fix(github): preserve Tasks outage attribution

src/main/github/client-issue-source.test.ts

@@ -228,6 +228,22 @@ describe('GitHub issue source split', () => {
     )
   })
 
+  it.each(['is:issue', 'is:pr'])(
+    'propagates GitHub outages for scoped %s queries',
+    async (query) => {
+      getIssueOwnerRepoMock.mockResolvedValueOnce({ owner: 'stablyai', repo: 'orca' })
+      getOwnerRepoMock.mockResolvedValueOnce({ owner: 'fork', repo: 'orca' })
+      ghExecFileAsyncMock.mockRejectedValueOnce(new Error('HTTP 503: Service Unavailable'))
+
+      await expect(listWorkItems('/repo-root', 10, query)).rejects.toThrow(
+        'HTTP 503: Service Unavailable'
+      )
+
+      // The outage signal reuses the failed request; it must not add retry subprocesses.
+      expect(ghExecFileAsyncMock).toHaveBeenCalledTimes(1)
+    }
+  )
+
   it("uses upstream for recent PRs when preference='upstream'", async () => {
     resolveIssueSourceMock.mockResolvedValueOnce({
       source: { owner: 'stablyai', repo: 'orca' },

src/main/github/client.ts

@@ -1288,6 +1288,11 @@ async function listQueriedWorkItems(
       }
     } catch (err) {
       const stderr = err instanceof Error ? err.message : String(err)
+      if (!prScope && classifyGitHubUnavailable(stderr)) {
+        // Why: a scoped issue query has no successful side to preserve. Let the
+        // cross-repo caller attribute the empty result to GitHub instead.
+        throw err
+      }
       return { items: [], issuesError: classifyListIssuesError(stderr) }
     }
   })()
@@ -1320,6 +1325,12 @@ async function listQueriedWorkItems(
       return hydrated
     } catch (err) {
       console.warn('listQueriedWorkItems PRs partial failure:', err)
+      const stderr = err instanceof Error ? err.message : String(err)
+      if (!issueScope && classifyGitHubUnavailable(stderr)) {
+        // Why: Tasks scopes every query to one work-item kind. Propagate an
+        // outage instead of converting the only failed source into an empty list.
+        throw err
+      }
       return []
     }
   })()