added hard reset for navigation timeout after 3 hours

src/config.rs

@@ -27,6 +27,9 @@ pub struct Config {
     
     #[serde(default = "default_max_retry_attempts")]
     pub max_retry_attempts: u32,
+
+    #[serde(default = "default_proxy_instances_per_certificate")]
+    pub proxy_instances_per_certificate: Option<usize>,
 }
 
 fn default_enable_vpn_rotation() -> bool {
@@ -47,6 +50,10 @@ fn default_min_request_interval_ms() -> u64 {
 
 fn default_max_retry_attempts() -> u32 { 3 }
 
+fn default_proxy_instances_per_certificate() -> Option<usize> {
+    Some(1)
+}
+
 impl Default for Config {
     fn default() -> Self {
         Self {
@@ -59,6 +66,7 @@ impl Default for Config {
             min_request_interval_ms: default_min_request_interval_ms(),
             max_retry_attempts: default_max_retry_attempts(),
             enable_vpn_rotation: false,
+            proxy_instances_per_certificate: default_proxy_instances_per_certificate(),
         }
     }
 }
@@ -112,6 +120,11 @@ impl Config {
             .parse()
             .context("Failed to parse MAX_RETRY_ATTEMPTS as u32")?;
 
+        let proxy_instances_per_certificate: Option<usize> = match dotenvy::var("PROXY_INSTANCES_PER_CERTIFICATE") {
+            Ok(val) => Some(val.parse().context("Failed to parse PROXY_INSTANCES_PER_CERTIFICATE as usize")?),
+            Err(_) => Some(1),
+        };
+
         Ok(Self {
             economic_start_date,
             corporate_start_date,
@@ -122,6 +135,7 @@ impl Config {
             max_requests_per_session,
             min_request_interval_ms,
             max_retry_attempts,
+            proxy_instances_per_certificate,
         })
     }