-
Notifications
You must be signed in to change notification settings - Fork 26
Expand file tree
/
Copy pathindex.html
More file actions
2733 lines (2477 loc) ยท 115 KB
/
index.html
File metadata and controls
2733 lines (2477 loc) ยท 115 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Presentation - Claude Code Hooks</title>
<link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 90' width='140' height='126'%3E%3Cstyle%3E.claude-body%7Banimation:jump .5s ease-in-out infinite;transform-origin:center bottom%7D.shadow%7Banimation:shadow-scale .5s ease-in-out infinite%7D.left-arm%7Banimation:wave-left .5s ease-in-out infinite;transform-origin:right center%7D.right-arm%7Banimation:wave-right .5s ease-in-out infinite;transform-origin:left center%7D.left-ear%7Banimation:ear-bounce .5s ease-in-out infinite;transform-origin:center bottom%7D.right-ear%7Banimation:ear-bounce .5s ease-in-out infinite .1s;transform-origin:center bottom%7D@keyframes jump%7B0%25,100%25%7Btransform:translateY(0) scaleY(1) scaleX(1)%7D30%25%7Btransform:translateY(-16px) scaleY(1.1) scaleX(.95)%7D50%25%7Btransform:translateY(-18px) scaleY(1.05) scaleX(.98)%7D80%25%7Btransform:translateY(-5px) scaleY(.95) scaleX(1.05)%7D%7D@keyframes shadow-scale%7B0%25,100%25%7Btransform:scaleX(1);opacity:.25%7D50%25%7Btransform:scaleX(.4);opacity:.08%7D%7D@keyframes wave-left%7B0%25,100%25%7Btransform:rotate(0)%7D50%25%7Btransform:rotate(-25deg)%7D%7D@keyframes wave-right%7B0%25,100%25%7Btransform:rotate(0)%7D50%25%7Btransform:rotate(25deg)%7D%7D@keyframes ear-bounce%7B0%25,100%25%7Btransform:scaleY(1)%7D40%25%7Btransform:scaleY(1.2)%7D60%25%7Btransform:scaleY(.85)%7D%7D%3C/style%3E%3Cellipse class='shadow' cx='50' cy='82' rx='22' ry='5' fill='%23000'/%3E%3Cg class='claude-body'%3E%3Crect class='left-ear' x='22' y='10' width='8' height='14' fill='%23E07C4C'/%3E%3Crect class='right-ear' x='70' y='10' width='8' height='14' fill='%23E07C4C'/%3E%3Crect x='18' y='24' width='64' height='4' fill='%23E07C4C'/%3E%3Crect x='14' y='28' width='72' height='32' fill='%23E07C4C'/%3E%3Crect x='30' y='34' width='8' height='10' fill='%23000'/%3E%3Crect x='62' y='34' width='8' height='10' fill='%23000'/%3E%3Crect class='left-arm' x='2' y='36' width='12' height='8' fill='%23E07C4C'/%3E%3Crect class='right-arm' x='86' y='36' width='12' height='8' fill='%23E07C4C'/%3E%3Crect x='24' y='60' width='12' height='14' fill='%23E07C4C'/%3E%3Crect x='64' y='60' width='12' height='14' fill='%23E07C4C'/%3E%3C/g%3E%3C/svg%3E">
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
background: #ffffff;
color: #1a1a1a;
line-height: 1.6;
}
.slide {
display: none;
min-height: 100vh;
padding: 60px 80px;
max-width: 1200px;
margin: 0 auto;
}
.slide.active {
display: block;
}
h1 {
font-size: 2.5rem;
font-weight: 600;
margin-bottom: 40px;
color: #1a1a1a;
border-bottom: 2px solid #e5e5e5;
padding-bottom: 20px;
}
h2 {
font-size: 1.8rem;
font-weight: 600;
margin-bottom: 24px;
color: #2a2a2a;
}
h3 {
font-size: 1.3rem;
font-weight: 600;
margin: 24px 0 12px 0;
color: #333;
}
p {
font-size: 1.1rem;
margin-bottom: 16px;
color: #444;
}
.hook-number {
display: inline-block;
width: 36px;
height: 36px;
background: #1a1a1a;
color: #fff;
border-radius: 50%;
text-align: center;
line-height: 36px;
font-weight: 600;
margin-right: 12px;
font-size: 1rem;
}
.hook-title {
display: flex;
align-items: center;
margin-bottom: 24px;
}
.hook-name {
font-family: 'SF Mono', Monaco, 'Courier New', monospace;
font-size: 1.8rem;
font-weight: 600;
color: #1a1a1a;
}
.trigger-box {
background: #f8f9fa;
border-left: 4px solid #1a1a1a;
padding: 20px 24px;
margin: 24px 0;
}
.trigger-box h4 {
font-size: 0.9rem;
text-transform: uppercase;
letter-spacing: 1px;
color: #666;
margin-bottom: 8px;
}
.trigger-box p {
font-size: 1.05rem;
color: #333;
margin: 0;
}
.use-cases {
margin: 32px 0;
}
.use-case-item {
display: flex;
align-items: flex-start;
margin-bottom: 16px;
padding: 16px 20px;
background: #fafafa;
border-radius: 8px;
}
.use-case-icon {
font-size: 1.5rem;
margin-right: 16px;
min-width: 32px;
}
.use-case-text {
flex: 1;
}
.use-case-text strong {
display: block;
font-size: 1.05rem;
color: #1a1a1a;
margin-bottom: 4px;
}
.use-case-text span {
font-size: 0.95rem;
color: #666;
}
.code-block {
background: #1a1a1a;
color: #e5e5e5;
padding: 20px 24px;
border-radius: 8px;
font-family: 'SF Mono', Monaco, 'Courier New', monospace;
font-size: 0.9rem;
overflow-x: auto;
margin: 20px 0;
}
.code-block .comment {
color: #6a9955;
}
.code-block .key {
color: #9cdcfe;
}
.code-block .string {
color: #ce9178;
}
.navigation {
position: fixed;
bottom: 30px;
right: 30px;
display: flex;
gap: 12px;
z-index: 100;
}
.nav-btn {
width: 50px;
height: 50px;
border: 2px solid #1a1a1a;
background: #fff;
border-radius: 50%;
cursor: pointer;
font-size: 1.2rem;
display: flex;
align-items: center;
justify-content: center;
transition: all 0.2s;
}
.nav-btn:hover {
background: #1a1a1a;
color: #fff;
}
.nav-btn:disabled {
opacity: 0.3;
cursor: not-allowed;
}
.progress {
position: fixed;
top: 0;
left: 0;
height: 4px;
background: #1a1a1a;
transition: width 0.3s;
}
.slide-counter {
position: fixed;
bottom: 40px;
left: 40px;
font-size: 0.9rem;
color: #999;
}
.toc-list {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 16px;
margin-top: 32px;
}
.toc-item {
display: flex;
align-items: center;
padding: 16px 20px;
background: #f8f9fa;
border-radius: 8px;
cursor: pointer;
transition: all 0.2s;
}
.toc-item:hover {
background: #eee;
}
.toc-number {
width: 28px;
height: 28px;
background: #1a1a1a;
color: #fff;
border-radius: 50%;
text-align: center;
line-height: 28px;
font-size: 0.85rem;
margin-right: 12px;
font-weight: 600;
}
.toc-name {
font-family: 'SF Mono', Monaco, 'Courier New', monospace;
font-size: 1rem;
color: #1a1a1a;
}
.lifecycle-diagram {
background: #f8f9fa;
padding: 32px;
border-radius: 8px;
margin: 24px 0;
}
.lifecycle-step {
display: flex;
align-items: center;
margin-bottom: 16px;
}
.lifecycle-arrow {
width: 24px;
text-align: center;
color: #999;
margin-right: 16px;
}
.lifecycle-label {
font-family: 'SF Mono', Monaco, 'Courier New', monospace;
padding: 8px 16px;
background: #fff;
border: 1px solid #ddd;
border-radius: 4px;
font-size: 0.95rem;
}
.lifecycle-label.highlight {
background: #1a1a1a;
color: #fff;
border-color: #1a1a1a;
}
.sound-demo {
display: inline-flex;
align-items: center;
gap: 8px;
padding: 8px 16px;
background: #f0f0f0;
border-radius: 20px;
font-size: 0.9rem;
color: #666;
margin-top: 16px;
}
.can-block {
display: inline-block;
padding: 4px 12px;
background: #d4edda;
color: #155724;
border-radius: 4px;
font-size: 0.85rem;
margin-left: 12px;
}
.cannot-block {
display: inline-block;
padding: 4px 12px;
background: #f8d7da;
color: #721c24;
border-radius: 4px;
font-size: 0.85rem;
margin-left: 12px;
}
.info-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 24px;
margin: 24px 0;
}
.info-card {
background: #f8f9fa;
padding: 24px;
border-radius: 8px;
}
.info-card h4 {
font-size: 0.85rem;
text-transform: uppercase;
letter-spacing: 1px;
color: #666;
margin-bottom: 12px;
}
.keyboard-hint {
position: fixed;
bottom: 40px;
left: 50%;
transform: translateX(-50%);
font-size: 0.85rem;
color: #999;
}
.keyboard-hint kbd {
background: #f0f0f0;
padding: 4px 8px;
border-radius: 4px;
border: 1px solid #ddd;
font-family: inherit;
}
.intro-subtitle {
font-size: 1.3rem;
color: #666;
margin-bottom: 40px;
}
.feature-list {
list-style: none;
margin: 24px 0;
}
.feature-list li {
padding: 12px 0;
border-bottom: 1px solid #eee;
font-size: 1.05rem;
}
.feature-list li:last-child {
border-bottom: none;
}
.matcher-values {
margin: 16px 0;
}
.matcher-tag {
display: inline-block;
padding: 4px 10px;
background: #e9ecef;
border-radius: 4px;
font-family: 'SF Mono', Monaco, 'Courier New', monospace;
font-size: 0.85rem;
margin: 4px 4px 4px 0;
color: #495057;
}
.how-to-trigger {
background: #e8f5e9;
border-left: 4px solid #4caf50;
padding: 20px 24px;
margin: 16px 0 24px 0;
}
.how-to-trigger h4 {
font-size: 0.9rem;
text-transform: uppercase;
letter-spacing: 1px;
color: #2e7d32;
margin-bottom: 8px;
}
.how-to-trigger p {
font-size: 1.05rem;
color: #1b5e20;
margin: 0;
}
.how-to-trigger code {
background: rgba(0,0,0,0.08);
padding: 2px 6px;
border-radius: 4px;
font-family: 'SF Mono', Monaco, 'Courier New', monospace;
font-size: 0.95rem;
}
.trigger-example {
margin-top: 12px;
padding: 12px 16px;
background: rgba(255,255,255,0.7);
border-radius: 6px;
font-family: 'SF Mono', Monaco, 'Courier New', monospace;
font-size: 0.9rem;
color: #333;
}
.header-logo {
position: fixed;
top: 20px;
right: 40px;
width: 140px;
height: 90px;
z-index: 50;
}
.header-logo svg {
width: 100%;
height: 100%;
}
/* Title Slide Styling */
.slide.title-slide.active {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
min-height: 100vh;
text-align: center;
padding: 40px;
}
.title-slide h1 {
font-size: 3.5rem;
font-weight: 700;
margin-bottom: 20px;
border-bottom: none;
padding-bottom: 0;
}
.title-slide .subtitle {
font-size: 1.4rem;
color: #555;
margin-bottom: 50px;
font-weight: 400;
}
.title-logo {
width: 280px;
height: 180px;
margin-bottom: 40px;
}
.title-logo svg {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<div class="progress" id="progress"></div>
<!-- Slide 1: Title -->
<div class="slide active title-slide" data-slide="1">
<div class="title-logo">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 140 90" width="280" height="180">
<style>
.tl-claude-body { animation: tl-bob 0.8s ease-in-out infinite; transform-origin: center bottom; }
.tl-shadow { animation: tl-shadow-pulse 0.8s ease-in-out infinite; }
.tl-mouth { animation: tl-talk 0.3s ease-in-out infinite; transform-origin: center center; }
.tl-left-ear { animation: tl-ear-tilt-left 0.8s ease-in-out infinite; transform-origin: center bottom; }
.tl-right-ear { animation: tl-ear-tilt-right 0.8s ease-in-out infinite; transform-origin: center bottom; }
.tl-wave-1 { animation: tl-wave-expand 0.8s ease-out infinite; transform-origin: left center; }
.tl-wave-2 { animation: tl-wave-expand 0.8s ease-out infinite 0.2s; transform-origin: left center; }
.tl-wave-3 { animation: tl-wave-expand 0.8s ease-out infinite 0.4s; transform-origin: left center; }
.tl-note-1 { animation: tl-float-note-1 1.5s ease-out infinite; }
.tl-note-2 { animation: tl-float-note-2 1.5s ease-out infinite 0.3s; }
.tl-note-3 { animation: tl-float-note-3 1.5s ease-out infinite 0.6s; }
@keyframes tl-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-3px); } }
@keyframes tl-shadow-pulse { 0%, 100% { transform: scaleX(1); opacity: 0.25; } 50% { transform: scaleX(0.9); opacity: 0.2; } }
@keyframes tl-talk { 0%, 100% { transform: scaleY(1); } 50% { transform: scaleY(0.5); } }
@keyframes tl-ear-tilt-left { 0%, 100% { transform: rotate(0deg); } 50% { transform: rotate(-5deg); } }
@keyframes tl-ear-tilt-right { 0%, 100% { transform: rotate(0deg); } 50% { transform: rotate(5deg); } }
@keyframes tl-wave-expand { 0% { opacity: 0.8; transform: scaleX(0.3) scaleY(0.8); } 100% { opacity: 0; transform: scaleX(1.2) scaleY(1); } }
@keyframes tl-float-note-1 { 0% { opacity: 1; transform: translate(0, 0) rotate(0deg); } 100% { opacity: 0; transform: translate(15px, -25px) rotate(15deg); } }
@keyframes tl-float-note-2 { 0% { opacity: 1; transform: translate(0, 0) rotate(0deg); } 100% { opacity: 0; transform: translate(20px, -30px) rotate(-10deg); } }
@keyframes tl-float-note-3 { 0% { opacity: 1; transform: translate(0, 0) rotate(0deg); } 100% { opacity: 0; transform: translate(10px, -35px) rotate(20deg); } }
</style>
<ellipse class="tl-shadow" cx="50" cy="82" rx="22" ry="5" fill="#000"/>
<g class="tl-wave-1"><path d="M 92 44 Q 100 44, 100 52 Q 100 60, 92 60" fill="none" stroke="#E07C4C" stroke-width="3" stroke-linecap="round"/></g>
<g class="tl-wave-2"><path d="M 96 38 Q 108 38, 108 52 Q 108 66, 96 66" fill="none" stroke="#E07C4C" stroke-width="3" stroke-linecap="round"/></g>
<g class="tl-wave-3"><path d="M 100 32 Q 116 32, 116 52 Q 116 72, 100 72" fill="none" stroke="#E07C4C" stroke-width="3" stroke-linecap="round"/></g>
<g class="tl-note-1"><ellipse cx="108" cy="28" rx="4" ry="3" fill="#E07C4C" transform="rotate(-20, 108, 28)"/><rect x="111" y="12" width="2" height="16" fill="#E07C4C"/><path d="M 113 12 Q 118 14, 118 18 Q 118 22, 113 20" fill="#E07C4C"/></g>
<g class="tl-note-2"><ellipse cx="122" cy="22" rx="4" ry="3" fill="#E07C4C" transform="rotate(-20, 122, 22)"/><rect x="125" y="6" width="2" height="16" fill="#E07C4C"/></g>
<g class="tl-note-3"><ellipse cx="115" cy="42" rx="3" ry="2.5" fill="#E07C4C" transform="rotate(-20, 115, 42)"/><ellipse cx="125" cy="40" rx="3" ry="2.5" fill="#E07C4C" transform="rotate(-20, 125, 40)"/><rect x="117" y="26" width="2" height="16" fill="#E07C4C"/><rect x="127" y="24" width="2" height="16" fill="#E07C4C"/><rect x="117" y="26" width="12" height="2" fill="#E07C4C"/></g>
<g class="tl-claude-body">
<rect class="tl-left-ear" x="22" y="10" width="8" height="14" fill="#E07C4C"/>
<rect class="tl-right-ear" x="70" y="10" width="8" height="14" fill="#E07C4C"/>
<rect x="18" y="24" width="64" height="4" fill="#E07C4C"/>
<rect x="14" y="28" width="72" height="32" fill="#E07C4C"/>
<rect x="30" y="34" width="8" height="10" fill="#000000"/>
<rect x="62" y="34" width="8" height="10" fill="#000000"/>
<rect class="tl-mouth" x="44" y="50" width="12" height="6" fill="#000000"/>
<rect x="2" y="40" width="12" height="8" fill="#E07C4C"/>
<rect x="86" y="40" width="12" height="8" fill="#E07C4C"/>
<rect x="24" y="60" width="12" height="14" fill="#E07C4C"/>
<rect x="64" y="60" width="12" height="14" fill="#E07C4C"/>
</g>
</svg>
</div>
<h1>Claude Code Hooks</h1>
<p class="subtitle">Explaining Claude Code Hooks and Subagent Hooks</p>
<p style="margin-top: 60px; font-size: 0.95rem; color: #888;">As of Claude Code v2.1.107 | April 15, 2026</p>
</div>
<!-- Slide 2: Introduction -->
<div class="slide" data-slide="2">
<h1>What You'll Learn</h1>
<div class="trigger-box">
<h4>Why Hooks Matter</h4>
<p>Hooks are one of the most powerful features introduced in Claude Code โ they let you run custom code at specific moments in Claude's workflow.</p>
</div>
<h3>In This Video</h3>
<div class="use-cases">
<div class="use-case-item">
<span class="use-case-icon">๐ข</span>
<div class="use-case-text">
<strong>27 Hooks Explained</strong>
<span>Claude Code currently supports 27 hooks (as of v2.1.107)</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">๐ฏ</span>
<div class="use-case-text">
<strong>When Each Hook Triggers</strong>
<span>Learn the exact moment each hook fires in Claude's workflow</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">๐ก</span>
<div class="use-case-text">
<strong>Practical Use Cases</strong>
<span>Real-world examples of what you can build with each hook</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">๐</span>
<div class="use-case-text">
<strong>Voice Notifications Demo</strong>
<span>This repo integrates all 27 hooks with audio feedback</span>
</div>
</div>
</div>
<h3>What Hooks Enable</h3>
<ul class="feature-list">
<li>๐ค Automate repetitive tasks (auto-format code, run tests)</li>
<li>๐ก๏ธ Add safety guardrails (block dangerous commands)</li>
<li>๐ Get audio/visual feedback while Claude works</li>
<li>๐ Inject context dynamically based on what Claude is doing</li>
</ul>
</div>
<!-- Slide 3: Table of Contents -->
<div class="slide" data-slide="3">
<h1>The 27 Hooks</h1>
<p style="margin-top: -30px; margin-bottom: 24px; font-size: 1rem; color: #666;">Claude Code v2.1.107 | April 15, 2026 โ More hooks may be added in future versions.</p>
<div class="toc-list">
<div class="toc-item" onclick="goToSlide(5)">
<span class="toc-number">1</span>
<span class="toc-name">SessionStart</span>
</div>
<div class="toc-item" onclick="goToSlide(6)">
<span class="toc-number">2</span>
<span class="toc-name">UserPromptSubmit</span>
</div>
<div class="toc-item" onclick="goToSlide(7)">
<span class="toc-number">3</span>
<span class="toc-name">PreToolUse</span>
</div>
<div class="toc-item" onclick="goToSlide(8)">
<span class="toc-number">4</span>
<span class="toc-name">PostToolUse</span>
</div>
<div class="toc-item" onclick="goToSlide(9)">
<span class="toc-number">5</span>
<span class="toc-name">PostToolUseFailure</span>
</div>
<div class="toc-item" onclick="goToSlide(10)">
<span class="toc-number">6</span>
<span class="toc-name">PermissionRequest</span>
</div>
<div class="toc-item" onclick="goToSlide(11)">
<span class="toc-number">7</span>
<span class="toc-name">Notification</span>
</div>
<div class="toc-item" onclick="goToSlide(12)">
<span class="toc-number">8</span>
<span class="toc-name">SubagentStart</span>
</div>
<div class="toc-item" onclick="goToSlide(13)">
<span class="toc-number">9</span>
<span class="toc-name">SubagentStop</span>
</div>
<div class="toc-item" onclick="goToSlide(14)">
<span class="toc-number">10</span>
<span class="toc-name">Stop</span>
</div>
<div class="toc-item" onclick="goToSlide(15)">
<span class="toc-number">11</span>
<span class="toc-name">PreCompact</span>
</div>
<div class="toc-item" onclick="goToSlide(16)">
<span class="toc-number">12</span>
<span class="toc-name">PostCompact</span>
</div>
<div class="toc-item" onclick="goToSlide(17)">
<span class="toc-number">13</span>
<span class="toc-name">SessionEnd</span>
</div>
<div class="toc-item" onclick="goToSlide(18)">
<span class="toc-number">14</span>
<span class="toc-name">Setup</span>
</div>
<div class="toc-item" onclick="goToSlide(19)">
<span class="toc-number">15</span>
<span class="toc-name">TeammateIdle</span>
</div>
<div class="toc-item" onclick="goToSlide(20)">
<span class="toc-number">16</span>
<span class="toc-name">TaskCompleted</span>
</div>
<div class="toc-item" onclick="goToSlide(21)">
<span class="toc-number">17</span>
<span class="toc-name">TaskCreated</span>
</div>
<div class="toc-item" onclick="goToSlide(22)">
<span class="toc-number">18</span>
<span class="toc-name">ConfigChange</span>
</div>
<div class="toc-item" onclick="goToSlide(23)">
<span class="toc-number">19</span>
<span class="toc-name">WorktreeCreate</span>
</div>
<div class="toc-item" onclick="goToSlide(24)">
<span class="toc-number">20</span>
<span class="toc-name">WorktreeRemove</span>
</div>
<div class="toc-item" onclick="goToSlide(25)">
<span class="toc-number">21</span>
<span class="toc-name">InstructionsLoaded</span>
</div>
<div class="toc-item" onclick="goToSlide(26)">
<span class="toc-number">22</span>
<span class="toc-name">Elicitation</span>
</div>
<div class="toc-item" onclick="goToSlide(27)">
<span class="toc-number">23</span>
<span class="toc-name">ElicitationResult</span>
</div>
<div class="toc-item" onclick="goToSlide(28)">
<span class="toc-number">24</span>
<span class="toc-name">StopFailure</span>
</div>
<div class="toc-item" onclick="goToSlide(29)">
<span class="toc-number">25</span>
<span class="toc-name">CwdChanged</span>
</div>
<div class="toc-item" onclick="goToSlide(30)">
<span class="toc-number">26</span>
<span class="toc-name">FileChanged</span>
</div>
<div class="toc-item" onclick="goToSlide(31)">
<span class="toc-number">27</span>
<span class="toc-name">PermissionDenied</span>
</div>
</div>
</div>
<!-- Slide 4: Lifecycle Overview -->
<div class="slide" data-slide="4">
<h1>Hook Execution Flow</h1>
<p>Hooks fire at specific points in Claude's workflow. Here's the execution order:</p>
<div class="lifecycle-diagram">
<div style="margin-bottom: 12px; padding: 12px 16px; background: #e8f4f8; border-left: 4px solid #17a2b8; border-radius: 4px;">
<strong style="font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; color: #0c5460;">Separate trigger โ <code>claude --init</code> / <code>--maintenance</code></strong>
<div style="margin-top: 8px;">
<span class="matcher-tag">Setup</span>
</div>
</div>
<div class="lifecycle-step">
<span class="lifecycle-arrow">โ</span>
<span class="lifecycle-label highlight">SessionStart</span>
<span style="margin-left: 16px; color: #666;">Session begins or resumes</span>
</div>
<div class="lifecycle-step">
<span class="lifecycle-arrow">โ</span>
<span class="lifecycle-label highlight">UserPromptSubmit</span>
<span style="margin-left: 16px; color: #666;">User sends a message</span>
</div>
<div class="lifecycle-step">
<span class="lifecycle-arrow">โ</span>
<span class="lifecycle-label">PreToolUse</span>
<span style="margin-left: 16px; color: #666;">Before each tool runs</span>
</div>
<div class="lifecycle-step">
<span class="lifecycle-arrow">โ</span>
<span class="lifecycle-label">PermissionRequest</span>
<span style="margin-left: 16px; color: #666;">If permission needed</span>
</div>
<div class="lifecycle-step">
<span class="lifecycle-arrow">โ</span>
<span class="lifecycle-label">PostToolUse / PostToolUseFailure</span>
<span style="margin-left: 16px; color: #666;">After tool completes</span>
</div>
<div class="lifecycle-step">
<span class="lifecycle-arrow">โ</span>
<span class="lifecycle-label">SubagentStart โ SubagentStop</span>
<span style="margin-left: 16px; color: #666;">If subagent spawned</span>
</div>
<div class="lifecycle-step">
<span class="lifecycle-arrow">โ</span>
<span class="lifecycle-label highlight">Stop</span>
<span style="margin-left: 16px; color: #666;">Claude finishes responding</span>
</div>
<div class="lifecycle-step">
<span class="lifecycle-arrow">โ</span>
<span class="lifecycle-label">PreCompact</span>
<span style="margin-left: 16px; color: #666;">If context needs compaction</span>
</div>
<div class="lifecycle-step">
<span class="lifecycle-arrow">โ</span>
<span class="lifecycle-label">PostCompact</span>
<span style="margin-left: 16px; color: #666;">After compaction completes</span>
</div>
<div class="lifecycle-step">
<span class="lifecycle-arrow">โ</span>
<span class="lifecycle-label highlight">SessionEnd</span>
<span style="margin-left: 16px; color: #666;">Session terminates</span>
</div>
<div style="margin-top: 16px; padding: 12px 16px; background: #fff3cd; border-left: 4px solid #ffc107; border-radius: 4px;">
<strong style="font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; color: #856404;">Async โ Fire at any time during session</strong>
<div style="margin-top: 8px;">
<span class="matcher-tag">Notification</span>
<span class="matcher-tag">TeammateIdle</span>
<span class="matcher-tag">TaskCompleted</span>
<span class="matcher-tag">TaskCreated</span>
<span class="matcher-tag">ConfigChange</span>
<span class="matcher-tag">WorktreeCreate</span>
<span class="matcher-tag">WorktreeRemove</span>
<span class="matcher-tag">InstructionsLoaded</span>
<span class="matcher-tag">Elicitation</span>
<span class="matcher-tag">ElicitationResult</span>
<span class="matcher-tag">StopFailure</span>
<span class="matcher-tag">PermissionDenied</span>
</div>
</div>
</div>
<p style="margin-top: 24px;"><strong>Note:</strong> Setup fires separately via <code>--init</code>/<code>--maintenance</code> CLI flags. Notification, TeammateIdle, TaskCompleted, TaskCreated, ConfigChange, WorktreeCreate, WorktreeRemove, InstructionsLoaded, Elicitation, ElicitationResult, StopFailure, CwdChanged, FileChanged, and PermissionDenied hooks fire asynchronously at any point during the session โ they are not part of the sequential flow above.</p>
</div>
<!-- Slide 5: SessionStart -->
<div class="slide" data-slide="5">
<div class="hook-title">
<span class="hook-number">1</span>
<span class="hook-name">SessionStart</span>
<span class="cannot-block">Cannot Block</span>
</div>
<div class="trigger-box">
<h4>When It Triggers</h4>
<p>When you start Claude Code or resume an existing session. This is the <strong>first hook</strong> to fire.</p>
</div>
<div class="how-to-trigger">
<h4>How to Trigger</h4>
<p>Run Claude Code from your terminal to start a new session:</p>
<div class="trigger-example">$ claude</div>
<p style="margin-top: 12px;">Or resume an existing session:</p>
<div class="trigger-example">$ claude --resume</div>
</div>
<div class="matcher-values">
<strong>Trigger Sources:</strong>
<span class="matcher-tag">startup</span>
<span class="matcher-tag">resume</span>
<span class="matcher-tag">clear</span>
<span class="matcher-tag">compact</span>
</div>
<div class="info-grid" style="margin: 16px 0;">
<div class="info-card">
<h4>Input Fields</h4>
<p><code>model</code> โ Model identifier (e.g., <code>claude-sonnet-4-6</code>)</p>
<p><code>agent_type</code> โ Agent name if started with <code>--agent</code> flag (since v2.1.43)</p>
</div>
</div>
<h3>Use Cases</h3>
<div class="use-cases">
<div class="use-case-item">
<span class="use-case-icon">๐</span>
<div class="use-case-text">
<strong>Voice: "Claude session started"</strong>
<span>Audio notification when Claude Code is ready</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">๐</span>
<div class="use-case-text">
<strong>Load Git Status</strong>
<span>Inject current branch, uncommitted changes into Claude's context</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">๐ง</span>
<div class="use-case-text">
<strong>Set Environment Variables</strong>
<span>Configure API keys, paths, or project-specific settings</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">๐</span>
<div class="use-case-text">
<strong>Load Project Memory</strong>
<span>Restore previous context or project-specific instructions</span>
</div>
</div>
</div>
<div class="sound-demo">
๐ Sound: sessionstart.wav โ "Claude session started"
</div>
</div>
<!-- Slide 6: UserPromptSubmit -->
<div class="slide" data-slide="6">
<div class="hook-title">
<span class="hook-number">2</span>
<span class="hook-name">UserPromptSubmit</span>
<span class="can-block">Can Block</span>
</div>
<div class="trigger-box">
<h4>When It Triggers</h4>
<p>When you submit a prompt, <strong>before</strong> Claude processes it. Fires once per user message.</p>
</div>
<div class="how-to-trigger">
<h4>How to Trigger</h4>
<p>Type any prompt and press <code>Enter</code>:</p>
<div class="trigger-example">> What is the weather in Karachi?</div>
<p style="margin-top: 12px;">Or any other message to Claude:</p>
<div class="trigger-example">> Help me fix the bug in my code</div>
</div>
<h3>Use Cases</h3>
<div class="use-cases">
<div class="use-case-item">
<span class="use-case-icon">๐</span>
<div class="use-case-text">
<strong>Voice: "Processing your request"</strong>
<span>Audio confirmation that your prompt was received</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">โ
</span>
<div class="use-case-text">
<strong>Validate Prompt Content</strong>
<span>Block harmful, spam, or unauthorized requests</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">๐</span>
<div class="use-case-text">
<strong>Inject Dynamic Context</strong>
<span>Add relevant docs, git history, or environment info based on keywords</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">๐</span>
<div class="use-case-text">
<strong>Usage Tracking</strong>
<span>Log prompts for analytics or rate limiting</span>
</div>
</div>
</div>
<div class="sound-demo">
๐ Sound: userpromptsubmit.wav โ "Processing your request"
</div>
</div>
<!-- Slide 7: PreToolUse -->
<div class="slide" data-slide="7">
<div class="hook-title">
<span class="hook-number">3</span>
<span class="hook-name">PreToolUse</span>
<span class="can-block">Can Block</span>
</div>
<div class="trigger-box">
<h4>When It Triggers</h4>
<p>After Claude creates tool parameters but <strong>before</strong> the tool executes. Fires for every tool call (Bash, Edit, Write, Read, etc.).</p>
</div>
<div class="how-to-trigger">
<h4>How to Trigger</h4>
<p>Ask Claude to do anything that requires a tool:</p>
<div class="trigger-example">> Read the README.md file</div>
<div class="trigger-example" style="margin-top: 8px;">> Run npm test</div>
<div class="trigger-example" style="margin-top: 8px;">> Create a commit with message "fix bug"</div>
</div>
<h3>Use Cases</h3>
<div class="use-cases">
<div class="use-case-item">
<span class="use-case-icon">๐</span>
<div class="use-case-text">
<strong>Voice: "Ding" (tool starting)</strong>
<span>Short audio cue when Claude is about to use a tool</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">๐ก๏ธ</span>
<div class="use-case-text">
<strong>Block Dangerous Commands</strong>
<span>Prevent <code>rm -rf /</code>, <code>DROP TABLE</code>, or other destructive operations</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">โ๏ธ</span>
<div class="use-case-text">
<strong>Modify Tool Inputs</strong>
<span>Sanitize paths, normalize commands, add default flags</span>
</div>
</div>
<div class="use-case-item">
<span class="use-case-icon">๐ต</span>
<div class="use-case-text">
<strong>Special Sound for Git Commits</strong>
<span>Play different sound when <code>git commit</code> is detected</span>
</div>
</div>
</div>
<div class="sound-demo">
๐ Sound: pretooluse.wav โ "Ding" | pretooluse-git-committing.wav for commits
</div>
</div>
<!-- Slide 8: PostToolUse -->
<div class="slide" data-slide="8">
<div class="hook-title">
<span class="hook-number">4</span>
<span class="hook-name">PostToolUse</span>
<span class="cannot-block">Cannot Block</span>
</div>
<div class="trigger-box">
<h4>When It Triggers</h4>
<p>Immediately <strong>after</strong> a tool completes successfully. Does NOT fire if the tool fails.</p>
</div>