v0.4.0

0.4.0 (2026-06-21)

Features

• core: time prefix (text) command duration (#28) (3c0a4e0)
• fleet: cluster drill-down trend history with sparklines (#25) (23ae1a5)
• fleet: flap detection, source-failure resilience, fuzz/load tests + tutorials (#21) (c680e4d)
• fleet: graceful shutdown, JSON logging, image hardening, k8s example (#26) (153ad01)
• fleet: hardening slice 1 - secure defaults, efficiency, reliability (#16) (6f72a06)
• fleet: hardening slice 2 - setup wizard, doctor, DX (#17) (45bfb6c)
• fleet: hardening slice 4 - rate limiting, retention, single-writer lock (#19) (33d2ad7)
• fleet: hardening slice 5 - Prometheus http_sd auto-discovery (#20) (312ce8b)
• fleet: split ingest and viewer tokens (#18) (b3c726e)
• fleet: standalone Argus Fleet control plane (#14) (79f4c2a)
• fleet: trusted-proxy client IP, heartbeat jitter, view-build latency metric (#24) (523dc7d)

Bug Fixes

• fleet: make the member client unconditionally fail-open (#22) (7ee0d16)
• fleet: resolve CodeQL log-injection and ineffectual-statement alerts (#23) (7a89cbe)