coding-agent

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• SKILL.md

SKILL.md (first lines)

# Coding Agent (background-first)

Use **bash background mode** for non-interactive coding work. For interactive coding sessions, use the **tmux** skill (always, except very simple one-shot prompts).

## The Pattern: workdir + background

```bash
# Create temp space for chats/scratch work
SCRATCH=$(mktemp -d)

# Start agent in target directory ("little box" - only sees relevant files)
bash workdir:$SCRATCH background:true command:"<agent command>"
# Or for project work:
bash workdir:~/project/folder background:true command:"<agent command>"
# Returns sessionId for tracking

# Monitor progress
process action:log sessionId:XXX

# Check if done  
process action:poll sessionId:XXX

# Send input (if agent asks a question)
process action:write sessionId:XXX data:"y"

# Kill if needed
process action:kill sessionId:XXX
```

**Why workdir matters:** Agent wakes up in a focused directory, doesn't wander off reading unrelated files (like your soul.md 😅).

---

## Codex CLI

**Model:** `gpt-5.2-codex` is the default (set in ~/.codex/config.toml)

### Building/Creating (use --full-auto or --yolo)
```bash
# --full-auto: sandboxed but auto-approves in workspace
bash workdir:~/project background:true command:"codex exec --full-auto \"Build a snake game with dark theme\""

# --yolo: NO sandbox, NO approvals (fastest, most dangerous)
bash workdir:~/project background:true command:"codex --yolo \"Build a snake game with dark theme\""

# Note: --yolo is a shortcut for --dangerously-bypass-approvals-and-sandbox
```

### Reviewing PRs (vanilla, no flags)

**⚠️ CRITICAL: Never review PRs in Surprisebot's own project folder!**
- Either use the project where the PR is submitted (if it's NOT ~/Projects/surprisebot)
- Or clone to a temp folder first

```bash
# Option 1: Review in the actual project (if NOT surprisebot)
bash workdir:~/Projects/some-other-repo background:true command:"codex review --base main"

# Option 2: Clone to temp folder for safe review (REQUIRED for surprisebot PRs!)
REVIEW_DIR=$(mktemp -d)
git clone https://github.com/surprisebot/surprisebot.git $REVIEW_DIR
cd $REVIEW_DIR && gh pr checkout 130
bash workdir:$REVIEW_DIR background:true command:"codex review --base origin/main"
# Clean up after: rm -rf $REVIEW_DIR

# Option 3: Use git worktree (keeps main intact)
git worktree add /tmp/pr-130-review pr-130-branch
bash workdir:/tmp/pr-130-review background:true command:"codex review --base main"
```

**Why?** Checking out branches in the running Surprisebot repo can break the live instance!

### Batch PR Reviews (parallel army!)
```bash
# Fetch all PR refs first
git fetch origin '+refs/pull/*/head:refs/remotes/origin/pr/*'

# Deploy the army - one Codex per PR!
bash workdir:~/project background:true command:"codex exec \"Review PR #86. git diff origin/main...origin/pr/86\""
bash workdir:~/project background:true command:"codex exec \"Review PR #87. git diff origin/main...origin/pr/87\""
bash workdir:~/project background:true command:"codex exec \"Review PR #95. git diff origin/main...origin/pr/95\""
# ... repeat for all PRs

# Monitor all
process action:list

# Get results and post to GitHub
process action:log sessionId:XXX
gh pr comment <PR#> --body "<review content>"
```

### Tips for PR Reviews
- **Fetch refs first:** `git fetch origin '+refs/pull/*/head:refs/remotes/origin/pr/*'`
- **Use git diff:** Tell Codex to use `git diff origin/main...origin/pr/XX`
- **Don't checkout:** Multiple parallel reviews = don't let them change branches
- **Post results:** Use `gh pr comment` to post reviews to GitHub

---

## Claude Code

```bash
bash workdir:~/project background:true command:"claude \"Your task\""
```

---

## OpenCode

```bash
bash workdir:~/project background:true command:"opencode run \"Your task\""
```

---

## Pi Coding Agent

```bash
# Install: npm install -g @mariozechner/pi-coding-agent

From catchmeifyoucaan/surpriseson, MIT.

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