Task 3: Step 2 complete - plan sub-tasks for bug fixes

docs/task3/subtask_7.md

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+# Sub-Task 7: SkillsTab Modifications (Bugs 9, 11, 12, 13)
+
+## Scope
+- **Components affected**:
+  - `components/SkillsTab.tsx` (all skill-related UI)
+  - Skill data definitions (e.g., `data/skills.ts`)
+  - Skill category logic (Research, Mana, Study categories)
+  - Skill cost calculation logic
+- **Files potentially affected**:
+  - `types/skills.ts` (skill type definitions, categories)
+  - `store/skillsSlice.ts` or similar for skill state
+  - `utils/skillUtils.ts` (cost calculation, category checks)
+  - Mana system files (for per-mana capacity upgrades in Bug 9)
+
+## Acceptance Criteria
+1. **Bug 9**: "Elemental Attunement" skill replaced with per-mana-type capacity upgrades; each upgrade costs mana of its own type to research
+2. **Bug 11**: "Effect Research" enchantment skills cost both Transference mana and relevant elemental mana (e.g., Fire Spell Research costs Transference + Fire)
+3. **Bug 12**: All skills in "Research" category moved to "Mana" category; "Meditation Focus" moved from "Study" to "Mana"
+4. **Bug 13**: "Disenchanting" skill completely removed from SkillsTab
+5. No broken skill UI or missing skills after changes
+
+## Dependencies
+- None (independent, but all skill changes are sequential within this sub-task)
+
+## Estimated Complexity
+- High (multiple skill system changes + UI updates)