Apoxy v0.19.3

This release focuses on infrastructure improvements to the API server, enhanced tunnel diagnostics and metrics, and gateway configuration updates.

Features

• Agent-side debug RPC over QUIC control channel (3592719)
• MTU/PTB kernel-metric collector and connect-ip ICMP counter for tunnels (ae63923)
• Automatic CLI version check with upgrade prompts (3b84338)
• Tunnel per-connection uptime metric and agent-process identifier (042dc2d)
• Opt-in metadata.generation tracking on default builder strategy (8fe2939)
• Expose resource.Apply/ReadInputs/SplitYAMLDocuments in CLI (435f287)

Bug Fixes

• Fix auth --check by hitting /version instead of listing proxies (d199937)
• Lowercase Backend.spec.protocol on write (25bb559)
• Revert server-side reconnect circuit breaker (c823174)

Improvements

• Bump default HTTPRoute timeout from 15s to 100s (162899b)
• Advertise CLI build version as agent label (38e535f)
• Disable health and metrics endpoints in TUI mode (fca57c2)
• Extract IsInteractive helper and migrate call sites (936292a)

Infrastructure

• Bump envoyproxy/gateway to v1.4.0 (8355495)
• Remove apiserver-runtime dependency (3c49790)
• Replace sample-apiserver and add integration coverage (1c4ae63)
• Remove unused Docker driver package from ratelimit (1c5a612)

Full Changelog: v0.19.2...v0.19.3