diff --git a/crates/tranquil-pds/src/delegation/scopes.rs b/crates/tranquil-pds/src/delegation/scopes.rs
index 1075502..a72e061 100644
--- a/crates/tranquil-pds/src/delegation/scopes.rs
+++ b/crates/tranquil-pds/src/delegation/scopes.rs
@@ -14,8 +14,10 @@ pub struct ScopePreset {
     pub scopes: &'static str,
 }
 
-pub const OWNER_FULL_SCOPES: &str =
-    "atproto repo:* blob:*/* rpc:* identity:* account:*?action=manage";
+pub const OWNER_FULL_SCOPES: &str = concat!(
+    "atproto repo:* blob:*/* rpc:* identity:* account:*?action=manage ",
+    "transition:generic transition:chat.bsky transition:email"
+);
 
 pub const ADMIN_FULL_SCOPES: &str = "atproto repo:* blob:*/* rpc:* account:*?action=manage";
 
@@ -341,6 +343,9 @@ mod tests {
         ("rpc", "rpc:app.bsky.actor.getProfile?aud=*"),
         ("account", "account:email?action=manage"),
         ("identity", "identity:handle"),
+        ("transition:generic", "transition:generic"),
+        ("transition:chat.bsky", "transition:chat.bsky"),
+        ("transition:email", "transition:email"),
     ];
 
     /// The taxonomy label a scope type must be represented by, or `None` for scope types
@@ -352,10 +357,10 @@ mod tests {
             ParsedScope::Rpc(_) => Some("rpc"),
             ParsedScope::Account(_) => Some("account"),
             ParsedScope::Identity(_) => Some("identity"),
+            ParsedScope::TransitionGeneric => Some("transition:generic"),
+            ParsedScope::TransitionChat => Some("transition:chat.bsky"),
+            ParsedScope::TransitionEmail => Some("transition:email"),
             ParsedScope::Atproto => None,
-            ParsedScope::TransitionGeneric
-            | ParsedScope::TransitionChat
-            | ParsedScope::TransitionEmail => None,
             ParsedScope::Include(_) => None,
             ParsedScope::Unknown(_) => None,
         }
@@ -437,3 +442,27 @@ mod tests {
         );
     }
 }
+
+#[cfg(test)]
+mod scratch_transition_probe {
+    use super::*;
+    #[test]
+    fn probe() {
+        let g = "atproto repo:* blob:*/* rpc:* identity:* account:*?action=manage transition:generic transition:chat transition:email";
+        println!(
+            "validate mixed grant: {:?}",
+            ValidatedDelegationScope::new(g).is_ok()
+        );
+        for s in ["transition:generic", "transition:chat", "transition:email"] {
+            println!("  {s} -> {:?}", grant_coverage(g, s));
+            println!(
+                "  {s} under CURRENT owner -> {:?}",
+                grant_coverage(OWNER_FULL_SCOPES, s)
+            );
+        }
+        println!(
+            "intersect(transition:generic, mixed grant) = {:?}",
+            intersect_scopes("atproto transition:generic", g)
+        );
+    }
+}
diff --git a/crates/tranquil-pds/src/state.rs b/crates/tranquil-pds/src/state.rs
index 6aaefd7..40f5b46 100644
--- a/crates/tranquil-pds/src/state.rs
+++ b/crates/tranquil-pds/src/state.rs
@@ -534,7 +534,13 @@ fn migrate_delegation_preset_scopes(metastore: &tranquil_store::metastore::Metas
     const V2_LEGACY_EDITOR: &str =
         "atproto repo:*?action=create repo:*?action=update repo:*?action=delete blob:*/*";
 
-    let passes: [(&str, &[(&str, &str)]); 2] = [
+    // v3 adds the `transition:` scopes to the owner preset
+    // Without them an owner-level delegation withholds all transition scopes
+    const V3_MARKER: &str = "migration:delegation_preset_scopes_v3";
+    const V3_LEGACY_OWNER: &str =
+        "atproto repo:* blob:*/* rpc:* identity:* account:*?action=manage";
+
+    let passes: [(&str, &[(&str, &str)]); 3] = [
         (
             V1_MARKER,
             &[
@@ -550,6 +556,10 @@ fn migrate_delegation_preset_scopes(metastore: &tranquil_store::metastore::Metas
                 (V2_LEGACY_EDITOR, crate::delegation::EDITOR_FULL_SCOPES),
             ],
         ),
+        (
+            V3_MARKER,
+            &[(V3_LEGACY_OWNER, crate::delegation::OWNER_FULL_SCOPES)],
+        ),
     ];
 
     let infra = metastore.infra_ops();