[Bug] Streaming output displays garbled characters with CJK table content in long sessions

Bug Description
Claude Code Streaming Rendering Anomaly Report — Garbled Characters Triggered by Long Session + CJK Tables

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.1.100
• Feedback ID: 6a7cc6dc-fa94-4070-adc4-b08e43006703

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/yuta2/.local/share/claude/versions/2.1.100 (expected in multi-process scenarios)\n    at dU_ (/$bunfs/root/src/entrypoints/cli.js:2810:2153)\n    at qt6 (/$bunfs/root/src/entrypoints/cli.js:2810:1233)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T08:56:40.619Z"},{"error":"Error: LSP server plugin:gopls-lsp:gopls failed to start: Executable not found in $PATH: \"gopls\"\n    at start (/$bunfs/root/src/entrypoints/cli.js:1540:22340)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T08:57:49.007Z"},{"error":"Error: Executable not found in $PATH: \"gopls\"\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at start (/$bunfs/root/src/entrypoints/cli.js:1540:20876)\n    at w (/$bunfs/root/src/entrypoints/cli.js:1540:24859)\n    at $ (/$bunfs/root/src/entrypoints/cli.js:1540:29931)\n    at w (/$bunfs/root/src/entrypoints/cli.js:1540:30268)\n    at Y (/$bunfs/root/src/entrypoints/cli.js:1540:30814)\n    at call (/$bunfs/root/src/entrypoints/cli.js:2124:1357)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T08:57:49.007Z"},{"error":"Error: Failed to start LSP server for file /Users/yuta2/Antigravity/aria/cmd/aria/main.go: Executable not found in $PATH: \"gopls\"\n    at $ (/$bunfs/root/src/entrypoints/cli.js:1540:29957)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T08:57:49.007Z"},{"error":"Error: Executable not found in $PATH: \"gopls\"\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at start (/$bunfs/root/src/entrypoints/cli.js:1540:20876)\n    at w (/$bunfs/root/src/entrypoints/cli.js:1540:24859)\n    at $ (/$bunfs/root/src/entrypoints/cli.js:1540:29931)\n    at w (/$bunfs/root/src/entrypoints/cli.js:1540:30268)\n    at Y (/$bunfs/root/src/entrypoints/cli.js:1540:30814)\n    at call (/$bunfs/root/src/entrypoints/cli.js:2124:1357)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T08:57:49.007Z"},{"error":"Error: LSP server plugin:gopls-lsp:gopls failed to start: Executable not found in $PATH: \"gopls\"\n    at start (/$bunfs/root/src/entrypoints/cli.js:1540:22340)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T09:27:55.666Z"},{"error":"Error: Executable not found in $PATH: \"gopls\"\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at start (/$bunfs/root/src/entrypoints/cli.js:1540:20876)\n    at w (/$bunfs/root/src/entrypoints/cli.js:1540:24859)\n    at $ (/$bunfs/root/src/entrypoints/cli.js:1540:29931)\n    at w (/$bunfs/root/src/entrypoints/cli.js:1540:30268)\n    at Y (/$bunfs/root/src/entrypoints/cli.js:1540:30814)\n    at call (/$bunfs/root/src/entrypoints/cli.js:2124:1357)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T09:27:55.666Z"},{"error":"Error: Failed to start LSP server for file /Users/yuta2/Antigravity/aria/internal/conductor/conductor_v6.go: Executable not found in $PATH: \"gopls\"\n    at $ (/$bunfs/root/src/entrypoints/cli.js:1540:29957)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T09:27:55.666Z"},{"error":"Error: Executable not found in $PATH: \"gopls\"\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at start (/$bunfs/root/src/entrypoints/cli.js:1540:20876)\n    at w (/$bunfs/root/src/entrypoints/cli.js:1540:24859)\n    at $ (/$bunfs/root/src/entrypoints/cli.js:1540:29931)\n    at w (/$bunfs/root/src/entrypoints/cli.js:1540:30268)\n    at Y (/$bunfs/root/src/entrypoints/cli.js:1540:30814)\n    at call (/$bunfs/root/src/entrypoints/cli.js:2124:1357)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T09:27:55.666Z"},{"error":"Error: LSP server plugin:gopls-lsp:gopls failed to start: Executable not found in $PATH: \"gopls\"\n    at start (/$bunfs/root/src/entrypoints/cli.js:1540:22340)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T09:50:50.956Z"},{"error":"Error: Executable not found in $PATH: \"gopls\"\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at start (/$bunfs/root…

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