Compose compact Text workspace with guarded root navigation

crates/oa-desktop/src/source_navigation/controller.rs

@@ -13,6 +13,7 @@ pub enum SymbolEvent {
     Close,
     Choose {
         stamp: query::QueryStamp,
+        visit: Id,
         reference: bool,
         index: usize,
     },
@@ -34,7 +35,7 @@ pub struct HistoryEntry {
     pub cursor: Cursor,
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq)]
 pub struct Request {
     pub job: Id,
     pub interaction: Id,
@@ -61,12 +62,15 @@ pub struct Reveal {
 }
 
 pub struct SymbolState {
-    pub open: bool,
     pub interaction: Id,
     pub raw_interaction: Arc<AtomicU64>,
     pub serial: u64,
     pub in_flight: Option<Id>,
     pub request: Option<Request>,
+    /// Latest admitted query owns displayed data independently of whether its
+    /// original navigation intent is still current. Hiding a drawer cancels
+    /// navigation, but a matching completion can still populate retained data.
+    pub display_request: Option<Request>,
     pub cache: Option<Arc<query::Snapshot>>,
     pub results: Option<Arc<query::Results>>,
     pub notice: Option<String>,
@@ -77,12 +81,12 @@ pub struct SymbolState {
 impl Default for SymbolState {
     fn default() -> Self {
         Self {
-            open: false,
             interaction: Id::new_v4(),
             raw_interaction: Arc::new(AtomicU64::new(0)),
             serial: 0,
             in_flight: None,
             request: None,
+            display_request: None,
             cache: None,
             results: None,
             notice: None,