=== SAVED CAST: echo_1_s81 ===
Normalized points: 64
Raw points: N/A

--- NORMALIZED STROKE POINTS (x, y in [0,1], top-left origin) ---
  [ 0]  (0.7429, 0.2905)
  [ 1]  (0.7613, 0.4951)
  [ 2]  (0.7876, 0.6989)
  [ 3]  (0.8180, 0.9021)
  [ 4]  (0.7221, 0.9932)
  [ 5]  (0.5166, 0.9915)
  [ 6]  (0.3113, 1.0000)
  [ 7]  (0.1599, 0.9605)
  [ 8]  (0.7429, 0.3546)
  [ 9]  (0.7943, 0.4196)
  [10]  (0.7848, 0.4968)
  [11]  (0.7146, 0.5262)
  [12]  (0.6465, 0.4992)
  [13]  (0.6510, 0.4194)
  [14]  (0.7299, 0.3966)
  [15]  (0.7359, 0.4250)
  [16]  (0.7429, 0.9845)
  [17]  (0.6997, 0.8778)
  [18]  (0.6834, 0.7639)
  [19]  (0.6739, 0.6489)
  [20]  (0.6990, 0.5442)
  [21]  (0.7797, 0.4686)
  [22]  (0.8294, 0.3662)
  [23]  (0.8401, 0.2513)
  [24]  (0.7429, 0.0000)
  [25]  (0.7567, 0.0581)
  [26]  (0.7337, 0.1058)
  [27]  (0.6856, 0.1240)
  [28]  (0.6286, 0.1059)
  [29]  (0.6158, 0.0496)
  [30]  (0.6703, 0.0286)
  [31]  (0.6898, 0.0726)
  [32]  (0.7429, 0.3923)
  [33]  (0.7362, 0.4598)
  [34]  (0.7313, 0.5274)
  [35]  (0.7268, 0.5950)
  [36]  (0.7260, 0.6628)
  [37]  (0.7252, 0.7306)
  [38]  (0.7226, 0.7983)
  [39]  (0.7130, 0.8654)
  [40]  (0.7429, 0.3687)
  [41]  (0.6923, 0.3645)
  [42]  (0.6416, 0.3628)
  [43]  (0.5908, 0.3614)
  [44]  (0.5401, 0.3600)
  [45]  (0.4893, 0.3582)
  [46]  (0.4386, 0.3558)
  [47]  (0.3879, 0.3534)
  [48]  (0.7429, 0.1712)
  [49]  (0.7101, 0.1675)
  [50]  (0.6772, 0.1639)
  [51]  (0.6443, 0.1603)
  [52]  (0.6114, 0.1568)
  [53]  (0.5784, 0.1542)
  [54]  (0.5455, 0.1516)
  [55]  (0.5125, 0.1490)
  [56]  (0.7429, 0.8629)
  [57]  (0.6857, 0.7814)
  [58]  (0.6373, 0.6953)
  [59]  (0.6031, 0.6018)
  [60]  (0.5728, 0.5070)
  [61]  (0.5505, 0.4103)
  [62]  (0.6436, 0.3836)
  [63]  (0.7429, 0.3759)

--- KEY VERTICES (corners with angle < 120 degrees) ---
  V0  (0.8180, 0.9021)  angle=55.0 deg
  V1  (0.7221, 0.9932)  angle=44.0 deg
  V2  (0.1599, 0.9605)  angle=119.3 deg
  V3  (0.7429, 0.3546)  angle=97.8 deg
  V4  (0.7943, 0.4196)  angle=45.3 deg
  V5  (0.7848, 0.4968)  angle=60.3 deg
  V6  (0.7146, 0.5262)  angle=44.4 deg
  V7  (0.6465, 0.4992)  angle=71.6 deg
  V8  (0.6510, 0.4194)  angle=70.7 deg
  V9  (0.7299, 0.3966)  angle=94.2 deg
  V10  (0.7429, 0.9845)  angle=158.6 deg
  V11  (0.6990, 0.5442)  angle=33.4 deg
  V12  (0.7429, 0.0000)  angle=172.2 deg
  V13  (0.7567, 0.0581)  angle=39.1 deg
  V14  (0.7337, 0.1058)  angle=43.6 deg
  V15  (0.6856, 0.1240)  angle=38.3 deg
  V16  (0.6286, 0.1059)  angle=59.5 deg
  V17  (0.6158, 0.0496)  angle=81.8 deg
  V18  (0.6703, 0.0286)  angle=87.1 deg
  V19  (0.7130, 0.8654)  angle=175.3 deg
  V20  (0.7429, 0.3687)  angle=88.7 deg
  V21  (0.3879, 0.3534)  angle=150.1 deg
  V22  (0.7429, 0.1712)  angle=146.5 deg
  V23  (0.5125, 0.1490)  angle=112.4 deg
  V24  (0.7429, 0.8629)  angle=162.8 deg
  V25  (0.5505, 0.4103)  angle=87.0 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
    }
),
