fix linear CI fetch ownership and help contract

src/cli/index.test.ts

@@ -450,7 +450,7 @@ describe('orca root help', () => {
     expect(listIssuesHelp).toContain('--workspace <id|all>  Connected Linear workspace id, or all')
     expect(listIssuesHelp).toContain('0=none, 1=urgent, 2=high, 3=medium, 4=low')
     expect(listIssuesHelp).toContain(
-      '--limit <n>            Max issues to return; omit to return every match'
+      '--limit <n>            Max issues to return; omit to read until exhaustion or a capacity/time stop'
     )
     expect(listIssuesHelp).not.toContain('Line cursor from a previous read')
     expect(callMock).not.toHaveBeenCalled()

src/cli/specs/linear-mcp.ts

@@ -73,7 +73,7 @@ export const LINEAR_MCP_COMMAND_SPECS: CommandSpec[] = [
       'orca linear list-issues --cursor <cursor> --json'
     ],
     notes: [
-      'Omitting --limit returns every match (result.meta.limit is null); --limit <n> caps the read.',
+      'Omitting --limit reads until exhaustion or a capacity/time stop (result.meta.limit is null); --limit <n> caps the read.',
       'JSON sets result.truncated when a cap held results back; text prints truncated: showing N.',
       'Reuse --cursor from the previous page. Issued cursors bind the workspace; raw Linear cursors still need --workspace.',
       '--priority is 0=none, 1=urgent, 2=high, 3=medium, 4=low. JSON includes priorityLabel on each issue.'

src/main/linear/mcp-issue-list-acquisition.ts

@@ -4,6 +4,7 @@ import { ISSUE_FIELDS } from './issue-context-raw'
 import { linearError } from './issue-context-errors'
 import { readFetchResponseBytesWithinLimit } from '../../shared/fetch-response-body'
 import { assertJsonTextStructureWithinLimits } from '../../shared/json-text-structure-limit'
+import { getMainHttpClient } from '../network/http-client'
 
 const nullableText = z.string().nullish()
 const named = z.object({
@@ -78,7 +79,7 @@ export async function acquireIssueListPage(
       : (apiKey ?? '')
   })
   new Headers(suppliedHeaders).forEach((value, name) => headers.set(name, value))
-  const response = await fetch(apiUrl ?? 'https://api.linear.app/graphql', {
+  const response = await getMainHttpClient().fetch(apiUrl ?? 'https://api.linear.app/graphql', {
     ...init,
     method: 'POST',
     headers,