diff --git a/TODO.md b/TODO.md
index f65106e..5f31564 100644
--- a/TODO.md
+++ b/TODO.md
@@ -7,6 +7,7 @@ Backlog of bugs + long-term items. Milestones live in REWORK_PLAN.md.
 
 
 ### dm list - keep active particpant in view (scroll)
+not sure good way to do this
 
 ### combat.js doesnt seem to actually exercise the add characters.  there are no characters in the campaign.   only in the encounter..
 
@@ -99,6 +100,9 @@ Backlog of bugs + long-term items. Milestones live in REWORK_PLAN.md.
 - Migration: keep old log entries readable; new format for new writes.
 
 
+### quality of life fix: 2. UI says "Campaign Characters", field is players --- naming mismatch (separate concern, flag for later)
+
+
 ## FEAT - parallel campaigns
 
 ## FEAT - multi user
diff --git a/scripts/combat/replay.js b/scripts/combat/replay.js
index 255feb7..02c892a 100644
--- a/scripts/combat/replay.js
+++ b/scripts/combat/replay.js
@@ -41,9 +41,9 @@ const pick = (arr) => arr[Math.floor(Math.random() * arr.length)];
 
 function buildRoster() {
   return [
-    { name: 'Fighter', defaultMaxHp: 200, defaultInitMod: 2 },
-    { name: 'Cleric', defaultMaxHp: 180, defaultInitMod: 1 },
-    { name: 'Rogue', defaultMaxHp: 160, defaultInitMod: 3 },
+    { id: 'char-fighter', name: 'Fighter', defaultMaxHp: 200, defaultInitMod: 2 },
+    { id: 'char-cleric', name: 'Cleric', defaultMaxHp: 180, defaultInitMod: 1 },
+    { id: 'char-rogue', name: 'Rogue', defaultMaxHp: 160, defaultInitMod: 3 },
   ];
 }
 function buildMonsters() {
@@ -239,6 +239,7 @@ module.exports = async function replay(args) {
   await callStep('setup_campaign', { campaignId }, async () =>
     storage.setDoc(getPath.campaign(campaignId), {
       id: campaignId, name: `Replay Campaign ${runStamp}`, createdAt: Date.now(),
+      players: buildRoster(),
     })
   );
   await callStep('setup_encounter', { encounterId }, async () =>
diff --git a/src/tests/Combat.scenario.test.js b/src/tests/Combat.scenario.test.js
index db7fe76..cca0111 100644
--- a/src/tests/Combat.scenario.test.js
+++ b/src/tests/Combat.scenario.test.js
@@ -56,7 +56,7 @@ let display = {
   hideNpcHp: false,
 };
 const CAMPAIGN_ID = 'camp-1';
-const roster = [];
+const CAMPAIGN_PATH = `campaigns/${CAMPAIGN_ID}`;const roster = [];
 
 let storage, ctx;
 const DISPLAY_PATH = 'activeDisplay/status';
@@ -74,7 +74,16 @@ const any = (name) => enc.participants.find(p => p.name === name);
 const anyById = (id) => enc.participants.find(p => p.id === id);
 
 function addCharacterViaUI(name, maxHp, initMod) {
-  roster.push({ id: `char-${name}`, name, defaultMaxHp: maxHp, defaultInitMod: initMod });
+  const character = { id: `char-${name}`, name, defaultMaxHp: maxHp, defaultInitMod: initMod };
+  roster.push(character);
+  // persist to campaign doc (mirrors app: players array)
+  if (storage) {
+    const existing = (storage.docs.get(CAMPAIGN_PATH) || {}).players || [];
+    storage.setDoc(CAMPAIGN_PATH, {
+      id: CAMPAIGN_ID, name: 'Scenario Campaign', createdAt: Date.now(),
+      players: [...existing, character],
+    });
+  }
 }
 
 async function addMonsterParticipant(name, maxHp, initMod, asNpc = false) {