Add tests and implement timeline ingestion options with NATS and Redis subscribers

- Introduced `BinaryReachabilityLifterTests` to validate binary lifting functionality.
- Created `PackRunWorkerOptions` for configuring worker paths and execution persistence.
- Added `TimelineIngestionOptions` for configuring NATS and Redis ingestion transports.
- Implemented `NatsTimelineEventSubscriber` for subscribing to NATS events.
- Developed `RedisTimelineEventSubscriber` for reading from Redis Streams.
- Added `TimelineEnvelopeParser` to normalize incoming event envelopes.
- Created unit tests for `TimelineEnvelopeParser` to ensure correct field mapping.
- Implemented `TimelineAuthorizationAuditSink` for logging authorization outcomes.

ops/devops/docker/healthcheck-frontend.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+set -eu
+HOST="${HEALTH_HOST:-127.0.0.1}"
+PORT="${HEALTH_PORT:-8080}"
+PATH_CHECK="${HEALTH_PATH:-/}"
+USER_AGENT="stellaops-frontend-healthcheck"
+
+wget -qO- "http://${HOST}:${PORT}${PATH_CHECK}" \
+  --header="User-Agent: ${USER_AGENT}" \
+  --timeout="${HEALTH_TIMEOUT:-4}" >/dev/null