feat: add SchedulerConfig to GatewayConfig

src/config/mod.rs

@@ -140,6 +140,43 @@ pub struct GatewayConfig {
     pub cleanup_interval_minutes: Option<u64>,
     #[serde(default, rename = "session_db_path")]
     pub session_db_path: Option<String>,
+    #[serde(default)]
+    pub scheduler: Option<SchedulerConfig>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct SchedulerConfig {
+    /// Whether the scheduler is enabled
+    #[serde(default = "default_scheduler_enabled")]
+    pub enabled: bool,
+    /// Poll interval in seconds (how often to check for due jobs)
+    #[serde(default = "default_poll_interval_secs")]
+    pub poll_interval_secs: u64,
+    /// Maximum concurrent job executions (currently sequential, reserved for future)
+    #[serde(default = "default_max_concurrent")]
+    pub max_concurrent: usize,
+}
+
+fn default_scheduler_enabled() -> bool {
+    true
+}
+
+fn default_poll_interval_secs() -> u64 {
+    60
+}
+
+fn default_max_concurrent() -> usize {
+    1
+}
+
+impl Default for SchedulerConfig {
+    fn default() -> Self {
+        Self {
+            enabled: true,
+            poll_interval_secs: 60,
+            max_concurrent: 1,
+        }
+    }
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
@@ -168,6 +205,7 @@ impl Default for GatewayConfig {
             session_ttl_hours: None,
             cleanup_interval_minutes: None,
             session_db_path: None,
+            scheduler: None,
         }
     }
 }