0.2.1

Fix all issues from Obsidian community plugin review.

• Command ID/name no longer include plugin name
• Settings use setHeading() instead of HTML elements
• All require() replaced with ES imports
• Empty catch blocks annotated
• Unused variables removed
• Proper async/promise handling
• Responsive dashboard layout (health + context tax side-by-side)
• Loading spinner for dashboard
• Viewport padding removed