Initial commit: Brachnha Insight project setup

- Next.js 14+ with App Router and TypeScript
- Tailwind CSS and ShadCN UI styling
- Zustand state management
- Dexie.js for IndexedDB (local-first data)
- Auth.js v5 for authentication
- BMAD framework integration

Co-Authored-By: Claude <noreply@anthropic.com>

.env.example

@@ -0,0 +1,16 @@
+# Test Environment Configuration
+TEST_ENV=local
+BASE_URL=http://localhost:3000
+API_URL=http://localhost:3000/api
+
+# Authentication (if applicable)
+TEST_USER_EMAIL=test@example.com
+TEST_USER_PASSWORD=
+
+# Feature Flags
+FEATURE_FLAG_NEW_UI=true
+
+# LLM Configuration
+OPENAI_API_KEY=your_openai_api_key_here
+LLM_MODEL=gpt-4o-mini
+LLM_TEMPERATURE=0.7