Narrow Win32 runtime shell surface

docs/modernization/roadmap.md

@@ -75,6 +75,15 @@ Latest slice:
   `windows_runtime_flow.cpp`.
 - `src/platform_windows/windows_runtime_flow.cpp` is now a thinner handoff
   layer over that Windows session helper.
+- `src/platform_windows/windows_runtime_shell.h` no longer exposes the removed
+  runtime-session entrypoint or drags bootstrap/splash declarations through the
+  broader shell header surface.
+- `src/platform_windows/windows_runtime_shell.cpp` now hands runtime execution
+  directly to `run_bound_main_window_runtime(...)` instead of keeping a second
+  wrapper around that seam.
+- `src/main.cpp` now includes `windows_bootstrap_helpers.h` directly for
+  `run_winmain_entry(...)` instead of relying on a transitive declaration
+  through the Windows runtime shell header.
 - `src/platform_windows/windows_runtime_flow.*` now owns the Win32 bound-app
   startup/message-loop/shutdown orchestration that used to live in
   `windows_runtime_shell.cpp`.

docs/modernization/tasks.md

@@ -82,6 +82,14 @@ Current slice:
   Win32 runtime loop/startup/shutdown body.
 - `src/platform_windows/windows_runtime_flow.cpp` is now only a thin handoff
   into that session helper.
+- `src/platform_windows/windows_runtime_shell.h` no longer exposes the removed
+  runtime-session entrypoint or carries bootstrap/splash declarations for it.
+- `src/platform_windows/windows_runtime_shell.cpp` now calls
+  `run_bound_main_window_runtime(...)` directly instead of keeping a second
+  wrapper entrypoint around that seam.
+- `src/main.cpp` now includes `windows_bootstrap_helpers.h` directly for
+  `run_winmain_entry(...)` instead of depending on a transitive declaration
+  through the shell header.
 - `src/platform_windows/windows_runtime_flow.*` now owns the Win32 bound-app
   startup/message-loop/shutdown orchestration.
 - `src/platform_windows/windows_runtime_shell.cpp` now delegates that runtime

src/main.cpp

@@ -1,5 +1,6 @@
 #include "pch.h"
 
+#include "platform_windows/windows_bootstrap_helpers.h"
 #include "platform_windows/windows_runtime_shell.h"
 
 int main(int argc, char** argv)

src/platform_windows/windows_runtime_session.cpp

@@ -4,8 +4,10 @@
 
 #include "app.h"
 #include "log.h"
+#include "platform_windows/windows_bootstrap_helpers.h"
 #include "platform_windows/windows_lifecycle_state.h"
 #include "platform_windows/windows_main_window_session.h"
+#include "platform_windows/windows_platform_services.h"
 #include "platform_windows/windows_runtime_shell.h"
 #include "platform_windows/windows_runtime_state.h"
 #include "wacom.h"

src/platform_windows/windows_runtime_shell.cpp

@@ -3,9 +3,7 @@
 #include "platform_windows/windows_runtime_shell.h"
 
 #include "app.h"
-#include "log.h"
 #include "platform_windows/windows_bootstrap_helpers.h"
-#include "platform_windows/windows_lifecycle_state.h"
 #include "platform_windows/windows_main_window_session.h"
 #include "platform_windows/windows_platform_services.h"
 #include "platform_windows/windows_runtime_flow.h"
@@ -13,7 +11,6 @@
 #include "platform_windows/windows_stylus_input.h"
 #include "platform_windows/windows_window_shell.h"
 #include "wacom.h"
-#include "../resource.h"
 
 namespace pp::platform::windows {
 
@@ -108,14 +105,9 @@ int run_main_application(int argc, char** argv)
         }
     }
 
-    pp::platform::windows::run_main_window_runtime(startup, start_in_vr, instance, splash);
+    pp::platform::windows::run_bound_main_window_runtime(startup, start_in_vr, instance, splash);
     release_bound_app();
     return 0;
 }
 
-void run_main_window_runtime(const MainWindowStartupState& startup, bool start_in_vr, HINSTANCE instance, SplashScreen& splash)
-{
-    run_bound_main_window_runtime(startup, start_in_vr, instance, splash);
-}
-
 }

src/platform_windows/windows_runtime_shell.h

@@ -1,15 +1,11 @@
 #pragma once
 
-#include "platform_windows/windows_bootstrap_helpers.h"
-#include "platform_windows/windows_splash.h"
-
 class App;
 class WacomTablet;
 
 namespace pp::platform::windows {
 
 int run_main_application(int argc, char** argv);
-void run_main_window_runtime(const MainWindowStartupState& startup, bool start_in_vr, HINSTANCE instance, SplashScreen& splash);
 void bind_app(App* app) noexcept;
 [[nodiscard]] App* bound_app() noexcept;
 void release_bound_app() noexcept;