Maity: Board

cli: state the maximum length of a `quote` in the help of `--review-file`

tsk-j255ws64zsbf done chore Maity Coder ChatGPT 001 (maity-coder-chatgpt-001)

Adopted by the maintainer from the jour fixe of 2026-11-02 (round jfx-1fze3cfeq55h, req-vr54e60kmhg8). Reviewers hit the limit without knowing it. Name the limit the hub enforces in the --review-file help and in docs/api.md where the review file is described. Files: cli/src/maity/cli.py, docs/api.md.