fix: allow multiline commands

src/agentci/domain/commands.py

@@ -4,7 +4,7 @@ import re
 
 from agentci.domain.models import CommandName, JobKind, ParsedCommand
 
-COMMAND_RE = re.compile(r"^/agent[ \t]+([a-z]+)(?:[ \t]+([\s\S]*))?$")
+COMMAND_RE = re.compile(r"^/agent[ \t]+([a-z]+)(?:[ \t\r\n]+([\s\S]*))?$")
 
 
 class CommandError(ValueError):
@@ -46,4 +46,3 @@ def resolve_job_kind(command: ParsedCommand, *, is_pull_request: bool) -> JobKin
     if command.name not in mapping:
         raise CommandError(f"`/agent {command.name}` can only be used on a pull request.")
     return mapping[command.name]
-