fix(analytics): truncate gain history on char boundaries#2324
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Fixes #2318.
Summary
rtk gain --historytruncated long command strings with a fixed byte slice (&cmd[..22]). When a command contained CJK filenames, byte 22 could land inside a multi-byte UTF-8 character and panic.This reuses the existing character-count-based
core::utils::truncatehelper for gain history command display and adds a regression test with the CJK filename shape from the issue.Validation
cargo fmt --checkcargo test analytics::gain::tests::truncate_history_command_handles_cjk_filenamescargo test analytics::gaincargo clippy --all-targets -- -D warningscargo test-> 2073 passed, 7 ignoredgit diff --check