runtime: dry-check worker restore

crates/workspace-server/src/hosts.rs

@@ -2749,6 +2749,17 @@ fn embedded_worker_projection_diagnostics(
         }
     }
 
+    if let Some(restore_dry_check) = execution.restore_dry_check.as_ref() {
+        diagnostics.push(diagnostic(
+            "embedded_worker_execution_restore_dry_check",
+            DiagnosticSeverity::Error,
+            format!(
+                "Worker restore dry-test {}: {}",
+                restore_dry_check.code, restore_dry_check.message
+            ),
+        ));
+    }
+
     diagnostics
 }
 

crates/workspace-server/src/server.rs

@@ -6915,6 +6915,15 @@ mod tests {
                 .cleanup_working_directory(working_directory_id)
         }
 
+        fn dry_restore_worker(
+            &self,
+            _request: worker_runtime::execution::WorkerExecutionRestoreDryRequest,
+        ) -> worker_runtime::execution::WorkerRestoreDryCheck {
+            worker_runtime::execution::WorkerRestoreDryCheck::valid(
+                "deterministic test backend dry restore ok",
+            )
+        }
+
         fn spawn_worker(
             &self,
             request: worker_runtime::execution::WorkerExecutionSpawnRequest,