feat(coding): keep one ongoing conversation per delivered agent

electron/coding-teacher/cloud-runner.ts

@@ -212,7 +212,7 @@ export function prepareCloudTeacher(
         id: requestId,
         read_protocol: TEACHER_READ_PROTOCOL,
         scope: {
-          project_id: topic.projectId,
+          project_id: currentRequest?.projectId ?? topic.projectId,
           source_session_id: currentRequest?.sourceConversationId ?? topic.sourceConversationId,
         },
         tools: tools?.definitions.map((item) => item.function.name) ?? [],
@@ -238,7 +238,7 @@ export function prepareCloudTeacher(
         if (previous && previous.status !== 'completed') {
           try {
             await transport.json(
-              '/questions/' + encodeURIComponent(previous.id) + '/cancel',
+              '/questions/' + encodeURIComponent(previous.cloudRequestId ?? previous.id) + '/cancel',
               {},
               bounded
             );
@@ -249,8 +249,8 @@ export function prepareCloudTeacher(
         let queued = await transport.json(
           '/questions',
           {
-            teacher_version: topic.version,
-            thread_id: topic.id,
+            teacher_version: currentRequest?.teacherVersion ?? topic.version,
+            thread_id: currentRequest?.runtimeThreadId ?? topic.id,
             request_id: requestId,
             query,
             local_context: localContext,