[Bug Report: Model performance degradation or unexpected behavior changes]

Bug Description
Its getting dumber, forgetting the entire point of the project, forgetting details in memory, not even looking at global memory.

Environment Info

• Platform: darwin
• Terminal: tmux
• Version: 2.1.97
• Feedback ID: 81f7516b-3826-48ae-a3ec-b323144e7abf

Errors

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"prompt is too long: 206472 tokens > 200000 maximum\"},\"request_id\":\"req_011Cab49tdGeEFVhCvuGTPq3\"}\n    at dq.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:51908)\n    at ML.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:1652)\n    at ML.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:4928)\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)","timestamp":"2026-05-01T02:24:42.685Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"prompt is too long: 217424 tokens > 200000 maximum\"},\"request_id\":\"req_011Cab4A5NBiFjdSt4yKqyjG\"}\n    at dq.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:51908)\n    at ML.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:1652)\n    at ML.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:4928)\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)","timestamp":"2026-05-01T02:24:45.920Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"prompt is too long: 206554 tokens > 200000 maximum\"},\"request_id\":\"req_011Cab4ALBui8dRc7p1yamk6\"}\n    at dq.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:51908)\n    at ML.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:1652)\n    at ML.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:4928)\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)","timestamp":"2026-05-01T02:24:48.929Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"prompt is too long: 201886 tokens > 200000 maximum\"},\"request_id\":\"req_011Cab4AY8WTRfSCYnDfUmjw\"}\n    at dq.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:51908)\n    at ML.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:1652)\n    at ML.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:4928)\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)","timestamp":"2026-05-01T02:24:53.298Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"prompt is too long: 207348 tokens > 200000 maximum\"},\"request_id\":\"req_011Cab4AsgVoi5PcnQn5sBCK\"}\n    at dq.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:51908)\n    at ML.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:1652)\n    at ML.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:4928)\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)","timestamp":"2026-05-01T02:24:56.217Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"prompt is too long: 202720 tokens > 200000 maximum\"},\"request_id\":\"req_011Cab4B5XdVHf8bCZnk5tLa\"}\n    at dq.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:51908)\n    at ML.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:1652)\n    at ML.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:4928)\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)","timestamp":"2026-05-01T02:24:58.411Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"prompt is too long: 207563 tokens > 200000 maximum\"},\"request_id\":\"req_011Cab4BF2dWHj6xLdXoy2j3\"}\n    at dq.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:51908)\n    at ML.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:1652)\n    at ML.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:47:4928)\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)","timestamp":"2026-05-01T02:25:00.642Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type…

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