step 1: lock public api and pure core

src/dpg_map/__init__.py

@@ -1,2 +1,87 @@
+"""Public API for dpg-map."""
+
+from .api import (
+    add_layer,
+    add_marker,
+    add_polyline,
+    add_trajectory,
+    clear_disk_cache,
+    clear_layer,
+    clear_map,
+    clear_memory_cache,
+    configure,
+    delete_overlay,
+    fit_bounds,
+    get_cache_stats,
+    get_center,
+    get_map_debug_state,
+    get_zoom,
+    hide_layer,
+    latlon_to_screen,
+    screen_to_latlon,
+    set_center,
+    set_marker_label,
+    set_marker_position,
+    set_overlay_show,
+    set_polyline_points,
+    set_provider,
+    set_view,
+    set_zoom,
+    show_layer,
+    update_marker,
+    update_polyline,
+    update_trajectory,
+)
+from .providers import (
+    TileProvider,
+    get_provider,
+    list_providers,
+    register_provider,
+    unregister_provider,
+)
+from .widget import map_widget
+
+__all__ = [
+    "TileProvider",
+    "add_layer",
+    "add_marker",
+    "add_polyline",
+    "add_trajectory",
+    "clear_disk_cache",
+    "clear_layer",
+    "clear_map",
+    "clear_memory_cache",
+    "configure",
+    "delete_overlay",
+    "fit_bounds",
+    "get_cache_stats",
+    "get_center",
+    "get_map_debug_state",
+    "get_provider",
+    "get_zoom",
+    "hide_layer",
+    "latlon_to_screen",
+    "list_providers",
+    "map_widget",
+    "register_provider",
+    "screen_to_latlon",
+    "set_center",
+    "set_marker_label",
+    "set_marker_position",
+    "set_overlay_show",
+    "set_polyline_points",
+    "set_provider",
+    "set_view",
+    "set_zoom",
+    "show_layer",
+    "unregister_provider",
+    "update_marker",
+    "update_polyline",
+    "update_trajectory",
+]
+
+
 def main() -> None:
-    print("Hello from dpg-map!")
+    """Console entry point placeholder."""
+
+    print("dpg-map")