commission overrides in org Settings page

src/utils/commissionResolver.js

@@ -0,0 +1,45 @@
+/**
+ * Centralized commission resolution — 4-level hierarchy:
+ *   Job Override → Individual Override → Role Override → Org Default
+ */
+export function resolveCommission({
+    jobOverride,
+    userId,
+    userCommissionOverrides = [],
+    orgMembers = [],
+    roleCommissionOverrides = [],
+    orgCommissionDefaults = {},
+}) {
+    // Level 1: Job Override (highest priority)
+    if (jobOverride) {
+        return { source: 'job', type: jobOverride.type, rate: Number(jobOverride.rate) || 0 };
+    }
+
+    // Level 2: Individual User Override
+    if (userId) {
+        const userOverride = userCommissionOverrides.find(o => o.enabled && o.userId === userId);
+        if (userOverride) {
+            return { source: 'user', type: userOverride.type, rate: Number(userOverride.rate) || 0 };
+        }
+    }
+
+    // Level 3: Role Override
+    if (userId) {
+        const member = orgMembers.find(m => m.userId === userId);
+        if (member) {
+            const roleOverride = roleCommissionOverrides.find(o => o.enabled && o.roleKey === member.roleKey);
+            if (roleOverride) {
+                return { source: 'role', type: roleOverride.type, rate: Number(roleOverride.rate) || 0, roleKey: member.roleKey };
+            }
+        }
+    }
+
+    // Level 4: Org Default (lowest priority)
+    return { source: 'org', type: orgCommissionDefaults.type, rate: Number(orgCommissionDefaults.rate) || 0 };
+}
+
+export function findAssignedUserRoleKey(userId, orgMembers = []) {
+    if (!userId) return null;
+    const member = orgMembers.find(m => m.userId === userId);
+    return member?.roleKey || null;
+}