fix: use gateway call agent for notification delivery (#381)

feat: phase 1 workspace isolation across auth and core APIs (#112)

feat: audit hardening, webhook retry, and local Claude session tracking (#68)

fix: strict mode, test stubs, pagination counts, N+1 queries, CSP hardening

fix: add auth checks on all GET endpoints, timing-safe comparisons, and XSS sanitization

feat: initial open-source release