feat: expand campaign and refine puzzle visuals and controls

labs/hex-video/fixture.js

@@ -0,0 +1,21 @@
+import { hexagon, solve, trace } from '../../src/core.js';
+// A compact, deterministic visual fixture. Each inserted piece can escape before
+// all earlier pieces, so reverse insertion always yields a complete solution.
+export function makeLabLevel() {
+  const level = { version: 1, name: '薄片六边形实验', cells: hexagon(2), tiles: [], moveLimit: 18, rotationEnabled: true };
+  const candidates = [
+    [0,0,0],[0,-1,0],[0,1,3],[-1,0,5],[1,0,2],[1,-1,0],
+    [0,-2,0],[0,2,3],[-2,1,5],[2,-1,1],[-1,-1,4],[1,-2,0],
+    [-1,2,3],[1,1,2],[-2,2,4],[2,-2,5],[-2,0,5],[2,0,1]
+  ];
+  for (const [q,r,preferred] of candidates) {
+    for (let offset = 0; offset < 6; offset++) {
+      const dir = (preferred + offset) % 6;
+      const tile = { id: `lab-${level.tiles.length}`, q, r, dir, color: dir };
+      if (trace(level, tile, [...level.tiles,tile]).status === 'exit') { level.tiles.push(tile); break; }
+    }
+  }
+  level.moveLimit = level.tiles.length;
+  if (!solve(level).solvable) throw new Error('Lab fixture must be solvable');
+  return level;
+}