Apoxy v0.16.0

I'll help you generate release notes for version v0.16.0. Let me read through the commits and organize them by category.

Features

Homebrew tap support - Add official Homebrew tap for easier CLI installation (5007d92)
Tunnel connection management - Add CloseConnection method for disconnecting individual connections (0310192)
Cluster liveness tracking - Add agent connection labels for monitoring cluster liveness (9fcda94)
Coordination lease heartbeat - Add coordination lease heartbeat and mirror protection types for improved reliability (d7fb8d5)
Interactive cluster selection - CLI k8s install now defaults cluster-name to kube context with interactive picker (8d225f0)
Cross-platform compilation - Add build tags and non-Linux stub for lwtunnel to support cross-platform builds (a34284f)
Kubernetes context override - Add k8s install context override option (d3f2153)

DNS resolution - Fix ndots search domain resolution and start DNS proxy in tunnel runtime (ca4745a)
Gateway route CRDs - Skip unavailable gateway route CRDs to prevent errors (8d04f8b)
Tunnel race condition - Fix race between agent registration and endpoint address allocation (849f400)

Tunnel resource cleanup - Close active connections when TunnelNode is deleted (560e629)
Enhanced TUI - Improve tunnel TUI with full UUIDs, wider IP columns, dashboard link, and general cleanup (d7e13ac)
Runtime high availability - Remove leader election from tunnel for per-pod connections and add runtime HA support (0e1f8d8, f98bcca)
Better logging - Improve runtime and reverse proxy logging (40ab984)
Faster endpoint propagation - Implement aggressive DNS refresh for faster tunnel endpoint propagation (5124f0f)
Overlay network advertising - Advertise overlay network prefix to tunnel clients (be67ec6)
Default TLS on DomainRecords - Enable TLS by default on ref-target DomainRecords (d4acfe0)

Proxy source pinning - Pin tunnel proxy source to apoxynet (c26d6f2)
Proxy monitoring restrictions - Lock down proxy object monitoring changes for cloud infrastructure (d82a5cd)
Coordination API updates - Add coordination/v1 to openapi-gen inputs (0e6bbc0)
Mirror coordination - Use coordination.apoxy.dev for mirror lease heartbeat (0b319d9)
Tunnel reconciliation - Bootstrap reconcile on tunnel startup (0848501)
Runtime reorganization - Reorganize runtime components and fix tunnel startup (5561519)
Certificate separation - Separate serving certs from upstream mTLS (810c04a)
API cleanup - Remove deprecated Domain v1alpha2 API entirely (ac33949)

Full Changelog: https://github.com/apoxy-dev/apoxy/compare/v0.15.0...v0.16.0