Centralizes config types (ServerConfig, CliConfig, expand_tilde) into a
new arc-config crate. Makes arc-api an optional dependency of arc-cli
behind a default-on "server" feature flag, so CLI-only builds skip heavy
server deps (axum, tower, hyper, sqlx, arc-db, arc-types).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add extra parent() traversal in build.rs, include_str!, and test
fixture paths that navigate from crate directories to the repo root.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Updated: Cargo.toml workspace members, CI workflow paths, Dockerfile
COPY, AGENTS.md, skill mapping, and doc references.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>