=== SAVED CAST: z_1 ===
Normalized points: 64
Raw points: 21

--- NORMALIZED STROKE POINTS (x, y in [0,1], top-left origin) ---
  [ 0]  (0.7228, 1.0000)
  [ 1]  (0.7255, 0.9688)
  [ 2]  (0.7281, 0.9377)
  [ 3]  (0.7308, 0.9065)
  [ 4]  (0.7333, 0.8754)
  [ 5]  (0.7351, 0.8441)
  [ 6]  (0.7368, 0.8129)
  [ 7]  (0.7386, 0.7817)
  [ 8]  (0.7404, 0.7505)
  [ 9]  (0.7421, 0.7193)
  [10]  (0.7439, 0.6880)
  [11]  (0.7456, 0.6568)
  [12]  (0.7474, 0.6256)
  [13]  (0.7485, 0.5944)
  [14]  (0.7485, 0.5631)
  [15]  (0.7485, 0.5318)
  [16]  (0.7485, 0.5006)
  [17]  (0.7485, 0.4693)
  [18]  (0.7485, 0.4380)
  [19]  (0.7485, 0.4067)
  [20]  (0.7435, 0.3763)
  [21]  (0.7336, 0.3466)
  [22]  (0.7237, 0.3170)
  [23]  (0.7094, 0.2898)
  [24]  (0.6893, 0.2658)
  [25]  (0.6692, 0.2419)
  [26]  (0.6491, 0.2179)
  [27]  (0.6290, 0.1940)
  [28]  (0.6093, 0.1697)
  [29]  (0.5930, 0.1430)
  [30]  (0.5768, 0.1163)
  [31]  (0.5606, 0.0896)
  [32]  (0.5437, 0.0633)
  [33]  (0.5264, 0.0372)
  [34]  (0.5122, 0.0094)
  [35]  (0.4942, 0.0000)
  [36]  (0.4697, 0.0195)
  [37]  (0.4471, 0.0407)
  [38]  (0.4287, 0.0660)
  [39]  (0.4107, 0.0915)
  [40]  (0.3984, 0.1203)
  [41]  (0.3861, 0.1490)
  [42]  (0.3692, 0.1749)
  [43]  (0.3495, 0.1989)
  [44]  (0.3440, 0.2297)
  [45]  (0.3385, 0.2605)
  [46]  (0.3333, 0.2913)
  [47]  (0.3294, 0.3223)
  [48]  (0.3255, 0.3534)
  [49]  (0.3216, 0.3844)
  [50]  (0.3177, 0.4154)
  [51]  (0.3138, 0.4465)
  [52]  (0.3098, 0.4775)
  [53]  (0.3058, 0.5085)
  [54]  (0.3018, 0.5395)
  [55]  (0.2979, 0.5705)
  [56]  (0.2939, 0.6015)
  [57]  (0.2876, 0.6321)
  [58]  (0.2809, 0.6627)
  [59]  (0.2741, 0.6932)
  [60]  (0.2673, 0.7237)
  [61]  (0.2610, 0.7543)
  [62]  (0.2562, 0.7852)
  [63]  (0.2515, 0.8161)

--- KEY VERTICES (corners with angle < 120 degrees) ---
  V0  (0.5122, 0.0094)  angle=35.3 deg
  V1  (0.4942, 0.0000)  angle=66.1 deg

--- SUGGESTED DOT TEMPLATE FORMAT ---
// Paste into SpellGestureTracker.java getDotTemplates():
new DotTemplate(DetectedPattern.SPELL_NAME, "description",
    new double[][] {
        // pick key dots from vertices above
    },
    new int[][] {
        // define connections between dots
    }
),
