Initial ChronoSeal release

docs/ARCHITECTURE.md

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+# ChronoSeal Architecture
+
+## Core Principles
+
+- Continuous browser attestation
+- Cryptographic heartbeat chains
+- WASM-isolated secrets
+- Behavioral entropy verification
+- Silent mitigation
+
+## Components
+
+### WASM Runtime
+
+Responsible for:
+- heartbeat generation
+- signature generation
+- entropy collection
+- VM execution
+
+### Server
+
+Responsible for:
+- session verification
+- trust scoring
+- chain validation
+- mitigation
+
+## Threat Model
+
+Designed to increase:
+- scraping cost
+- operational complexity
+- synchronization burden
+
+ChronoSeal does not attempt impossible perfect prevention.