[Bug] LLM not adhering to instructions or utilizing full codebase context

Bug Description
Models are not following instruction or fully engaging with context for codebase.\

Environment Info

• Platform: darwin
• Terminal: cursor
• Version: 2.0.33
• Feedback ID: 6c7fc7b9-45a1-4555-a876-b7795b590484

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at OD (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4413)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4141\n    at Array.map (<anonymous>)\n    at vF (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4132)\n    at G$Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1617:2875)\n    at pw (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:72:19414)\n    at Mt (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:42806)\n    at b9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38347)\n    at Up (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38275)\n    at B$ (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38129)","timestamp":"2025-11-05T11:57:48.305Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at OD (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4413)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4141\n    at Array.map (<anonymous>)\n    at vF (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4132)\n    at G$Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1617:2875)\n    at pw (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:72:19414)\n    at Mt (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:42806)\n    at b9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38347)\n    at Up (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38275)\n    at B$ (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38129)","timestamp":"2025-11-05T12:01:43.364Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at OD (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4413)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4141\n    at Array.map (<anonymous>)\n    at vF (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4132)\n    at G$Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1617:2875)\n    at pw (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:72:19414)\n    at Mt (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:42806)\n    at b9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38347)\n    at Up (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38275)\n    at B$ (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38129)","timestamp":"2025-11-05T12:01:43.367Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at OD (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4413)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4141\n    at Array.map (<anonymous>)\n    at vF (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4132)\n    at G$Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1617:2875)\n    at pw (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:72:19414)\n    at Mt (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:42806)\n    at b9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38347)\n    at Up (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38275)\n    at B$ (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:74:38129)","timestamp":"2025-11-05T12:05:23.024Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at OD (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4413)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4141\n    at Array.map (<anonymous>)\n    at vF (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1251:4132)\n    at G$Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1617:2875)\n    at pw (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:72:19414)\n    at Mt (file:///

Note: Error logs were truncated.