Add min=1 constraint to --limit on token listing commands

[smypmsa]

Problem

pumpfun tokens trending --limit -1 uses Python negative slicing, returning ~294 items instead of erroring. --limit 0 returns an empty list silently.

Fix

Add min=1 to all five typer.Option definitions for --limit in src/pumpfun_cli/commands/tokens.py:

limit: int = typer.Option(20, "--limit", "-n", min=1, help="...")

There are 5 commands that need this: trending, new, graduating, top, search.

Files to change

• src/pumpfun_cli/commands/tokens.py — add min=1 to all 5 --limit options
• tests/test_commands/ — add test that --limit 0 or --limit -1 errors

How to test

uv run pytest tests/test_commands/ -v

[saudademjj]

I would like to work on this. I will add the min=1 validation to the token listing commands and cover it with command tests.