documents: table moves and tidy read apart; a code press names its text

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

src/documents/document/apart.rs

@@ -8,6 +8,7 @@ use super::{
     DocumentEvent, LARGEST_READ, MarkdownDocument,
     block::{self, BlockCommand},
     format::{Change, EditRefusal, InlineFormat, toggle},
+    tables::{self, TableEdit},
 };
 use crate::documents::{MarkdownMode, modes::joint};
 
@@ -41,6 +42,21 @@ impl MarkdownDocument {
         )
     }
 
+    /// `edit` on the table at the caret, read apart.
+    pub fn edit_table(
+        &mut self,
+        edit: TableEdit,
+        cx: &mut Context<Self>,
+    ) -> Result<(), EditRefusal> {
+        self.apart(
+            format!("table edit {edit:?}"),
+            move |full, selection| {
+                tables::edit_table(full, selection.start, edit).map_err(EditRefusal::Cells)
+            },
+            cx,
+        )
+    }
+
     /// Reads `read` off the UI thread, then writes its change.
     fn apart(
         &mut self,