[Bug] Plan mode bypassed, implementation starts immediately

Bug Description
Claude no longe respects plan mode and jumpts right into implementation.

Environment Info

• Platform: darwin
• Terminal: ghostty
• Version: 2.1.92
• Feedback ID: 24218d82-0d07-4081-9795-17e40ec09a74

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/pedromoy/.local/share/claude/versions/2.1.92 (expected in multi-process scenarios)\n    at im_ (/$bunfs/root/src/entrypoints/cli.js:1884:2153)\n    at An6 (/$bunfs/root/src/entrypoints/cli.js:1884:1233)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-07T11:47:16.056Z"},{"error":"Error: Request was aborted.\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:3447)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-07T13:28:58.453Z"},{"error":"Error: Request was aborted.\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:3447)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-07T13:29:01.661Z"},{"error":"Error: Request was aborted.\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:50:3447)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-07T13:29:03.213Z"},{"error":"MaxFileReadTokenExceededError: File content (20589 tokens) exceeds maximum allowed tokens (10000). 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 d$7 (/$bunfs/root/src/entrypoints/cli.js:4294:13161)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-07T13:29:48.679Z"},{"error":"MaxFileReadTokenExceededError: File content (20589 tokens) exceeds maximum allowed tokens (10000). 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 d$7 (/$bunfs/root/src/entrypoints/cli.js:4294:13161)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-07T13:29:51.223Z"},{"error":"FileTooLargeError: File content (338KB) exceeds maximum allowed size (256KB). 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 mKH (/$bunfs/root/src/entrypoints/cli.js:3859:536)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-07T13:29:57.758Z"},{"error":"MaxFileReadTokenExceededError: File content (20012 tokens) exceeds maximum allowed tokens (10000). 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 d$7 (/$bunfs/root/src/entrypoints/cli.js:4294:13161)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-07T13:30:00.895Z"},{"error":"MaxFileReadTokenExceededError: File content (75348 tokens) exceeds maximum allowed tokens (10000). 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 d$7 (/$bunfs/root/src/entrypoints/cli.js:4294:13161)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-07T13:30:05.273Z"}]