feat: add Atomizer HQ multi-agent cluster infrastructure

- 8-agent OpenClaw cluster (Manager, Tech-Lead, Secretary, Auditor,
  Optimizer, Study-Builder, NX-Expert, Webster)
- Orchestration engine: orchestrate.py (sync delegation + handoffs)
- Workflow engine: YAML-defined multi-step pipelines
- Agent workspaces: SOUL.md, AGENTS.md, MEMORY.md per agent
- Shared skills: delegate, orchestrate, atomizer-protocols
- Capability registry (AGENTS_REGISTRY.json)
- Cluster management: cluster.sh, systemd template
- All secrets replaced with env var references

hq/shared/skills/README.md

@@ -0,0 +1,56 @@
+# Atomizer-HQ Shared Skills
+
+## Overview
+
+Shared skills are maintained by Mario and synced here for Atomizer-HQ use.
+
+## Accessing Shared Skills
+
+### knowledge-base (Design/FEA KB)
+**Source:** `/home/papa/clawd/skills/knowledge-base/SKILL.md`
+**Reference:** `/home/papa/obsidian-vault/2-Projects/Knowledge-Base-System/Development/SKILL-REFERENCE.md`
+
+Before using this skill:
+```bash
+# Read the skill definition
+cat /home/papa/clawd/skills/knowledge-base/SKILL.md
+
+# Or read the quick reference
+cat /home/papa/obsidian-vault/2-Projects/Knowledge-Base-System/Development/SKILL-REFERENCE.md
+```
+
+**Key commands:**
+```bash
+cad_kb.py status <project>        # KB status
+cad_kb.py context <project>       # AI context
+cad_kb.py cdr <project>           # CDR content
+```
+
+### atomaste-reports (PDF Reports)
+**Source:** `/home/papa/clawd/skills/atomaste-reports/SKILL.md`
+
+### fem-documenter (FEA KB) — PLANNED
+**Concept:** `/home/papa/obsidian-vault/2-Projects/Knowledge-Base-System/Concepts/FEM-Documenter.md`
+
+## Skill Updates
+
+Mario maintains the master copies. To get latest:
+1. Check Mario's skill folder for updates
+2. Read SKILL.md for current API
+3. Apply any Atomizer-specific extensions locally
+
+## Extension Protocol
+
+To extend a shared skill for Atomizer:
+1. Create extension file in this folder: `<skill>-atomizer-ext.md`
+2. Document Atomizer-specific prompts, templates, workflows
+3. Extensions DON'T modify the original skill
+4. Mario may incorporate useful extensions back
+
+## Current Extensions
+
+(None yet — add Atomizer-specific extensions here)
+
+---
+
+*Last updated: 2026-02-09*