[Bug] Tool execution injected control characters (SOH \x01) into HTML, agent failed to diagnose

Bug Description
Include in the ticket: - Your account email (damian.balliro@gmail.com) - Approximate date/time window of the affected session (today, 2026-04-25, debug session on goldfish-ui drawer-toggle / "▢▢ boxes") - The reason: tool-induced bug (sed injected \x01 SOH chars into HTML), agent failed to diagnose for many turns - Reference: this conversation transcript at C:\Users\dball\.claude\projects\C--Working-bookwise-bookwise-ui\e1764e02-dab2-49dd-8200-ab4f94bb8f1d.jsonl

Environment Info

• Platform: win32
• Terminal: null
• Version: 2.1.116
• Feedback ID: 13cf860c-2c78-4d9b-b1a2-975b8504a43c

Errors

[{"error":"Error: File does not exist. Note: your current working directory is C:\\Working\\bookwise\\bookwise-ui.\n    at call (B:/~BUN/root/src/entrypoints/cli.js:4792:7630)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-21T07:45:12.734Z"},{"error":"Error: ECONNREFUSED\n    at from (B:/~BUN/root/src/entrypoints/cli.js:107:7862)\n    at <anonymous> (B:/~BUN/root/src/entrypoints/cli.js:115:12892)\n    at emitError (node:events:43:23)\n    at <anonymous> (B:/~BUN/root/src/entrypoints/cli.js:114:1149)\n    at emitError (node:events:43:23)\n    at <anonymous> (node:_http_client:253:22)\n    at processTicksAndRejections (native:7:39)\n    at request (B:/~BUN/root/src/entrypoints/cli.js:117:2467)\n    at async bnH (B:/~BUN/root/src/entrypoints/cli.js:253:275561)\n    at async CC6 (B:/~BUN/root/src/entrypoints/cli.js:426:3883)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-21T15:14:28.221Z"},{"error":"Error: ENOENT: no such file or directory, unlink 'C:\\Users\\dball\\AppData\\Local\\Temp\\claude\\C--Working-bookwise-bookwise-ui\\e1764e02-dab2-49dd-8200-ab4f94bb8f1d\\tasks\\a651025dde655d0d3.output'\n    at async <anonymous> (B:/~BUN/root/src/entrypoints/cli.js:7979:299)","timestamp":"2026-04-21T18:05:24.728Z"},{"error":"Error: ENOENT: no such file or directory, open 'C:\\Users\\dball\\OneDrive\\Pictures\\Screenshots 1\\Screenshot 2026-04-21 140736.png\" \"C:\\Users\\dball\\OneDrive\\Pictures\\Screenshots 1\\Screenshot 2026-04-21 140812.png'\n    at readFileSync (unknown)\n    at readFileBytesSync (B:/~BUN/root/src/entrypoints/cli.js:53:1344)\n    at N9K (B:/~BUN/root/src/entrypoints/cli.js:587:12440)\n    at <anonymous> (B:/~BUN/root/src/entrypoints/cli.js:639:170)\n    at map (native:1:11)\n    at P (B:/~BUN/root/src/entrypoints/cli.js:639:161)\n    at W (B:/~BUN/root/src/entrypoints/cli.js:640:154)\n    at Sn4 (B:/~BUN/root/src/entrypoints/cli.js:511:1975)\n    at dispatch (B:/~BUN/root/src/entrypoints/cli.js:511:2651)\n    at <anonymous> (B:/~BUN/root/src/entrypoints/cli.js:497:110923)","timestamp":"2026-04-21T18:08:40.095Z"},{"error":"Error: ENOENT: no such file or directory, unlink 'C:\\Users\\dball\\AppData\\Local\\Temp\\claude\\C--Working-bookwise-bookwise-ui\\e1764e02-dab2-49dd-8200-ab4f94bb8f1d\\tasks\\a8791b30973fb97ab.output'\n    at async <anonymous> (B:/~BUN/root/src/entrypoints/cli.js:7979:299)","timestamp":"2026-04-21T18:29:35.226Z"},{"error":"MaxFileReadTokenExceededError: File content (51344 tokens) exceeds maximum allowed tokens (25000). Use offset and limit parameters to read specific portions of the file, or search for specific content instead of reading the whole file.\n    at t2_ (B:/~BUN/root/src/entrypoints/cli.js:4783:12677)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-21T18:42:52.537Z"},{"error":"Error: ENOENT: no such file or directory, unlink 'C:\\Users\\dball\\AppData\\Local\\Temp\\claude\\C--Working-bookwise-bookwise-ui\\e1764e02-dab2-49dd-8200-ab4f94bb8f1d\\tasks\\af24195ead0af3141.output'\n    at async <anonymous> (B:/~BUN/root/src/entrypoints/cli.js:7979:299)","timestamp":"2026-04-21T19:07:15.123Z"},{"error":"Error: Request was aborted.\n    at makeRequest (B:/~BUN/root/src/entrypoints/cli.js:50:3448)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-21T22:25:42.326Z"},{"error":"Error: 529 {\"type\":\"error\",\"error\":{\"type\":\"overloaded_error\",\"message\":\"Overloaded\"},\"request_id\":\"req_011CaHi6fZUvELhUkkz73Mtj\"}\n    at generate (B:/~BUN/root/src/entrypoints/cli.js:11:54087)\n    at makeRequest (B:/~BUN/root/src/entrypoints/cli.js:50:4943)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-21T22:31:41.686Z"},{"error":"Error: Request was aborted.\n    at makeRequest (B:/~BUN/root/src/entrypoints/cli.js:50:3448)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-21T22:34:28.944Z"},{"error":"Error: Request was aborted.\n    at makeRequest (B:/~BUN/root/src/entrypoints/cli.js:50:3448)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-21T23:45:04.833Z"},{"error":"Error: Failed t…

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