[Bug Report: Degraded code generation quality and reasoning accuracy in recent days]

Bug Description
I am super frustrated with claude in the past couple of days. I don't know if I have some poisoned history/docs, but it feels like claude code was AMAZING a week ago, and now it is just eff'ing brain dead. I have been feeling gemini has caught up to claude, and even surpassed it a bit (a week ago). I thought I would stick with claude because I was familiar with it. But now, every answer is broken, simple mistakes, things it handled well a week ago. I will be looking to replace claude cli with whatever cli gemini has this week. I am open to discussing the issue (and trying to stay with claude) but I assume /feedback is mostly a one-way street, and nobody will reach out to me to follow up.

Environment Info

• Platform: linux
• Terminal: tmux
• Version: 2.1.19
• Feedback ID: d1421331-9608-4868-9881-e33d7a4c8ce4

WTF is THIS (below????) \
This errors section (below) is the first I've seen this. It just further shakes my confidence. I feel like Anthropic and Jetbrains are in a race to see which company can alienate me quickest. ::sigh::

Errors

[{"error":"Error: ENOENT: no such file or directory, scandir '/etc/claude-code/.claude/skills'\n    at Module.readdirSync (node:fs:1525:3)\n    at file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:9:1766\n    at yO (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:35112)\n    at Object.readdirSync (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:9:1736)\n    at _D1 (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:2284:369)\n    at file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:2284:4279\n    at q (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:6814)\n    at CB2 (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4920:4362)\n    at file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4920:6961\n    at q (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:6814)","timestamp":"2026-01-25T21:04:53.827Z"},{"error":"Error: Error opening file /home/sean/.claude/projects/-opt-work-springboot-civicstrata/33560d65-53df-4908-a0ac-2f68cab80c02.jsonl: Error: ENOENT: no such file or directory, open '/home/sean/.claude/projects/-opt-work-springboot-civicstrata/33560d65-53df-4908-a0ac-2f68cab80c02.jsonl'\n    at hAA (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:66:172)\n    at async file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:3921\n    at async Promise.all (index 14)\n    at async cMA (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:3757)\n    at async file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:10971\n    at async bu6 (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:203)\n    at async cWK (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:10469)","timestamp":"2026-01-25T21:06:01.090Z"},{"error":"Error: Error opening file /home/sean/.claude/projects/-opt-work-springboot-civicstrata/38187282-a52d-451e-8686-ef7ec7e4739a.jsonl: Error: ENOENT: no such file or directory, open '/home/sean/.claude/projects/-opt-work-springboot-civicstrata/38187282-a52d-451e-8686-ef7ec7e4739a.jsonl'\n    at hAA (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:66:172)\n    at async file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:3921\n    at async Promise.all (index 15)\n    at async cMA (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:3757)\n    at async file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:10971\n    at async bu6 (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:203)\n    at async cWK (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:10469)","timestamp":"2026-01-25T21:06:01.090Z"},{"error":"Error: Error opening file /home/sean/.claude/projects/-opt-work-springboot-civicstrata/9ac93d2f-6c42-4ef0-b9bf-dab0f3ac5f59.jsonl: Error: ENOENT: no such file or directory, open '/home/sean/.claude/projects/-opt-work-springboot-civicstrata/9ac93d2f-6c42-4ef0-b9bf-dab0f3ac5f59.jsonl'\n    at hAA (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:66:172)\n    at async file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:3921\n    at async Promise.all (index 14)\n    at async cMA (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:3757)\n    at async file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:10971\n    at async bu6 (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:203)\n    at async cWK (file:///usr/local/lib/node_modules/@anthropic-ai/claude-code/cli.js:4910:10469)","timestamp":"2026-01-25T21:06:02.006Z"},{"error":"Error: Error opening file /home/sean/.claude/projects/-opt-work-springboot-civicstrata/acfbd5b3-6477-469d-99f7-a2eb8625606e.jsonl: Error: ENOENT: no such file or directory, open '/home/sean/.claude/projects/-opt-work-springboot-civicstrata/acfbd5b3-6477-469d-99f7-a2eb8625606e.jsonl'\n    at hAA (file://…

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