[Bug] Character rendering corrupted in long chat contexts

Bug Description
sometime in long chats characters seems kinda raining

<img width="1438" height="650" alt="Image" src="https://github.com/user-attachments/assets/22137d19-c57e-41df-8517-3411e5ec8930" />

Environment Info

• Platform: darwin
• Terminal: intellij
• Version: 2.1.121
• Feedback ID: 48df0af1-98af-4d88-9df7-779fd6ceafb4

Errors

[{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at b0H (/$bunfs/root/src/entrypoints/cli.js:2769:31538)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-28T07:25:10.632Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server greptile invalid: Missing environment variables: GREPTILE_API_KEY\n    at b0H (/$bunfs/root/src/entrypoints/cli.js:2769:31538)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-28T07:25:10.632Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server greptile invalid: Missing environment variables: GREPTILE_API_KEY\n    at b0H (/$bunfs/root/src/entrypoints/cli.js:2769:31538)\n    at async N (/$bunfs/root/src/entrypoints/cli.js:6372:12703)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-28T07:25:11.882Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at b0H (/$bunfs/root/src/entrypoints/cli.js:2769:31538)\n    at async N (/$bunfs/root/src/entrypoints/cli.js:6372:12703)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-28T07:25:11.882Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at b0H (/$bunfs/root/src/entrypoints/cli.js:2769:31538)\n    at async k (/$bunfs/root/src/entrypoints/cli.js:6372:11817)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-28T07:25:11.884Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server greptile invalid: Missing environment variables: GREPTILE_API_KEY\n    at b0H (/$bunfs/root/src/entrypoints/cli.js:2769:31538)\n    at async k (/$bunfs/root/src/entrypoints/cli.js:6372:11817)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-28T07:25:11.884Z"}]