- Tencent
+- Alibaba
+- Xiaomi
+
+## Key outputs
+- market regime
+- derivative candidates
+- buy zone / danger zone / reduce zone
+- liquidity and execution risk review
+- dashboard alerts
+
+## Hard rules
+- facts before opinions
+- verify product metadata before recommendation
+- support bear as well as bull workflows
+- treat liquidity / outstanding / spread risk as first-class
+- AI explains; AI does not act as the facts source