[Bug] Claude fails to resolve timezone conversion issues in basic todo app

Bug Description
on a basic todo app with Svelte and Rust, it couldn't solve a basic localtime vs UTC issue.

Environment Info

• Platform: darwin
• Terminal: zed
• Version: 2.1.47
• Feedback ID: 105e1b09-520c-4f96-8086-4363a8fbe9a3

Errors

[{"error":"AbortError: The operation was aborted.\n    at unknown\n    at abortChildProcess (node:child_process:935:42)\n    at onAbortListener2 (node:child_process:35:24)\n    at abort (unknown)\n    at <anonymous> (/$bunfs/root/claude:3369:209)","timestamp":"2026-02-19T00:46:31.187Z"},{"error":"RipgrepTimeoutError: Ripgrep search timed out after 20 seconds. The search may have matched files but did not complete in time. Try searching a more specific path or pattern.\n    at D (/$bunfs/root/claude:66:189)\n    at <anonymous> (/$bunfs/root/claude:66:403)\n    at exitHandler (node:child_process:109:27)\n    at errorHandler (node:child_process:118:16)\n    at emitError (node:events:43:23)\n    at abortChildProcess (node:child_process:935:17)\n    at onAbortListener2 (node:child_process:35:24)\n    at abort (unknown)\n    at <anonymous> (/$bunfs/root/claude:3369:209)","timestamp":"2026-02-19T00:46:31.187Z"},{"error":"Error: LSP server plugin:rust-analyzer-lsp:rust-analyzer crashed with exit code 1\n    at <anonymous> (/$bunfs/root/claude:2381:21471)\n    at emit (node:events:98:22)\n    at #handleOnExit (node:child_process:520:14)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-19T00:46:31.203Z"},{"error":"Error: Cannot send notification to LSP server 'plugin:rust-analyzer-lsp:rust-analyzer': server is starting\n    at J (/$bunfs/root/claude:2381:26970)\n    at O (/$bunfs/root/claude:2381:33857)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-19T00:50:40.616Z"},{"error":"Error: Failed to sync file open /Users/my/@archives/coding/meetups/code-craft-community/2026-02-18-ai-pairing-triad/Templates/Rust/tests/kata_test.rs: Cannot send notification to LSP server 'plugin:rust-analyzer-lsp:rust-analyzer': server is starting\n    at O (/$bunfs/root/claude:2381:34022)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-19T00:50:40.617Z"},{"error":"Error: Failed to sync file open /Users/my/@archives/coding/meetups/code-craft-community/2026-02-18-ai-pairing-triad/Templates/Rust/tests/kata_test.rs: Cannot send notification to LSP server 'plugin:rust-analyzer-lsp:rust-analyzer': server is starting\n    at O (/$bunfs/root/claude:2381:34022)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-19T00:50:40.617Z"},{"error":"Error: Cannot send notification to LSP server 'plugin:rust-analyzer-lsp:rust-analyzer': server is starting\n    at J (/$bunfs/root/claude:2381:26970)\n    at O (/$bunfs/root/claude:2381:33857)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-19T00:50:47.194Z"},{"error":"Error: Failed to sync file open /Users/my/@archives/coding/meetups/code-craft-community/2026-02-18-ai-pairing-triad/Templates/Rust/src/lib.rs: Cannot send notification to LSP server 'plugin:rust-analyzer-lsp:rust-analyzer': server is starting\n    at O (/$bunfs/root/claude:2381:34022)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-19T00:50:47.194Z"},{"error":"Error: Failed to sync file open /Users/my/@archives/coding/meetups/code-craft-community/2026-02-18-ai-pairing-triad/Templates/Rust/src/lib.rs: Cannot send notification to LSP server 'plugin:rust-analyzer-lsp:rust-analyzer': server is starting\n    at O (/$bunfs/root/claude:2381:34022)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-19T00:50:47.194Z"},{"error":"Error: Cannot send notification to LSP server 'plugin:rust-analyzer-lsp:rust-analyzer': server is starting\n    at J (/$bunfs/root/claude:2381:26970)\n    at O (/$bunfs/root/claude:2381:33857)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-19T00:59:27.381Z"},{"error":"Error: Failed to sync file open /Users/my/@archives/coding/meetups/code-craft-community/2026-02-18-ai-pairing-triad/Templates/Rust/src/main.rs: Cannot send notification to LSP server 'plugin:rust-analyzer-lsp:rust-analyzer': server is starting\n    at O (/$bunfs/root/claude:2381:34022)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-19T00:59:27.381Z"},{"error":"Error: Failed to sync file open /Users/my/@archives/coding/meetups/code-craft-community/2026-02-18-ai-pairing-triad/Templates/Rust/src/main.rs: Cannot send notification to LSP server 'plugin:rust-analyzer-lsp:rust-analyzer': server is starting\n    at O (/$bunfs/root/claude:2381:34022)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-19T00:59:27.381Z"},{"error":"Error: Request was aborted.\n    at J2R (/$bunfs/root/claude:963:49635)\n    at next (native:1:11)\n    at GoB (/$bunfs/root/claude:5553:5172)\n    at next (native:1:11)\n    at WoB (/$bunfs/root/…

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