feat: add install.sh and README.md

Introduces a standalone skill installer script and project landing page
documentation covering all three skills in the repository.

install.sh:
- Downloads and installs SKILL.md files from the remote repository into
  the appropriate local directory for Claude Code (~/.claude/skills/) and/or
  Gemini CLI (~/.gemini/skills/)
- Supports --claude/-c and --gemini/-g flags to target one or both tools;
  defaults to both when neither is specified
- Accepts positional skill name arguments or --all/-a to install every
  available skill; named arguments always take precedence over --all
- Discovers available skills at runtime via the Gitea contents API, with
  automatic fallback to a depth-1 sparse git clone when the API is
  unreachable or returns no results; JSON parsing uses jq, then python3,
  then an awk fallback in order of availability
- Validates skill names against path traversal (../) and slash injection
  before any download is attempted
- Supports CLAUDE_SKILLS_DIR and GEMINI_SKILLS_DIR environment variable
  overrides for non-default install locations
- Checks for curl and git dependencies at startup and exits with a clear
  error listing any missing tools
- Cleans up any temporary clone directory on exit via a trap on EXIT
- Displays colorized output (Bold/Cyan headers, Green success, Yellow
  warnings, Red errors) when stdout is a terminal; disables all ANSI codes
  automatically when piped or redirected
- Includes a fully formatted --help/-h page documenting all flags,
  environment variables, and usage examples

README.md:
- Landing page covering project purpose, all three skills with per-skill
  purpose and execution protocol summaries, and a full Installation section
- Installation section documents the standard curl pipe form
  (curl -sL URL | bash -s -- args) with six ready-to-use one-liner examples
  covering all major flag combinations
- Flags & Options table, Environment Variables table, and a Manual Install
  section for users who prefer to inspect before running
- Table of contents with anchor links for all major sections
- License section referencing GPL-3.0-or-later
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# Rootiest Skills Repository
A collection of reusable AI skills (structured prompt protocols) for **Claude Code** and **Gemini CLI**. Each skill defines a precise execution protocol that guides the AI through complex, multi-step tasks — replacing ad-hoc prompting with consistent, auditable workflows.
Skills are plain Markdown files. The included `install.sh` script handles discovery and installation in a single command.
---
## Table of Contents
- [Skills](#skills)
- [systematic-enumeration](#systematic-enumeration)
- [git-publish-workflow](#git-publish-workflow)
- [readme-sync-audit](#readme-sync-audit)
- [Installation](#installation)
- [Quick Install (curl)](#quick-install-curl)
- [Flags & Options](#flags--options)
- [Environment Variables](#environment-variables)
- [Examples](#examples)
- [Manual Install](#manual-install)
- [License](#license)
---
## Skills
### `systematic-enumeration`
**Purpose:** Eliminate counting and membership errors caused by the model's tendency toward holistic pattern recognition.
When invoked, the AI is required to work through three explicit phases:
1. **Set Definition** — enumerate every member of the finite set before any analysis begins.
2. **Atomic Element Testing** — test each item individually, producing a `[Item] → [Logic] → [Boolean]` record for every element. For character-level checks, the string is split into individual characters to bypass tokenization bias.
3. **Reduction & Summation** — aggregate results and self-verify that the number of items tested exactly matches the set size; if there is a mismatch, Phase 2 restarts.
**Use when:** counting characters in a string, verifying a property across a list of files or variables, or any membership test where a false negative carries real cost.
---
### `git-publish-workflow`
**Purpose:** Automate the full lifecycle from uncommitted local work to an open Pull Request, with built-in quality gates.
The workflow runs three phases:
1. **Scope Determination** — if staged changes exist, operate only on those; otherwise operate on all modified/untracked files.
2. **Safe-Commit Sequence** — generate a `kebab-case` branch name, compose a [Conventional Commits](https://www.conventionalcommits.org/) message, then run the project's primary test/lint/build command. If verification fails, the sequence stops — nothing is pushed.
3. **Remote Integration** — push the branch, open a PR against the default branch, and populate the description with a "Why/What" summary and a manual verification checklist (`- [ ]` items).
**Use when:** you say "Ship this," "Make a PR," or invoke `/git-publish-workflow`.
---
### `readme-sync-audit`
**Purpose:** Keep `README.md` accurate by programmatically aligning it with the current state of the codebase.
Three-phase execution:
1. **Delta Analysis** — locate the last commit that touched `README.md`, diff all code changes from that point to `HEAD`, and extract undocumented environment variables, CLI flags, or API changes.
2. **Pruning & Update Audit** — remove stale setup steps or "Coming Soon" notes, correct version numbers and file paths, and synthesize documentation for newly discovered features.
3. **Structural Integrity Check** — verify that Quick Start commands still work, all config keys are listed, and code snippets match the current API.
**Use when:** you say "Update the docs," "Sync the README," or invoke `/readme-sync-audit`.
---
## Installation
### Quick Install (curl)
The intended usage is a single `curl | bash` command. The installer fetches and runs `install.sh` directly — no clone required.
**Install all skills for both Claude Code and Gemini CLI:**
```bash
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh | bash -s -- --all
```
**Install all skills for Claude Code only:**
```bash
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh | bash -s -- --all --claude
```
**Install all skills for Gemini CLI only:**
```bash
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh | bash -s -- --all --gemini
```
**Install a single skill for both tools:**
```bash
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh | bash -s -- systematic-enumeration
```
**Install specific skills for Claude Code only:**
```bash
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh | bash -s -- --claude git-publish-workflow readme-sync-audit
```
**Install specific skills for Gemini CLI only:**
```bash
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh | bash -s -- --gemini systematic-enumeration git-publish-workflow
```
> **Note:** Providing explicit skill names alongside `--all` causes the named skills to take precedence — only those skills are installed.
---
### Flags & Options
| Flag | Description |
|---|---|
| `-c`, `--claude` | Install into Claude Code (`~/.claude/skills/`) |
| `-g`, `--gemini` | Install into Gemini CLI (`~/.gemini/skills/`) |
| `-a`, `--all` | Install every skill available in the repository |
| `SKILL...` | Install one or more named skills (positional arguments) |
| `-h`, `--help` | Show the help page |
**Tool targeting:** if neither `--claude` nor `--gemini` is specified, the installer targets **both** tools by default.
**Skill selection precedence:** explicit skill names always override `--all`. Passing `--all skill-name` installs only `skill-name`, not every skill.
**Dependencies:** `curl` and `git` must be present on `PATH`. The installer checks for both and exits with a clear error if either is missing.
---
### Environment Variables
| Variable | Default | Description |
|---|---|---|
| `CLAUDE_SKILLS_DIR` | `~/.claude/skills` | Override the Claude Code install directory |
| `GEMINI_SKILLS_DIR` | `~/.gemini/skills` | Override the Gemini CLI install directory |
Example — installing to a project-local skills directory:
```bash
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh \
| CLAUDE_SKILLS_DIR=./.claude/skills bash -s -- --claude systematic-enumeration
```
---
### Examples
```bash
# Install everything, both tools (simplest possible invocation)
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh | bash -s -- --all
# Install one skill, Claude only
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh | bash -s -- --claude git-publish-workflow
# Install two skills, Gemini only
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh | bash -s -- --gemini systematic-enumeration readme-sync-audit
# Override install directory, Claude only
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh \
| CLAUDE_SKILLS_DIR=~/my-skills bash -s -- --claude --all
```
---
### Manual Install
If you prefer to inspect the script before running it:
```bash
# Download
curl -sL https://git.rootiest.dev/rootiest/ai-skills/raw/branch/main/install.sh -o install.sh
# Review
less install.sh
# Run
bash install.sh --all
```
Or clone the repository and run locally:
```bash
git clone https://git.rootiest.dev/rootiest/ai-skills.git
cd claude-skills
bash install.sh --all
```
---
## License
This project is licensed under the **GNU General Public License v3.0 or later (GPL-3.0-or-later)**.
See [LICENSE](LICENSE) for the full license text, or visit <https://www.gnu.org/licenses/gpl-3.0.html>.