refactor(command): parameterize mode-related commands and effects

Make mode-related commands and effects mode-agnostic by passing the target
mode as an argument instead of inspecting the current application mode.

- `CommitAndAdvance` now accepts `edit_mode` .
- `EditOrDrill` now accepts `edit_mode` .
- `EnterEditAtCursorCmd` now accepts `target_mode` .
- `EnterEditAtCursor` effect now accepts `target_mode` .

Update the command registry to parse mode names from arguments and pass
them to the corresponding commands.

Add tests to verify the new mode-passing behavior.

Co-Authored-By: fiddlerwoaroof/git-smart-commit (gemma-4-26B-A4B-it-UD-Q5_K_XL.gguf)

src/command/cmd/commit.rs

@@ -118,6 +118,35 @@ mod tests {
         assert!(effects.is_empty());
     }
 
+    /// `CommitAndAdvance` must thread its `edit_mode` through to the
+    /// trailing `EnterEditAtCursor` effect so the post-commit re-edit lands
+    /// in the mode the keymap requested. The command never reads ctx.mode.
+    #[test]
+    fn commit_and_advance_threads_edit_mode_to_enter_edit_at_cursor() {
+        let m = two_cat_model();
+        let layout = make_layout(&m);
+        let reg = make_registry();
+        let mut bufs = HashMap::new();
+        bufs.insert("edit".to_string(), "42".to_string());
+        let mut ctx = make_ctx(&m, &layout, &reg);
+        ctx.buffers = &bufs;
+        // ctx.mode stays Normal — the command must not look at it.
+        let key = ctx.cell_key().unwrap();
+        let cmd = CommitAndAdvance {
+            key,
+            value: "42".to_string(),
+            advance: super::AdvanceDir::Down,
+            cursor: super::CursorState::from_ctx(&ctx),
+            edit_mode: AppMode::records_editing(),
+        };
+        let effects = cmd.execute(&ctx);
+        let dbg = effects_debug(&effects);
+        assert!(
+            dbg.contains("EnterEditAtCursor") && dbg.contains("RecordsEditing"),
+            "Expected trailing EnterEditAtCursor with RecordsEditing target, got: {dbg}"
+        );
+    }
+
     #[test]
     fn commit_export_produces_export_and_normal_mode() {
         let m = two_cat_model();
@@ -234,12 +263,18 @@ pub enum AdvanceDir {
 
 /// Commit a cell edit, advance the cursor, and re-enter edit mode.
 /// Subsumes the old `CommitCellEdit` (Down) and `CommitAndAdvanceRight` (Right).
+///
+/// `edit_mode` is the editing mode to re-enter after advancing. The keymap
+/// binding supplies this — the editing-mode keymap passes `editing` and the
+/// records-editing keymap passes `records-editing`. The command itself
+/// never inspects `ctx.mode`.
 #[derive(Debug)]
 pub struct CommitAndAdvance {
     pub key: CellKey,
     pub value: String,
     pub advance: AdvanceDir,
     pub cursor: CursorState,
+    pub edit_mode: AppMode,
 }
 impl Cmd for CommitAndAdvance {
     fn name(&self) -> &'static str {
@@ -287,7 +322,9 @@ impl Cmd for CommitAndAdvance {
                 }
             }
         }
-        effects.push(Box::new(effect::EnterEditAtCursor));
+        effects.push(Box::new(effect::EnterEditAtCursor {
+            target_mode: self.edit_mode.clone(),
+        }));
         effects
     }
 }