Paragon tester hunter BiS, mount cast QoL, learn all mounts RBAC, trade cap 11

- mod-paragon: .paragon tester bis hunter (Sanctified Ahn'Kahar Blood Hunter + Windrunner's Heartseeker), bis gems kits, AGI bow vs ranged/gun/crossbow, ranged for spi/hybrid weapons.
- .learn all mounts: RBAC 916 + db_auth migration 2026_05_12_00.sql.
- Cast-time mount spells: allow start/complete while moving; block in combat; interrupt mount cast on combat enter; relax movement prevention for NPCs/units.
- MaxPrimaryTradeSkill default 11 (all WotLK primary professions) in WorldConfig + worldserver.conf.dist.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/server/game/Entities/Creature/Creature.cpp

@@ -3640,6 +3640,13 @@ bool Creature::IsMovementPreventedByCasting() const
         return false;
     }
 
+    // Fractured: cast-time mount summon (player-style mount spells on NPCs are rare but supported).
+    if (Spell* genSpell = m_currentSpells[CURRENT_GENERIC_SPELL])
+    {
+        if (genSpell->getState() == SPELL_STATE_PREPARING && genSpell->m_spellInfo->IsCastTimeRidingMountSpell())
+            return false;
+    }
+
     if (HasSpellFocus())
     {
         return true;