refactor: migrate gift-wrap to mostro-core 0.9.1 nip59 module

Cargo.toml

@@ -22,7 +22,7 @@ path = "src/main.rs"
 [dependencies]
 anyhow = "1.0.99"
 clap = { version = "4.5.46", features = ["derive"] }
-nostr-sdk = { version = "0.43.0", features = [
+nostr-sdk = { version = "0.44.1", features = [
   "nip06",
   "nip44",
   "nip59",
@@ -46,7 +46,7 @@ reqwest = { version = "0.12.23", default-features = false, features = [
   "json",
   "rustls-tls",
 ] }
-mostro-core = "0.6.56"
+mostro-core = "0.9.1"
 lnurl-rs = { version = "0.9.0", default-features = false, features = ["ureq"] }
 pretty_env_logger = "0.5.0"
 sqlx = { version = "0.8.6", features = ["sqlite", "runtime-tokio-rustls"] }

src/cli/add_invoice.rs

@@ -75,7 +75,6 @@ pub async fn execute_add_invoice(order_id: &Uuid, invoice: &str, ctx: &Context)
     // Send the DM
     let sent_message = send_dm(
         &ctx.client,
-        Some(&ctx.identity_keys),
         &order_trade_keys,
         &ctx.mostro_pubkey,
         message_json,

src/cli/adm_send_dm.rs

@@ -3,7 +3,7 @@ use crate::parser::common::{
     create_emoji_field_row, create_field_value_header, create_standard_table,
 };
 use crate::util::messaging::get_admin_keys;
-use crate::util::send_admin_gift_wrap_dm;
+use crate::util::send_plain_text_dm;
 use anyhow::Result;
 use nostr_sdk::prelude::*;
 
@@ -29,7 +29,7 @@ pub async fn execute_adm_send_dm(receiver: PublicKey, ctx: &Context, message: &s
     println!("{table}");
     println!("💡 Sending admin gift wrap message...\n");
 
-    send_admin_gift_wrap_dm(&ctx.client, admin_keys, &receiver, message).await?;
+    send_plain_text_dm(&ctx.client, admin_keys, &receiver, message).await?;
 
     println!(
         "✅ Admin gift wrap message sent successfully to {}",

src/cli/last_trade_index.rs

@@ -23,11 +23,13 @@ pub async fn execute_last_trade_index(
         .as_json()
         .map_err(|_| anyhow::anyhow!("Failed to serialize message"))?;
 
-    // Send the last trade index message to Mostro server
+    // LastTradeIndex is account-scoped: the answer depends on which user
+    // is asking, and Mostro looks that up by the sender pubkey. Sign with
+    // `identity_keys` so the request resolves to the account, not to a
+    // (possibly unregistered) trade key.
     let sent_message = send_dm(
         &ctx.client,
-        Some(identity_keys),
-        &ctx.trade_keys,
+        identity_keys,
         &mostro_key,
         message_json,
         None,
@@ -42,10 +44,10 @@ pub async fn execute_last_trade_index(
     println!();
 
     // Wait for incoming DM
-    let recv_event = wait_for_dm(ctx, Some(&ctx.trade_keys), sent_message).await?;
+    let recv_event = wait_for_dm(ctx, Some(identity_keys), sent_message).await?;
 
     // Parse the incoming DM
-    let messages = parse_dm_events(recv_event, &ctx.trade_keys, None).await;
+    let messages = parse_dm_events(recv_event, identity_keys, None).await;
     if let Some((message, _, _)) = messages.first() {
         let message = message.get_inner_message_kind();
         if message.action == Action::LastTradeIndex {

src/cli/new_order.rs

@@ -183,7 +183,6 @@ pub async fn execute_new_order(
     // Send the DM
     let sent_message = send_dm(
         &ctx.client,
-        Some(&ctx.identity_keys),
         &ctx.trade_keys,
         &ctx.mostro_pubkey,
         message_json,

src/cli/orders_info.rs

@@ -44,7 +44,6 @@ pub async fn execute_orders_info(order_ids: &[Uuid], ctx: &Context) -> Result<()
     // Send the DM
     let sent_message = send_dm(
         &ctx.client,
-        Some(&ctx.identity_keys),
         &ctx.trade_keys,
         &ctx.mostro_pubkey,
         message_json,

src/cli/rate_user.rs

@@ -60,7 +60,6 @@ pub async fn execute_rate_user(order_id: &Uuid, rating: &u8, ctx: &Context) -> R
 
     let sent_message = send_dm(
         &ctx.client,
-        Some(&ctx.identity_keys),
         &trade_keys,
         &ctx.mostro_pubkey,
         rate_message,