Implement TUI search and mutation workflows

crates/storage/src/mutation.rs

@@ -84,6 +84,7 @@ impl TreeCommitter for NoGitTreeCommitter {
 pub struct MutationOutcome {
     action: MutationAction,
     entries: Vec<EntryPath>,
+    selection: Option<MutationSelection>,
 }
 
 impl MutationOutcome {
@@ -93,6 +94,35 @@ impl MutationOutcome {
     pub fn entries(&self) -> &[EntryPath] {
         &self.entries
     }
+    pub fn selection(&self) -> Option<&MutationSelection> {
+        self.selection.as_ref()
+    }
+}
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum MutationSelection {
+    Entry(EntryPath),
+    Directory(DirectoryPath),
+}
+
+impl MutationSelection {
+    pub fn path(&self) -> &std::path::Path {
+        match self {
+            Self::Entry(path) => path.as_path(),
+            Self::Directory(path) => path.as_path(),
+        }
+    }
+
+    pub fn is_directory(&self) -> bool {
+        matches!(self, Self::Directory(_))
+    }
+
+    pub fn display_path(&self) -> String {
+        match self {
+            Self::Entry(path) => path.to_string(),
+            Self::Directory(path) => path.to_string(),
+        }
+    }
 }
 
 pub struct TreeMutator<'a> {
@@ -172,6 +202,7 @@ impl<'a> TreeMutator<'a> {
         Ok(MutationOutcome {
             action: MutationAction::Remove,
             entries: entries.into_iter().map(|entry| entry.source).collect(),
+            selection: None,
         })
     }
 
@@ -507,9 +538,14 @@ impl<'a> TreeMutator<'a> {
         if moving {
             self.repository.cleanup_empty_directories(&source_root)?;
         }
+        let selection = destination_entry.map_or_else(
+            || MutationSelection::Directory(destination_root),
+            MutationSelection::Entry,
+        );
         Ok(MutationOutcome {
             action,
             entries: entries.into_iter().map(|entry| entry.destination).collect(),
+            selection: Some(selection),
         })
     }