[Feature Request] Respect user code and reduce unnecessary file modifications

Bug Description
Agent should understand that the user knows better and to stop screwing up preexisting implementations

Environment Info

• Platform: darwin
• Terminal: ghostty
• Version: 2.1.83
• Feedback ID: 2d8577c7-908b-4c08-8d04-710c12f8702d

Errors

[{"error":"Error: Request was aborted.\n    at AvT (/$bunfs/root/src/entrypoints/cli.js:1917:8303)\n    at next (native:1:11)\n    at DW9 (/$bunfs/root/src/entrypoints/cli.js:7170:7577)\n    at next (native:1:11)\n    at MW9 (/$bunfs/root/src/entrypoints/cli.js:7175:10411)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-25T16:48:31.038Z"}]