chore: update .gitignore and improve coding standards documentation

- Added .cursor/sessions/* to .gitignore to prevent session files from being tracked.
- Enhanced coding standards in SKILL.md by adding semicolons to TypeScript examples for consistency.
- Improved formatting in continuous learning, detail layout, and other SKILL.md files for better readability.

These changes aim to streamline development processes and maintain code quality across the project.

.cursor/commands/plan.md

@@ -16,6 +16,7 @@ This command invokes the **planner** agent to create a comprehensive implementat
 ## When to Use
 
 Use `/plan` when:
+
 - Starting a new feature
 - Making significant architectural changes
 - Working on complex refactoring
@@ -82,6 +83,7 @@ Agent (planner):
 **CRITICAL**: The planner agent will **NOT** write any code until you explicitly confirm the plan with "yes" or "proceed" or similar affirmative response.
 
 If you want changes, respond with:
+
 - "modify: [your changes]"
 - "different approach: [alternative]"
 - "skip phase 2 and do phase 3 first"
@@ -89,6 +91,7 @@ If you want changes, respond with:
 ## Integration with Other Commands
 
 After planning:
+
 - Use `/tdd` to implement with test-driven development
 - Use `/build-and-fix` if build errors occur
 - Use `/code-review` to review completed implementation