feat: initial companion repo for OpenClaw vs Claude Code article

40 files demonstrating every major OpenClaw capability using Claude Code:
- 3 agents (researcher, writer, reviewer)
- 3 skills (daily-briefing, slack-message, web-research)
- 2 security hooks (pre-tool-use blocker, post-tool-use logger)
- 10 self-contained examples with copy-paste prompts
- Complete feature map (20 capabilities, 11 full match, 7 different, 2 gap)
- Security docs including NemoClaw comparison
- Automation, messaging, browser, memory documentation

Zero dependencies. Clone and run.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

CLAUDE.md

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+# Claude Code Complete Agent
+
+This is a working companion repo for the article
+"Every OpenClaw Feature, Covered by Claude Code."
+
+## What This Repo Does
+
+It demonstrates that Claude Code's ecosystem (tools, MCP servers,
+plugins, hooks, agents, skills, and triggers) covers the same
+20 capabilities that made OpenClaw the fastest-growing open-source
+project in history.
+
+## How to Use It
+
+1. Open this directory in Claude Code: `claude`
+2. Try any example from `examples/` by pasting the prompt
+3. Explore agents in `.claude/agents/` and skills in `.claude/skills/`
+4. Review security hooks in `hooks/`
+
+## Project Memory
+
+This file is the project's persistent memory. Claude Code reads it
+at the start of every session. You can add notes, preferences, and
+context here. Unlike OpenClaw's vector-search memory, Claude Code
+uses a file hierarchy:
+
+- `CLAUDE.md` (this file) - project-level instructions
+- `~/.claude/CLAUDE.md` - global personal instructions
+- `.claude/settings.json` - permissions and tool configuration
+
+## Convention
+
+- All examples are self-contained. No dependencies to install.
+- Hooks use bash. They work on macOS and Linux.
+- MCP config in `.mcp.json` uses Playwright (browser automation).