Add trained toggle to attack skills (Melee, Brawl, Ranged, Finesse)

Attack skills now have trained/untrained status like regular skills:
- Untrained: difficulty = 20 - stat
- Trained: difficulty = 20 - (stat × 2)

Includes UI toggle button, data model fields, and matching styling.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/active-effect-reference.md

@@ -61,14 +61,23 @@ Each skill has `trained`, `difficulty`, and `critThreshold` properties.
 - `system.skills.melee.critThreshold` - Modify melee crit threshold
 - `system.skills.sneak.critThreshold` - Modify sneak crit threshold
 
-### Attack Crit Thresholds
+### Attack Skills
 
-| Key                                    | Type   | Range | Description                   |
-| -------------------------------------- | ------ | ----- | ----------------------------- |
-| `system.attacks.melee.critThreshold`   | Number | 1-20  | Melee attack crit threshold   |
-| `system.attacks.brawl.critThreshold`   | Number | 1-20  | Brawl attack crit threshold   |
-| `system.attacks.ranged.critThreshold`  | Number | 1-20  | Ranged attack crit threshold  |
-| `system.attacks.finesse.critThreshold` | Number | 1-20  | Finesse attack crit threshold |
+Each attack skill has `trained`, `difficulty`, and `critThreshold` properties.
+
+**Attack Skills:** `melee`, `brawl`, `ranged`, `finesse`
+
+| Key Pattern                             | Type    | Range      | Description                 |
+| --------------------------------------- | ------- | ---------- | --------------------------- |
+| `system.attacks.<attack>.trained`       | Boolean | true/false | Is attack skill trained?    |
+| `system.attacks.<attack>.difficulty`    | Number  | 1-20       | Roll target (derived)       |
+| `system.attacks.<attack>.critThreshold` | Number  | 1-20       | Crit on this roll or higher |
+
+**Examples:**
+
+- `system.attacks.melee.trained` - Train Melee attack skill
+- `system.attacks.ranged.trained` - Train Ranged attack skill
+- `system.attacks.melee.critThreshold` - Modify melee crit threshold
 
 ### Saves
 

module/data/actor/character.mjs

@@ -184,18 +184,26 @@ export default class CharacterData extends VagabondActorBase {
         }),
       }),
 
-      // Attack skills with crit thresholds
+      // Attack skills with trained status and crit thresholds
       attacks: new fields.SchemaField({
         melee: new fields.SchemaField({
+          trained: new fields.BooleanField({ initial: false }),
+          difficulty: new fields.NumberField({ integer: true, initial: 20, min: 1, max: 20 }),
           critThreshold: new fields.NumberField({ integer: true, initial: 20, min: 1, max: 20 }),
         }),
         brawl: new fields.SchemaField({
+          trained: new fields.BooleanField({ initial: false }),
+          difficulty: new fields.NumberField({ integer: true, initial: 20, min: 1, max: 20 }),
           critThreshold: new fields.NumberField({ integer: true, initial: 20, min: 1, max: 20 }),
         }),
         ranged: new fields.SchemaField({
+          trained: new fields.BooleanField({ initial: false }),
+          difficulty: new fields.NumberField({ integer: true, initial: 20, min: 1, max: 20 }),
           critThreshold: new fields.NumberField({ integer: true, initial: 20, min: 1, max: 20 }),
         }),
         finesse: new fields.SchemaField({
+          trained: new fields.BooleanField({ initial: false }),
+          difficulty: new fields.NumberField({ integer: true, initial: 20, min: 1, max: 20 }),
           critThreshold: new fields.NumberField({ integer: true, initial: 20, min: 1, max: 20 }),
         }),
       }),
@@ -652,8 +660,8 @@ export default class CharacterData extends VagabondActorBase {
     // Calculate Skill Difficulties (also clamps skill crit thresholds)
     this._calculateSkillDifficulties();
 
-    // Clamp attack crit thresholds after Active Effects
-    this._clampAttackCritThresholds();
+    // Calculate Attack Difficulties (also clamps attack crit thresholds)
+    this._calculateAttackDifficulties();
   }
 
   /**
@@ -683,13 +691,28 @@ export default class CharacterData extends VagabondActorBase {
   }
 
   /**
-   * Clamp attack crit thresholds after Active Effects are applied.
-   * Schema constraints don't apply to effect-modified data.
+   * Calculate difficulty values for all attack skills.
+   * Untrained: 20 - stat
+   * Trained: 20 - (stat × 2)
+   * Also clamps crit thresholds after Active Effects.
    *
    * @private
    */
-  _clampAttackCritThresholds() {
-    for (const attackData of Object.values(this.attacks)) {
+  _calculateAttackDifficulties() {
+    const attackStats = CONFIG.VAGABOND?.attackTypes || {};
+
+    for (const [attackId, attackData] of Object.entries(this.attacks)) {
+      const attackConfig = attackStats[attackId];
+      if (!attackConfig) continue;
+
+      const statKey = attackConfig.stat;
+      const statValue = this.stats[statKey]?.value || 0;
+      const trained = attackData.trained;
+
+      // Calculate difficulty: 20 - stat (untrained) or 20 - stat×2 (trained)
+      attackData.difficulty = trained ? 20 - statValue * 2 : 20 - statValue;
+
+      // Clamp crit threshold after Active Effects (schema min doesn't apply to effect-modified data)
       attackData.critThreshold = Math.max(1, Math.min(20, attackData.critThreshold));
     }
   }

module/sheets/base-actor-sheet.mjs

@@ -66,6 +66,7 @@ export default class VagabondActorSheet extends HandlebarsApplicationMixin(Actor
       changeTab: VagabondActorSheet.#onChangeTab,
       modifyResource: VagabondActorSheet.#onModifyResource,
       toggleTrained: VagabondActorSheet.#onToggleTrained,
+      toggleAttackTrained: VagabondActorSheet.#onToggleAttackTrained,
       removeStatus: VagabondActorSheet.#onRemoveStatus,
     },
     // Drag-drop configuration - use Foundry's built-in system
@@ -827,6 +828,21 @@ export default class VagabondActorSheet extends HandlebarsApplicationMixin(Actor
     await this.actor.update({ [`system.skills.${skillId}.trained`]: !currentValue });
   }
 
+  /**
+   * Handle attack skill trained toggle.
+   * @param {PointerEvent} event
+   * @param {HTMLElement} target
+   */
+  static async #onToggleAttackTrained(event, target) {
+    event.preventDefault();
+    event.stopPropagation(); // Prevent triggering the row's rollAttack action
+    const attackId = target.dataset.attack;
+    if (!attackId) return;
+
+    const currentValue = this.actor.system.attacks[attackId]?.trained ?? false;
+    await this.actor.update({ [`system.attacks.${attackId}.trained`]: !currentValue });
+  }
+
   /**
    * Handle status removal action.
    * @param {PointerEvent} event

module/sheets/character-sheet.mjs

@@ -219,29 +219,23 @@ export default class VagabondCharacterSheet extends VagabondActorSheet {
    */
   _prepareAttackSkills() {
     const system = this.actor.system;
-
-    const attackConfig = {
-      melee: { label: "VAGABOND.AttackMelee", stat: "might" },
-      brawl: { label: "VAGABOND.AttackBrawl", stat: "might" },
-      ranged: { label: "VAGABOND.AttackRanged", stat: "awareness" },
-      finesse: { label: "VAGABOND.AttackFinesse", stat: "dexterity" },
-    };
+    const attackConfig = CONFIG.VAGABOND?.attackTypes || {};
 
     const attacks = {};
 
     for (const [key, config] of Object.entries(attackConfig)) {
-      const statValue = system.stats[config.stat]?.value || 0;
-      // Attack difficulty is 20 - stat (always trained)
-      const difficulty = 20 - statValue * 2;
+      const attackData = system.attacks[key];
+      if (!attackData) continue;
 
       attacks[key] = {
         id: key,
         label: config.label,
         stat: config.stat,
         statAbbr: this._getStatAbbr(config.stat),
-        difficulty,
-        critThreshold: system.attacks[key]?.critThreshold || 20,
-        hasCritBonus: (system.attacks[key]?.critThreshold || 20) < 20,
+        trained: attackData.trained,
+        difficulty: attackData.difficulty,
+        critThreshold: attackData.critThreshold || 20,
+        hasCritBonus: (attackData.critThreshold || 20) < 20,
       };
     }
 

styles/scss/sheets/_actor-sheet.scss

@@ -733,38 +733,91 @@
       display: flex;
       align-items: center;
       gap: $spacing-2;
-      padding: $spacing-2 $spacing-3;
+      padding: $spacing-1 $spacing-2;
       background-color: var(--color-bg-input);
       border: 1px solid var(--color-border)-light;
       border-radius: $radius-md;
-      cursor: pointer;
       transition: all $transition-fast;
 
       &:hover {
         background-color: var(--color-bg-secondary);
+        border-color: var(--color-border);
+      }
+
+      &.trained {
+        background-color: rgba(45, 90, 39, 0.1);
+        border-color: rgba(45, 90, 39, 0.3);
+
+        .attack-trained-toggle {
+          color: var(--color-success);
+          border-color: var(--color-success);
+        }
+      }
+
+      .attack-trained-toggle {
+        @include flex-center;
+        width: 20px;
+        height: 20px;
+        padding: 0;
+        background: transparent;
+        border: 1px solid var(--color-border);
+        border-radius: $radius-sm;
+        color: var(--color-text-muted);
+        cursor: pointer;
+        transition: all $transition-fast;
+
+        &:hover {
           border-color: var(--color-accent-primary);
+          color: var(--color-accent-primary);
+        }
+
+        i {
+          font-size: 10px;
+        }
       }
 
       .attack-name {
-        font-weight: $font-weight-semibold;
+        font-weight: $font-weight-medium;
         color: var(--color-text-primary);
+        flex: 1;
       }
 
       .attack-stat {
         font-size: $font-size-xs;
         color: var(--color-text-secondary);
-        margin-right: auto;
       }
 
       .attack-difficulty {
         font-family: $font-family-header;
         font-weight: $font-weight-bold;
         color: var(--color-text-primary);
+        min-width: 24px;
+        text-align: center;
       }
 
       .attack-crit {
         font-size: $font-size-xs;
         color: var(--color-warning);
+
+        i {
+          margin-right: 2px;
+        }
+      }
+
+      .attack-roll-btn {
+        @include flex-center;
+        width: 24px;
+        height: 24px;
+        padding: 0;
+        background: transparent;
+        border: none;
+        color: var(--color-text-muted);
+        cursor: pointer;
+        transition: color $transition-fast;
+
+        &:hover {
+          color: var(--color-accent-primary);
+        }
       }
     }
 

templates/actor/character-main.hbs

@@ -76,9 +76,16 @@
         <h2 class="section-header">{{localize "VAGABOND.Attacks"}}</h2>
         <div class="attack-skills-grid">
           {{#each attackSkills}}
-          <div class="attack-skill-row interactive-row" role="button" tabindex="0"
-               data-action="rollAttack" data-attack-skill="{{this.id}}"
-               aria-label="{{localize this.label}} {{localize 'VAGABOND.Attack'}}: {{localize 'VAGABOND.Difficulty'}} {{this.difficulty}}">
+          <div class="attack-skill-row {{#if this.trained}}trained{{/if}}" data-attack-skill="{{this.id}}">
+            <button type="button" class="attack-trained-toggle"
+                    data-action="toggleAttackTrained" data-attack="{{this.id}}"
+                    data-tooltip="{{localize 'VAGABOND.ToggleTrained'}}">
+              {{#if this.trained}}
+              <i class="fa-solid fa-check"></i>
+              {{else}}
+              <i class="fa-regular fa-circle"></i>
+              {{/if}}
+            </button>
             <span class="attack-name">{{localize this.label}}</span>
             <span class="attack-stat">({{this.statAbbr}})</span>
             <span class="attack-difficulty">{{this.difficulty}}</span>
@@ -87,6 +94,11 @@
               <i class="fa-solid fa-star" aria-hidden="true"></i>{{this.critThreshold}}
             </span>
             {{/if}}
+            <button type="button" class="attack-roll-btn"
+                    data-action="rollAttack" data-attack-skill="{{this.id}}"
+                    data-tooltip="{{localize 'VAGABOND.RollAttack'}}">
+              <i class="fa-solid fa-dice-d20"></i>
+            </button>
           </div>
           {{/each}}
         </div>