$spec-add "coding Always use named exports for utility functions"
$spec-add "learning Off-by-one in pagination when page=0"
$spec-add "arch Use Zod for runtime validation over io-ts"
$spec-add "quality All API endpoints must return structured error objects"

Valid categories: coding, arch, quality, debug, test, review, learning, tools, bug, pattern, decision, rule, validation, ui.

Input format: <category> <title> <content> — category is the first token, title is a short identifier (quoted if multi-word), content is the remainder.

CLI alternative: maestro spec add <category> "<title>" "<content>" --keywords kw1,kw2 --description "<desc>" --source <src>. Used by workflow agents (analyze, plan, execute) for programmatic spec enrichment.