Codex 6e7d88db49 feat(fc-redis): add SignalR backplane for cross-product event bus (Q-SO-1 Phase A) ...

Per Q-SO-1 operator resolution 2026-05-11 PM, Redis SignalR backplane lands
in Phase A (was Phase C deferral). Treats Redis as a managed FC infrastructure
component, not a deferred scaling escalation.

Lands the minimal Phase A surface:
- Namespace fc-redis
- Single Redis 7-alpine pod with 1Gi Longhorn RWO PVC
- ConfigMap with AOF persistence (everysec), 256Mi maxmemory, allkeys-lru
- ClusterIP Service `redis.fc-redis.svc.cluster.local:6379` (in-cluster only)
- No AUTH Phase A (Phase B add via 1Password Connect rotation)
- No IngressRoute (backplane is server-to-server)

Consumers (Phase A IMPL across FC services) add:
  services.AddSignalR().AddStackExchangeRedis(
      "redis.fc-redis.svc.cluster.local:6379",
      opts => opts.Configuration.ChannelPrefix =
          StackExchange.Redis.RedisChannel.Literal("fc-opsconsole"));

Phase B/C follow-ons (not in this commit): Sentinel for HA, AUTH password
from 1Password, redis_exporter sidecar for Prometheus, network policies.

See FlowerCore.Notes/docs/signage/operations-console-phase-2-design.md
section 3.5 (rewritten) and decisions-waiting.html Q-SO-1 (RESOLVED).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-11 19:02:58 -05:00

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