Content Audit: Fix HTML accepted types and moderation config

Co-authored-by: PR0M3TH3AN <[email protected]>

artifacts/error-aggregates.json

@@ -1,13 +0,0 @@
-[
-  {
-    "fingerprint": "00257328",
-    "title": "Load Test Bottleneck: Cryptographic Bottleneck (Avg Sign Time 5.87ms > 5ms)",
-    "count": 1,
-    "sources": [
-      "load-test:load-report-20260204.json"
-    ],
-    "severity": "Medium",
-    "stack": "Bottleneck: Cryptographic Bottleneck (Avg Sign Time 5.87ms > 5ms)\nRemediation: Client-side event signing is slow. Review cryptographic library (nostr-tools) usage or client hardware capabilities.",
-    "owner": "P2P Team"
-  }
-]