Add toJSON() serialization helpers across all module categories on main.

Fourth pass: toJSON() delegates to snapshot() (or exportSnapshot/stateSnapshot) for JSON export and logging across agents, applications, consensus, core, encoding, experimental, indexes, media, messaging, network, observability, pear-platform, routing, scheduling, storage, supercomputer, trust, measurement, oracles, and time-ordering modules.

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

pear-platform/hyper-bare-headless-ui/index.js

@@ -112,6 +112,10 @@ class HyperBareHeadlessUi extends EventEmitter {
     }
   }
 
+  toJSON () {
+    return this.snapshot()
+  }
+
   sendToUiBatch (messages) {
     if (!Array.isArray(messages)) throw new Error('messages array required')
     return messages.map((m) => this.sendToUi(m.channel, m.payload))