feat(P.2.6): migrate bindings to v0.2.0 string-keys

6 input.bind() calls migrated from engine.input.KEY_* integers to
lowercase string-keys. Module is now engine.input.KEY_*-free (audit-
I3 resolved).

deps[]: lib-core.input version 0.1.0 → 0.2.0.

init.lua

@@ -16,13 +16,13 @@ local map_center_y = (m_size.h * t_size) / 2
 camera.set_target(map_center_x, map_center_y)
 camera.set_zoom(1.0)
 
--- Bind input actions
-input.bind("quit",       { engine.input.KEY_ESCAPE })
-input.bind("move_left",  { engine.input.KEY_A, engine.input.KEY_LEFT })
-input.bind("move_right", { engine.input.KEY_D, engine.input.KEY_RIGHT })
-input.bind("move_up",    { engine.input.KEY_W, engine.input.KEY_UP })
-input.bind("move_down",  { engine.input.KEY_S, engine.input.KEY_DOWN })
-input.bind("interact",   { engine.input.KEY_E })
+-- Bind input actions (string-key-names per lib-core.input v0.2.0)
+input.bind("quit",       { "escape" })
+input.bind("move_left",  { "a", "left" })
+input.bind("move_right", { "d", "right" })
+input.bind("move_up",    { "w", "up" })
+input.bind("move_down",  { "s", "down" })
+input.bind("interact",   { "e" })
 
 -- Configure player: defaults are 24x24 + 200 px/sec; place at map-center
 local p_size = player.size()

manifest.module

@@ -8,7 +8,7 @@
         {"id":"lib-core.maps","version":"0.1.0"},
         {"id":"lib-core.render","version":"0.1.0"},
         {"id":"lib-core.camera","version":"0.1.0"},
-        {"id":"lib-core.input","version":"0.1.0"},
+        {"id":"lib-core.input","version":"0.2.0"},
         {"id":"lib-core.player_control","version":"0.1.0"},
         {"id":"lib-core.interaction","version":"0.1.0"}
     ]