Lava Mage Spawn Egg

Implement only these approved requirements: - Create a hostile fixed-biped entity with ID sword_shield_raider, 70 health, default width 0.9, height 1.4, movement speed 0.25, attack damage 2, armor 0, tracking range 8, pig sound family, archetype-appropriate hostile default goals, and no natural spawning. - Create a hostile fixed-biped boss entity with ID lava_mage and visible name “Lava Mage”, 250 health, default width 0.9, height 1.4, movement speed 0.25, attack damage 2, armor 0, tracking range 8, pig sound family, archetype-appropriate hostile default goals, and no natural spawning. - Create the sword_shield_raider texture: A hostile Minecraft-style illager raider with dark raider clothing, iron sword and shield motifs, designed for a fixed biped entity texture. - Create the sword_shield_raider_spawn_egg texture: Minecraft-style spawn egg icon themed around a dark raider with an iron sword and shield, using gray, black, and muted red colors. - Create the lava_mage texture: A hostile Minecraft-style lava mage boss for a fixed biped entity texture: obsidian-dark robes, glowing orange lava cracks, fiery eyes, and molten accents. - Create the lava_mage_spawn_egg texture: Minecraft-style spawn egg icon themed around a molten lava mage, using black, dark red, orange, and yellow colors.