Fix strategy motion effects by tactic type

docs/battle-strategy-motion-audit.md

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+# Battle Strategy Motion Audit
+
+## Scope
+
+Audited all battle strategy motions defined in `src/game/scenes/BattleScene.ts`.
+
+## Findings
+
+- `aid`: support/heal strategy. Uses the support cut-in, green healing effect, and does not use a projectile.
+- `encourage`: support/focus strategy. Uses the support cut-in, gold buff effect, and does not use a projectile.
+- `fireTactic`: enemy-target damage strategy named `화계`. It applies `burn`, but previously reused the generic blue-white strategy orb projectile.
+- `roar`: enemy-target damage strategy named `고함`. It applies `confusion`, but also reused the same generic strategy orb projectile.
+
+## Fix
+
+- `fireTactic` now uses an orange/red moving flame projectile, fire-colored caster pulse, and flame burst impact.
+- `roar` now uses a short-range shockwave projectile and impact ring instead of a magic orb.
+- The generic blue strategy orb remains only as a fallback for future damage strategies without a specific motion.
+- The final combat impact flash now matches the selected strategy motion color, so fire tactics no longer end with a blue-white impact star.
+
+## Users Covered
+
+- Player fire tactic users: Guan Yu, Jian Yong, Sun Qian, Zhuge Liang, Ma Liang, Pang Tong, Fa Zheng, Jiang Wei.
+- Player roar users: Zhang Fei, Wei Yan, Ma Chao.
+- Enemy AI fire tactic users: strategist, quartermaster, advisor, shaman, Sima Yi, and Chen Gong style units selected by enemy behavior.
+- Enemy AI roar users: leader and officer style units selected by enemy behavior.