Fix: update docs about snd

docs/engine/audio_modulation.md

@@ -9,8 +9,8 @@ All time values are in **steps**, just like `attack`, `decay`, and `release`. At
 Oscillate a parameter between two values.
 
 ```forth
-saw s 200 4000 4 lfo lpf .         ( sweep filter over 4 steps )
-saw s 0.3 0.7 2 tlfo pan .         ( triangle pan over 2 steps )
+saw snd 200 4000 4 lfo lpf .         ( sweep filter over 4 steps )
+saw snd 0.3 0.7 2 tlfo pan .         ( triangle pan over 2 steps )
 ```
 
 | Word | Shape | Output |
@@ -27,8 +27,8 @@ Stack effect: `( min max period -- str )`
 Transition from one value to another over a duration.
 
 ```forth
-saw s 0 1 0.5 slide gain .         ( fade in over half a step )
-saw s 200 4000 8 sslide lpf .      ( smooth sweep over 8 steps )
+saw snd 0 1 0.5 slide gain .         ( fade in over half a step )
+saw snd 200 4000 8 sslide lpf .      ( smooth sweep over 8 steps )
 ```
 
 | Word | Curve | Output |
@@ -44,9 +44,9 @@ Stack effect: `( start end dur -- str )`
 Randomize a parameter within a range, retriggering at a given period.
 
 ```forth
-saw s 200 4000 2 jit lpf .         ( new random value every 2 steps )
-saw s 200 4000 2 sjit lpf .        ( same but smoothly interpolated )
-saw s 200 4000 1 drunk lpf .       ( random walk, each step )
+saw snd 200 4000 2 jit lpf .         ( new random value every 2 steps )
+saw snd 200 4000 2 sjit lpf .        ( same but smoothly interpolated )
+saw snd 200 4000 1 drunk lpf .       ( random walk, each step )
 ```
 
 | Word | Behavior | Output |
@@ -62,7 +62,7 @@ Stack effect: `( min max period -- str )`
 Define a multi-segment envelope for a parameter. Provide a start value, then pairs of target and duration.
 
 ```forth
-saw s 0 1 0.1 0.7 0.5 0 8 env gain .
+saw snd 0 1 0.1 0.7 0.5 0 8 env gain .
 ```
 
 This creates: start at `0`, rise to `1` in `0.1` steps, drop to `0.7` in `0.5` steps, fall to `0` in `8` steps.
@@ -74,7 +74,7 @@ Stack effect: `( start target1 dur1 [target2 dur2 ...] -- str )`
 Modulation words return strings, so they compose naturally with the rest of the language. Use them anywhere a parameter value is expected.
 
 ```forth
-saw s
+saw snd
   200 4000 4 lfo lpf
   0.3 0.7 8 tlfo pan
   0 1 0.1 0.7 0.5 0 8 env gain

docs/engine/intro.md

@@ -7,7 +7,7 @@ Cagire includes an audio engine called `Doux`. No external software is needed to
 When you write a Forth script and emit (`.`), the script produces a command string. This command travels to the audio engine, which interprets it and creates a voice. The voice plays until its envelope finishes or until it is killed by another voice. You can also spawn infinite voices, but you will need to manage their lifecycle manually, otherwise they will never stop.
 
 ```forth
-saw s c4 note 0.8 gain 0.3 verb .
+saw snd c4 note 0.8 gain 0.3 verb .
 ```
 
 ## Voices
@@ -24,7 +24,7 @@ Press `r` on the Engine page to reset the peak counter.
 After selecting a sound source, you add parameters. Each parameter word takes a value from the stack and stores it in the command register:
 
 ```forth
-saw s
+saw snd
   c4 note        ;; pitch
   0.5 gain       ;; volume
   0.1 attack     ;; envelope attack time
@@ -42,14 +42,14 @@ Use `all` to apply parameters globally. Global parameters persist across all pat
 ```forth
 ;; Prospective: set params before emitting
 500 lpf 0.5 verb all
-kick s 60 note .      ;; gets lpf=500 verb=0.5
-hat s 70 note .       ;; gets lpf=500 verb=0.5
+kick snd 60 note .      ;; gets lpf=500 verb=0.5
+hat snd 70 note .       ;; gets lpf=500 verb=0.5
 ```
 
 ```forth
 ;; Retroactive: patch already-emitted sounds
-kick s 60 note .
-hat s 70 note .
+kick snd 60 note .
+hat snd 70 note .
 500 lpf 0.5 verb all  ;; both outputs get lpf and verb
 ```
 
@@ -57,17 +57,17 @@ Per-sound parameters override global ones:
 
 ```forth
 500 lpf all
-kick s 2000 lpf .     ;; lpf=2000 (per-sound wins)
-hat s .               ;; lpf=500  (global)
+kick snd 2000 lpf .     ;; lpf=2000 (per-sound wins)
+hat snd .               ;; lpf=500  (global)
 ```
 
 Use `noall` to clear global parameters:
 
 ```forth
 500 lpf all
-kick s .              ;; gets lpf
+kick snd .              ;; gets lpf
 noall
-hat s .               ;; no lpf
+hat snd .               ;; no lpf
 ```
 
 ## Controlling Existing Voices

docs/engine/settings.md

@@ -79,16 +79,16 @@ Top-level files are named by their filename (without extension). Files inside fo
 Reference samples by name:
 
 ```forth
-kick s .              ;; play kick.wav
-snare s 0.5 gain .    ;; play snare at half volume
+kick snd .              ;; play kick.wav
+snare snd 0.5 gain .    ;; play snare at half volume
 ```
 
 For samples in folders, use `n` to select which one:
 
 ```forth
-hats s 0 n .          ;; play hats/closed.wav (index 0)
-hats s 1 n .          ;; play hats/open.wav (index 1)
-hats s 2 n .          ;; play hats/pedal.wav (index 2)
+hats snd 0 n .          ;; play hats/closed.wav (index 0)
+hats snd 1 n .          ;; play hats/open.wav (index 1)
+hats snd 2 n .          ;; play hats/pedal.wav (index 2)
 ```
 
 The index wraps around. If you have 3 samples and request `5 n`, you get index 2 (because 5 % 3 = 2).
@@ -106,9 +106,9 @@ samples/
 ```
 
 ```forth
-kick s .              ;; plays kick.wav
-kick s a bank .       ;; plays kick_a.wav
-kick s hard bank .    ;; plays kick_hard.wav
+kick snd .              ;; plays kick.wav
+kick snd a bank .       ;; plays kick_a.wav
+kick snd hard bank .    ;; plays kick_hard.wav
 ```
 
 If the banked version does not exist, it falls back to the default.

docs/engine/sources.md

@@ -1,6 +1,6 @@
 # Sources
 
-The audio engine provides a variety of sound sources. Use the `sound` word (or `s` for short) to select one.
+The audio engine provides a variety of sound sources. Use the `sound` word (or `snd` for short) to select one.
 
 ## Basic Oscillators
 

docs/engine/words.md

@@ -5,7 +5,7 @@ Word definitions let you abstract sound design into reusable units.
 ## Defining Sounds
 
 ```forth
-: lead "saw" s 0.3 gain 1200 lpf ;
+: lead "saw" snd 0.3 gain 1200 lpf ;
 ```
 
 Use it with different notes:
@@ -20,8 +20,8 @@ e4 note lead .
 Include the emit to make the word play directly:
 
 ```forth
-: kk "kick" s 1 decay . ;
-: hh "hihat" s 0.5 gain 0.5 decay . ;
+: kk "kick" snd 1 decay . ;
+: hh "hihat" snd 0.5 gain 0.5 decay . ;
 ```
 
 Steps become simple:
@@ -39,5 +39,5 @@ kk
 ```
 
 ```forth
-c4 note saw s dark wet .
+c4 note saw snd dark wet .
 ```