Expand pear-platform, observability, messaging, and network module APIs

Add batch parse, registry, log filtering, stream helpers, routing utilities, handshake management, and related clear/list/count methods across shorter modules.

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

network-stack/hyper-p2p-multipath-fanout/index.js

@@ -87,6 +87,16 @@ class HyperP2PMultipathFanout extends EventEmitter {
     return n
   }
 
+  clearAll () {
+    const n = this._pending.size
+    this._pending.clear()
+    return n
+  }
+
+  pendingCount () {
+    return this._pending.size
+  }
+
   getStats () {
     return { ...this._stats, pending: this._pending.size, protocol: PROTOCOL }
   }