Phase 6.6: Add kmsvc Topic Creation (4 methods)

Topic Creation Methods: 1. Manual CLI (Fastest - 2 min): └─ kubectl port-forward + curl POST /v1/queues └─ k8s/config/create-kmsvc-topics.sh (interactive) 2. Kubernetes Job (Automated - 1 min): └─ kubectl apply kmsvc-topics-job.yaml └─ Runs once, creates topics if not exist └─ Can re-run safely 3. Terraform (IaC - 2 min): └─ terraform apply -target=null_resource.create_kmsvc_topics └─ Tracks topic creation in .tfstate └─ Idempotent 4. Shell Script (Interactive - 1 min): └─ ./create-kmsvc-topics.sh └─ Auto port-forward or manual mode └─ Color output + progress logging Topics Created: 1. poimen-memory-dlq (DLQ for extraction + webhook + agent) ├─ Retention: 14 days (1,209,600 seconds) ├─ Visibility: 5 minutes (300 seconds) ├─ Messages: {id, type, workflow_id, error, timestamp, ...} └─ Consumer: queue_worker_dlq.rs::DlqHandler 2. poimen-memory-metric-dlq (DLQ for metrics failures) ├─ Retention: 14 days ├─ Visibility: 5 minutes ├─ Messages: {id, type, agent_id, error, timestamp, ...} └─ Consumer: (future) metrics replay handler Files Added: 1. k8s/config/create-kmsvc-topics.sh (executable) ├─ 90 lines ├─ Auto port-forward + retry logic ├─ Color output + error handling └─ Usage: ./create-kmsvc-topics.sh [manual] 2. k8s/config/kmsvc-topics-job.yaml (Kubernetes) ├─ Job resource (one-time execution) ├─ Uses curl container ├─ Waits for management-service readiness ├─ 30-second retry loop └─ Non-fatal on existing topics 3. k8s/config/terraform-kmsvc-topics.tf (Terraform) ├─ null_resource with local-exec ├─ Variables for endpoint + namespace ├─ Idempotent + traceable └─ Outputs: created_topics + test_commands 4. docs/PHASE_6_6_KMSVC_TOPICS.md (Complete Guide) ├─ Table of topics + config ├─ 4 creation methods with examples ├─ Verification commands ├─ Message format specs ├─ Monitoring + alerts ├─ Troubleshooting guide └─ Next steps checklist Verification Commands: ✅ List all topics: curl http://localhost:8080/v1/queues ✅ Check specific topic: curl http://localhost:8080/v1/queues/poimen-memory-dlq ✅ Send test message: curl -X POST http://localhost:8080/v1/queues/poimen-memory-dlq/messages -H "Content-Type: application/json" -d '{"body": "{\"type\": \"test\"}"}' ✅ Receive messages: curl -X POST http://localhost:8080/v1/queues/poimen-memory-dlq/messages/receive -H "Content-Type: application/json" -d '{"maxNumberOfMessages": 10}' Integration Points: Phase 6.6 Code → kmsvc Topics: 1. webhook_executor.rs::send_dlq_message() └─ On max retries: Send to poimen-memory-dlq └─ Payload: {workflow_id, webhook_url, status, error, ...} 2. metrics_persistence.rs::send_persistence_dlq() └─ On DB failure: Send to poimen-memory-metric-dlq └─ Payload: {agent_id, error, timestamp} 3. queue_worker_dlq.rs::DlqHandler └─ Processes poimen-memory-dlq messages └─ Retries extraction failures Production Checklist: ✅ Topics defined (2 topics) ✅ Configuration documented (retention, visibility) ✅ Creation methods (4 options) ✅ Verification commands ✅ Message formats specified ✅ Monitoring guide ✅ Troubleshooting guide ✅ Ready for deployment Next Steps: 1. Choose creation method (recommend Method 1 for fast testing) 2. Create topics: ./create-kmsvc-topics.sh or kubectl apply job 3. Verify: curl http://localhost:8080/v1/queues 4. Deploy memory service (Phase 6.5) 5. Test webhook + metrics failures send to DLQ 6. Monitor DLQ lag + message rate (Phase 7) Phase 6.6 Complete: ✅ - Webhook execution: ✅ - Metrics persistence: ✅ - kmsvc DLQ integration: ✅ - Topic creation (4 methods): ✅ - Documentation: ✅
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+# Phase 6.6: kmsvc Topic Creation Guide
+
+## Topics
+
+| Topic Name | Purpose | Retention | Visibility Timeout |
+|-----------|---------|-----------|-------------------|
+| `poimen-memory-dlq` | Extraction, webhook, agent failures | 14 days (1,209,600s) | 5 min (300s) |
+| `poimen-memory-metric-dlq` | Metrics persistence failures | 14 days | 5 min |
+
+## Methods to Create Topics
+
+### Method 1: Manual via CLI (Fastest)
+
+```bash
+# Port-forward to management-service
+kubectl -n sqs port-forward svc/management-service 8080:8080 &
+
+# Create poimen-memory-dlq
+curl -X POST http://localhost:8080/v1/queues \
+  -H "Content-Type: application/json" \
+  -d '{
+    "name": "poimen-memory-dlq",
+    "fifoQueue": false,
+    "visibilityTimeoutSeconds": 300,
+    "messageRetentionPeriodSeconds": 1209600
+  }'
+
+# Create poimen-memory-metric-dlq
+curl -X POST http://localhost:8080/v1/queues \
+  -H "Content-Type: application/json" \
+  -d '{
+    "name": "poimen-memory-metric-dlq",
+    "fifoQueue": false,
+    "visibilityTimeoutSeconds": 300,
+    "messageRetentionPeriodSeconds": 1209600
+  }'
+
+# Verify topics were created
+curl http://localhost:8080/v1/queues | jq
+```
+
+### Method 2: Kubernetes Job (Automated)
+
+```bash
+# Deploy the job (creates topics automatically)
+kubectl apply -f k8s/config/kmsvc-topics-job.yaml
+
+# Watch job progress
+kubectl -n poimen logs -f job/create-poimen-memory-kmsvc-topics
+
+# Verify job completed
+kubectl -n poimen get job create-poimen-memory-kmsvc-topics
+```
+
+### Method 3: Terraform (IaC)
+
+```bash
+# Navigate to config directory
+cd k8s/config
+
+# Initialize Terraform
+terraform init
+
+# Create topics
+terraform apply -target=null_resource.create_kmsvc_topics \
+  -var="management_service_endpoint=http://localhost:8080"
+
+# Verify creation
+curl http://localhost:8080/v1/queues | jq
+```
+
+### Method 4: Shell Script (Interactive)
+
+```bash
+# Make script executable
+chmod +x k8s/config/create-kmsvc-topics.sh
+
+# Run with auto port-forward
+./k8s/config/create-kmsvc-topics.sh
+
+# Or manual port-forward
+./k8s/config/create-kmsvc-topics.sh manual
+```
+
+## Verification
+
+### List all queues
+```bash
+curl http://localhost:8080/v1/queues | jq
+```
+
+### Check specific queue exists
+```bash
+curl http://localhost:8080/v1/queues/poimen-memory-dlq | jq
+```
+
+### Send test message to DLQ
+```bash
+curl -X POST http://localhost:8080/v1/queues/poimen-memory-dlq/messages \
+  -H "Content-Type: application/json" \
+  -d '{
+    "body": "{\"type\": \"test\", \"workflow_id\": \"test-123\"}"
+  }'
+```
+
+### Receive messages from DLQ
+```bash
+curl -X POST http://localhost:8080/v1/queues/poimen-memory-dlq/messages/receive \
+  -H "Content-Type: application/json" \
+  -d '{"maxNumberOfMessages": 10}'
+```
+
+## Queue Configuration Details
+
+### poimen-memory-dlq
+
+**Used by**:
+- Extraction failures (contradiction detection, validation)
+- Webhook execution failures (after all retries)
+- Agent initialization failures
+
+**Message Format**:
+```json
+{
+  "id": "uuid",
+  "type": "extraction_failure|webhook_failure|agent_failure",
+  "workflow_id": "wf-123",
+  "webhook_url": "http://...",
+  "error": "error message",
+  "timestamp": "2025-01-30T10:00:00Z",
+  "retry_count": 0,
+  "max_retries": 3,
+  "topic": "poimen-memory-dlq"
+}
+```
+
+**Processing**:
+- Consumer: `queue_worker_dlq.rs::DlqHandler`
+- Retry policy: Up to 3 retries via exponential backoff
+- TTL: 14 days (can be re-processed manually)
+
+### poimen-memory-metric-dlq
+
+**Used by**:
+- Metrics persistence failures (DB down, connection errors)
+
+**Message Format**:
+```json
+{
+  "id": "uuid",
+  "type": "metrics_persistence_failure",
+  "agent_id": "agent-123",
+  "error": "DB connection failed",
+  "timestamp": "2025-01-30T10:00:00Z",
+  "topic": "poimen-memory-metric-dlq"
+}
+```
+
+**Processing**:
+- Consumer: `metrics_persistence.rs::send_persistence_dlq()`
+- Retry policy: Manual intervention or scheduled replay
+- TTL: 14 days (allows recovery window)
+
+## Connection Pooling
+
+If using kmsvc producer client in Rust:
+
+```rust
+use rdkafka::producer::FutureProducer;
+use rdkafka::ClientConfig;
+
+let producer: FutureProducer = ClientConfig::new()
+    .set("bootstrap.servers", "kafka.sqs.svc.cluster.local:9092")
+    .set("client.id", "poimen-memory-producer")
+    .create()
+    .expect("Producer creation failed");
+
+// Send message to DLQ
+producer
+    .send(
+        FutureRecord::to("poimen-memory-dlq")
+            .key(&workflow_id)
+            .payload(&dlq_message),
+        Duration::from_secs(30),
+    )
+    .await?;
+```
+
+## Monitoring
+
+### Prometheus Metrics
+
+```
+# Messages sent to DLQ
+dlq_messages_sent_total{topic="poimen-memory-dlq"} 5
+dlq_messages_sent_total{topic="poimen-memory-metric-dlq"} 2
+
+# Message lag
+dlq_consumer_lag{topic="poimen-memory-dlq"} 0
+```
+
+### Alerts
+
+Set up alerts if:
+- DLQ message lag > 100 (backlog accumulating)
+- DLQ message rate > 10/min (high failure rate)
+- DLQ messages older than 7 days (not being processed)
+
+## Troubleshooting
+
+### Topic already exists error
+```bash
+# This is OK - it means the topic was already created
+# You can safely ignore this error
+
+# To force recreation, delete first:
+curl -X DELETE http://localhost:8080/v1/queues/poimen-memory-dlq
+```
+
+### Connection refused to management-service
+```bash
+# Verify port-forward is running
+ps aux | grep "port-forward.*management-service"
+
+# Check service is running
+kubectl -n sqs get svc management-service
+
+# Restart port-forward
+pkill -f "port-forward.*management-service"
+kubectl -n sqs port-forward svc/management-service 8080:8080 &
+```
+
+### Topics not appearing in list
+```bash
+# Verify topic creation response was successful
+curl -v -X POST http://localhost:8080/v1/queues \
+  -H "Content-Type: application/json" \
+  -d '{"name": "test-topic", "fifoQueue": false}'
+
+# Check for HTTP 200/201 response
+# If 400/409, check error message
+```
+
+## Next Steps
+
+1. ✅ Create topics via one of the methods above
+2. ✅ Verify topics exist with `curl http://localhost:8080/v1/queues`
+3. ✅ Deploy memory service (will start sending DLQ messages on failures)
+4. ⏳ Monitor DLQ message rate + latency
+5. ⏳ Set up consumer group for DLQ replay
+6. ⏳ Add alerting for DLQ backlog (Phase 7)
+
+## References
+
+- Management Service API: `https://kmsvc.riotpiao.com/docs`
+- kmsvc Kafka Broker: `kafka.sqs.svc.cluster.local:9092`
+- Phase 6.6 Code: `crates/mem-cli/src/queue/kmsvc_topics.rs`
+- Webhook Executor: `crates/mem-cli/src/handlers/webhook_executor.rs`
+- Metrics Persistence: `crates/mem-cli/src/handlers/metrics_persistence.rs`
+
+---
+
+**Status**: 🟢 Ready to create topics. Choose Method 1 (fastest) or Method 2 (automated).
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+#!/bin/bash
+# Phase 6.6: Create kmsvc (Kafka Message Service) Topics
+# Topics:
+#   - poimen-memory-dlq (extraction + webhook + agent failures)
+#   - poimen-memory-metric-dlq (metrics persistence failures)
+#
+# Prerequisites:
+#   1. kubectl access to cluster (SQS namespace)
+#   2. management-service running and accessible
+#
+# Usage:
+#   ./create-kmsvc-topics.sh              (auto port-forward)
+#   ./create-kmsvc-topics.sh manual       (assumes port-forward exists)
+
+set -e
+
+NAMESPACE=${NAMESPACE:-sqs}
+SERVICE=${SERVICE:-management-service}
+PORT=${PORT:-8080}
+MANUAL_PORTFORWARD=${1:-auto}
+
+# Colors
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+echo -e "${YELLOW}========================================${NC}"
+echo -e "${YELLOW}Creating kmsvc Topics for Poimen Memory${NC}"
+echo -e "${YELLOW}========================================${NC}"
+
+# Setup port-forward if needed
+if [ "$MANUAL_PORTFORWARD" != "manual" ]; then
+    echo -e "${YELLOW}Setting up port-forward to $SERVICE...${NC}"
+    
+    # Kill existing port-forward if running
+    pkill -f "kubectl.*port-forward.*$SERVICE" || true
+    sleep 1
+    
+    # Start port-forward in background
+    kubectl -n $NAMESPACE port-forward svc/$SERVICE $PORT:8080 &
+    PORTFORWARD_PID=$!
+    trap "kill $PORTFORWARD_PID" EXIT
+    
+    sleep 3
+    echo -e "${GREEN}Port-forward started (PID: $PORTFORWARD_PID)${NC}"
+fi
+
+ENDPOINT="http://localhost:$PORT/v1/queues"
+
+# Helper function to create topic
+create_topic() {
+    local topic_name=$1
+    local description=$2
+    
+    echo ""
+    echo -e "${YELLOW}Creating topic: ${topic_name}${NC}"
+    echo "Description: ${description}"
+    
+    # Try to create (SQS-style API)
+    response=$(curl -s -X POST "$ENDPOINT" \
+        -H "Content-Type: application/json" \
+        -d "{
+            \"name\": \"${topic_name}\",
+            \"fifoQueue\": false,
+            \"visibilityTimeoutSeconds\": 300,
+            \"messageRetentionPeriodSeconds\": 1209600
+        }")
+    
+    if echo "$response" | grep -q '"name"'; then
+        echo -e "${GREEN}✓ Created: ${topic_name}${NC}"
+        echo "Response: $response"
+    elif echo "$response" | grep -q 'already exists'; then
+        echo -e "${YELLOW}⚠ Already exists: ${topic_name}${NC}"
+    else
+        echo -e "${RED}✗ Failed to create: ${topic_name}${NC}"
+        echo "Response: $response"
+        return 1
+    fi
+}
+
+# Create topics
+create_topic "poimen-memory-dlq" "DLQ for extraction, webhook, and agent failures"
+create_topic "poimen-memory-metric-dlq" "DLQ for metrics persistence failures"
+
+# List all queues
+echo ""
+echo -e "${YELLOW}Listing all queues:${NC}"
+curl -s "$ENDPOINT" | jq '.' || curl -s "$ENDPOINT"
+
+echo ""
+echo -e "${GREEN}========================================${NC}"
+echo -e "${GREEN}Topic creation complete!${NC}"
+echo -e "${GREEN}========================================${NC}"
@@ -0,0 +1,99 @@
+# Phase 6.6: Kubernetes Job to Create kmsvc Topics
+# This Job runs once to create required Kafka topics
+# Can be re-run if topics need to be recreated
+
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: create-poimen-memory-kmsvc-topics
+  namespace: poimen
+  labels:
+    app: poimen-memory
+    phase: "6.6"
+spec:
+  backoffLimit: 3
+  activeDeadlineSeconds: 600
+  template:
+    metadata:
+      labels:
+        app: poimen-memory
+        job: create-kmsvc-topics
+    spec:
+      serviceAccountName: memory-app
+      restartPolicy: Never
+      containers:
+      - name: create-topics
+        image: curlimages/curl:latest
+        imagePullPolicy: IfNotPresent
+        
+        command:
+        - /bin/sh
+        - -c
+        - |
+          set -e
+          
+          echo "Creating kmsvc topics for Poimen Memory..."
+          
+          # Wait for management-service to be ready
+          echo "Waiting for management-service to be ready..."
+          for i in {1..30}; do
+            if curl -s http://management-service.sqs.svc.cluster.local:8080/v1/queues > /dev/null 2>&1; then
+              echo "management-service is ready"
+              break
+            fi
+            echo "Attempt $i/30: Waiting for management-service..."
+            sleep 2
+          done
+          
+          # Create poimen-memory-dlq
+          echo "Creating topic: poimen-memory-dlq"
+          curl -X POST http://management-service.sqs.svc.cluster.local:8080/v1/queues \
+            -H "Content-Type: application/json" \
+            -d '{
+              "name": "poimen-memory-dlq",
+              "fifoQueue": false,
+              "visibilityTimeoutSeconds": 300,
+              "messageRetentionPeriodSeconds": 1209600
+            }' || echo "Topic may already exist"
+          
+          # Create poimen-memory-metric-dlq
+          echo "Creating topic: poimen-memory-metric-dlq"
+          curl -X POST http://management-service.sqs.svc.cluster.local:8080/v1/queues \
+            -H "Content-Type: application/json" \
+            -d '{
+              "name": "poimen-memory-metric-dlq",
+              "fifoQueue": false,
+              "visibilityTimeoutSeconds": 300,
+              "messageRetentionPeriodSeconds": 1209600
+            }' || echo "Topic may already exist"
+          
+          # List queues
+          echo "Listing all queues:"
+          curl http://management-service.sqs.svc.cluster.local:8080/v1/queues
+          
+          echo "Done!"
+        
+        resources:
+          requests:
+            cpu: "50m"
+            memory: "64Mi"
+          limits:
+            cpu: "100m"
+            memory: "128Mi"
+        
+        securityContext:
+          allowPrivilegeEscalation: false
+          readOnlyRootFilesystem: true
+          runAsNonRoot: true
+          runAsUser: 1000
+
+---
+# ServiceAccount for the job (reuse memory-app SA)
+# If not exists, create it:
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: memory-app
+  namespace: poimen
+  labels:
+    app: poimen-memory
@@ -0,0 +1,113 @@
+# Phase 6.6: Terraform Module to Create kmsvc Topics
+# Topics:
+#   - poimen-memory-dlq
+#   - poimen-memory-metric-dlq
+#
+# Usage:
+#   terraform init
+#   terraform apply -target=null_resource.create_kmsvc_topics
+#
+# Or add to existing Terraform stack
+
+terraform {
+  required_version = ">= 1.0"
+  required_providers {
+    null = {
+      source  = "hashicorp/null"
+      version = "~> 3.2"
+    }
+  }
+}
+
+# Variables
+variable "management_service_endpoint" {
+  description = "Management service endpoint (SQS API)"
+  type        = string
+  default     = "http://localhost:8080"
+}
+
+variable "namespace" {
+  description = "Kubernetes namespace for port-forward"
+  type        = string
+  default     = "sqs"
+}
+
+variable "service_name" {
+  description = "Management service name"
+  type        = string
+  default     = "management-service"
+}
+
+# Local function to create topics
+locals {
+  topics = {
+    "poimen-memory-dlq" = {
+      description                   = "DLQ for extraction, webhook, and agent failures"
+      fifoQueue                      = false
+      visibilityTimeoutSeconds       = 300
+      messageRetentionPeriodSeconds  = 1209600  # 14 days
+    }
+    "poimen-memory-metric-dlq" = {
+      description                   = "DLQ for metrics persistence failures"
+      fifoQueue                      = false
+      visibilityTimeoutSeconds       = 300
+      messageRetentionPeriodSeconds  = 1209600  # 14 days
+    }
+  }
+}
+
+# Create topics via null_resource + local-exec
+resource "null_resource" "create_kmsvc_topics" {
+  for_each = local.topics
+
+  provisioner "local-exec" {
+    command = <<-EOT
+      curl -X POST "${var.management_service_endpoint}/v1/queues" \
+        -H "Content-Type: application/json" \
+        -d '{
+          "name": "${each.key}",
+          "fifoQueue": ${each.value.fifoQueue},
+          "visibilityTimeoutSeconds": ${each.value.visibilityTimeoutSeconds},
+          "messageRetentionPeriodSeconds": ${each.value.messageRetentionPeriodSeconds}
+        }' \
+        -w "\nResponse Status: %{http_code}\n" || echo "Topic creation failed or already exists"
+    EOT
+  }
+
+  triggers = {
+    topic_name = each.key
+    endpoint   = var.management_service_endpoint
+  }
+}
+
+# Output
+output "created_topics" {
+  description = "Created kmsvc topics"
+  value       = keys(local.topics)
+}
+
+output "management_service_endpoint" {
+  description = "Management service endpoint used"
+  value       = var.management_service_endpoint
+}
+
+# Instructions for local testing
+output "local_test_commands" {
+  description = "Commands to test locally"
+  value = <<-EOT
+    # Port-forward
+    kubectl -n ${var.namespace} port-forward svc/${var.service_name} 8080:8080 &
+    
+    # Create topics
+    terraform apply -target=null_resource.create_kmsvc_topics \
+      -var="management_service_endpoint=http://localhost:8080"
+    
+    # List topics
+    curl http://localhost:8080/v1/queues | jq
+    
+    # Send test message to DLQ
+    curl -X POST http://localhost:8080/v1/queues/poimen-memory-dlq/messages \
+      -H "Content-Type: application/json" \
+      -d '{"body": "test message"}'
+  EOT
+}