Update README.md

Author: stephenh67

README.md

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 ![License](https://img.shields.io/badge/license-Apache_2.0-blue.svg)
 ![Status](https://img.shields.io/badge/status-STEALTH_VIRAL-TEAL.svg)
 
+> **👷 Engineers & Operators:** [Click here for the User Manual (INSTRUCTIONS.md)](INSTRUCTIONS.md)
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 ![The Signal Reader](assets/biopunk.265Z.png)
 
 ## Unified Identity & Custody Stack
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 ## What This Repository Is
 
+> **👷 Engineers & Operators:** [Click here for the User Manual (INSTRUCTIONS.md)](INSTRUCTIONS.md)
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 This repository defines the **Helix-TTD Identity & Custody protocols**.
 
 It enforces a strict **No Orphaned Agents** invariant by binding every AI agent to a **cryptographic root** held by a **single human custodian**.