feat(simulator): real-time (1s), fix ENABLE_PULSAR, add Pulsar/Redpanda publish, fix InfluxDB URL

- Change INTERVAL to 1s for real-time sensor data
- Fix ENABLE_PULSAR comparison (accept 'true'/'false' strings)
- Add publish_pulsar() and publish_redpanda() functions
- Fix InfluxDB URL (smart-city-influxdb instead of digital-twin-influxdb)
- Add docker-compose.yml with simulator service
- Add redpanda config and start script
- Add session_resume_2026-05-05.md

redpanda/redpanda.yaml

@@ -0,0 +1,29 @@
+# Redpanda configuration for Smart City Digital Twin Martinique
+# Minimal working config - Kafka + Admin API only
+
+redpanda:
+  node_id: 0
+  data_directory: /var/lib/redpanda/data
+
+  kafka_api:
+    - name: internal
+      address: 0.0.0.0
+      port: 9092
+
+  advertised_kafka_api:
+    - name: internal
+      address: smart-city-redpanda
+      port: 9092
+
+  admin:
+    - address: 0.0.0.0
+      port: 9644
+
+# Seastar settings
+seastar:
+  smp: 1
+  memory: 1G
+  reserve_memory: 256M
+  overprovisioned: true
+
+developer_mode: true