Wigfrid Skill Tree Overhaul

Revamped most skill perks to make every node genuinely appealing. Here's the polished translation optimized for Steam Workshop descriptions, maintaining accuracy and clarity while using official DST terminology: --- I. Battle Song Changes Core Mechanics: - Inspiration thresholds reduced: `15` (was 16. 6) / `30` (was 50) / `60` (was 83. 3) - Effect radius increased to `16 units` (was 12) - Max simultaneous songs: `3` per Wigfrid - Song effects do not stack across multiple Wigfrids Battle Song Reworks: 1. Weaponized Warble `NEW: Instantly restores 10% durability to held weapons in range` 2. Fireproof Falsetto `NEW: Fully hydrates farm plots + extinguishes all fires in radius` 3. Heartrending Ballad `Healing per hit: 1 HP (was 0. 5) - stacks with Wigfrid's innate lifesteal` 4. Clear Minded Cadenza `NEW: Grants complete sleep immunity to players in range` 5. Bel Canto of Courage `NEW: Nullifies boss sanity auras within effect radius` 6. Dark Lament `NEW: Fully restores sanity to affected players` 7. Enlightened Lullaby `NEW: Resets Enlightenment to zero in radius` --- II. Skill Tree Updates Encore Performer Finale Performance: Removed the skill point requirement for usage. Battle Chant Jar: Can now be opened under any condition, with no skill point restriction; remains open and will not auto-close; inventory space increased to 12 slots and can now hold Valkyrie weapons. Battle Chant: No longer consumes Motivation when chanting a War Cry if Motivation is sufficient; cooldown for the "Warrior's Reprise" song changed to 60 seconds, other War Cry songs cooldown set to 6 seconds. Mysterious Resilience Mysterious Resilience: Valkyrie can now eat vegetarian food, but the stat gains are halved; eating food with the "Meat" tag now grants 5 Motivation per consumption. Armory Bragi's Blessing Lv. 1: Inspiration gain speed increased by 30% when attacking with a Battle Spear, Thunder Spear, or Charged Thunder Spear. Bragi's Blessing Lv. 2: Inspiratio