[Bug] Text rendering corruption in agent output display with character spillover from previous lines

Bug Description
While reading agent outputs started through claude agents mode, the rendering of left side broke, showing a previous line first character, resulting in totally strange render

Environment Info

• Platform: win32
• Terminal: xterm-256color
• Version: 2.1.142
• Feedback ID: d8390ad0-226c-429d-8e2e-e928e566b9d4

Errors

[{"error":"McpToolCallError: Error: Element with uid 4_4 no longer exists on the page.\n    at o1A (B:/~BUN/root/src/entrypoints/cli.js:5033:63)\n    at k8_ (B:/~BUN/root/src/entrypoints/cli.js:5033:1409)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-19T07:41:59.617Z"},{"error":"McpToolCallError: Error: Runtime.callFunctionOn timed out. Increase the 'protocolTimeout' setting in launch/connect calls for a higher timeout if needed.\n    at o1A (B:/~BUN/root/src/entrypoints/cli.js:5033:63)\n    at k8_ (B:/~BUN/root/src/entrypoints/cli.js:5033:1409)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-19T07:46:02.593Z"},{"error":"McpToolCallError: Error: Access denied: path C:\\Users\\andyc\\Projects\\ff14-craft-helper\\.tmp\\screenshots\\bom-copy-flash-1.png is not within any of the workspace roots [{\"uri\":\"file://C:\\\\Users\\\\andyc\\\\Projects\\\\ff14-craft-helper\\\\.claude\\\\worktrees\\\\feat+bom-detail-copy-name\"},{\"uri\":\"file:///C:/Users/andyc/AppData/Local/Temp\",\"name\":\"temp\"}].\n    at o1A (B:/~BUN/root/src/entrypoints/cli.js:5033:63)\n    at k8_ (B:/~BUN/root/src/entrypoints/cli.js:5033:1409)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-19T07:47:34.375Z"}]