diff --git a/src/app/(frontend)/profile/[username]/actions.ts b/src/app/(frontend)/profile/[username]/actions.ts
index 92b3522..786c923 100644
--- a/src/app/(frontend)/profile/[username]/actions.ts
+++ b/src/app/(frontend)/profile/[username]/actions.ts
@@ -20,6 +20,7 @@ import {
   INTEL_EXCERPT_MAX_LENGTH,
   PERSONAL_EXCERPT_MAX_LENGTH,
 } from "@/lib/profile/excerpt-limits";
+import { promoteMember as promoteMemberService } from "@/lib/promotions";
 
 interface ActionResult<T = undefined> {
   success: boolean;
@@ -270,3 +271,22 @@ export async function updateIntelExcerpt(input: {
     return { success: false, error: e instanceof Error ? e.message : "Unknown error" };
   }
 }
+
+/**
+ * Promote a member to a new rank. Authority is resolved server-side from the
+ * actor's rank promotionCeiling (or admin/developer bypass); the client only
+ * supplies the target username and rank id.
+ */
+export async function promoteMember(
+  username: string,
+  rankId: number,
+): Promise<ActionResult<{ profileId: number }>> {
+  try {
+    const { payload, user } = await authenticate();
+    const result = await promoteMemberService(payload, user, username, rankId);
+    return { success: true, data: { profileId: result.profileId } };
+  } catch (e) {
+    if (e instanceof Error && e.message === "Unauthorized") throw e;
+    return { success: false, error: e instanceof Error ? e.message : "Unknown error" };
+  }
+}
diff --git a/src/app/(frontend)/profile/[username]/page.tsx b/src/app/(frontend)/profile/[username]/page.tsx
index 4ab885b..dd38459 100644
--- a/src/app/(frontend)/profile/[username]/page.tsx
+++ b/src/app/(frontend)/profile/[username]/page.tsx
@@ -41,7 +41,9 @@ import { ProfileGrantAwardButton } from "@/components/frontend/account/ProfileGr
 import { RibbonRack } from "@/components/frontend/account/RibbonRack";
 import { LeadershipEvaluationSection } from "@/components/frontend/profile/LeadershipEvaluationSection";
 import { DossierExcerptEditors } from "@/components/frontend/profile/DossierExcerptEditors";
+import { PromoteButton } from "@/components/frontend/profile/PromoteButton";
 import { getLeadershipDisplayLabel } from "@/lib/evaluations/levels";
+import { allowedPromotionTargets, resolvePromotionAuthority } from "@/lib/promotions";
 import type {
   EvaluationMissionOption,
   EvaluationSummary,
@@ -361,6 +363,10 @@ export default async function ProfilePage({ params }: ProfilePageProps) {
       : null;
   const canSubmitEvaluation = viewer !== null && !isProfileOwner;
   const rank = profile.rank as Rank;
+  const promotionResult = viewer ? await resolvePromotionAuthority(payload, viewer) : null;
+  const allowedTargetRanks = promotionResult
+    ? allowedPromotionTargets(promotionResult, rank)
+    : [];
   const awardEntries = (profile.progression?.awards ?? []).filter(
     (entry): entry is ProfileAwardEntry => typeof entry === "object" && entry !== null,
   );
@@ -607,6 +613,14 @@ export default async function ProfilePage({ params }: ProfilePageProps) {
         />
       )}
 
+      {allowedTargetRanks.length > 0 && (
+        <PromoteButton
+          username={username}
+          currentRankName={rank.name}
+          targetRanks={allowedTargetRanks.map((r) => ({ id: r.id, name: r.name }))}
+        />
+      )}
+
       {/* ── Combat Record ──────────────────────────────────── */}
       <section className="flex flex-col gap-3">
         <div className="flex items-center gap-2">
diff --git a/src/collections/users/Profiles.ts b/src/collections/users/Profiles.ts
index 98543e9..b41c428 100644
--- a/src/collections/users/Profiles.ts
+++ b/src/collections/users/Profiles.ts
@@ -133,6 +133,7 @@ export const Profiles: CollectionConfig = {
                     aimTrainer?: { xpEarned?: number | null };
                     opordRecall?: { xpEarned?: number | null };
                     poker?: { xpEarned?: number | null };
+                    blackjack?: { xpEarned?: number | null };
                   };
                   voiceover?: { xpEarned?: number | null };
                 };
@@ -150,6 +151,7 @@ export const Profiles: CollectionConfig = {
                 const aimTrainerXp = progressionData?.minigames?.aimTrainer?.xpEarned ?? 0;
                 const opordRecallXp = progressionData?.minigames?.opordRecall?.xpEarned ?? 0;
                 const pokerXp = progressionData?.minigames?.poker?.xpEarned ?? 0;
+                const blackjackXp = progressionData?.minigames?.blackjack?.xpEarned ?? 0;
                 const voiceoverXp = progressionData?.voiceover?.xpEarned ?? 0;
 
                 if (awardIds.length > 0) {
@@ -195,6 +197,8 @@ export const Profiles: CollectionConfig = {
                 xpAcc += opordRecallXp;
                 // Poker sit-and-go: XP from placement payouts
                 xpAcc += pokerXp;
+                // Blackjack sessions: XP from profit-based payouts
+                xpAcc += blackjackXp;
                 // Voiceover submissions: XP awarded per accepted submission
                 xpAcc += voiceoverXp;
 
@@ -705,8 +709,64 @@ export const Profiles: CollectionConfig = {
                 },
               ],
             },
+            {
+              name: "blackjack",
+              label: "Blackjack",
+              type: "group",
+              fields: [
+                {
+                  name: "gamesPlayed",
+                  label: "Sessions Played",
+                  type: "number",
+                  defaultValue: 0,
+                },
+                {
+                  name: "roundsWon",
+                  label: "Rounds Won",
+                  type: "number",
+                  defaultValue: 0,
+                },
+                {
+                  name: "blackjacksHit",
+                  label: "Blackjacks Hit",
+                  type: "number",
+                  defaultValue: 0,
+                },
+                {
+                  name: "bestScore",
+                  label: "Best Bankroll",
+                  type: "number",
+                  defaultValue: 0,
+                },
+                {
+                  name: "xpEarned",
+                  label: "XP Earned",
+                  type: "number",
+                  defaultValue: 0,
+                },
+              ],
+            },
           ],
         },
+        {
+          name: "chipBank",
+          label: "Chip Bank",
+          type: "number",
+          defaultValue: 0,
+          min: 0,
+          admin: {
+            description:
+              "Persistent play-chip pool for the card minigames (poker, blackjack). Earned from the other minigames; never creates chips itself.",
+          },
+        },
+        {
+          name: "chipBankRefilledAt",
+          label: "Chip Bank Top-Up At",
+          type: "date",
+          admin: {
+            description: "Last daily chip top-up claim; one claim per 24 hours.",
+          },
+        },
         {
           name: "voiceover",
           label: "Voiceover",