feat: add new skills for coding standards, continuous learning, detail layout, form layout, project guidelines, security review, and verification loop

- Introduced coding standards for TypeScript and React in SKILL.md.
- Added continuous learning skill with configuration and evaluation scripts.
- Created detail layout guidelines for read-only pages.
- Established form layout rules for data-entry forms.
- Documented project guidelines for the frontend monorepo.
- Implemented security review checklist for frontend/Electron applications.
- Developed a verification loop skill for comprehensive session checks.

This commit enhances the skill set available for developers, ensuring adherence to best practices and improving code quality.

.cursor/hooks/before-shell.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+# Cursor beforeShellExecution hook.
+# Remind about tmux for long-running servers and review before git push.
+
+input=$(cat)
+command=$(echo "$input" | node -e "let d='';process.stdin.on('data',c=>d+=c);process.stdin.on('end',()=>{try{const i=JSON.parse(d);process.stdout.write(i.command||i.tool_input?.command||'')}catch{}})")
+
+if echo "$command" | grep -Eq 'npm run dev|pnpm( run)? dev|yarn dev|bun run dev'; then
+  if [ -z "$TMUX" ]; then
+    echo '{"permission":"ask","user_message":"Dev servers should run in tmux so logs stay available. Example: tmux new-session -d -s dev \"npm run dev\"","agent_message":"Dev server is not in tmux. Ask before continuing."}'
+    exit 0
+  fi
+fi
+
+if echo "$command" | grep -Eq 'git push'; then
+  echo '{"permission":"ask","user_message":"Review the diff before pushing. Continue only if the changes look correct.","agent_message":"git push requires a quick review before proceeding."}'
+  exit 0
+fi
+
+echo '{"permission":"allow"}'
+exit 0