fix: Fallback to any Linear integration (#10458)

* Fallback to any integration

* fix: Cannot unfurl Linear links without creator

plugins/linear/server/linear.ts

@@ -13,6 +13,8 @@ import { UnfurlIssueOrPR, UnfurlSignature } from "@server/types";
 import { LinearUtils } from "../shared/LinearUtils";
 import env from "./env";
 import { Minute } from "@shared/utils/time";
+import { opts } from "@server/utils/i18n";
+import { t } from "i18next";
 
 const AccessTokenResponseSchema = z.object({
   access_token: z.string(),
@@ -111,18 +113,25 @@ export class Linear {
       return;
     }
 
-    const integration = (await Integration.scope("withAuthentication").findOne({
-      where: {
-        service: IntegrationService.Linear,
-        teamId: actor.teamId,
-        "settings.linear.workspace.key": resource.workspaceKey,
-      },
-    })) as Integration<IntegrationType.Embed>;
+    const integrations = (await Integration.scope("withAuthentication").findAll(
+      {
+        where: {
+          service: IntegrationService.Linear,
+          teamId: actor.teamId,
+        },
+      }
+    )) as Integration<IntegrationType.Embed>[];
 
-    if (!integration) {
+    if (integrations.length === 0) {
       return;
     }
 
+    // Prefer integration with matching workspaceKey, otherwise pick the first one
+    const integration =
+      integrations.find(
+        (int) => int.settings.linear?.workspace.key === resource.workspaceKey
+      ) ?? integrations[0];
+
     try {
       const accessToken = await integration.authentication.refreshTokenIfNeeded(
         async (refreshToken: string) => Linear.refreshToken(refreshToken),
@@ -142,7 +151,7 @@ export class Linear {
         issue.paginate(issue.labels, {}),
       ]);
 
-      if (!author || !state || !labels) {
+      if (!state || !labels) {
         return { error: "Failed to fetch auxiliary data from Linear" };
       }
 
@@ -159,8 +168,12 @@ export class Linear {
         title: issue.title,
         description: issue.description ?? null,
         author: {
-          name: author.name,
-          avatarUrl: author.avatarUrl ?? "",
+          name:
+            author?.name ??
+            issue.botActor?.userDisplayName ??
+            issue.botActor?.name ??
+            t("Unknown", opts(actor)),
+          avatarUrl: author?.avatarUrl ?? "",
         },
         labels: labels.map((label) => ({
           name: label.name,