check-stack.md

Trigger: check the stack

Say: check the stack or doctor or is everything working

AI instructions

# Curriculum tools
bash scripts/ops/stack-check.sh

# Include project
bash scripts/ops/stack-check.sh --project projects/{{APP_SLUG}}

# With tests
bash scripts/ops/stack-check.sh --project projects/{{APP_SLUG}} --test

Summarize: pass/fail per step, one fix list. Do not change code unless asked.