Add selectable reserve drill focus

docs/roadmap.md

@@ -68,7 +68,7 @@ Build a small complete tactical RPG loop that can grow into a longer Romance of
 - Forty-second battle Jing rear-crisis route, using Ma Liang and Mi Zhu's rear-guard roles across an 84x66 Jiangling ferry battlefield to repel Lu Meng's disguised scouts and expose Mi Fang's wavering rear line
 - Camp progress timeline tab that summarizes Liu Bei's long campaign arc, completed battles, current chapter, latest battle, and next major chapter
 - Tactical sortie preparation panel with battle-specific sortie limits, recommended officers with reasons, class role, named equipment, core stats, bond partner, next-map terrain suitability, deployment preview, formation roles, active bond count, recruited-officer count, reserve roster summary, and readiness advice for each deployable officer
-- Officer collection support in camp, including full roster status, selected/reserve/recommended markers, and post-battle reserve training growth for benched officers
+- Officer collection support in camp, including full roster status, selected/reserve/recommended markers, selectable reserve drill focus, and post-battle reserve training growth for benched officers
 - Treasure equipment effects wired into battle previews and resolution, including named weapon damage bonuses, defensive treasure mitigation, support recovery bonuses, turn-start charm recovery, and equipment-specific growth bonuses
 - Flow verification script from title through the forty-second battle victory, King of Hanzhong council milestone, Shu-Han foundation milestone, recruit sortie selection, Liu Biao visit rewards, Zhuge Liang recruitment, Bowang/Changban/Jiangdong/Red Cliffs/Jing Province/Guiyang/Wuling/Changsha/Yi Province/Fu Pass/Luo Castle/Luofeng/Luo main gate/Mianzhu/Chengdu/Jiameng/Yangping/Dingjun/Hanzhong/Jing defense/Fan Castle/Han River/Fan siege/Jing rear camp states, campaign timeline state, and camp save state
 
@@ -76,7 +76,7 @@ Build a small complete tactical RPG loop that can grow into a longer Romance of
 
 1. Build the Jing Province rear-collapse follow-up, using Lu Meng's infiltration, Mi Fang/Fu Shiren's wavering, and Guan Yu's overextended Fan Castle front as the next campaign tension
 2. Expand Jing rear-crisis aftermath events, including warehouse trust, river rumor choices, officer loyalty checks, and supply decisions that affect sortie recommendations
-3. Expand sortie selection into richer pre-battle officer planning, including explicit reserve drills, class practice, and bond-focused camp assignments
+3. Expand reserve planning into individual officer assignments, including targeted class practice, paired bond training, and camp task slots
 4. Add a dedicated treasure/equipment management view so players can compare special effects and growth
 5. Keep expanding scenarios through the long campaign instead of treating the current slice as an ending