Mnovich/temporal foreground tasks (#2895)

Co-authored-by: Carlos M. Lopez <carlopez@squareup.com>

crates/goose/src/scheduler.rs

@@ -122,6 +122,8 @@ pub struct ScheduledJob {
     pub current_session_id: Option<String>,
     #[serde(default)]
     pub process_start_time: Option<DateTime<Utc>>,
+    #[serde(default)]
+    pub execution_mode: Option<String>, // "foreground" or "background"
 }
 
 async fn persist_jobs_from_arc(
@@ -1059,6 +1061,10 @@ async fn run_scheduled_job_internal(
     }
     tracing::info!("Agent configured with provider for job '{}'", job.id);
 
+    // Log the execution mode
+    let execution_mode = job.execution_mode.as_deref().unwrap_or("background");
+    tracing::info!("Job '{}' running in {} mode", job.id, execution_mode);
+
     let session_id_for_return = session::generate_session_id();
 
     // Update the job with the session ID if we have access to the jobs arc
@@ -1091,6 +1097,7 @@ async fn run_scheduled_job_internal(
             id: crate::session::storage::Identifier::Name(session_id_for_return.clone()),
             working_dir: current_dir.clone(),
             schedule_id: Some(job.id.clone()),
+            execution_mode: job.execution_mode.clone(),
         };
 
         match agent
@@ -1323,6 +1330,7 @@ mod tests {
             paused: false,
             current_session_id: None,
             process_start_time: None,
+            execution_mode: Some("background".to_string()), // Default for test
         };
 
         // Create the mock provider instance for the test