This skill should be used when the user asks to "modify OAPS internals", "add a new subsystem", "understand OAPS architecture", "add a CLI command", "write OAPS tests", "create builtin hooks", "add a hook rule", "debug OAPS", "fix OAPS bug", "extend OAPS", "navigate the OAPS codebase", "understand the spec system", "understand hooks", "OAPS CI failing", or when working on src/oaps/ code, oaps.cli._commands, oaps.hooks, oaps.spec, oaps.config, oaps.repository, or oaps.artifacts packages.