L2: task-grouped action bar + kit-drawn dock panel

New pure action_bar module (clusters, keybinding sub-labels, overflow, hit-test) supersedes the flat M11 strip; bank_panel chrome/buttons/tabs/grid now draw through the L1 kit by role with hover. Expose draw_kit::toLice in header to fix drawThumbnail forward-refs. CTest 27/27.

src/draw_kit.h

@@ -27,8 +27,15 @@
 #include "peaks.h"               // Envelope — the waveform primitive's input
 #include "theme.h"               // Role / InteractionState / KitColor / TextClass
 
-// LICE + SWELL types at the boundary (this is the shell half). Forward-declared where
-// possible to keep the header light; the .cpp includes the full LICE/SWELL headers.
+// LICE types at the boundary (this is the shell half). LICE_IBitmap is forward-declared
+// to keep the header light. LICE_pixel is a typedef (unsigned int) — not forward-declarable
+// — so the full lice.h is included only for the toLice() declaration; on Windows lice.h
+// pulls in <windows.h>, which is fine since draw_kit.h is shell-only and never included by
+// a pure module.
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#include "lice/lice.h"
 class LICE_IBitmap;
 
 namespace reasampler {
@@ -46,6 +53,13 @@ enum class Font {
 // single-line convention); a caller wanting multi-line composes rows itself.
 enum class Align { Left, Center, Right };
 
+// --- KitColor → LICE_pixel conversion ----------------------------------------
+
+// The one place a pure KitColor becomes a LICE_pixel. Declared here so any shell
+// translation unit that already includes draw_kit.h can use it without duplicating
+// the LICE_RGBA packing. Defined in draw_kit.cpp.
+LICE_pixel toLice(const KitColor& c);
+
 // --- Font lifecycle (owned by the kit) ---------------------------------------
 
 // Creates the four cached fonts once. Idempotent: a second call before shutdown is a no-op