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]>

experimental/hyper-p2p-phase-shift-clock/index.js

@@ -104,6 +104,10 @@ class HyperP2PPhaseShiftClock extends EventEmitter {
     return { phaseMs: this._phaseMs, peers: this.peerPhases() }
   }
 
+  toJSON () {
+    return this.snapshot()
+  }
+
   shiftBatch (entries) {
     if (!Array.isArray(entries)) throw new Error('entries array required')
     return entries.map((e) => this.shift(e.phaseMs))