feedback5: merge R3 — server/sim/Battle.js split into server/sim/battle/* (prototype methods in fixed order) and content/enemies.js into content/enemies/* (same KITS order); golden unchanged

# Conflicts:
#	.git-blame-ignore-revs

public/js/render/interp.js

@@ -21,7 +21,7 @@
 //     included — are always delivered, and a full queue sheds only cosmetic ones.
 //
 // Snapshot tuple layout (DESIGN §8.2): [id, x, y, hp, maxHp, sp, spMax, flags, anim]. Two optional lists ride along
-// (server/sim/Battle.js snapshot, user playtest #4 items 8 / 9):
+// (server/sim/battle/events.js snapshot, user playtest #4 items 8 / 9):
 //   * `elem` [[id, element, fill, cooldownEnd, cooldown]] — the element gauge a unit shows: appended to that unit's
 //     normalised tuple (EL…EL_DUR) and handed out by sample() as `el`, `elFill`, `elUntil`, `elDur` (from the older
 //     snapshot, like flags);

public/js/render/style.js

@@ -113,7 +113,7 @@ export const PROJ = Object.freeze({
   drone: { look: 'dart', speed: 16, tint: 0xe4fbff, glow: 0x57c9ff, len: 0.7, width: 0.16, head: 0.3, trail: 0x57c9ff, hit: 'zap' },
   enemy: { look: 'orb', speed: 10, tint: 0xffe2da, glow: 0xff3b30, len: 0.55, width: 0.28, head: 0.44, trail: 0xff4a3a, muzzle: 0xff6a5a, hit: 'enemy' },
   boomerang: { look: 'boomerang', speed: 15, back: 3.75, tint: 0xfff4d6, glow: 0x9ff0dc, len: 0.4, width: 0.3, head: 0.5, trail: 0x9ff0dc, hit: 'spark' },
-  // 暴鸰's bomb (sim content/enemies.js kitBombd; official projectile_bombd, speed 5): dropped from the drone, it falls
+  // 暴鸰's bomb (sim content/enemies/fly.js kitBombd; official projectile_bombd, speed 5): dropped from the drone, it falls
   // onto its target with a low arc and bursts where the sim's 'explode' blast goes off
   droneBomb: { look: 'shell', speed: 5, once: true, tint: 0xffe2c8, glow: 0xff5a3a, len: 0.6, width: 0.3, head: 0.5, trail: 0xff7a4a, arc: 0.35, smoke: 0x2e2824, hit: 'boom' },
 });
@@ -143,7 +143,7 @@ const STATUS_GUESS = [
 ];
 
 /**
- * The 折射 icon is not drawn while the unit is silenced: the RES bonus is already off (enemies.js refraction)
+ * The 折射 icon is not drawn while the unit is silenced: the RES bonus is already off (sim content/enemies/archetypes.js refraction)
  * and the status must not keep looking active. Other icons stay.
  * @param {string} key a b.ev status key
  * @param {Set<string>|string[]|null} statuses