`vibium text` crashes on large page text (`bufio.Scanner: token too long`)

[vincebln2]

Description

vibium text crashes with bufio.Scanner: token too long on pages whose text exceeds ~64KB, such as large JSON API responses.

Steps to reproduce:

vibium go "https://randomuser.me/api/?results=5000&format=pretty"
vibium wait load
vibium text

Expected:
page text returned (truncated with a warning is fine), exit 0

Actual:

vibium text  → Error: read response: bufio.Scanner: token too long, exit 1

Environment

vibium v26.5.31 · Chrome for Testing 149.0.7827.115 · macOS 26.5.1

References

#112 (B25) · related: #168, #110 (same 64KB-buffer issue, Python client)