feat: add model routing — assign opus/sonnet/haiku by task complexity

feat: 4-layer orchestration upgrade — resilience, context intelligence, agent learning, smart scheduling

feat: add setup command — install Claude Code skills via `csns setup`

chore: publish 0.11.3

chore: cleanup bg-shell manifest and add project artifacts

feat: add surgical correction — post-audit mission-aligned fix advisor

chore: publish 0.11.2

feat: support --file flag and stdin pipe for brief input

chore: publish 0.11.1

fix: plan generator — skip frontend for api-only, DB before Auth, no over-split

chore: publish 0.11.0

feat: BriefValidator — understand before building

chore: publish 0.10.3

feat: interactive arrow-key decision selector for planning

chore: publish 0.10.2