[Bug Report] Background agent response is not parsed correctly

Bug Description

Environment Info

• Platform: linux
• Terminal: konsole
• Version: 2.1.34
• Feedback ID: 05651bbe-8177-4080-a33c-fb7b992c710b

Errors

[{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at e6H (/$bunfs/root/claude:2951:30170)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:01:58.712Z"},{"error":"Error: LSP server plugin:typescript-lsp:typescript failed to start: Executable not found in $PATH: \"typescript-language-server\"\n    at start (/$bunfs/root/claude:2080:22314)\n    at async f (/$bunfs/root/claude:2080:24762)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:01:59.441Z"},{"error":"Error: Executable not found in $PATH: \"typescript-language-server\"\n    at spawn (unknown)\n    at spawn (node:child_process:669:35)\n    at spawn (node:child_process:14:39)\n    at start (/$bunfs/root/claude:2080:20844)\n    at start (/$bunfs/root/claude:2080:22368)\n    at f (/$bunfs/root/claude:2080:24762)\n    at f (/$bunfs/root/claude:2080:25737)\n    at L (/$bunfs/root/claude:2080:32524)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:01:59.442Z"},{"error":"Error: Failed to start LSP server plugin:typescript-lsp:typescript: Executable not found in $PATH: \"typescript-language-server\"\n    at <anonymous> (/$bunfs/root/claude:2080:32546)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:01:59.443Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at e6H (/$bunfs/root/claude:2951:30170)\n    at async F (/$bunfs/root/claude:3796:13960)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:02:00.119Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at e6H (/$bunfs/root/claude:2951:30170)\n    at async Q (/$bunfs/root/claude:3796:14476)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:02:00.119Z"},{"error":"Error\n    at <anonymous> (/$bunfs/root/claude:33:10645)\n    at emit (node:events:92:22)\n    at <anonymous> (/$bunfs/root/claude:32:3321)\n    at request (/$bunfs/root/claude:35:2149)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:04:03.295Z"},{"error":"Error\n    at <anonymous> (/$bunfs/root/claude:33:10645)\n    at emit (node:events:92:22)\n    at <anonymous> (/$bunfs/root/claude:32:3321)\n    at request (/$bunfs/root/claude:35:2149)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:04:22.331Z"},{"error":"Error\n    at <anonymous> (/$bunfs/root/claude:33:10645)\n    at emit (node:events:92:22)\n    at <anonymous> (/$bunfs/root/claude:32:3321)\n    at request (/$bunfs/root/claude:35:2149)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:04:47.653Z"},{"error":"Error\n    at <anonymous> (/$bunfs/root/claude:33:10645)\n    at emit (node:events:92:22)\n    at <anonymous> (/$bunfs/root/claude:32:3321)\n    at request (/$bunfs/root/claude:35:2149)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:05:06.008Z"},{"error":"Error\n    at <anonymous> (/$bunfs/root/claude:33:10645)\n    at emit (node:events:92:22)\n    at <anonymous> (/$bunfs/root/claude:32:3321)\n    at request (/$bunfs/root/claude:35:2149)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:05:32.211Z"},{"error":"Error\n    at <anonymous> (/$bunfs/root/claude:33:10645)\n    at emit (node:events:92:22)\n    at <anonymous> (/$bunfs/root/claude:32:3321)\n    at request (/$bunfs/root/claude:35:2149)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:05:51.366Z"},{"error":"Error: Request was aborted.\n    at QU$ (/$bunfs/root/claude:838:99554)\n    at anD (/$bunfs/root/claude:5672:4372)\n    at tnD (/$bunfs/root/claude:5677:7410)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:07:27.000Z"},{"error":"MaxFileReadTokenExceededError: File content (31541 tokens) exceeds maximum allowed tokens (25000). Please use offset and limit parameters to read specific portions of the file, or use the GrepTool to search for specific content.\n    at ETD (/$bunfs/root/claude:3257:3309)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-07T08:25:49.745Z"},{"error":"MaxFileReadTokenExceededError: File content (36733 tokens) exceeds maximum allowed tokens (25000). Please use offset and limit parameters to…

Note: Content was truncated.

Background agent output response is not parsed correctly

<img width="3792" height="2265" alt="Image" src="https://github.com/user-attachments/assets/6307d4f8-7b5d-4731-b703-8b8ae0c661ca" />