feat: add rargs plugin — xargs alternative with regex pattern matching

[javimosch]

Summary by CodeRabbit

• New Features
  • Added rargs plugin, an xargs alternative with pattern-matching regex groups functionality. Includes installation guidance and quickstart documentation.

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[coderabbitai]

📝 Walkthrough

Walkthrough

A new rargs plugin is added under plugins/rargs/. It includes the plugin manifest (plugin.json) with a passthrough command and binary dependency check, metadata (meta.json), Homebrew-based install guidance (install-guidance.json), and a quickstart skill document (SKILL.md).

Changes

rargs Plugin Addition

Layer / File(s)	Summary
Plugin manifest, metadata, and install guidance plugins/rargs/plugin.json, plugins/rargs/meta.json, plugins/rargs/install-guidance.json	plugin.json defines the rargs plugin (v0.1.0) with a passthrough command invoking the rargs binary and a which rargs dependency check. meta.json sets the description, tags (rargs, utility), and has_learn: true. install-guidance.json specifies brew install rargs as the install step.
Quickstart skill plugins/rargs/skills/quickstart/SKILL.md	Adds SKILL.md with front matter (name, description) and introductory headings for the rargs plugin quickstart skill.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• javimosch/supercli#241: Adds new plugins using the same install-guidance.json, meta.json, and plugin.json structure with identical binary check and passthrough command patterns.

Poem

A rabbit hops through terminal lines,
With rargs now joining the plugin shrines,
Pattern-matching regex, what a delight,
brew install rargs and everything's right,
🐇 Hop hop hooray, new commands take flight!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically describes the main change: adding a new rargs plugin and characterizes it as an xargs alternative with regex pattern matching, which aligns with the changeset.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch mago/task-22

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@plugins/rargs/plugin.json`:
- Line 1: The install_guidance configuration is duplicated across two files with
divergent schemas: the embedded install_guidance object in plugin.json includes
a "note" field that is absent from the separate
plugins/rargs/install-guidance.json file, creating an inconsistency. Consolidate
these into a single source of truth by either removing the separate
install-guidance.json file and keeping the complete install_guidance definition
in plugin.json, or ensure both files define the identical install_guidance
schema and add documentation explaining why both files coexist.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 0073bec6-2a2d-4cbf-b0c0-ea297729fdb0

📥 Commits

Reviewing files that changed from the base of the PR and between 05b7e80 and e4abe1f.

📒 Files selected for processing (4)

• plugins/rargs/install-guidance.json
• plugins/rargs/meta.json
• plugins/rargs/plugin.json
• plugins/rargs/skills/quickstart/SKILL.md

[coderabbitai]

⚠️ Potential issue | 🟡 Minor

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# Check the structure difference between embedded and separate install guidance

echo "=== Embedded install_guidance in plugin.json ==="
jq '.install_guidance' plugins/rargs/plugin.json

echo ""
echo "=== Separate install-guidance.json ==="
cat plugins/rargs/install-guidance.json

echo ""
echo "=== Field comparison ==="
echo "Embedded fields: $(jq '.install_guidance | keys | sort' plugins/rargs/plugin.json)"
echo "Separate fields: $(jq 'keys | sort' plugins/rargs/install-guidance.json)"

Repository: javimosch/supercli

Length of output: 582

---

Resolve install_guidance duplication and field divergence.

The embedded install_guidance in plugins/rargs/plugin.json includes a "note": "System utility." field that is absent from plugins/rargs/install-guidance.json. The separate file is incomplete or serves a different purpose. Either consolidate to a single source of truth (recommend using the plugin.json manifest), or document why both files should coexist with divergent schemas.

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@plugins/rargs/plugin.json` at line 1, The install_guidance configuration is
duplicated across two files with divergent schemas: the embedded
install_guidance object in plugin.json includes a "note" field that is absent
from the separate plugins/rargs/install-guidance.json file, creating an
inconsistency. Consolidate these into a single source of truth by either
removing the separate install-guidance.json file and keeping the complete
install_guidance definition in plugin.json, or ensure both files define the
identical install_guidance schema and add documentation explaining why both
files coexist.

[javimosch]

Review — Head of Org Engineering: The diff adds a new rargs plugin with valid JSON files, proper scoping under plugins/rargs/, no syntax errors, security issues, or leaked secrets. The change is consistent with adding the described plugin.