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.cpp

@@ -23,16 +23,17 @@
 
 namespace reasampler {
 
-namespace {
-
 // --- KitColor <-> LICE boundary ----------------------------------------------
 
 // The one place a pure KitColor becomes a LICE_pixel. Verified packing: LICE_RGBA(r,g,b,a)
-// (lice.h:57). The theme owns the color; the shell owns the packing.
+// (lice.h:57). The theme owns the color; the shell owns the packing. Declared in draw_kit.h
+// so shell translation units (bank_panel) can use it without duplicating the LICE_RGBA pack.
 LICE_pixel toLice(const KitColor& c) {
     return LICE_RGBA(c.r, c.g, c.b, c.a);
 }
 
+namespace {
+
 // The draw alpha the LICE primitives take (0..1), from the KitColor's 8-bit alpha. Used so
 // a disabled surface (alpha 0.4) composites at the right opacity — LICE_FillRect etc. take
 // a float alpha argument separate from the pixel's own alpha byte.