Ingestor: update JetStream stream subjects on startup so events.camera gets covered (add_stream silently no-ops when stream exists)

app/ingestor.py

@@ -148,22 +148,26 @@ async def start_nats_consumer():
     nc = await nats.connect(NATS_URLS)
     js = nc.jetstream()
 
-    # Create stream if not exists
+    # Create stream if not exists; if it exists, UPDATE its subject list so
+    # newly added event types (e.g. events.camera) are actually covered.
+    from nats.js.api import StreamConfig
+    stream_cfg = StreamConfig(
+        name=NATS_STREAM,
+        subjects=[
+            "events.gdelt", "events.rss", "events.social",
+            "events.earthquake", "events.disaster", "events.weather",
+            "events.fire", "events.satellite", "events.new", "events.alert",
+            "events.camera",
+        ],
+        retention=nats.js.api.RetentionPolicy.LIMITS,
+        max_msgs=1_000_000,
+    )
     try:
-        await js.add_stream(
-            name=NATS_STREAM,
-            subjects=[
-                "events.gdelt", "events.rss", "events.social",
-                "events.earthquake", "events.disaster", "events.weather",
-                "events.fire", "events.satellite", "events.new", "events.alert",
-                "events.camera",
-            ],
-            retention=nats.js.api.RetentionPolicy.LIMITS,
-            max_msgs=1_000_000,
-        )
+        await js.add_stream(stream_cfg)
         logger.info("Created NATS stream %s", NATS_STREAM)
     except Exception:
-        logger.debug("Stream %s already exists", NATS_STREAM)
+        await js.update_stream(stream_cfg)
+        logger.info("Updated NATS stream %s subjects", NATS_STREAM)
 
     # Create durable consumer
     sub = await js.pull_subscribe(