=== SAVED CAST: z_3 ===
Normalized points: 64
Raw points: 13

--- NORMALIZED STROKE POINTS (x, y in [0,1], top-left origin) ---
  [ 0]  (0.7096, 1.0000)
  [ 1]  (0.7129, 0.9691)
  [ 2]  (0.7163, 0.9382)
  [ 3]  (0.7197, 0.9073)
  [ 4]  (0.7230, 0.8764)
  [ 5]  (0.7264, 0.8455)
  [ 6]  (0.7297, 0.8146)
  [ 7]  (0.7331, 0.7836)
  [ 8]  (0.7365, 0.7527)
  [ 9]  (0.7380, 0.7217)
  [10]  (0.7385, 0.6906)
  [11]  (0.7390, 0.6595)
  [12]  (0.7395, 0.6285)
  [13]  (0.7400, 0.5974)
  [14]  (0.7405, 0.5663)
  [15]  (0.7410, 0.5352)
  [16]  (0.7414, 0.5041)
  [17]  (0.7419, 0.4730)
  [18]  (0.7424, 0.4419)
  [19]  (0.7429, 0.4109)
  [20]  (0.7434, 0.3798)
  [21]  (0.7439, 0.3487)
  [22]  (0.7401, 0.3191)
  [23]  (0.7204, 0.2950)
  [24]  (0.7008, 0.2709)
  [25]  (0.6811, 0.2469)
  [26]  (0.6614, 0.2228)
  [27]  (0.6417, 0.1988)
  [28]  (0.6220, 0.1747)
  [29]  (0.6023, 0.1506)
  [30]  (0.5827, 0.1266)
  [31]  (0.5630, 0.1025)
  [32]  (0.5433, 0.0784)
  [33]  (0.5236, 0.0544)
  [34]  (0.4997, 0.0353)
  [35]  (0.4725, 0.0203)
  [36]  (0.4453, 0.0053)
  [37]  (0.4215, 0.0000)
  [38]  (0.4096, 0.0287)
  [39]  (0.3977, 0.0575)
  [40]  (0.3858, 0.0862)
  [41]  (0.3740, 0.1149)
  [42]  (0.3621, 0.1437)
  [43]  (0.3517, 0.1729)
  [44]  (0.3440, 0.2030)
  [45]  (0.3363, 0.2331)
  [46]  (0.3286, 0.2632)
  [47]  (0.3208, 0.2934)
  [48]  (0.3131, 0.3235)
  [49]  (0.3054, 0.3536)
  [50]  (0.2977, 0.3837)
  [51]  (0.2900, 0.4138)
  [52]  (0.2823, 0.4439)
  [53]  (0.2762, 0.4744)
  [54]  (0.2731, 0.5053)
  [55]  (0.2700, 0.5362)
  [56]  (0.2668, 0.5672)
  [57]  (0.2637, 0.5981)
  [58]  (0.2605, 0.6290)
  [59]  (0.2574, 0.6599)
  [60]  (0.2561, 0.6910)
  [61]  (0.2561, 0.7221)
  [62]  (0.2561, 0.7532)
  [63]  (0.2561, 0.7842)

--- KEY VERTICES (corners with angle < 120 degrees) ---
  V0  (0.7401, 0.3191)  angle=32.0 deg
  V1  (0.4215, 0.0000)  angle=80.1 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
    }
),
