fix: ensure dev mode is off and spv sync off for new users

.env.example

@@ -10,7 +10,6 @@ MAINNET_core_rpc_password=password
 MAINNET_insight_api_url=https://insight.dash.org/insight-api
 MAINNET_core_zmq_endpoint=tcp://127.0.0.1:23708
 MAINNET_show_in_ui=true
-MAINNET_developer_mode=true
 
 TESTNET_dapi_addresses=https://34.214.48.68:1443,https://52.12.176.90:1443,https://52.34.144.50:1443,https://44.240.98.102:1443,https://54.201.32.131:1443,https://52.10.229.11:1443,https://52.13.132.146:1443,https://52.40.219.41:1443,https://54.149.33.167:1443,https://35.164.23.245:1443,https://52.33.28.47:1443,https://52.43.13.92:1443,https://52.89.154.48:1443,https://52.24.124.162:1443,https://35.85.21.179:1443,https://54.187.14.232:1443,https://54.68.235.201:1443,https://52.13.250.182:1443
 TESTNET_core_host=127.0.0.1
@@ -20,7 +19,6 @@ TESTNET_core_rpc_password=password
 TESTNET_insight_api_url=https://testnet-insight.dash.org/insight-api
 TESTNET_core_zmq_endpoint=tcp://127.0.0.1:23709
 TESTNET_show_in_ui=true
-TESTNET_developer_mode=false
 
 DEVNET_dapi_addresses=http://54.203.116.91:1443,http://52.88.16.46:1443,http://34.222.214.170:1443,http://54.214.77.108:1443,http://52.40.186.234:1443,http://54.202.231.20:1443,http://35.89.246.86:1443,http://18.246.227.21:1443,http://44.245.96.164:1443,http://44.247.160.52:1443
 DEVNET_core_host=127.0.0.1
@@ -30,7 +28,6 @@ DEVNET_core_rpc_password=password
 DEVNET_insight_api_url=
 DEVNET_core_zmq_endpoint=tcp://127.0.0.1:23710
 DEVNET_show_in_ui=true
-DEVNET_developer_mode=false
 
 LOCAL_dapi_addresses=http://127.0.0.1:2443,http://127.0.0.1:2543,http://127.0.0.1:2643
 LOCAL_core_host=127.0.0.1

src/app.rs

@@ -632,7 +632,7 @@ impl AppState {
             // TODO: SPV auto-start is gated behind developer mode while SPV is in development.
             // Remove the is_developer_mode() check once SPV is production-ready.
             let current_context = app_state.current_app_context();
-            let auto_start_spv = db.get_auto_start_spv().unwrap_or(true);
+            let auto_start_spv = db.get_auto_start_spv().unwrap_or(false);
             if auto_start_spv
                 && current_context.is_developer_mode()
                 && current_context.core_backend_mode() == crate::spv::CoreBackendMode::Spv
@@ -1081,7 +1081,7 @@ impl App for AppState {
                 // TODO: SPV auto-start is gated behind developer mode while SPV is in development.
                 // Remove the is_developer_mode() check once SPV is production-ready.
                 let current_context = self.current_app_context();
-                let auto_start_spv = current_context.db.get_auto_start_spv().unwrap_or(true);
+                let auto_start_spv = current_context.db.get_auto_start_spv().unwrap_or(false);
                 if auto_start_spv
                     && current_context.is_developer_mode()
                     && current_context.core_backend_mode() == crate::spv::CoreBackendMode::Spv

src/database/initialization.rs

@@ -282,7 +282,7 @@ impl Database {
             show_evonode_tools INTEGER DEFAULT 0,
             user_mode TEXT DEFAULT 'Advanced',
             use_local_spv_node INTEGER DEFAULT 0,
-            auto_start_spv INTEGER DEFAULT 1,
+            auto_start_spv INTEGER DEFAULT 0,
             close_dash_qt_on_exit INTEGER DEFAULT 1,
             selected_wallet_hash BLOB,
             selected_single_key_hash BLOB

src/database/settings.rs

@@ -316,9 +316,9 @@ impl Database {
         )?;
 
         if !column_exists {
-            // Default to true - auto-start SPV on startup
+            // Default to false - don't auto-start SPV on startup
             conn.execute(
-                "ALTER TABLE settings ADD COLUMN auto_start_spv INTEGER DEFAULT 1;",
+                "ALTER TABLE settings ADD COLUMN auto_start_spv INTEGER DEFAULT 0;",
                 (),
             )?;
         }
@@ -363,7 +363,7 @@ impl Database {
             [],
             |row| row.get(0),
         )?;
-        Ok(result.unwrap_or(true)) // Default to true
+        Ok(result.unwrap_or(false)) // Default to false
     }
 
     /// Adds the close_dash_qt_on_exit column to the settings table.
@@ -796,18 +796,18 @@ mod tests {
     fn test_spv_settings() {
         let db = create_test_database().expect("Failed to create test database");
 
-        // Test auto_start_spv (default true)
+        // Test auto_start_spv (default false)
         let auto_start = db
             .get_auto_start_spv()
             .expect("Failed to get auto_start_spv");
-        assert!(auto_start);
+        assert!(!auto_start);
 
-        db.update_auto_start_spv(false)
+        db.update_auto_start_spv(true)
             .expect("Failed to update auto_start_spv");
         let auto_start = db
             .get_auto_start_spv()
             .expect("Failed to get auto_start_spv");
-        assert!(!auto_start);
+        assert!(auto_start);
 
         // Test use_local_spv_node (default false)
         let use_local = db

src/ui/network_chooser_screen.rs

@@ -107,7 +107,7 @@ impl NetworkChooserScreen {
             .db
             .get_use_local_spv_node()
             .unwrap_or(false);
-        let auto_start_spv = mainnet_app_context.db.get_auto_start_spv().unwrap_or(true);
+        let auto_start_spv = mainnet_app_context.db.get_auto_start_spv().unwrap_or(false);
         let close_dash_qt_on_exit = mainnet_app_context
             .db
             .get_close_dash_qt_on_exit()