V1.23.0: every subclass, 43 species, the Artificer, and the road to level 20

- All 123 official subclasses (2014 books and the 2024 Player's Handbook), each
  with its book and features up to level 20; one file per class
- The builder has a subclass step after the class: pick one, let a die suggest
  one, or decide later; its gifts arrive at the class's choice level
- 2024 updates (Wild Heart, Warrior of the Elements) offer a one-click switch
- The Road Ahead: a level 1-20 timeline on every sheet and in the builder
- 33 new species (2024 Aasimar and Goliath, Monsters of the Multiverse) with
  chosen +2/+1 or +1/+1/+1 bonuses; species roll is now a d8 by family
- The Artificer: class, half-caster slots from level 1, features, Flash of Genius
- Class tables and counters run to level 20; a fifth Boon, Resolve

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

package-lock.json

@@ -1,19 +1,19 @@
 {
   "name": "dnd-campaign-manager",
-  "version": "1.22.0",
+  "version": "1.23.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "dnd-campaign-manager",
-      "version": "1.22.0",
+      "version": "1.23.0",
       "workspaces": [
         "backend",
         "frontend"
       ]
     },
     "backend": {
-      "version": "1.22.0",
+      "version": "1.23.0",
       "dependencies": {
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         "@prisma/client": "^7.10.0",
@@ -33,7 +33,7 @@
       }
     },
     "frontend": {
-      "version": "1.22.0",
+      "version": "1.23.0",
       "dependencies": {
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