[Bug] Model performance regression: Claude forgetting context from previous sessions

Bug Description
Today it's super dumb, forget basic things, we did this same very thing on friday and it was flawless. Don't know how to express this in a more technical way.

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 2.1.72
• Feedback ID: 9229ecdb-0e93-40b8-86ce-e6c20a94b6f6

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/ky/.local/share/claude/versions/2.1.72 (expected in multi-process scenarios)\n    at byT (/$bunfs/root/src/entrypoints/cli.js:2612:2025)\n    at kEq (/$bunfs/root/src/entrypoints/cli.js:2612:1169)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-10T18:27:58.781Z"},{"error":"Error: LSP server plugin:typescript-lsp:typescript failed to start: Executable not found in $PATH: \"typescript-language-server\"\n    at start (/$bunfs/root/src/entrypoints/cli.js:3013:22314)\n    at async A (/$bunfs/root/src/entrypoints/cli.js:3013:24628)\n    at async O (/$bunfs/root/src/entrypoints/cli.js:3013:33695)\n    at async z (/$bunfs/root/src/entrypoints/cli.js:3013:34032)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-10T19:23:27.085Z"},{"error":"Error: Executable not found in $PATH: \"typescript-language-server\"\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at start (/$bunfs/root/src/entrypoints/cli.js:3013:20840)\n    at A (/$bunfs/root/src/entrypoints/cli.js:3013:24628)\n    at O (/$bunfs/root/src/entrypoints/cli.js:3013:33695)\n    at z (/$bunfs/root/src/entrypoints/cli.js:3013:34032)\n    at j (/$bunfs/root/src/entrypoints/cli.js:3013:34570)\n    at call (/$bunfs/root/src/entrypoints/cli.js:6187:1318)\n    at async LvK (/$bunfs/root/src/entrypoints/cli.js:3904:15032)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-10T19:23:27.087Z"},{"error":"Error: Failed to start LSP server for file /Users/ky/Sites/copesa/match-2025-astro/src/pages/api/identify.ts: Executable not found in $PATH: \"typescript-language-server\"\n    at O (/$bunfs/root/src/entrypoints/cli.js:3013:33721)\n    at async z (/$bunfs/root/src/entrypoints/cli.js:3013:34032)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-10T19:23:27.087Z"},{"error":"Error: Executable not found in $PATH: \"typescript-language-server\"\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at start (/$bunfs/root/src/entrypoints/cli.js:3013:20840)\n    at A (/$bunfs/root/src/entrypoints/cli.js:3013:24628)\n    at O (/$bunfs/root/src/entrypoints/cli.js:3013:33695)\n    at z (/$bunfs/root/src/entrypoints/cli.js:3013:34032)\n    at j (/$bunfs/root/src/entrypoints/cli.js:3013:34570)\n    at call (/$bunfs/root/src/entrypoints/cli.js:6187:1318)\n    at async LvK (/$bunfs/root/src/entrypoints/cli.js:3904:15032)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-10T19:23:27.087Z"},{"error":"Error: Cannot send notification to LSP server 'plugin:typescript-lsp:typescript': server is error\n    at D (/$bunfs/root/src/entrypoints/cli.js:3013:27031)\n    at z (/$bunfs/root/src/entrypoints/cli.js:3013:34274)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-10T19:23:33.486Z"},{"error":"Error: Failed to sync file open /Users/ky/Sites/copesa/match-2025-astro/src/pages/api/identify.ts: Cannot send notification to LSP server 'plugin:typescript-lsp:typescript': server is error\n    at z (/$bunfs/root/src/entrypoints/cli.js:3013:34439)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-10T19:23:33.486Z"},{"error":"Error: Failed to sync file open /Users/ky/Sites/copesa/match-2025-astro/src/pages/api/identify.ts: Cannot send notification to LSP server 'plugin:typescript-lsp:typescript': server is error\n    at z (/$bunfs/root/src/entrypoints/cli.js:3013:34439)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-10T19:23:33.486Z"},{"error":"Error: Cannot send notification to LSP server 'plugin:typescript-lsp:typescript': server is error\n    at D (/$bunfs/root/src/entrypoints/cli.js:3013:27031)\n    at z (/$bunfs/root/src/entrypoints/cli.js:3013:34274)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-10T19:29:20.915Z"},{"error":"Error: Failed to sync file open /Users/ky/Sites/copesa/match-2025-astro/src/pages/api/identify.ts: Cannot send notification to LSP server 'plugin:typescript-lsp:typescript': server is error\n    at z (/$bunfs/root/src/entrypoints/cli.js:3013:34439)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-10T19:29:20.915Z"},{"error":"Error: Failed to sync file open /Users/ky/Sites/copesa/match-2025-astro/src/pages/api/identify.ts: Cannot send notification to LSP server 'plugin:typescript-lsp:typescript': server is error\n    at z (/$bunfs/root/src/entry…

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