[Bug] Add timeout configuration to fetch operations to prevent Research mode hangs

Bug Description
Fetch should have timeout, otherwise Research often hangs.

Environment Info

• Platform: win32
• Terminal: null
• Version: 2.1.85
• Feedback ID: be046678-eeaf-4dff-82a1-07b8bbff2933

Errors

[{"error":"ENOENT: no such file or directory, unlink 'C:\\Users\\User\\AppData\\Local\\Temp\\claude\\C--workspace-win-NNNvpn\\cf76f306-4c98-4227-a653-7b621c4f85bc\\tasks\\aad4314d93b1206bd.output'","timestamp":"2026-03-27T08:22:44.609Z"},{"error":"AxiosError: Request failed with status code 404\n    at ap (B:/~BUN/root/src/entrypoints/cli.js:123:1194)\n    at <anonymous> (B:/~BUN/root/src/entrypoints/cli.js:128:12769)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:861:50)\n    at processTicksAndRejections (native:7:39)\n    at request (B:/~BUN/root/src/entrypoints/cli.js:130:2467)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-27T08:24:34.661Z"},{"error":"CanceledError: canceled\n    at G (B:/~BUN/root/src/entrypoints/cli.js:128:7116)\n    at abort (unknown)\n    at TQ4 (B:/~BUN/root/src/entrypoints/cli.js:949:23083)\n    at abort (unknown)\n    at TQ4 (B:/~BUN/root/src/entrypoints/cli.js:949:23083)\n    at abort (unknown)\n    at TQ4 (B:/~BUN/root/src/entrypoints/cli.js:949:23083)\n    at abort (unknown)\n    at TQ4 (B:/~BUN/root/src/entrypoints/cli.js:949:23083)\n    at abort (unknown)\n    at request (B:/~BUN/root/src/entrypoints/cli.js:130:2467)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-27T08:36:11.978Z"},{"error":"CanceledError: canceled\n    at G (B:/~BUN/root/src/entrypoints/cli.js:128:7116)\n    at abort (unknown)\n    at TQ4 (B:/~BUN/root/src/entrypoints/cli.js:949:23083)\n    at abort (unknown)\n    at TQ4 (B:/~BUN/root/src/entrypoints/cli.js:949:23083)\n    at abort (unknown)\n    at TQ4 (B:/~BUN/root/src/entrypoints/cli.js:949:23083)\n    at abort (unknown)\n    at TQ4 (B:/~BUN/root/src/entrypoints/cli.js:949:23083)\n    at abort (unknown)\n    at request (B:/~BUN/root/src/entrypoints/cli.js:130:2467)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-27T08:36:11.978Z"}]