feat(eod): pay reduced XP with creator banking on custom minefield runs

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/app/(frontend)/eod/custom/actions.ts

@@ -5,7 +5,11 @@ import { getPayload } from "payload";
 import { emitGameEvent } from "@/utils/event-log/emit";
 import { EventTypes } from "@/utils/event-log/eventTypes";
 import { hasPermission } from "@/utils/access-control/hasPermission";
+import { broadcastToUser } from "@/lib/realtime/bus";
+import { creditEodXp } from "@/lib/custom-minigames/payouts";
 import {
+  applyCreatorBank,
+  customPlayerXp,
   isEodUnlocked,
   minefieldFlagsError,
   validateGridSize,
@@ -120,6 +124,7 @@ export async function createMinefield(input: {
   rows: number;
   cols: number;
   mines: unknown;
+  exposeEdgeMines?: boolean;
 }): Promise<ActionResult<{ id: number }>> {
   try {
     const { payload, user } = await authenticate();
@@ -149,6 +154,7 @@ export async function createMinefield(input: {
         mines: mineCheck.positions,
         mineCount: mineCheck.positions.length,
         published: true,
+        exposeEdgeMines: input.exposeEdgeMines ?? true,
         playCount: 0,
       },
       depth: 0,
@@ -177,6 +183,7 @@ export async function updateMinefield(input: {
   name?: string;
   mines?: unknown;
   published?: boolean;
+  exposeEdgeMines?: boolean;
 }): Promise<ActionResult<undefined>> {
   try {
     const { payload, user } = await authenticate();
@@ -212,6 +219,9 @@ export async function updateMinefield(input: {
     if (input.published !== undefined) {
       data.published = Boolean(input.published);
     }
+    if (input.exposeEdgeMines !== undefined) {
+      data.exposeEdgeMines = Boolean(input.exposeEdgeMines);
+    }
     if (input.mines !== undefined) {
       const mineCheck = validateMinePositions(input.mines, existing.rows, existing.cols);
       if (mineCheck.error) {
@@ -306,7 +316,7 @@ export async function submitCustomMinefieldScore(input: {
   seconds: number;
   flags: number;
   won: boolean;
-}): Promise<ActionResult<undefined>> {
+}): Promise<ActionResult<{ xpEarned: number }>> {
   try {
     const { payload, user } = await authenticate();
 
@@ -337,6 +347,45 @@ export async function submitCustomMinefieldScore(input: {
       return { success: false, error: flagError };
     }
 
+    // Payouts: wins pay 10% of the equivalent standard run, the field's author
+    // banks 5% of each payout, and authors earn nothing on their own fields.
+    const isOwnPlay = minefield.author === (user.id as number);
+    let playerXp = 0;
+    let creatorXpCredited = 0;
+    let creatorXpBank = minefield.creatorXpBank ?? 0;
+    if (input.won && !isOwnPlay) {
+      playerXp = customPlayerXp({
+        mineCount: minefield.mineCount,
+        seconds: input.seconds,
+        won: true,
+      });
+      if (playerXp > 0) {
+        const credited = await creditEodXp(payload, user.id as number, playerXp);
+        if (credited) {
+          broadcastToUser("profile-update", Number(user.id), {
+            reason: "xp",
+            xpGained: playerXp,
+            profileId: credited.profileId,
+          });
+        }
+
+        const prevBank = creatorXpBank;
+        const applied = applyCreatorBank(prevBank, playerXp);
+        const authorId = typeof minefield.author === "number" ? minefield.author : null;
+        const authorCredit =
+          applied.wholeXpToCredit > 0 && authorId !== null
+            ? await creditEodXp(payload, authorId, applied.wholeXpToCredit)
+            : null;
+        if (authorCredit) {
+          creatorXpCredited = applied.wholeXpToCredit;
+          creatorXpBank = applied.bank;
+        } else {
+          // No profile (or nothing whole due): keep the full banked fraction.
+          creatorXpBank = prevBank + applyCreatorBank(0, playerXp).bank;
+        }
+      }
+    }
+
     await payload.create({
       collection: "custom-minefield-scores",
       data: {
@@ -352,7 +401,10 @@ export async function submitCustomMinefieldScore(input: {
     await payload.update({
       collection: "custom-minefields",
       id: minefield.id,
-      data: { playCount: (minefield.playCount ?? 0) + 1 },
+      data: {
+        playCount: (minefield.playCount ?? 0) + 1,
+        ...(playerXp > 0 ? { creatorXpBank } : {}),
+      },
       overrideAccess: true,
       depth: 0,
     });
@@ -360,7 +412,9 @@ export async function submitCustomMinefieldScore(input: {
     await emitGameEvent(payload, {
       type: EventTypes.MinigameCustomEodPlay,
       message: input.won
-        ? `Cleared custom minefield "${minefield.name}" in ${input.seconds}s`
+        ? `Cleared custom minefield "${minefield.name}" in ${input.seconds}s${
+            playerXp > 0 ? ` (+${playerXp} XP)` : ""
+          }`
         : `Died on custom minefield "${minefield.name}" after ${input.seconds}s`,
       actor: user.id as number,
       targetCollection: "custom-minefields",
@@ -369,10 +423,12 @@ export async function submitCustomMinefieldScore(input: {
         seconds: input.seconds,
         flags: input.flags,
         won: Boolean(input.won),
+        xpEarned: playerXp,
+        creatorXpCredited,
       },
     });
 
-    return { success: true };
+    return { success: true, data: { xpEarned: playerXp } };
   } catch (error) {
     const message = error instanceof Error ? error.message : "Unknown error";
     if (message === "Unauthorized") {