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evidence/diagrams/dissertation/README.md

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+# Dissertation Diagram Set
+
+This folder contains compact Mermaid diagrams for Chapters 4-7.
+
+## Files
+
+- `01-system-architecture.mmd`
+- `02-deployment-topology.mmd`
+- `03-data-model-erd.mmd`
+- `04-access-governance-sequence.mmd`
+- `05-agent-enrollment-runtime-auth-sequence.mmd`
+- `06-revocation-latency-timeline.mmd`
+- `07-browser-shell-trust-flow.mmd`
+- `08-audit-pipeline-flow.mmd`
+- `09-access-request-state-machine.mmd`
+- `10-threat-trust-boundaries.mmd`
+
+## Render Example
+
+```bash
+mmdc -i 01-system-architecture.mmd -o 01-system-architecture.png
+```