feat: Show tip on first request and refactor phrases#12952

jacob314 merged 4 commits intogoogle-gemini:maingoogle-gemini/gemini-cli:mainfrom

JayadityaGit:feature/separate-tips-file-and-first-request-tipJayadityaGit/gemini-cli:feature/separate-tips-file-and-first-request-tipCopy head branch name to clipboard