Use non-singleton broker

package.json

@@ -60,7 +60,7 @@
     "@welshman/net": "^0.2.2",
     "@welshman/relay": "^0.2.0",
     "@welshman/router": "^0.2.0",
-    "@welshman/signer": "^0.2.1",
+    "@welshman/signer": "^0.2.3",
     "@welshman/store": "^0.2.0",
     "@welshman/util": "^0.2.2",
     "daisyui": "^4.12.10",

src/app/components/BunkerConnect.svelte

@@ -9,7 +9,7 @@
     loading = $state(false)
     clientSecret = makeSecret()
     abortController = new AbortController()
-    broker = Nip46Broker.get({clientSecret: this.clientSecret, relays: SIGNER_RELAYS})
+    broker = new Nip46Broker({clientSecret: this.clientSecret, relays: SIGNER_RELAYS})
     onNostrConnect: (response: Nip46ResponseWithResult) => void
 
     constructor({onNostrConnect}: {onNostrConnect: (response: Nip46ResponseWithResult) => void}) {
@@ -45,6 +45,7 @@
     }
 
     stop() {
+      this.broker.cleanup()
       this.abortController.abort()
     }
   }

src/app/components/LogInBunker.svelte

@@ -46,12 +46,13 @@
 
     try {
       const {clientSecret} = controller
-      const broker = Nip46Broker.get({relays, clientSecret, signerPubkey})
+      const broker = new Nip46Broker({relays, clientSecret, signerPubkey})
       const result = await broker.connect(connectSecret, NIP46_PERMS)
       const pubkey = await broker.getPublicKey()
 
       // TODO: remove ack result
       if (pubkey && ["ack", connectSecret].includes(result)) {
+        broker.cleanup()
         controller.stop()
 
         await loadUserData(pubkey)

src/app/components/LogInPassword.svelte

@@ -34,7 +34,7 @@
     ? [normalizeRelayUrl("ws://" + stripProtocol(BURROW_URL))]
     : [normalizeRelayUrl(BURROW_URL)]
 
-  const broker = Nip46Broker.get({clientSecret, relays})
+  const broker = new Nip46Broker({clientSecret, relays})
 
   const back = () => history.back()
 
@@ -89,7 +89,7 @@
       await loadUserData(pubkey)
 
       addSession({...session, email})
-
+      broker.cleanup()
       setChecked("*")
       clearModals()
     }

src/routes/+layout.svelte

@@ -96,7 +96,7 @@
         if (login?.startsWith("bunker://")) {
           const clientSecret = makeSecret()
           const {signerPubkey, connectSecret, relays} = Nip46Broker.parseBunkerUrl(login)
-          const broker = Nip46Broker.get({relays, clientSecret, signerPubkey})
+          const broker = new Nip46Broker({relays, clientSecret, signerPubkey})
           const result = await broker.connect(connectSecret, appState.NIP46_PERMS)
           const pubkey = await broker.getPublicKey()
 
@@ -105,6 +105,7 @@
             await loadUserData(pubkey)
 
             loginWithNip46(pubkey, clientSecret, signerPubkey, relays)
+            broker.cleanup()
             success = true
           }
         } else if (login) {