Allow "spellcasting" as ability option in check/save enrichers

Adaptation of Zhell's PR in light of the new `spellcastingAbility`
property on actors and support for `spellcasting` as an ability
option in rolling methods.

Original PR: #4883

Author: arbron

module/config.mjs

@@ -4850,6 +4850,8 @@ Object.defineProperty(DND5E, "enrichmentLookup", {
       addFullKeys("skills");
       addFullKeys("spellSchools");
       Object.entries(DND5E.vehicleTypes).forEach(([k, label]) => _enrichmentLookup.tools[k] = { label });
+
+      _enrichmentLookup.abilities.spellcasting = { label: _loc("DND5E.Spellcasting") };
     }
     return _enrichmentLookup;
   },

module/enrichers.mjs

@@ -763,7 +763,7 @@ function createSaveRequestButtons(dataset) {
 async function rollCheckSave(config, event) {
   const { type, ability, skill, tool, dc } = config;
   const options = { event };
-  if ( ability in CONFIG.DND5E.abilities ) options.ability = ability;
+  if ( (ability in CONFIG.DND5E.abilities) || (ability === "spellcasting") ) options.ability = ability;
   if ( dc ) options.target = Number(dc);
 
   const actors = getSceneTargets().map(t => t.actor);
@@ -1444,8 +1444,8 @@ function createPassiveTag(label, dataset) {
  * @returns {string}
  */
 export function createRollLabel(config) {
-  const { label: ability, abbreviation } = CONFIG.DND5E.abilities[config.ability] ?? {};
-  const skill = CONFIG.DND5E.skills[config.skill]?.label;
+  const { label: ability, abbreviation } = CONFIG.DND5E.enrichmentLookup.abilities[config.ability] ?? {};
+  const skill = CONFIG.DND5E.enrichmentLookup.skills[config.skill]?.label;
   const toolUUID = CONFIG.DND5E.enrichmentLookup.tools[config.tool];
   const tool = toolUUID?.id ? Trait.getBaseItem(toolUUID.id, { indexOnly: true })?.name : toolUUID?.label ?? null;
   const longSuffix = config.format === "long" ? "Long" : "Short";

module/tooltips.mjs

@@ -152,16 +152,19 @@ export default class Tooltips5e {
     const abilityConfig = CONFIG.DND5E.abilities[ability ?? skillConfig.ability];
 
     let label;
+    const isSpellcasting = ability === "spellcasting";
+    const abilityLabel = isSpellcasting ? _loc("DND5E.Spellcasting") : abilityConfig.label;
     if ( skillConfig ) {
-      label = _loc("DND5E.SkillPassiveSpecificHint", { skill: skillConfig.label, ability: abilityConfig.label });
+      label = _loc("DND5E.SkillPassiveSpecificHint", { skill: skillConfig.label, ability: abilityLabel });
     } else {
       // If no skill was provided, we're doing a passive ability check.
       // This isn't technically a thing in the rules, but we can support it anyway if people want to use it.
-      label = _loc("DND5E.SkillPassiveHint", { skill: abilityConfig.label });
+      label = _loc("DND5E.SkillPassiveHint", { skill: abilityLabel });
     }
 
     this._onHoverPassive({ label }, actor => {
       const systemData = actor.system;
+      if ( isSpellcasting ) ability = actor.spellcastingAbility;
       let passive;
       if ( skill && (!ability || (ability === skillConfig.ability)) ) {
         // Default passive skill check