fix: add media category enum values to PolicyCategory

Add MEDIA_SAFETY, MEDIA_BIOMETRIC, MEDIA_PII, MEDIA_DOCUMENT enum
members to prevent Jackson deserialization crash when server returns
policies with media-* categories. Add v3.6.0 CHANGELOG entry.

Author: saurabhjain1592

CHANGELOG.md

@@ -5,6 +5,17 @@ All notable changes to the AxonFlow Java SDK will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.6.0] - 2026-02-19
+
+### Added
+
+- Media governance configuration methods: `getMediaGovernanceConfig()`, `updateMediaGovernanceConfig()`, `getMediaGovernanceStatus()`
+- Media governance types: `MediaGovernanceConfig`, `MediaGovernanceStatus`
+- Media policy category constants: `CATEGORY_MEDIA_SAFETY`, `CATEGORY_MEDIA_BIOMETRIC`, `CATEGORY_MEDIA_PII`, `CATEGORY_MEDIA_DOCUMENT`
+- `PolicyCategory` enum values: `MEDIA_SAFETY`, `MEDIA_BIOMETRIC`, `MEDIA_PII`, `MEDIA_DOCUMENT`
+
+---
+
 ## [3.5.0] - 2026-02-18
 
 ### Added

src/main/java/com/getaxonflow/sdk/types/policies/PolicyTypes.java

@@ -72,6 +72,12 @@ public enum PolicyCategory {
         // Sensitive data category
         SENSITIVE_DATA("sensitive-data"),
 
+        // Media governance categories
+        MEDIA_SAFETY("media-safety"),
+        MEDIA_BIOMETRIC("media-biometric"),
+        MEDIA_PII("media-pii"),
+        MEDIA_DOCUMENT("media-document"),
+
         // Dynamic policy categories
         DYNAMIC_RISK("dynamic-risk"),
         DYNAMIC_COMPLIANCE("dynamic-compliance"),