[Bug] Claude Code: Regression in Code Generation and Validation Accuracy

Bug Description
For some reason today it can't fix simple issues it could before, says it fixed somthing and tested it but the changes had zero impact

Environment Info

• Platform: linux
• Terminal: vte-based
• Version: 1.0.113
• Feedback ID: bbf54e79-753b-4887-a034-33b2576b12b2

Errors

[{"error":"Error: Insufficient permissions for global npm install.\n    at ED0 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1637:1029)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async DG1 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1647:43)\n    at async file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:3616:5940","timestamp":"2025-09-20T16:32:42.985Z"},{"error":"Error: Insufficient permissions for global npm install.\n    at ED0 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1637:1029)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async DG1 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1647:43)\n    at async file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:3616:5940","timestamp":"2025-09-20T16:37:14.894Z"},{"error":"Error: Insufficient permissions for global npm install.\n    at ED0 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1637:1029)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async DG1 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1647:43)\n    at async file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:3616:5940","timestamp":"2025-09-20T16:45:36.117Z"},{"error":"Error: Insufficient permissions for global npm install.\n    at ED0 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1637:1029)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async DG1 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1647:43)\n    at async file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:3616:5940","timestamp":"2025-09-20T16:45:41.997Z"},{"error":"Error: Insufficient permissions for global npm install.\n    at ED0 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1637:1029)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async DG1 (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1647:43)\n    at async file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:3616:5940","timestamp":"2025-09-20T16:46:09.478Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at uV (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:1184)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2176\n    at Array.map (<anonymous>)\n    at uV (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2147)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2063\n    at Array.map (<anonymous>)\n    at uV (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2052)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:912\n    at Array.map (<anonymous>)\n    at EX (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:903)","timestamp":"2025-09-20T16:55:13.008Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at uV (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:1184)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2176\n    at Array.map (<anonymous>)\n    at uV (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2147)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2063\n    at Array.map (<anonymous>)\n    at uV (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2052)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:912\n    at Array.map (<anonymous>)\n    at EX (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:903)","timestamp":"2025-09-20T16:55:13.020Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at uV (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:1184)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2176\n    at Array.map (<anonymous>)\n    at uV (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2147)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2063\n    at Array.map (<anonymous>)\n    at uV (file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:2052)\n    at file:///usr/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:912\n    at Array.map (<anonymous>)\n    at EX 

Note: Error logs were truncated.