feat: ship manifest.launcher.md for master-detail launcher

manifest.launcher.md

@@ -0,0 +1,29 @@
+---
+{
+  "summary":"Spine prototype demo — RMB-move + proximity sign",
+  "author":"calic",
+  "tags":["demo","foundational","tile-map"],
+  "teaser_images":[]
+}
+---
+
+# Spine Prototype
+
+Foundational end-to-end demo from the bootstrap phase.
+
+## What it shows
+
+- Tile-map loading via lib-core.maps
+- Click-select + drag-box-select units
+- Right-mouse-button move command
+- Proximity-triggered sign interaction (press E near it)
+- Free-pan camera toggle (Tab)
+
+## Controls
+
+- WASD / arrow-keys: move
+- E: interact
+- Tab: toggle free-pan camera
+- Mouse-left: select units
+- Mouse-right: move-command
+- ESC: quit to launcher

manifest.module

@@ -1,6 +1,6 @@
 {
     "id": "spine-prototype",
-    "version": "0.3.0",
+    "version": "0.3.1",
     "kind": "module",
     "api": "^0.1",
     "ci_frames": 30,