significant palette overhaul, w. addition of +3 new palettes; new swatch preview appearance; expanded palette toggle functionality; repaired test suite accordingly

src/apps/dashboard/tests/integrated/test_views.py

@@ -303,7 +303,8 @@ class SetPaletteTest(TestCase):
         response = self.client.get(self.url)
         parsed = lxml.html.fromstring(response.content)
         forms = parsed.cssselect('form[action="/dashboard/set_palette"]')
-        self.assertEqual(len(forms), 1)
+        unlocked = [p for p in response.context["palettes"] if not p["locked"]]
+        self.assertEqual(len(forms), len(unlocked))
 
     def test_active_palette_swatch_has_active_class(self):
         response = self.client.get(self.url)

src/apps/dashboard/views.py

@@ -17,9 +17,17 @@ from apps.lyric.models import PaymentMethod, Token, User, Wallet
 
 
 APPLET_ORDER = ["wallet", "new-note", "my-notes", "username", "palette"]
-UNLOCKED_PALETTES = frozenset(["palette-default"])
+UNLOCKED_PALETTES = frozenset([
+    "palette-default",
+    "palette-monochrome-light",
+    "palette-monochrome-dark",
+    "palette-sepia",
+])
 PALETTES = [
     {"name": "palette-default", "label": "Earthman", "locked": False},
+    {"name": "palette-monochrome-light", "label": "Monochrome (Light)", "locked": False},
+    {"name": "palette-monochrome-dark", "label": "Monochrome (Dark)", "locked": False},
+    {"name": "palette-sepia", "label": "Sepia", "locked": False},
     {"name": "palette-nirvana", "label": "Nirvana", "locked": True},
     {"name": "palette-sheol", "label": "Sheol", "locked": True},
     {"name": "palette-inferno", "label": "Inferno", "locked": True},