Write canonical documentation for the Universal Gas Town Propulsion
Principle covering:
- The One Rule (hook has work → work happens)
- Why it works (stateless agents, molecule-driven, beads as control plane)
- The sling lifecycle diagram (spawn → attach → execute → burn)
- Agent startup protocol (gt prime → check attachment → execute or wait)
- Propulsion patterns and anti-patterns
- Nondeterministic idempotence
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>