slop

server/src/services/roverLearningService/index.js

@@ -0,0 +1,39 @@
+// The only resident part while disabled is this configuration lifecycle bridge.
+const { loadConfig, registerConfigurationHandler } = require('../../configuration');
+const logger = require('../../globals/logger').child('roverLearning');
+
+let runtime = null;
+let transitions = Promise.resolve();
+let shuttingDown = false;
+
+function apply(config) {
+  const transition = transitions.then(async () => {
+    if (runtime) {
+      const previous = runtime;
+      runtime = null;
+      await previous.stop();
+    }
+    if (!config?.enabled || shuttingDown) return;
+    const { createRuntime } = require('./runtime');
+    const next = createRuntime({ config, logger });
+    try {
+      await next.start();
+      runtime = next;
+    } catch (error) {
+      await next.stop();
+      throw error;
+    }
+  });
+  transitions = transition.catch(() => undefined);
+  return transition;
+}
+
+registerConfigurationHandler('roverLearning', apply);
+apply(loadConfig().roverLearning).catch((error) => {
+  logger.error('Unable to start rover learning recording', { error: error.message });
+});
+
+// Signal handlers are installed by the enabled runtime, not by this bridge.
+module.exports = {
+  stop: () => { shuttingDown = true; return apply({ enabled: false }); },
+};