Add Chencang siege campaign chapter

docs/roadmap.md

@@ -88,15 +88,17 @@ Build a small complete tactical RPG loop that can grow into a longer Romance of
 - Post-Jieting camp events with Zhuge Liang, Wang Ping, Ma Liang, Jiang Wei, Zhao Yun, and Ma Dai focusing on waterline doctrine, Jiang Wei's first role, cavalry retreat discipline, and the harder sortie choices created by one more strong officer joining the roster
 - Fifty-eighth battle Qishan retreat route, where Jiang Wei becomes selectable for his first Shu-Han sortie, Zhuge Liang must preserve carts and waterlines against Sima Yi and Zhang He, and the 116x98 battlefield closes this slice as a northern-front regrouping point rather than an ending
 - Post-Qishan-retreat camp events with Zhuge Liang, Jiang Wei, Wang Ping, Zhao Yun, Ma Dai, Huang Quan, and Ma Liang focusing on first-sortie review, low-road logistics, return-line discipline, and the next northern campaign preparation
+- Fifty-ninth battle Chencang siege route, where Jiang Wei's role continues but Wei Yan's breakthrough pressure, Wang Ping's camp markers, Ma Dai's cavalry response, Huang Quan's supply limits, and Fa Zheng's siege reading compete inside a seven-officer sortie choice across a 118x100 fortress battlefield
+- Post-Chencang camp events with Jiang Wei, Fa Zheng, Wei Yan, Huang Quan, Ma Liang, Wang Ping, and Ma Dai focusing on siege timing, restrained breakthrough choices, supply ledgers, and the next northern-front recalculation
 - 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, required/excluded/recommended officers, expanding recruited-roster selection pressure, class role, named equipment, core stats, bond partner, next-map terrain suitability, focused officer analysis, 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, 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 Qishan retreat and post-retreat camp, with Jiang Wei's first selectable sortie, 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/Gongan collapse/Maicheng isolation/Yiling vanguard/Yiling fire/Baidi entrustment/Nanzhong stabilization/Meng Huo pacification camp states, campaign timeline state, and camp save state
+- Flow verification script from title through the Chencang siege and post-siege camp, with Jiang Wei's first selectable sortie, 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/Gongan collapse/Maicheng isolation/Yiling vanguard/Yiling fire/Baidi entrustment/Nanzhong stabilization/Meng Huo pacification camp states, campaign timeline state, and camp save state
 
 ## Next Steps
 
-1. Build the next northern-front step after the Qishan retreat, preserving the regrouping tone and making Jiang Wei's growing role compete with Zhao Yun, Ma Dai, Wang Ping, and the strategists instead of simply increasing raw party strength
+1. Build the next northern-front step after the Chencang siege, preserving the regrouping tone and making Jiang Wei and Wei Yan's growing roles compete with Zhao Yun, Ma Dai, Wang Ping, and the strategists instead of simply increasing raw party strength
 2. Expand post-Baidi and post-Nanzhong camp consequences with grief checks, recovery policy choices, village reassurance, captive handling, and regency decisions that affect sortie recommendations
 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