Expose file and Pi panels

src/tui.zig

@@ -1313,6 +1313,15 @@ pub const Client = struct {
         self.panel_context = .file_picker;
     }
 
+    fn openPiPanel(self: *Client) !void {
+        const rows = [_][]const u8{
+            "pi_ask:explain_current_buffer",
+            "pi_edit:propose_patch",
+            "pi_review:critique_diff",
+        };
+        try self.openListRows("pi", rows[0..], .none);
+    }
+
     fn openListRows(self: *Client, title: []const u8, rows: []const []const u8, context: PanelContext) !void {
         if (rows.len == 0) {
             self.message = "empty list";
@@ -2426,6 +2435,7 @@ pub const Client = struct {
             },
             .symbol => |symbol| try self.applyProtocol(symbol_mod.protocolCommand(symbol)),
             .file_picker => try self.openFilePickerPanel(),
+            .pi_panel => try self.openPiPanel(),
             .search_file => self.openSearchPrompt(),
             .search_project => self.openProjectSearchPrompt(),
             .hover => try self.showCompactHover(),
@@ -5353,3 +5363,15 @@ test "regular: dot repeats put and remains undoable" {
     snap = try client.session.snapshot();
     try std.testing.expectEqualStrings("abcabc", snap.bytes);
 }
+
+test "regular: Space P opens Pi panel" {
+    var client = try Client.init(std.testing.allocator, .{ .width = 56, .height = 10 });
+    defer client.deinit();
+
+    try client.handleInput(" ");
+    try client.handleInput("P");
+    const frame = try client.render(std.testing.allocator);
+    defer std.testing.allocator.free(frame);
+    try std.testing.expect(std.mem.indexOf(u8, frame, "panel [pi]") != null);
+    try std.testing.expect(std.mem.indexOf(u8, frame, "pi_ask:explain_current_buffer") != null);
+}