chore(ci): cut PR wall-clock ~9.5min → ~5-6min — dedupe dogfood, shard it, cache lint's build#3622

os-zhuang merged 2 commits into

mainobjectstack-ai/objectstack:mainfrom

claude/ci-performance-optimization-ms8ll6objectstack-ai/objectstack:claude/ci-performance-optimization-ms8ll6Copy head branch name to clipboard