v0.0.9

Added

• Add default egress destination forwarding for chained proxy deployments, including config validation, transport wiring, integration coverage, and operator guidance (#40).
• Add headers_absent policy predicate for missing-header deny guards, including config validation, request-header evaluation, inspection output, integration coverage, and operator docs (#41).
• Add an HTTP readiness probe at {internal_base_path}/ready, including integration coverage and operator documentation (#42).
• Add load-time ${NAME} env interpolation for policy header-action set/add values, including deterministic config validation, ruleset/direct-rule coverage, CLI verification, and operator docs (#43).
• Preserve protocol shape for chained egress forwarding (h2c for inbound HTTP/2 request forwarding, http/1.1 for HTTP/1.1 and upgrades), including diagnostics, tests, and operator docs (#44).