feat: simplify queue naming, remove stale docs, add Queue CRDs

- Queue name now just 'poimen-chunks' (no project suffix)
- Delete outdated CI/DESIGN docs (CLAUDE.md is source of truth)
- Add k8s/infra/queue.yaml: poimen-chunks + DLQ (Ready)
- Update test to expect new queue name format

k8s/infra/queue.yaml

@@ -0,0 +1,32 @@
+apiVersion: kmsvc.io/v1
+kind: Queue
+metadata:
+  name: poimen-chunks
+  namespace: sqs
+spec:
+  fifoQueue: false
+  visibilityTimeoutSeconds: 30
+  messageRetentionPeriodSeconds: 86400
+  maxReceiveCount: 3
+  deadLetterTargetQueue: poimen-chunks-dlq
+  delaySeconds: 0
+  partitionsPerShard: 2
+  minShards: 1
+  maxShards: 4
+  shardSplitThresholdBytesPerSec: 1048576
+  shardSplitCooldownSeconds: 300
+---
+apiVersion: kmsvc.io/v1
+kind: Queue
+metadata:
+  name: poimen-chunks-dlq
+  namespace: sqs
+spec:
+  fifoQueue: false
+  isDLQ: true
+  visibilityTimeoutSeconds: 30
+  messageRetentionPeriodSeconds: 604800
+  maxReceiveCount: 3
+  partitionsPerShard: 1
+  minShards: 1
+  maxShards: 1