diff --git a/icons.config.js b/icons.config.js
index b9a19daf..d8a197c0 100644
--- a/icons.config.js
+++ b/icons.config.js
@@ -34,6 +34,7 @@ const config = {
     "abc",
     "function",
     "cloud_done",
+    "counter_4",
     "backup",
     "cloud_download",
     "cloud_off",
@@ -149,6 +150,7 @@ const config = {
     counter_1: "f784",
     counter_2: "f783",
     counter_3: "f782",
+    counter_4: "f781",
     ios_share: "e6b8",
     light_mode: "e518",
     upload_file: "e9fc",
diff --git a/src/lib/assets/tests/actions/capitalize.yml b/src/lib/assets/tests/actions/capitalize.yml
new file mode 100644
index 00000000..84a2a1e4
--- /dev/null
+++ b/src/lib/assets/tests/actions/capitalize.yml
@@ -0,0 +1,36 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[c, p]]
+        output: [CAPITALIZE]
+      - input: [[a, b]]
+        output: [a, b, c]
+    idle: true
+
+  - press: [c, p]
+    keys: [c, p]
+  - release: [c, p]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/actions/capitalize_no_space.yml b/src/lib/assets/tests/actions/capitalize_no_space.yml
new file mode 100644
index 00000000..e3558c81
--- /dev/null
+++ b/src/lib/assets/tests/actions/capitalize_no_space.yml
@@ -0,0 +1,35 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[c, p]]
+        output: [CAPITALIZE, KSC_00]
+      - input: [[a, b]]
+        output: [JOIN, a, b, c, KSC_00]
+    idle: true
+
+  - press: [c, p]
+    keys: [c, p]
+  - release: [c, p]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/actions/dup/dup.yml b/src/lib/assets/tests/actions/dup/dup.yml
new file mode 100644
index 00000000..1721f47e
--- /dev/null
+++ b/src/lib/assets/tests/actions/dup/dup.yml
@@ -0,0 +1,33 @@
+test:
+  - remap:
+      A1:
+        - [d, DUP]
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [d]
+    keys: [a]
+  - release: [d]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [c]
+    keys: [c]
+  - release: [c]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [d]
+    keys: [c]
+  - release: [d]
+  - step: 16
+    keys: []
+    idle: true
diff --git a/src/lib/assets/tests/actions/dup/modifiers.yml b/src/lib/assets/tests/actions/dup/modifiers.yml
new file mode 100644
index 00000000..66c49fdb
--- /dev/null
+++ b/src/lib/assets/tests/actions/dup/modifiers.yml
@@ -0,0 +1,24 @@
+test:
+  - remap:
+      A1:
+        - [d, DUP]
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+    modifiers:
+      lshift: true
+  - press: [d]
+    keys: [a]
+    modifiers:
+      lshift: true
+  - release: [LEFT_SHIFT, d]
+  - step: 16
+    keys: []
+    idle: true
diff --git a/src/lib/assets/tests/actions/dup/release_keys.yml b/src/lib/assets/tests/actions/dup/release_keys.yml
new file mode 100644
index 00000000..e41a652a
--- /dev/null
+++ b/src/lib/assets/tests/actions/dup/release_keys.yml
@@ -0,0 +1,25 @@
+test:
+  - remap:
+      A1:
+        - [d, DUP]
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - press: [d]
+    keys: []
+  - keys: [a]
+  - release: [a, d]
+  - step: 16
+    keys: []
+    idle: true
diff --git a/src/lib/assets/tests/actions/quickfix/general.yml b/src/lib/assets/tests/actions/quickfix/general.yml
new file mode 100644
index 00000000..dc718939
--- /dev/null
+++ b/src/lib/assets/tests/actions/quickfix/general.yml
@@ -0,0 +1,81 @@
+test:
+  - clearChords: true
+    remap:
+      A1:
+        - [q, QUICKFIX]
+    addChords:
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+      - input: [[t, s]]
+        output: [s, e, t]
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, t]
+    keys: [s, t]
+  - release: [s, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [s]
+  - keys: [e]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [q]
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - release: [q]
+    step: 16
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/actions/quickfix/prepended.yml b/src/lib/assets/tests/actions/quickfix/prepended.yml
new file mode 100644
index 00000000..1268f443
--- /dev/null
+++ b/src/lib/assets/tests/actions/quickfix/prepended.yml
@@ -0,0 +1,83 @@
+test:
+  - clearChords: true
+    remap:
+      A1:
+        - [q, QUICKFIX]
+    addChords:
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+      - input: [[t, s]]
+        output: [s, e, t]
+    settings:
+      chording:
+        concatenation style: prepended
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, t]
+    keys: [s, t]
+  - release: [s, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [SPACE]
+  - keys: [s]
+  - keys: [e]
+  - keys: [t]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [q]
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - release: [q]
+    step: 16
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [SPACE]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/actions/quickfix/smart.yml b/src/lib/assets/tests/actions/quickfix/smart.yml
new file mode 100644
index 00000000..bb2683c1
--- /dev/null
+++ b/src/lib/assets/tests/actions/quickfix/smart.yml
@@ -0,0 +1,65 @@
+test:
+  - clearChords: true
+    remap:
+      A1:
+        - [q, QUICKFIX]
+    addChords:
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+      - input: [[t, s]]
+        output: [s, e, t]
+    settings:
+      chording:
+        detection method: smart
+    idle: true
+
+  - press: [s, e, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, t]
+  - release: [s, t]
+  - step: 16
+    keys: [s]
+  - keys: [e]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [q]
+  - release: [q]
+    step: 16
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+    idle: true
+
+  - press: [s, e, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/actions/quickfix/smart_prepended.yml b/src/lib/assets/tests/actions/quickfix/smart_prepended.yml
new file mode 100644
index 00000000..c2afad52
--- /dev/null
+++ b/src/lib/assets/tests/actions/quickfix/smart_prepended.yml
@@ -0,0 +1,65 @@
+test:
+  - clearChords: true
+    remap:
+      A1:
+        - [q, QUICKFIX]
+    addChords:
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+      - input: [[t, s]]
+        output: [s, e, t]
+    settings:
+      chording:
+        detection method: smart
+        concatenation style: prepended
+    idle: true
+
+  - press: [s, e, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, t]
+  - release: [s, t]
+  - step: 16
+    keys: [SPACE]
+  - keys: [s]
+  - keys: [e]
+  - keys: [t]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [q]
+  - release: [q]
+    step: 16
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+    idle: true
+
+  - press: [s, e, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: [SPACE]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/arpeggiates/capitalize.yml b/src/lib/assets/tests/arpeggiates/capitalize.yml
new file mode 100644
index 00000000..f0975a43
--- /dev/null
+++ b/src/lib/assets/tests/arpeggiates/capitalize.yml
@@ -0,0 +1,79 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c]
+    settings:
+      arpeggiates:
+        enable: 1
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+    modifiers:
+      lshift: true
+  - release: [LEFT_SHIFT]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - press: [x]
+    keys: [x]
+  - release: [x]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+    modifiers:
+      lshift: true
+  - release: [LEFT_SHIFT]
+  - step: 16
+    keys: []
+    idle: true
diff --git a/src/lib/assets/tests/arpeggiates/capitalize_no_space.yml b/src/lib/assets/tests/arpeggiates/capitalize_no_space.yml
new file mode 100644
index 00000000..58f3f6fe
--- /dev/null
+++ b/src/lib/assets/tests/arpeggiates/capitalize_no_space.yml
@@ -0,0 +1,74 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c, KSC_00]
+    settings:
+      arpeggiates:
+        enable: 1
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+    modifiers:
+      lshift: true
+  - release: [LEFT_SHIFT]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - press: [x]
+    keys: [x]
+  - release: [x]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+    modifiers:
+      lshift: true
+  - release: [LEFT_SHIFT]
+  - step: 16
+    keys: []
+    idle: true
diff --git a/src/lib/assets/tests/arpeggiates/custom_period.yml b/src/lib/assets/tests/arpeggiates/custom_period.yml
new file mode 100644
index 00000000..559f56b2
--- /dev/null
+++ b/src/lib/assets/tests/arpeggiates/custom_period.yml
@@ -0,0 +1,65 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c]
+      - input: [[ARPEGGIATE, .]]
+        output: [JOIN, ., CAPITALIZE, JOIN]
+    settings:
+      arpeggiates:
+        enable: 1
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [.]
+    keys: [.]
+  - release: [.]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - press: [.]
+    keys: [.]
+  - release: [.]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [.]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/arpeggiates/prepended/capitalize.yml b/src/lib/assets/tests/arpeggiates/prepended/capitalize.yml
new file mode 100644
index 00000000..01d53c21
--- /dev/null
+++ b/src/lib/assets/tests/arpeggiates/prepended/capitalize.yml
@@ -0,0 +1,80 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c]
+    settings:
+      arpeggiates:
+        enable: 1
+      chording:
+        concatenation style: prepended
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [SPACE]
+  - keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+    modifiers:
+      lshift: true
+  - release: [LEFT_SHIFT]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [SPACE]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - press: [x]
+    keys: [x]
+  - release: [x]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+    modifiers:
+      lshift: true
+  - release: [LEFT_SHIFT]
+  - step: 16
+    keys: []
+    idle: true
diff --git a/src/lib/assets/tests/arpeggiates/prepended/capitalize_no_space.yml b/src/lib/assets/tests/arpeggiates/prepended/capitalize_no_space.yml
new file mode 100644
index 00000000..56e5f219
--- /dev/null
+++ b/src/lib/assets/tests/arpeggiates/prepended/capitalize_no_space.yml
@@ -0,0 +1,76 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c, KSC_00]
+    settings:
+      arpeggiates:
+        enable: 1
+      chording:
+        concatenation style: prepended
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+    modifiers:
+      lshift: true
+  - release: [LEFT_SHIFT]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - press: [x]
+    keys: [x]
+  - release: [x]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+    modifiers:
+      lshift: true
+  - release: [LEFT_SHIFT]
+  - step: 16
+    keys: []
+    idle: true
diff --git a/src/lib/assets/tests/arpeggiates/prepended/custom_period.yml b/src/lib/assets/tests/arpeggiates/prepended/custom_period.yml
new file mode 100644
index 00000000..34bb3690
--- /dev/null
+++ b/src/lib/assets/tests/arpeggiates/prepended/custom_period.yml
@@ -0,0 +1,63 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c]
+      - input: [[ARPEGGIATE, .]]
+        output: [JOIN, ., CAPITALIZE, JOIN]
+    settings:
+      arpeggiates:
+        enable: 1
+      chording:
+        concatenation style: prepended
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [.]
+    keys: [.]
+  - release: [.]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - press: [.]
+    keys: [.]
+  - release: [.]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: [.]
+  - keys: []
+    idle: true
+
+  - press: [a, b]
+    keys: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [SPACE]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/arpeggiates/smart/capitalize.yml b/src/lib/assets/tests/arpeggiates/smart/capitalize.yml
new file mode 100644
index 00000000..206eb961
--- /dev/null
+++ b/src/lib/assets/tests/arpeggiates/smart/capitalize.yml
@@ -0,0 +1,55 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c]
+    settings:
+      chording:
+        detection method: smart
+      arpeggiates:
+        enable: 1
+    idle: true
+
+  - press: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+  - release: [LEFT_SHIFT]
+  - step: 16
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - press: [x]
+  - release: [x]
+  - step: 16
+    keys: [x]
+  - keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+  - release: [LEFT_SHIFT]
+  - step: 16
+    modifiers:
+      lshift: true
+  - modifiers: {}
+    idle: true
diff --git a/src/lib/assets/tests/arpeggiates/smart/capitalize_no_space.yml b/src/lib/assets/tests/arpeggiates/smart/capitalize_no_space.yml
new file mode 100644
index 00000000..99568879
--- /dev/null
+++ b/src/lib/assets/tests/arpeggiates/smart/capitalize_no_space.yml
@@ -0,0 +1,51 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c, KSC_00]
+    settings:
+      chording:
+        detection method: smart
+      arpeggiates:
+        enable: 1
+    idle: true
+
+  - press: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+  - release: [LEFT_SHIFT]
+  - step: 16
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - press: [x]
+  - release: [x]
+  - step: 16
+    keys: [x]
+  - keys: []
+    idle: true
+
+  - press: [LEFT_SHIFT]
+  - release: [LEFT_SHIFT]
+  - step: 16
+    modifiers:
+      lshift: true
+  - modifiers: {}
+    idle: true
diff --git a/src/lib/assets/tests/arpeggiates/smart/custom_period.yml b/src/lib/assets/tests/arpeggiates/smart/custom_period.yml
new file mode 100644
index 00000000..c635c97a
--- /dev/null
+++ b/src/lib/assets/tests/arpeggiates/smart/custom_period.yml
@@ -0,0 +1,59 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c]
+      - input: [[ARPEGGIATE, .]]
+        output: [JOIN, ., CAPITALIZE, JOIN]
+    settings:
+      chording:
+        detection method: smart
+      arpeggiates:
+        enable: 1
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [.]
+  - release: [.]
+  - step: 16
+    keys: [.]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - press: [.]
+  - release: [.]
+  - step: 16
+    keys: [BKSP]
+  - keys: [.]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/arpeggiates/smart_prepended/custom_period.yml b/src/lib/assets/tests/arpeggiates/smart_prepended/custom_period.yml
new file mode 100644
index 00000000..daa835ae
--- /dev/null
+++ b/src/lib/assets/tests/arpeggiates/smart_prepended/custom_period.yml
@@ -0,0 +1,51 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c]
+      - input: [[ARPEGGIATE, .]]
+        output: [JOIN, ., CAPITALIZE, JOIN]
+    settings:
+      arpeggiates:
+        enable: 1
+      chording:
+        detection method: smart
+        concatenation style: prepended
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [.]
+  - release: [.]
+  - step: 16
+    keys: [.]
+  - keys: []
+    idle: true
+
+  - press: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: [a]
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
+
+  - press: [.]
+  - release: [.]
+  - step: 16
+    keys: [.]
+  - keys: []
+    idle: true
+
+  - press: [a, b]
+  - release: [a, b]
+  - step: 16
+    keys: [SPACE]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/autocorrect/dup_chord.yml b/src/lib/assets/tests/autocorrect/dup_chord.yml
new file mode 100644
index 00000000..db1efbd2
--- /dev/null
+++ b/src/lib/assets/tests/autocorrect/dup_chord.yml
@@ -0,0 +1,76 @@
+test:
+  - clearChords: true
+    remap:
+      A1:
+        - [d, DUP]
+    addChords:
+      - input: [[h, z]]
+        output: [t, h, e]
+      - input: [[m, o, h, DUP, a, y]]
+        output: [m, o, t, i, v, a, t, i, o, n]
+    settings:
+      chording:
+        detection method: smart
+        concatenation style: prepended
+    idle: true
+
+  - press: [x]
+  - release: [x]
+  - step: 16
+    keys: [x]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [h, z]
+  - release: [h, z]
+  - step: 16
+    keys: [BKSP]
+  - keys: [t]
+  - keys: [h]
+  - keys: [e]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [d]
+  - press: [m, h, a, y]
+  - release: [d, m, h, a, y]
+  - step: 16
+    keys: [e, a, h, m, y]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [d]
+  - press: [m, o, h, a, y]
+  - release: [d, m, o, h, a, y]
+  - step: 16
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [SPACE]
+  - keys: [m]
+  - keys: [o]
+  - keys: [t]
+  - keys: [i]
+  - keys: [v]
+  - keys: [a]
+  - keys: [t]
+  - keys: [i]
+  - keys: [o]
+  - keys: [n]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/autocorrect/smart_prepended/dup_chord.yml b/src/lib/assets/tests/autocorrect/smart_prepended/dup_chord.yml
new file mode 100644
index 00000000..02ce9b12
--- /dev/null
+++ b/src/lib/assets/tests/autocorrect/smart_prepended/dup_chord.yml
@@ -0,0 +1,67 @@
+test:
+  - clearChords: true
+    remap:
+      A1:
+        - [d, DUP]
+    addChords:
+      - input: [[h, z]]
+        output: [t, h, e]
+      - input: [[m, o, h, DUP, a, y]]
+        output: [m, o, t, i, v, a, t, i, o, n]
+    settings:
+      chording:
+        detection method: smart
+        concatenation style: prepended
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [x]
+  - release: [x]
+  - step: 16
+    keys: [x]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [h, z]
+  - release: [h, z]
+  - step: 16
+    keys: [t]
+  - keys: [h]
+  - keys: [e]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [d]
+  - press: [m, h, a, y]
+  - release: [d, m, h, a, y]
+  - step: 16
+    keys: [e, a, h, m, y]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [d]
+  - press: [m, o, h, a, y]
+  - release: [d, m, o, h, a, y]
+  - step: 16
+    keys: [m]
+  - keys: [o]
+  - keys: [t]
+  - keys: [i]
+  - keys: [v]
+  - keys: [a]
+  - keys: [t]
+  - keys: [i]
+  - keys: [o]
+  - keys: [n]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/chording/chord.yml b/src/lib/assets/tests/chording/chord.yml
new file mode 100644
index 00000000..5433584b
--- /dev/null
+++ b/src/lib/assets/tests/chording/chord.yml
@@ -0,0 +1,24 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/chording/chord_nospace.yml b/src/lib/assets/tests/chording/chord_nospace.yml
new file mode 100644
index 00000000..63ac6bb1
--- /dev/null
+++ b/src/lib/assets/tests/chording/chord_nospace.yml
@@ -0,0 +1,23 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[t, s, e]]
+        output: [t, e, s, t, KSC_00]
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/chording/compound.yml b/src/lib/assets/tests/chording/compound.yml
new file mode 100644
index 00000000..f8fe95ee
--- /dev/null
+++ b/src/lib/assets/tests/chording/compound.yml
@@ -0,0 +1,78 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[i, n, g]]
+        output: [t, h, i, n, g]
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+      - input: [[i, n, g], [t, s, e]]
+        output: [t, e, s, t, i, n, g]
+    idle: true
+
+  - press: [i, n, g]
+    keys: [g, i, n]
+  - release: [i, n, g]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [h]
+  - keys: [i]
+  - keys: [n]
+  - keys: [g]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - press: [i, n, g]
+    keys: [g, i, n]
+  - release: [i, n, g]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [i]
+  - keys: [n]
+  - keys: [g]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/chording/dup_input.yml b/src/lib/assets/tests/chording/dup_input.yml
new file mode 100644
index 00000000..f67d85ab
--- /dev/null
+++ b/src/lib/assets/tests/chording/dup_input.yml
@@ -0,0 +1,45 @@
+test:
+  - clearChords: true
+    remap:
+      A1:
+        - [d, DUP]
+    addChords:
+      - input: [[DUP, s, e]]
+        output: [t, e, s, t]
+    settings:
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [s]
+    keys: [s]
+  - release: [s]
+  - step: 16
+    keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s]
+    keys: [s]
+  - press: [d]
+    keys: []
+  - keys: [s]
+  - press: [e]
+    keys: [s, e]
+  - release: [d, e, s]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/chording/min_chord_inputs.yml b/src/lib/assets/tests/chording/min_chord_inputs.yml
new file mode 100644
index 00000000..cb1a8a42
--- /dev/null
+++ b/src/lib/assets/tests/chording/min_chord_inputs.yml
@@ -0,0 +1,27 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[t]]
+        output: [t, e, s, t]
+    idle: true
+
+  - press: [t]
+    keys: [t]
+  - release: [t]
+  - step: 16
+    keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [t]
+    keys: [t]
+  - press: [LEFT_SHIFT]
+    keys: [t]
+    modifiers:
+      lshift: true
+  - release: [LEFT_SHIFT, t]
+  - step: 16
+    keys: []
+    idle: true
diff --git a/src/lib/assets/tests/chording/space_input.yml b/src/lib/assets/tests/chording/space_input.yml
new file mode 100644
index 00000000..5d8a36f2
--- /dev/null
+++ b/src/lib/assets/tests/chording/space_input.yml
@@ -0,0 +1,58 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[SPACE, s]]
+        output: [a, b]
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+    idle: true
+
+  - press: [SPACE]
+    keys: [SPACE]
+  - release: [SPACE]
+  - step: 16
+    keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [SPACE]
+    keys: [SPACE]
+  - press: [s]
+    keys: [SPACE, s]
+  - release: [SPACE, s]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s]
+    keys: [s]
+  - press: [SPACE]
+    keys: [s, SPACE]
+  - release: [SPACE, s]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: [b]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/debounce/basic.yml b/src/lib/assets/tests/debounce/basic.yml
new file mode 100644
index 00000000..ebe83a58
--- /dev/null
+++ b/src/lib/assets/tests/debounce/basic.yml
@@ -0,0 +1,28 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[t, h, e]]
+        output: [t, h, e]
+    settings:
+      keyboard:
+        debounce press: 4
+        debounce release: 5
+    idle: true
+
+  - press: [t]
+    keys: [t]
+  - release: [t]
+  - press: [a]
+    keys: [t, a]
+  - release: [a]
+  - keys: [a]
+  - press: [t]
+  - keys: []
+  - step: 1
+  - step: 1
+  - keys: [t]
+  - release: [t]
+  - step: 1
+  - step: 1
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/fnshift.yml b/src/lib/assets/tests/fnshift.yml
new file mode 100644
index 00000000..0cb05346
--- /dev/null
+++ b/src/lib/assets/tests/fnshift.yml
@@ -0,0 +1,34 @@
+test:
+  - clearChords: true
+    remap:
+      A1:
+        - [l, KM_3_L]
+        - [r, KM_3_R]
+        - [a, a]
+      A2:
+        - [l, KM_3_L]
+        - [r, KM_3_R]
+        - [a, b]
+      A3:
+        - [l, KM_3_L]
+        - [r, KM_3_R]
+        - [a, c]
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [l]
+  - press: [a]
+    keys: [c]
+  - release: [l, a]
+  - step: 16
+    keys: []
+    idle: true
diff --git a/src/lib/assets/tests/hyperspace/camel_case.yml b/src/lib/assets/tests/hyperspace/camel_case.yml
new file mode 100644
index 00000000..7bcd24c0
--- /dev/null
+++ b/src/lib/assets/tests/hyperspace/camel_case.yml
@@ -0,0 +1,82 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[h, y]]
+        output: [CAPTURE, CAPITALIZE, CAPTURE]
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [h, y]
+    keys: [h, y]
+  - release: [h, y]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+    modifiers:
+      lshift: true
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/hyperspace/kebab_case.yml b/src/lib/assets/tests/hyperspace/kebab_case.yml
new file mode 100644
index 00000000..dc0d3e89
--- /dev/null
+++ b/src/lib/assets/tests/hyperspace/kebab_case.yml
@@ -0,0 +1,83 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[h, y]]
+        output: [CAPTURE, "-", CAPTURE]
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [h, y]
+    keys: [h, y]
+  - release: [h, y]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: ["-"]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: ["-"]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: ["-"]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/hyperspace/prepended/camel_case.yml b/src/lib/assets/tests/hyperspace/prepended/camel_case.yml
new file mode 100644
index 00000000..2787ce1d
--- /dev/null
+++ b/src/lib/assets/tests/hyperspace/prepended/camel_case.yml
@@ -0,0 +1,85 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[h, y]]
+        output: [CAPTURE, CAPITALIZE, CAPTURE]
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+    settings:
+      chording:
+        concatenation style: prepended
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [h, y]
+    keys: [h, y]
+  - release: [h, y]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+    modifiers:
+      lshift: true
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/hyperspace/prepended/kebab_case.yml b/src/lib/assets/tests/hyperspace/prepended/kebab_case.yml
new file mode 100644
index 00000000..2890b094
--- /dev/null
+++ b/src/lib/assets/tests/hyperspace/prepended/kebab_case.yml
@@ -0,0 +1,85 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[h, y]]
+        output: [CAPTURE, "-", CAPTURE]
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+    settings:
+      chording:
+        concatenation style: prepended
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [h, y]
+    keys: [h, y]
+  - release: [h, y]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: ["-"]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: ["-"]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/modifiers/capitalize.yml b/src/lib/assets/tests/modifiers/capitalize.yml
new file mode 100644
index 00000000..94de66a0
--- /dev/null
+++ b/src/lib/assets/tests/modifiers/capitalize.yml
@@ -0,0 +1,28 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, b]]
+        output: [a, b, c]
+    idle: true
+
+  - press: [LEFT_SHIFT]
+    modifiers:
+      lshift: true
+  - press: [LEFT_SHIFT, a, b]
+    modifiers:
+      lshift: true
+    keys: [a, b]
+  - release: [LEFT_SHIFT, a, b]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+    modifiers:
+      lshift: true
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/prepended/compound.yml b/src/lib/assets/tests/prepended/compound.yml
new file mode 100644
index 00000000..046fc93e
--- /dev/null
+++ b/src/lib/assets/tests/prepended/compound.yml
@@ -0,0 +1,80 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[i, n, g]]
+        output: [t, h, i, n, g]
+      - input: [[t, s, e]]
+        output: [t, e, s, t]
+      - input: [[i, n, g], [t, s, e]]
+        output: [t, e, s, t, i, n, g]
+    settings:
+      chording:
+        concatenation style: prepended
+    idle: true
+
+  - press: [i, n, g]
+    keys: [g, i, n]
+  - release: [i, n, g]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [h]
+  - keys: [i]
+  - keys: [n]
+  - keys: [g]
+  - keys: []
+    idle: true
+
+  - press: [s, e, t]
+    keys: [e, s, t]
+  - release: [s, e, t]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [SPACE]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: []
+    idle: true
+
+  - press: [i, n, g]
+    keys: [g, i, n]
+  - release: [i, n, g]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [SPACE]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [i]
+  - keys: [n]
+  - keys: [g]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/smart_detection/general.yml b/src/lib/assets/tests/smart_detection/general.yml
new file mode 100644
index 00000000..e732c29a
--- /dev/null
+++ b/src/lib/assets/tests/smart_detection/general.yml
@@ -0,0 +1,45 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[h, z]]
+        output: [t, h, e]
+    settings:
+      chording:
+        detection method: smart
+        concatenation style: prepended
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [x]
+  - release: [x]
+  - step: 16
+    keys: [x]
+  - keys: []
+    idle: true
+
+  - press: [h, z]
+  - release: [h, z]
+  - step: 16
+    keys: [t]
+  - keys: [h]
+  - keys: [e]
+  - keys: []
+    idle: true
+
+  - press: [x]
+  - release: [x]
+  - step: 16
+    keys: [x]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [x]
+  - step: 120
+    keys: [x]
+  - release: [x]
+    keys: []
+    idle: true
diff --git a/src/lib/assets/tests/smart_detection/newline.yml b/src/lib/assets/tests/smart_detection/newline.yml
new file mode 100644
index 00000000..ea6fbb51
--- /dev/null
+++ b/src/lib/assets/tests/smart_detection/newline.yml
@@ -0,0 +1,49 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[h, z]]
+        output: [t, h, e]
+    settings:
+      chording:
+        detection method: smart
+    idle: true
+
+  - press: [ENTER]
+  - release: [ENTER]
+  - step: 16
+    keys: [ENTER]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [h, z]
+  - release: [h, z]
+  - step: 16
+    keys: [t]
+  - keys: [h]
+  - keys: [e]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - press: [ENTER]
+  - release: [ENTER]
+  - step: 16
+    keys: [ENTER]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [h, z]
+  - release: [h, z]
+  - step: 16
+    keys: [t]
+  - keys: [h]
+  - keys: [e]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/tap_dance/arpeggiate_override.yml b/src/lib/assets/tests/tap_dance/arpeggiate_override.yml
new file mode 100644
index 00000000..2b7d67a2
--- /dev/null
+++ b/src/lib/assets/tests/tap_dance/arpeggiate_override.yml
@@ -0,0 +1,109 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[t, s]]
+        output: [t, e, s, t]
+      - input: [[ARPEGGIATE, .]]
+        output: [JOIN, ., CAPITALIZE, JOIN]
+      - input: [[., .]]
+        output: [JOIN, ., KSC_00]
+      - input: [[., ., .]]
+        output: [JOIN, ., ., ., CAPITALIZE, JOIN]
+    settings:
+      chording:
+        tap dance tolerance: 175
+      autocorrect:
+        maximum attempts: 0
+      arpeggiates:
+        enable: 1
+    idle: true
+
+  - press: [t, s]
+    keys: [s, t]
+  - release: [t, s]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+    keys: [.]
+  - release: [.]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [.]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+    keys: [.]
+  - release: [.]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [.]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+    keys: [.]
+  - release: [.]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [.]
+  - keys: []
+  - keys: [.]
+  - keys: []
+  - keys: [.]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [t, s]
+    keys: [s, t]
+  - release: [t, s]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+    modifiers:
+      lshift: true
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/tap_dance/arpeggiate_period.yml b/src/lib/assets/tests/tap_dance/arpeggiate_period.yml
new file mode 100644
index 00000000..b1506a05
--- /dev/null
+++ b/src/lib/assets/tests/tap_dance/arpeggiate_period.yml
@@ -0,0 +1,102 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[t, s]]
+        output: [t, e, s, t]
+      - input: [[., .]]
+        output: [JOIN, ., CAPITALIZE, JOIN]
+      - input: [[., ., .]]
+        output: [JOIN, ., ., ., CAPITALIZE, JOIN]
+    settings:
+      chording:
+        tap dance tolerance: 175
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [t, s]
+    keys: [s, t]
+  - release: [t, s]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+    keys: [.]
+  - release: [.]
+  - step: 16
+    keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+    keys: [.]
+  - release: [.]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [.]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+    keys: [.]
+  - release: [.]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [.]
+  - keys: []
+  - keys: [.]
+  - keys: []
+  - keys: [.]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [t, s]
+    keys: [s, t]
+  - release: [t, s]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [t]
+    modifiers:
+      lshift: true
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/tap_dance/general.yml b/src/lib/assets/tests/tap_dance/general.yml
new file mode 100644
index 00000000..022a03f7
--- /dev/null
+++ b/src/lib/assets/tests/tap_dance/general.yml
@@ -0,0 +1,103 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, a]]
+        output: [b, c]
+      - input: [[a, a, a, a, a]]
+        output: [d, e]
+    settings:
+      chording:
+        tap dance tolerance: 175
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+    idle: true
+
+  - step: 180
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: []
+  - keys: [a]
+  - keys: []
+  - keys: [a]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a]
+    keys: [a]
+  - release: [a]
+  - step: 16
+    keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [d]
+  - keys: [e]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/tap_dance/smart/arpeggiate_override.yml b/src/lib/assets/tests/tap_dance/smart/arpeggiate_override.yml
new file mode 100644
index 00000000..3858be5b
--- /dev/null
+++ b/src/lib/assets/tests/tap_dance/smart/arpeggiate_override.yml
@@ -0,0 +1,88 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[t, s]]
+        output: [t, e, s, t]
+      - input: [[ARPEGGIATE, .]]
+        output: [JOIN, ., CAPITALIZE, JOIN]
+      - input: [[., .]]
+        output: [JOIN, ., KSC_00]
+      - input: [[., ., .]]
+        output: [JOIN, ., ., ., CAPITALIZE, JOIN]
+    settings:
+      chording:
+        tap dance tolerance: 175
+        detection method: smart
+      autocorrect:
+        maximum attempts: 0
+      arpeggiates:
+        enable: 1
+    idle: true
+
+  - press: [t, s]
+  - release: [t, s]
+  - step: 16
+    keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+  - release: [.]
+  - step: 16
+    keys: [BKSP]
+  - keys: [.]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+  - release: [.]
+  - step: 16
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [.]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+  - release: [.]
+  - step: 16
+    keys: [BKSP]
+  - keys: [.]
+  - keys: []
+  - keys: [.]
+  - keys: []
+  - keys: [.]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [t, s]
+  - release: [t, s]
+  - step: 16
+    keys: [t]
+    modifiers:
+      lshift: true
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/tap_dance/smart/arpeggiate_period.yml b/src/lib/assets/tests/tap_dance/smart/arpeggiate_period.yml
new file mode 100644
index 00000000..a10028d0
--- /dev/null
+++ b/src/lib/assets/tests/tap_dance/smart/arpeggiate_period.yml
@@ -0,0 +1,85 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[t, s]]
+        output: [t, e, s, t]
+      - input: [[., .]]
+        output: [JOIN, ., CAPITALIZE, JOIN]
+      - input: [[., ., .]]
+        output: [JOIN, ., ., ., CAPITALIZE, JOIN]
+    settings:
+      chording:
+        tap dance tolerance: 175
+        detection method: smart
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [t, s]
+  - release: [t, s]
+  - step: 16
+    keys: [t]
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+  - release: [.]
+  - step: 16
+    keys: [.]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+  - release: [.]
+  - step: 16
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [.]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [.]
+  - release: [.]
+  - step: 16
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [.]
+  - keys: []
+  - keys: [.]
+  - keys: []
+  - keys: [.]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [t, s]
+  - release: [t, s]
+  - step: 16
+    keys: [t]
+    modifiers:
+      lshift: true
+  - keys: [e]
+  - keys: [s]
+  - keys: [t]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/assets/tests/tap_dance/smart/general.yml b/src/lib/assets/tests/tap_dance/smart/general.yml
new file mode 100644
index 00000000..d61a952d
--- /dev/null
+++ b/src/lib/assets/tests/tap_dance/smart/general.yml
@@ -0,0 +1,92 @@
+test:
+  - clearChords: true
+    addChords:
+      - input: [[a, a]]
+        output: [b, c]
+      - input: [[a, a, a, a, a]]
+        output: [d, e]
+    settings:
+      chording:
+        tap dance tolerance: 175
+        detection method: smart
+      autocorrect:
+        maximum attempts: 0
+    idle: true
+
+  - press: [a]
+  - release: [a]
+  - step: 16
+    keys: [a]
+  - keys: []
+    idle: true
+
+  - step: 180
+    idle: true
+
+  - press: [a]
+  - release: [a]
+  - step: 16
+    keys: [a]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a]
+  - release: [a]
+  - step: 16
+    keys: [BKSP]
+  - keys: [b]
+  - keys: [c]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a]
+  - release: [a]
+  - step: 16
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [a]
+  - keys: []
+  - keys: [a]
+  - keys: []
+  - keys: [a]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a]
+  - release: [a]
+  - step: 16
+    keys: [a]
+  - keys: []
+    idle: true
+
+  - step: 16
+    idle: true
+
+  - press: [a]
+  - release: [a]
+  - step: 16
+    keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: []
+  - keys: [BKSP]
+  - keys: [d]
+  - keys: [e]
+  - keys: [SPACE]
+  - keys: []
+    idle: true
diff --git a/src/lib/components/layout/KeyText.svelte b/src/lib/components/layout/KeyText.svelte
index 39f02fef..b55e0e27 100644
--- a/src/lib/components/layout/KeyText.svelte
+++ b/src/lib/components/layout/KeyText.svelte
@@ -69,7 +69,7 @@
     style:rotate="{rotate}deg"
     use:action={{ title: tooltip }}
   >
-    {#if code !== 0}
+    {#if code !== 0 && code != 1023}
       {dynamicMapping || icon || display || id || `0x${code.toString(16)}`}
     {/if}
     {#if !isApplied}
diff --git a/src/lib/components/layout/KeyboardKey.svelte b/src/lib/components/layout/KeyboardKey.svelte
index 84e1a7bb..f6778fe2 100644
--- a/src/lib/components/layout/KeyboardKey.svelte
+++ b/src/lib/components/layout/KeyboardKey.svelte
@@ -103,6 +103,7 @@
         [-rotY, -rotX],
         [-rotX, -rotY],
         [rotX, rotY],
+        [rotY, rotX],
       ]}
     />
   {/if}
diff --git a/src/lib/serial/device.ts b/src/lib/serial/device.ts
index 28d606c7..2c40c505 100644
--- a/src/lib/serial/device.ts
+++ b/src/lib/serial/device.ts
@@ -178,13 +178,16 @@ export class CharaDevice {
       this.version = await this.send(1, ["VERSION"]).then(
         ([version]) => version,
       );
-      if (semverGte(this.version, "2.2.0-beta.4")) {
-        this.profileCount = 3;
-      }
       const [company, device, chipset] = await this.send(3, ["ID"]);
       this.company = company as typeof this.company;
       this.device = device as typeof this.device;
       this.chipset = chipset as typeof this.chipset;
+      if (semverGte(this.version, "2.2.0-beta.4")) {
+        this.profileCount = this.chipset === "M0" ? 2 : 3;
+      }
+      if (semverGte(this.version, "2.2.0-beta.20")) {
+        this.layerCount = this.chipset === "M0" ? 3 : 4;
+      }
       this.keyCount = KEY_COUNTS[this.device];
     } catch (e) {
       console.error(e);
diff --git a/src/routes/recipes/+page.svelte b/src/routes/recipes/+page.svelte
new file mode 100644
index 00000000..318ab6c4
--- /dev/null
+++ b/src/routes/recipes/+page.svelte
@@ -0,0 +1,28 @@
+<script lang="ts">
+  import Recipe from "./Recipe.svelte";
+
+  const tests = import.meta.glob("$lib/assets/tests/**/*.yml");
+</script>
+
+<h1>Recipes</h1>
+
+<p>These are example uses, taken directly from our E2E testing library.</p>
+
+<div class="recipes">
+  {#each Object.entries(tests) as [path, resolver]}
+    {#await resolver() then module}
+      <section>
+        <Recipe test={module.default} />
+      </section>
+    {/await}
+  {/each}
+</div>
+
+<style lang="scss">
+  .recipes {
+    display: flex;
+    flex-direction: column;
+    gap: 2rem;
+    overflow-y: auto;
+  }
+</style>
diff --git a/src/routes/recipes/Recipe.svelte b/src/routes/recipes/Recipe.svelte
new file mode 100644
index 00000000..339353a8
--- /dev/null
+++ b/src/routes/recipes/Recipe.svelte
@@ -0,0 +1,148 @@
+<script lang="ts">
+  import CharRecorder from "$lib/charrecorder/CharRecorder.svelte";
+  import type { Replay } from "$lib/charrecorder/core/types";
+  import type { E2eTest } from "./test-types";
+
+  let { test }: { test: E2eTest } = $props();
+
+  const replace = new Map<string, string>([
+    ["SPACE", "Space"],
+    ["ENTER", "Enter"],
+    ["BKSP", "Backspace"],
+    ["e", "KeyE"],
+    ["t", "KeyT"],
+  ]);
+
+  const replaceOut = new Map<string, string>([
+    ["SPACE", " "],
+    ["ENTER", "\n"],
+    ["BKSP", "Backspace"],
+  ]);
+
+  let timescale = $state(10);
+  let idleHold = $state(500);
+  let replayDelay = $state(1000);
+
+  let replay: Replay = $derived.by(() => {
+    const replay: Replay = {
+      start: 0,
+      finish: 0,
+      keys: [],
+    };
+    let timeIndex = 0;
+    let held = new Map<string, any>();
+    for (const it of test.test) {
+      if (it.keys) {
+        for (const key of it.keys) {
+          if (held.has(key)) continue;
+          held.set(key, [
+            replaceOut.get(key) ?? key,
+            replace.get(key) ?? key,
+            timeIndex,
+            0,
+          ]);
+          replay.keys.push(held.get(key));
+        }
+        for (const [key, value] of held) {
+          if (!it.keys.includes(key)) {
+            value[3] = timeIndex - value[2];
+            held.delete(key);
+          }
+        }
+      }
+      timeIndex += timescale * (it.step ?? 1);
+      if (it.idle) {
+        timeIndex += idleHold;
+      }
+    }
+
+    replay.finish = timeIndex;
+    return replay;
+  });
+
+  let graph = $derived.by(() => {
+    const rows: string[][] = [[]];
+    for (const it of test.test) {
+      if (it.keys?.includes("BKSP")) {
+        if (rows.at(-1)!.at(-1) === " ") {
+          rows.at(-1)!.pop();
+        } else {
+          rows.push(Array.from({ length: rows.at(-1)!.length - 1 }, () => " "));
+        }
+      } else {
+        for (const key of it.keys ?? []) {
+          if (key === "SPACE") {
+            rows.at(-1)!.push("␣");
+          } else if (key === "ENTER") {
+            rows.at(-1)!.push("↵");
+          } else {
+            rows.at(-1)!.push(key);
+          }
+        }
+      }
+    }
+    return rows;
+  });
+</script>
+
+<section>
+  <div class="replay">
+    <CharRecorder
+      {replay}
+      cursor={true}
+      ondone={() => setTimeout(() => (replay = { ...replay }), replayDelay)}
+    />
+  </div>
+
+  <details>
+    <summary>Breakdown</summary>
+    <div class="graph">
+      {#each graph as row, i}
+        {#each row as char, j}
+          {#if char !== " "}
+            <div
+              class:deleted={(graph[i + 1]?.findIndex((it) => it !== " ") ??
+                Infinity) <= j}
+              style:grid-row={i + 1}
+              style:grid-column={j + 1}
+            >
+              {char}
+            </div>
+          {/if}
+        {/each}
+      {/each}
+    </div>
+  </details>
+</section>
+
+<style lang="scss">
+  section {
+    font-family: monospace;
+  }
+
+  summary {
+    cursor: pointer;
+    margin-top: 0.5rem;
+    font-weight: bold;
+    user-select: none;
+  }
+
+  .replay {
+    background: #f0f0f0;
+    padding: 0.6rem;
+    font-weight: bold;
+    font-size: 1.2rem;
+  }
+
+  .graph {
+    display: grid;
+    align-items: center;
+    justify-items: center;
+    width: min-content;
+  }
+
+  .deleted {
+    opacity: 0.6;
+    text-decoration: line-through;
+  }
+</style>
diff --git a/src/routes/recipes/test-types.ts b/src/routes/recipes/test-types.ts
new file mode 100644
index 00000000..cb866617
--- /dev/null
+++ b/src/routes/recipes/test-types.ts
@@ -0,0 +1,20 @@
+export interface E2eAddChord {
+  input: string[][];
+  output: string[];
+}
+
+export interface E2eTestItem {
+  keys?: string[];
+  modifiers?: Record<string, boolean>;
+  press?: string[];
+  release?: string[];
+  step?: number;
+  idle?: boolean;
+  clearChords?: boolean;
+  addChords?: E2eAddChord[];
+  settings: Record<string, Record<string, string | number>>;
+}
+
+export interface E2eTest {
+  test: E2eTestItem[];
+}