chore(merge): branch 'main' into command-algebra

Add Claude Code GitHub Workflow

.github/workflows/claude-code-review.yml

@@ -0,0 +1,44 @@
+name: Claude Code Review
+
+on:
+  pull_request:
+    types: [opened, synchronize, ready_for_review, reopened]
+    # Optional: Only run on specific file changes
+    # paths:
+    #   - "src/**/*.ts"
+    #   - "src/**/*.tsx"
+    #   - "src/**/*.js"
+    #   - "src/**/*.jsx"
+
+jobs:
+  claude-review:
+    # Optional: Filter by PR author
+    # if: |
+    #   github.event.pull_request.user.login == 'external-contributor' ||
+    #   github.event.pull_request.user.login == 'new-developer' ||
+    #   github.event.pull_request.author_association == 'FIRST_TIME_CONTRIBUTOR'
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+      issues: read
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Run Claude Code Review
+        id: claude-review
+        uses: anthropics/claude-code-action@v1
+        with:
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
+          plugin_marketplaces: 'https://github.com/anthropics/claude-code.git'
+          plugins: 'code-review@claude-code-plugins'
+          prompt: '/code-review:code-review ${{ github.repository }}/pull/${{ github.event.pull_request.number }}'
+          # See https://github.com/anthropics/claude-code-action/blob/main/docs/usage.md
+          # or https://code.claude.com/docs/en/cli-reference for available options
+

.github/workflows/claude.yml

@@ -0,0 +1,50 @@
+name: Claude Code
+
+on:
+  issue_comment:
+    types: [created]
+  pull_request_review_comment:
+    types: [created]
+  issues:
+    types: [opened, assigned]
+  pull_request_review:
+    types: [submitted]
+
+jobs:
+  claude:
+    if: |
+      (github.event_name == 'issue_comment' && contains(github.event.comment.body, '@claude')) ||
+      (github.event_name == 'pull_request_review_comment' && contains(github.event.comment.body, '@claude')) ||
+      (github.event_name == 'pull_request_review' && contains(github.event.review.body, '@claude')) ||
+      (github.event_name == 'issues' && (contains(github.event.issue.body, '@claude') || contains(github.event.issue.title, '@claude')))
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+      issues: read
+      id-token: write
+      actions: read # Required for Claude to read CI results on PRs
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Run Claude Code
+        id: claude
+        uses: anthropics/claude-code-action@v1
+        with:
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
+
+          # This is an optional setting that allows Claude to read CI results on PRs
+          additional_permissions: |
+            actions: read
+
+          # Optional: Give a custom prompt to Claude. If this is not specified, Claude will perform the instructions specified in the comment that tagged it.
+          # prompt: 'Update the pull request description to include a summary of changes.'
+
+          # Optional: Add claude_args to customize behavior and configuration
+          # See https://github.com/anthropics/claude-code-action/blob/main/docs/usage.md
+          # or https://code.claude.com/docs/en/cli-reference for available options
+          # claude_args: '--allowed-tools Bash(gh pr:*)'
+

src/command/keymap.rs

@@ -72,6 +72,8 @@ pub enum Binding {
     },
     /// A prefix sub-keymap (Emacs-style).
     Prefix(Arc<Keymap>),
+    /// A sequence of commands executed in order, concatenating their effects.
+    Sequence(Vec<(&'static str, Vec<String>)>),
 }
 
 /// A keymap maps key patterns to bindings (command names or prefix sub-keymaps).
@@ -121,6 +123,17 @@ impl Keymap {
             .insert(KeyPattern::Key(key, mods), Binding::Prefix(sub));
     }
 
+    /// Bind a key to a sequence of commands (executed in order).
+    pub fn bind_seq(
+        &mut self,
+        key: KeyCode,
+        mods: KeyModifiers,
+        steps: Vec<(&'static str, Vec<String>)>,
+    ) {
+        self.bindings
+            .insert(KeyPattern::Key(key, mods), Binding::Sequence(steps));
+    }
+
     /// Bind a catch-all for any Char key.
     pub fn bind_any_char(&mut self, name: &'static str, args: Vec<String>) {
         self.bindings
@@ -173,6 +186,14 @@ impl Keymap {
                 Some(cmd.execute(ctx))
             }
             Binding::Prefix(sub) => Some(vec![Box::new(SetTransientKeymap(sub.clone()))]),
+            Binding::Sequence(steps) => {
+                let mut effects: Vec<Box<dyn Effect>> = Vec::new();
+                for (name, args) in steps {
+                    let cmd = registry.interactive(name, args, ctx).ok()?;
+                    effects.extend(cmd.execute(ctx));
+                }
+                Some(effects)
+            }
         }
     }
 }
@@ -360,7 +381,11 @@ impl KeymapSet {
         // Drill into aggregated cell / view history / add row
         normal.bind(KeyCode::Char('>'), none, "drill-into-cell");
         normal.bind(KeyCode::Char('<'), none, "view-back");
-        normal.bind(KeyCode::Char('o'), none, "open-record-row");
+        normal.bind_seq(
+            KeyCode::Char('o'),
+            none,
+            vec![("add-record-row", vec![]), ("enter-edit-at-cursor", vec![])],
+        );
 
         // Records mode toggle and prune toggle
         normal.bind(KeyCode::Char('R'), none, "toggle-records-mode");
@@ -384,7 +409,11 @@ impl KeymapSet {
         normal.bind_prefix(KeyCode::Char('y'), none, Arc::new(y_map));
 
         let mut z_map = Keymap::new();
-        z_map.bind(KeyCode::Char('Z'), none, "save-and-quit");
+        z_map.bind_seq(
+            KeyCode::Char('Z'),
+            none,
+            vec![("save", vec![]), ("force-quit", vec![])],
+        );
         normal.bind_prefix(KeyCode::Char('Z'), none, Arc::new(z_map));
 
         set.insert(ModeKey::Normal, Arc::new(normal));
@@ -664,8 +693,8 @@ impl KeymapSet {
         let mut sm = Keymap::new();
         sm.bind(KeyCode::Esc, none, "exit-search-mode");
         sm.bind(KeyCode::Enter, none, "exit-search-mode");
-        sm.bind(KeyCode::Backspace, none, "search-pop-char");
-        sm.bind_any_char("search-append-char", vec![]);
+        sm.bind_args(KeyCode::Backspace, none, "pop-char", vec!["search".into()]);
+        sm.bind_any_char("append-char", vec!["search".into()]);
         set.insert(ModeKey::SearchMode, Arc::new(sm));
 
         // ── Import wizard ────────────────────────────────────────────────

src/ui/app.rs

@@ -506,7 +506,10 @@ mod tests {
         let mut app = two_col_model();
         // Total rows: A, B, C + R0..R9 = 13 rows. Last row = 12.
         for i in 0..10 {
-            app.model.category_mut("Row").unwrap().add_item(&format!("R{i}"));
+            app.model
+                .category_mut("Row")
+                .unwrap()
+                .add_item(&format!("R{i}"));
         }
         app.term_height = 13; // ~5 visible rows
         app.model.active_view_mut().selected = (0, 0);

src/ui/effect.rs

@@ -96,7 +96,11 @@ impl Effect for RemoveFormula {
 pub struct EnterEditAtCursor;
 impl Effect for EnterEditAtCursor {
     fn apply(&self, app: &mut App) {
-        let ctx = app.cmd_context(crossterm::event::KeyCode::Null, crossterm::event::KeyModifiers::NONE);
+        app.rebuild_layout();
+        let ctx = app.cmd_context(
+            crossterm::event::KeyCode::Null,
+            crossterm::event::KeyModifiers::NONE,
+        );
         let value = ctx.display_value.clone();
         drop(ctx);
         app.buffers.insert("edit".to_string(), value);
@@ -472,9 +476,10 @@ pub struct SetDrillPendingEdit {
 impl Effect for SetDrillPendingEdit {
     fn apply(&self, app: &mut App) {
         if let Some(drill) = &mut app.drill_state {
-            drill
-                .pending_edits
-                .insert((self.record_idx, self.col_name.clone()), self.new_value.clone());
+            drill.pending_edits.insert(
+                (self.record_idx, self.col_name.clone()),
+                self.new_value.clone(),
+            );
         }
     }
 }

src/ui/grid.rs

@@ -59,7 +59,7 @@ impl<'a> GridWidget<'a> {
         let n_col_levels = layout.col_cats.len().max(1);
         let n_row_levels = layout.row_cats.len().max(1);
 
-        let col_widths = compute_col_widths(self.model, &layout, fmt_comma, fmt_decimals);
+        let col_widths = compute_col_widths(self.model, layout, fmt_comma, fmt_decimals);
 
         // ── Adaptive row header widths ───────────────────────────────
         let data_row_items: Vec<&Vec<String>> = layout

src/ui/tile_bar.rs

@@ -4,20 +4,12 @@ use ratatui::{
     style::{Color, Modifier, Style},
     widgets::Widget,
 };
+use unicode_width::UnicodeWidthStr;
 
 use crate::model::Model;
 use crate::ui::app::AppMode;
 use crate::view::Axis;
 
-fn axis_display(axis: Axis) -> (&'static str, Color) {
-    match axis {
-        Axis::Row => ("↕", Color::Green),
-        Axis::Column => ("↔", Color::Blue),
-        Axis::Page => ("☰", Color::Magenta),
-        Axis::None => ("∅", Color::DarkGray),
-    }
-}
-
 pub struct TileBar<'a> {
     pub model: &'a Model,
     pub mode: &'a AppMode,

src/view/layout.rs

@@ -676,7 +676,10 @@ mod tests {
         let region_col = cols.iter().position(|c| c == "Region").unwrap();
         let key = layout.cell_key(0, region_col).unwrap();
         let display = layout.resolve_display(&key).unwrap();
-        assert!(!display.is_empty(), "Region column should resolve to a value");
+        assert!(
+            !display.is_empty(),
+            "Region column should resolve to a value"
+        );
     }
 
     #[test]