Add help view and core memory styles

- Introduced styles for the help view including tab transitions, accordion animations, search highlighting, and responsive design.
- Implemented core memory styles with modal base styles, memory card designs, and knowledge graph visualization.
- Enhanced dark mode support across various components.
- Added loading states and empty state designs for better user experience.

.claude/workflows/coding-philosophy.md

@@ -61,3 +61,10 @@
 - **Reference, don't duplicate** - point to other layers, never copy content
 - **Maintain perspective** - each layer sees the system at its appropriate scale
 - **Avoid implementation creep** - higher layers stay architectural
+
+# Context Requirements
+
+Before implementation, always:
+- Identify 3+ existing similar patterns
+- Map dependencies and integration points
+- Understand testing framework and coding conventions