Use live owner tool scope for autonomous routines and jobs (#1453)

* Use live owner tool scope for autonomous runs

* Address autonomous tool scope review feedback

* Normalize routine context paths again

src/error.rs

@@ -168,6 +168,9 @@ pub enum ToolError {
     #[error("Tool {name} requires authentication")]
     AuthRequired { name: String },
 
+    #[error("Tool {name} is not available for autonomous execution: {reason}")]
+    AutonomousUnavailable { name: String, reason: String },
+
     #[error("Tool {name} is rate limited, retry after {retry_after:?}")]
     RateLimited {
         name: String,