diff --git a/apps/presentation/dashboard/smoke/chat-model-menu-smoke.mjs b/apps/presentation/dashboard/smoke/chat-model-menu-smoke.mjs
index b7a4888164..4835f564bc 100644
--- a/apps/presentation/dashboard/smoke/chat-model-menu-smoke.mjs
+++ b/apps/presentation/dashboard/smoke/chat-model-menu-smoke.mjs
@@ -77,10 +77,17 @@ try {
     assert.doesNotMatch(goal, /goal-only-model|Fast|personal-chat-model-menu/, "The Goal reading header leaves sending choices in the single composer");
     assert.doesNotMatch(goal, /gpt-6\.1-sol/, "Goal readback does not inherit the steward model");
     const linked = header("idle", { readOnlySourceLabel: "Historical run", selectedGoal: { goalId: "source-case", title: "Historical run", agentLanes: [] } });
-    const sourceBadge = linked.match(/class="personal-read-only-source"[^>]*>(.*?)<\/span>/)?.[1] ?? "";
-    assert.match(sourceBadge, new RegExp(locale === "zh-CN" ? "只读" : "Read only"));
-    assert.doesNotMatch(sourceBadge, /Historical run/, "The source badge does not repeat the visible Goal title");
-    assertions += 32;
+    // The persistent badge is its trigger name and visible text. Its disclosure
+    // panel is opened on demand and may explain the same source once.
+    const badgeStart = linked.indexOf('class="personal-read-only-source"');
+    const badgeEnd = linked.indexOf('class="personal-channel-actions"', badgeStart);
+    const badge = linked.slice(badgeStart, badgeEnd > badgeStart ? badgeEnd : undefined)
+      .replace(/<div [^>]*class="context-help-popover"[\s\S]*?<\/div>/, "");
+    assert.match(badge, new RegExp(locale === "zh-CN" ? "只读" : "Read only"));
+    assert.doesNotMatch(badge, /Historical run/, "The read-only source badge does not repeat the visible Goal title");
+    const distinct = header("idle", { readOnlySourceLabel: "Remote build", selectedGoal: { goalId: "source-case", title: "Public Goal", agentLanes: [] } });
+    assert.match(distinct, /class="personal-read-only-source-label"[^>]*>Remote build</, "A source the Goal title does not name stays visible in the badge");
+    assertions += 33;
   }
   console.log(`Chat model/header: ${assertions} bilingual model, defaults and accessible refresh assertions passed (SSR only)`);
 } finally { globalThis.window = originalWindow; }
diff --git a/apps/presentation/dashboard/src/features/personal-workspace/channel-header.tsx b/apps/presentation/dashboard/src/features/personal-workspace/channel-header.tsx
index 83d547b4d8..a8060ebd2e 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/channel-header.tsx
+++ b/apps/presentation/dashboard/src/features/personal-workspace/channel-header.tsx
@@ -154,10 +154,13 @@ export function ChannelHeader({
                   : "header.managerAllocationConfigured")
     : null;
 
+  // The Goal title already names the source, so the persistent badge must not
+  // repeat it; only its disclosure panel explains that same source.
+  const sourceNamedByTitle = selectedGoal?.title === readOnlySourceLabel;
   const runtimeControl = scopeUnavailable || agentWorkActive ? null : readOnlySourceLabel ? (
     <div className="personal-read-only-source">
-      <ContextHelp icon={Eye} label={`${readOnlySourceLabel} · ${t("common.readOnly")}`}><p>{t("header.readOnlySourceDescription", { source: readOnlySourceLabel })}</p></ContextHelp>
-      {selectedGoal?.title === readOnlySourceLabel ? null : <span className="personal-read-only-source-label">{readOnlySourceLabel}</span>}
+      <ContextHelp icon={Eye} label={sourceNamedByTitle ? t("header.readOnlySourceHelp") : `${readOnlySourceLabel} · ${t("common.readOnly")}`}><p>{t("header.readOnlySourceDescription", { source: readOnlySourceLabel })}</p></ContextHelp>
+      {sourceNamedByTitle ? null : <span className="personal-read-only-source-label">{readOnlySourceLabel}</span>}
       <small>{t("common.readOnly")}</small>
     </div>
   ) : selectedGoal && !composerVisible ? null : <>
diff --git a/apps/presentation/dashboard/src/features/personal-workspace/i18n.tsx b/apps/presentation/dashboard/src/features/personal-workspace/i18n.tsx
index 5cb38448ba..61593502aa 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/i18n.tsx
+++ b/apps/presentation/dashboard/src/features/personal-workspace/i18n.tsx
@@ -695,6 +695,7 @@ const en = {
   "header.managerView": "Manager view",
   "header.openGoalNavigation": "Open Goal navigation",
   "header.readOnlySourceDescription": "Original records from {source}; execution remains on its source",
+  "header.readOnlySourceHelp": "Read-only source help",
   "header.refresh": "Refresh status",
   "header.refreshDone": "Updated just now",
   "header.refreshFailed": "Refresh failed",
@@ -2345,6 +2346,7 @@ const zhCN: Record<WorkspaceMessageKey, string> = {
   "header.managerView": "管家视图",
   "header.openGoalNavigation": "打开 Goal 导航",
   "header.readOnlySourceDescription": "显示 {source} 的原始记录；执行控制在原运行环境",
+  "header.readOnlySourceHelp": "只读来源说明",
   "header.refresh": "刷新状态",
   "header.refreshDone": "刚刚更新",
   "header.refreshFailed": "刷新失败",