feat(palette): add render_palette_modal with fuzzy search and keyboard nav

src/command_palette.py

@@ -101,3 +101,57 @@ def _count_gaps(query: str, target: str) -> int:
    last_match = ti
    qi += 1
  return gaps
+
+
+def render_palette_modal(app: Any, commands: List[Command]) -> None:
+ if not getattr(app, "show_command_palette", False):
+  return
+
+ from imgui_bundle import imgui
+
+ viewport = imgui.get_main_viewport()
+ center = viewport.get_center()
+ imgui.set_next_window_pos((center.x - 300, center.y - 200))
+ imgui.set_next_window_size((600, 400))
+
+ if not hasattr(app, "_command_palette_query"):
+  app._command_palette_query = ""
+ if not hasattr(app, "_command_palette_selected"):
+  app._command_palette_selected = 0
+
+ if imgui.is_key_pressed(imgui.Key.escape):
+  app.show_command_palette = False
+  return
+
+ expanded, _ = imgui.begin("Command Palette##manual_slop", closable=True)
+ if not expanded:
+  app.show_command_palette = False
+  imgui.end()
+  return
+
+ imgui.set_next_item_width(-1)
+ changed, app._command_palette_query = imgui.input_text("##query", app._command_palette_query, 256)
+ imgui.set_keyboard_focus_here()
+
+ results = fuzzy_match(app._command_palette_query, commands, top_n=20)
+
+ if imgui.begin_child("##results", (0, -1)):
+  for i, scored in enumerate(results):
+   is_selected = (i == app._command_palette_selected)
+   label = f"[{scored.command.category}] {scored.command.title}"
+   clicked, _ = imgui.selectable(label, is_selected)
+   if clicked:
+    app._command_palette_selected = i
+   if is_selected:
+    imgui.set_item_default_focus()
+    if imgui.is_key_pressed(imgui.Key.enter) or imgui.is_key_pressed(imgui.Key.keypad_enter):
+     if scored.command.action:
+      scored.command.action(app)
+     app.show_command_palette = False
+     app._command_palette_query = ""
+     app._command_palette_selected = 0
+  if not results:
+   imgui.text_disabled("No matching commands.")
+ imgui.end_child()
+
+ imgui.end()