pub const C2S_FS_GREP: u8 = 0x48;Expand description
Content search under a root (no sync), docs/design/fs-grep.md:
[0x48][nonce:2][flags:1][max_matches:2][max_per_file:2][root_len:2][root:N][query_len:2][query:N].
flags is FS_GREP_CASE_SENSITIVE | FS_GREP_REGEX; zero maxima mean
the server defaults. Unlike FS_INDEX the walk does not skip ignored
files — it ranks them last.