Fix routine assignment wakeups

Share issue-assignment wakeup logic between direct issue creation and routine-created execution issues, and add regression coverage for the routine path.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

server/src/routes/issues.ts

@@ -35,6 +35,7 @@ import { forbidden, HttpError, unauthorized } from "../errors.js";
 import { assertCompanyAccess, getActorInfo } from "./authz.js";
 import { shouldWakeAssigneeOnCheckout } from "./issues-checkout-wakeup.js";
 import { isAllowedContentType, MAX_ATTACHMENT_BYTES } from "../attachment-types.js";
+import { queueIssueAssignmentWakeup } from "../services/issue-assignment-wakeup.js";
 
 const MAX_ISSUE_COMMENT_LIMIT = 500;
 
@@ -781,19 +782,15 @@ export function issueRoutes(db: Db, storage: StorageService) {
       details: { title: issue.title, identifier: issue.identifier },
     });
 
-    if (issue.assigneeAgentId && issue.status !== "backlog") {
-      void heartbeat
-        .wakeup(issue.assigneeAgentId, {
-          source: "assignment",
-          triggerDetail: "system",
-          reason: "issue_assigned",
-          payload: { issueId: issue.id, mutation: "create" },
-          requestedByActorType: actor.actorType,
-          requestedByActorId: actor.actorId,
-          contextSnapshot: { issueId: issue.id, source: "issue.create" },
-        })
-        .catch((err) => logger.warn({ err, issueId: issue.id }, "failed to wake assignee on issue create"));
-    }
+    queueIssueAssignmentWakeup({
+      heartbeat,
+      issue,
+      reason: "issue_assigned",
+      mutation: "create",
+      contextSource: "issue.create",
+      requestedByActorType: actor.actorType,
+      requestedByActorId: actor.actorId,
+    });
 
     res.status(201).json(issue);
   });