Title: Unexpected Code Edit Failure with Promise Rejection Error

Bug Description
When edit some file, claude code shutdown and print "String not found in file. Failed to apply edit." where "internal/process/promises:394"

Environment Info

• Platform: darwin
• Terminal: goland
• Version: 1.0.30
• Feedback ID: 4bfd82de-be39-4974-8f50-44594ae066b9

Errors

[{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:882:11)\n    at execSync (node:child_process:954:15)\n    at NZ (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:699:3921)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:622:9014\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:526:17199)\n    at QX (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:622:8160)\n    at kS (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:622:7241)\n    at L9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:622:11408)","timestamp":"2025-06-20T04:28:36.513Z"}]

Final Exception Log

node:internal/process/promises:394
    triggerUncaughtException(err, true /* fromPromise */);
    ^

Error: String not found in file. Failed to apply edit.
    at gO (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1602:546)
    at HF5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1916:11500)
    at F (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1916:10478)
    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1916:10744
    at GI (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:82:21374)
    at XY (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:82:40861)
    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:82:39057
    at TP1 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:76:79278)
    at Immediate.NP1 [as _onImmediate] (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:76:79696)
    at process.processImmediate (node:internal/timers:505:21)

Node.js v23.11.0