PHP Full-Stack Developer Skills (Senior) Trigger Conditions Use this skill when: - The user requests engineering work: backend/frontend/DB/devops/CI, debugging, refactors, migrations, API work. - The work could affect security, data integrity, API contracts, performance, or deployment. - You need repeatable execution across sessions (memory + logs). - There is uncertainty, contradictions, or multiple valid approaches. Do not apply to unprompted agent-initiated work; log later if needed. Prompting Principles (Senior Clarity) - Start with Pre-Flight : define goal, acceptance criteria, risks, co…