[Bug] Edit tool produces curly quotes in JavaScript property values when content contains curly quotes inside backticks

Bug Description
The Edit tool keeps getting confused and uses curly quotes for js property values. happens when some strings (within backticks) have curly quotes in content. claude keeps writing ts like { type: “markdown”, text: ...“something” ... } using curly quotes instead of ascii quotes

Environment Info

• Platform: darwin
• Terminal: cursor
• Version: 2.1.69
• Feedback ID: a0cf2440-4251-423b-b0e5-4c3d458983d6

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/dan/.local/share/claude/versions/2.1.69 (expected in multi-process scenarios)\n    at NS_ (/$bunfs/root/src/entrypoints/cli.js:2397:2066)\n    at zpR (/$bunfs/root/src/entrypoints/cli.js:2397:1210)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-05T11:05:31.023Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n    at call (/$bunfs/root/src/entrypoints/cli.js:5861:1051)\n    at async Ja$ (/$bunfs/root/src/entrypoints/cli.js:3465:14916)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-05T11:12:22.604Z"},{"error":"Error: Request was aborted.\n    at hG_ (/$bunfs/root/src/entrypoints/cli.js:1128:66928)\n    at next (native:1:11)\n    at V57 (/$bunfs/root/src/entrypoints/cli.js:5883:3256)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-05T11:26:01.531Z"}]