dave: include anonymous user identifier in api call

- don't include users pubkey

This could be used to associate requests with real users,
rendering the anonymized user_id pointless

TODO: Implement a new tool call that lets dave ask for your pubkey

Fixes: #834
Fixes: #836
Signed-off-by: William Casarin <jb55@jb55.com>

crates/notedeck/src/user_account.rs

@@ -1,4 +1,4 @@
-use enostr::Keypair;
+use enostr::{Keypair, KeypairUnowned};
 use tokenator::{ParseError, TokenParser, TokenSerializable};
 
 use crate::wallet::ZapWallet;
@@ -13,6 +13,13 @@ impl UserAccount {
         Self { key, wallet: None }
     }
 
+    pub fn keypair(&self) -> KeypairUnowned {
+        KeypairUnowned {
+            pubkey: &self.key.pubkey,
+            secret_key: self.key.secret_key.as_ref(),
+        }
+    }
+
     pub fn with_wallet(mut self, wallet: ZapWallet) -> Self {
         self.wallet = Some(wallet);
         self