v0.3.0

0.3.0 (2026-05-08)

Added

• Timeline split-pane dashboard (Concept A) — /timeline page with vertical event list + request/response inspector
• Header redaction via HeaderRedactor — sensitive headers (authorization, set-cookie, x-api-key) auto-masked
• Request/response body capture and display in detail view
• Health check endpoint (GET /monitorex/health) with Collector status, queue depths, ETS sizes
• Prometheus metrics exporter (GET /monitorex/metrics) — requests, errors, latency, ETS sizes
• Alert webhooks with configurable thresholds (error_rate, host_down, high_latency) and debounced dispatch
• ErrorBoundary LiveComponent for graceful crash recovery
• Error boundary CSS card with retry button

Changed

• status_chip_class/2 extracted to Monitorex.Components.Live.Helpers (removed duplication across inbound/outbound pages)
• Sort/filter/pagination state persisted in URL query params across all pages
• Responsive layout revamp: sidebar collapse on mobile, card-based table layout below 768px
• ETS prune/cleanup uses System.convert_time_unit/3 — fixes TTL bug where hosts were always deleted

Fixed

• TTL bug: prune_set compared nanoseconds vs milliseconds, causing all entries to be immediately evicted
• Dedup bug: same nanoseconds-vs-milliseconds confusion in prune_dedup
• Assets.init/1 now ignores opts keyword list (was crashing Phoenix dev mode)
• Assets path now works when mounted under root scope

Tests

• 355+ tests across all modules
• Integration tests for Tesla, Finch, Phoenix pipeline
• Performance/load tests for Collector throughput and memory usage
• Cluster support with multi-node test infrastructure
• 6 new test suites: application, authentication, event, helpers, layouts, resolver