[Bug] Research mode hangs indefinitely on simple queries

Bug Description
research got hung and continued >25min without doing anything on simple question

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 2.0.60
• Feedback ID: 5cc201e1-1ca6-4113-aee1-bc73f42a46ff

Errors

[{"error":"Error\n    at qf (/$bunfs/root/claude:174:1143)\n    at <anonymous> (/$bunfs/root/claude:175:10080)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:861:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/claude:177:2147)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T09:54:34.752Z"},{"error":"Error\n    at qf (/$bunfs/root/claude:174:1143)\n    at <anonymous> (/$bunfs/root/claude:175:10080)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:861:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/claude:177:2147)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T09:54:34.756Z"},{"error":"Error\n    at qf (/$bunfs/root/claude:174:1143)\n    at <anonymous> (/$bunfs/root/claude:175:10080)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:861:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/claude:177:2147)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T09:54:34.858Z"},{"error":"Error\n    at qf (/$bunfs/root/claude:174:1143)\n    at <anonymous> (/$bunfs/root/claude:175:10080)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:861:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/claude:177:2147)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T09:54:35.315Z"},{"error":"MaxFileReadTokenExceededError: File content (27367 tokens) exceeds maximum allowed tokens (25000). Please use offset and limit parameters to read specific portions of the file, or use the GrepTool to search for specific content.\n    at liB (/$bunfs/root/claude:1395:10588)\n    at async call (/$bunfs/root/claude:1404:972)\n    at async <anonymous> (/$bunfs/root/claude:1616:1513)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T09:55:43.458Z"},{"error":"MaxFileReadTokenExceededError: File content (27367 tokens) exceeds maximum allowed tokens (25000). Please use offset and limit parameters to read specific portions of the file, or use the GrepTool to search for specific content.\n    at liB (/$bunfs/root/claude:1395:10588)\n    at async call (/$bunfs/root/claude:1404:972)\n    at async <anonymous> (/$bunfs/root/claude:1616:1513)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T09:56:00.147Z"},{"error":"MaxFileReadTokenExceededError: File content (27367 tokens) exceeds maximum allowed tokens (25000). Please use offset and limit parameters to read specific portions of the file, or use the GrepTool to search for specific content.\n    at liB (/$bunfs/root/claude:1395:10588)\n    at async call (/$bunfs/root/claude:1404:972)\n    at async <anonymous> (/$bunfs/root/claude:1616:1513)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T09:56:04.852Z"},{"error":"MaxFileReadTokenExceededError: File content (27367 tokens) exceeds maximum allowed tokens (25000). Please use offset and limit parameters to read specific portions of the file, or use the GrepTool to search for specific content.\n    at liB (/$bunfs/root/claude:1395:10588)\n    at async call (/$bunfs/root/claude:1404:972)\n    at async <anonymous> (/$bunfs/root/claude:1616:1513)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T09:56:36.831Z"},{"error":"MaxFileReadTokenExceededError: File content (39187 tokens) exceeds maximum allowed tokens (25000). Please use offset and limit parameters to read specific portions of the file, or use the GrepTool to search for specific content.\n    at liB (/$bunfs/root/claude:1395:10588)\n    at async call (/$bunfs/root/claude:1404:972)\n    at async <anonymous> (/$bunfs/root/claude:1616:1513)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T10:10:06.393Z"}]