pipeline apply: --parallel passes invalid -p flag to forjar

[noahgift]

Bug

apr pipeline apply manifest.yaml --parallel 4 passes -p 4 to forjar, but forjar's -p flag is --param <KEY=VALUE>, not parallelism. This causes forjar to error or misinterpret the argument.

Root Cause

In crates/apr-cli/src/commands/pipeline.rs, lines 99-104:

let parallel_str;
if let Some(p) = parallel {
    parallel_str = p.to_string();
    args.push("-p");    // Wrong! -p is --param in forjar
    args.push(&parallel_str);
}

Actual forjar -p flag

-p, --param <KEY=VALUE>    Parameter override

Forjar does not have a parallelism flag.

Expected Behavior

Either:

1. Remove the --parallel flag from apr pipeline apply since forjar doesn't support it
2. Or implement parallelism at the apr-cli level if needed

Fix

Remove the --parallel argument from the pipeline apply CLI definition and the pipeline.rs code, since forjar doesn't support this feature.