[Bug] CLI Input Rendering Performance: Slow Character-by-Character Display

Bug Description
The input is very slow, after all the implementation it's almost imposible to write as it shows letter by letter render in the cli

Environment Info

• Platform: darwin
• Terminal: intellij
• Version: 2.1.5
• Feedback ID: 686fc8bc-3dcb-4bdf-8246-8e2f2f962293

Errors

[{"error":"Error: Plugin not found in any marketplace\n    at mA9 (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3039:52128)\n    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)","timestamp":"2026-01-12T18:01:08.746Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at Module.readFileSync (node:fs:449:20)\n    at file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:9:464\n    at LD (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:8:34291)\n    at Object.readFileSync (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:9:433)\n    at PeB (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:4670:23202)\n    at Object.call (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1673:942)\n    at JX7 (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3265:27232)","timestamp":"2026-01-12T18:30:04.527Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at Module.readFileSync (node:fs:449:20)\n    at file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:9:464\n    at LD (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:8:34291)\n    at Object.readFileSync (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:9:433)\n    at PeB (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:4670:23202)\n    at Object.call (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1673:942)\n    at file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3160:1522\n    at processTicksAndRejections (node:internal/process/task_queues:95:5)\n    at runNextTicks (node:internal/process/task_queues:64:3)\n    at process.processImmediate (node:internal/timers:454:9)","timestamp":"2026-01-12T18:31:38.154Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at Module.readFileSync (node:fs:449:20)\n    at file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:9:464\n    at LD (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:8:34291)\n    at Object.readFileSync (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:9:433)\n    at PeB (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:4670:23202)\n    at Object.call (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1673:942)\n    at JX7 (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3265:27232)\n    at runNextTicks (node:internal/process/task_queues:60:5)\n    at process.processImmediate (node:internal/timers:454:9)\n    at process.topLevelDomainCallback (node:domain:161:15)","timestamp":"2026-01-12T18:32:15.443Z"},{"error":"AbortError: The operation was aborted\n    at abortChildProcess (node:child_process:725:27)\n    at EventTarget.onAbortListener (node:child_process:795:7)\n    at [nodejs.internal.kHybridDispatch] (node:internal/event_target:831:20)\n    at EventTarget.dispatchEvent (node:internal/event_target:766:26)\n    at abortSignal (node:internal/abort_controller:370:10)\n    at AbortController.abort (node:internal/abort_controller:392:5)\n    at Timeout._onTimeout (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:4677:2036)\n    at listOnTimeout (node:internal/timers:581:17)\n    at process.processTimers (node:internal/timers:519:7)","timestamp":"2026-01-12T18:34:48.362Z"},{"error":"RangeError: path should be a `path.relative()`d string, but got \"..\"\n    at lx5 (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2027:3128)\n    at ld (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2027:3305)\n    at t_2._test (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2027:3842)\n    at t_2.test (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2027:4505)\n    at rH (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:4670:16884)\n    at w$0 (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2795:18323)\n    at zg2 (file:///Users/carlosmonti/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2795:19505)\n    at dp5 (file:///Users/carlosmonti/.claude/l

Note: Error logs were truncated.