Add separate Iron Coast mission, weapon and enemy mods with SD HD artwork and audio

examples/mods/iron_coast_scout/prompts/projectile-hd-v1.txt

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+Use case: style-transfer
+Asset type: transparent HD projectile sprite for hostile cannon fire in a top-down military science-fiction shoot-em-up.
+Input: original Raptor ESHOT_BLK 8×8 amber projectile, enlarged nearest-neighbor, is a reference for color and readability.
+Primary request: a single small compact circular amber/orange energy shell viewed directly overhead, bright pale-yellow center fading to orange metal/plasma rim, dark crisp outer edge. Match the naval steel/amber Raptor remaster style. It will be reduced to an 8×8 logical square, so keep a simple readable round footprint and avoid microdetails. This is one ammunition projectile, no weapon or spacecraft.
+Composition: perfectly centered isolated circular sprite on square canvas, visible orb occupies about62% width/height with equal large transparent margins. Keep all glow contained inside the circular orb, no external haze, shadow, trail or rays. Do not stretch it.
+Constraints: true transparent background, no extra objects, no checkerboard or black background baked into pixels, no text, logos, watermarks, perspective or decorative framing.

examples/mods/iron_coast_scout/prompts/unit-hd-v1.txt

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+Use case: style-transfer
+Asset type: transparent HD sprite for the Iron Coast Scout enemy, a top-down vertical shoot-em-up.
+Input image: the supplied original 24×24 Raptor SHIP39G1_PIC sprite is the source of truth for the silhouette and orientation, enlarged with nearest-neighbor only.
+Primary request: create one polished HD remaster of this small agile military science-fiction fighter, preserving the exact overhead view, V-shaped swept wings at the top and narrow central nose pointing straight DOWN. Naval steel/slate armor, subtle olive panels, restrained tiny amber engine vents and red service markings, crisp machined panel seams and readable shape. This is an enemy fighter facing down toward the player. Match the utilitarian 1990s Raptor design language while adding clean HD surface detail.
+Composition: centered on a square transparent canvas. Keep original proportions and symmetric straight-flight pose. Ship fills approximately 92% of canvas width and 92% of height, with a small equal transparent margin; no part clipped. No perspective, no rotation, no banking. No extra external parts or trails. Directional lighting gently from upper left, dark edges, no cast shadow outside ship.
+Constraints: one single isolated sprite, genuine transparent background, no lettering, logos, watermarks, environment, ground plane, drop shadow, border or checkerboard painted into pixels. Preserve alpha transparency and the original silhouette; do not put the ship in a photograph or poster.