v0.0.2: add version display, detailed self-test with step-by-step decrypt

- Version shown on chat load (v0.0.2)
- Self-test now does step-by-step: X3DH shared secret comparison,
  then manual ratchet init + decrypt (not via decrypt_wire_message)
- Shows: rng output, shared_match, alice/bob shared secrets, decrypt result
- This isolates whether X3DH or ratchet or AEAD fails

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

warzone/crates/warzone-server/src/routes/web.rs

@@ -160,6 +160,7 @@ let peerBundles = {};      // peerFP -> bundle bytes
 let pollTimer = null;
 let wasmReady = false;
 
+const VERSION = '0.0.2';
 let DEBUG = true;  // toggle with /debug command
 
 function dbg(...args) {
@@ -453,8 +454,8 @@ async function enterChat() {
   await registerKey();
   addSys('Identity loaded: ' + myFingerprint);
   addSys('Key registered with server');
-  addSys('DM: paste peer fingerprint or @alias above');
-  addSys('/alias <name> · /g <group> · /glist · /info · /clear');
+  addSys('v' + VERSION + ' | DM: paste peer fingerprint or @alias above');
+  addSys('/alias · /g · /glist · /info · /selftest · /reset · /debug');
 
   const savedPeer = localStorage.getItem('wz-peer');
   if (savedPeer) $peerInput.value = savedPeer;