Admin user editing, knight-rider demos, self-contained user seeds

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_led_patterns.py

@@ -30,6 +30,33 @@ def test_chase_frame_has_head_and_tail():
     assert sum(1 for c in frame if c != (0, 0, 0)) == 2
 
 
+def test_bounce_head_pingpongs_off_ends():
+    patterns = _load_patterns_module()
+    bounce = patterns._bounce_head_index
+    assert bounce(5, 0) == 0 and bounce(5, 4) == 4
+    assert bounce(5, 5) == 3 and bounce(5, 8) == 1 and bounce(5, 16) == bounce(5, 0)
+
+
+def test_scanner_bounce_has_head_and_fading_tail():
+    patterns = _load_patterns_module()
+    frame = patterns.scanner_bounce_frame(
+        8, 20, head_color=(80, 10, 10), tail_color=(20, 50, 90), tail_len=4
+    )
+    assert len(frame) == 8
+    bright = max(range(8), key=lambda i: sum(frame[i]))
+    assert sum(frame[bright]) >= 80
+
+
+def test_knight_rider_tail_falls_off():
+    patterns = _load_patterns_module()
+    fr = patterns.knight_rider_scanner_frame(16, 55, tail_len=8, falloff_gamma=3.0)
+    assert len(fr) == 16
+    reds_sorted = sorted(fr[i][0] for i in range(16) if sum(fr[i]) > 0)
+    assert len(reds_sorted) >= 2
+    assert reds_sorted[-1] >= 200
+    assert reds_sorted[0] < reds_sorted[-1] * 0.5
+
+
 def test_twinkle_frame_is_deterministic_for_same_inputs():
     patterns = _load_patterns_module()
     a = patterns.twinkle_frame(20, frame=9, seed=777, sparkles=4)