refactor(#2416): remove the non-pr config-change flow (request_apply_commit / applycommit)

hive-c0re/src/dashboard/misc_api.rs

@@ -202,7 +202,7 @@ pub(super) async fn post_request_spawn(
             tracing::info!(%id, %name, "operator: spawn approval queued via dashboard");
             // Phase 5b: notify the dashboard event channel so live
             // subscribers can append the row without a snapshot
-            // refetch. Spawn approvals carry no diff/sha.
+            // refetch. Spawn approvals carry no sha.
             state
                 .coord
                 .emit_approval_added(crate::coordinator::ApprovalAdded {
@@ -210,7 +210,6 @@ pub(super) async fn post_request_spawn(
                     agent: &name,
                     approval_kind: "spawn",
                     sha_short: None,
-                    diff: None,
                     description: None,
                     pr_number: None,
                 });