Add confirmed-sales income to budget and overview

Budget page load now computes per-project income (net of withholding)
from confirmed sales. Overview has a full-width Income KPI showing
total confirmed net revenue.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/routes/(app)/companies/[companyId]/+page.server.ts

@@ -1,6 +1,6 @@
 import type { PageServerLoad } from './$types';
 import { db } from '$lib/server/db/index.js';
-import { projects, expenses } from '$lib/server/db/schema.js';
+import { projects, expenses, sales, saleLineItems } from '$lib/server/db/schema.js';
 import { eq, and, sql } from 'drizzle-orm';
 
 export const load: PageServerLoad = async ({ parent }) => {
@@ -38,5 +38,20 @@ export const load: PageServerLoad = async ({ parent }) => {
 		.orderBy(sql`${expenses.createdAt} desc`)
 		.limit(10);
 
-	return { projects: projectList, recentExpenses };
+	// Total confirmed sales income (net of withholding)
+	const [incomeRow] = await db
+		.select({
+			total: sql<string>`coalesce(sum(
+				(select sum(${saleLineItems.quantity} * ${saleLineItems.unitPrice} * (1 + ${saleLineItems.taxRate})) from sale_line_items where sale_id = ${sales.id})
+				* (1 - ${sales.withholdingTaxRate})
+			), '0')::text`
+		})
+		.from(sales)
+		.where(and(eq(sales.companyId, company.id), eq(sales.status, 'confirmed')));
+
+	return {
+		projects: projectList,
+		recentExpenses,
+		totalIncome: incomeRow?.total ?? '0'
+	};
 };

src/routes/(app)/companies/[companyId]/+page.svelte

@@ -8,6 +8,7 @@
 	const allocated = $derived(data.projects.reduce((s, p) => s + parseFloat(p.allocatedBudget), 0));
 	const spent = $derived(data.projects.reduce((s, p) => s + parseFloat(p.spent), 0));
 	const total = $derived(parseFloat(data.company.totalBudget));
+	const income = $derived(parseFloat(data.totalIncome ?? '0'));
 	const remaining = $derived(total - spent);
 	const remainingPct = $derived(total > 0 ? (remaining / total) * 100 : 0);
 
@@ -88,6 +89,16 @@
 				{total > 0 ? ((allocated / total) * 100).toFixed(1) : '0'}% of total
 			</p>
 		</div>
+
+		<div class="rounded-lg border border-emerald-300 bg-white p-4 dark:border-emerald-700 dark:bg-gray-800 lg:col-span-4">
+			<p class="text-xs font-semibold uppercase tracking-wider text-emerald-500 dark:text-emerald-400">
+				Income (from confirmed sales)
+			</p>
+			<p class="mt-1 text-2xl font-bold text-emerald-700 dark:text-emerald-400">
+				{formatCurrency(income, currency)}
+			</p>
+			<p class="mt-1 text-xs text-gray-500 dark:text-gray-400">Net of withholding tax</p>
+		</div>
 	</div>
 
 	<div class="grid gap-6 lg:grid-cols-2">

src/routes/(app)/companies/[companyId]/budget/+page.server.ts

@@ -7,7 +7,9 @@ import {
 	companies,
 	users,
 	expenses,
-	companyLog
+	companyLog,
+	sales,
+	saleLineItems
 } from '$lib/server/db/schema.js';
 import { and, eq, sql } from 'drizzle-orm';
 import { requireCompanyRole } from '$lib/server/authorization.js';
@@ -17,7 +19,7 @@ import { formatCurrency } from '$lib/utils/currency.js';
 export const load: PageServerLoad = async ({ parent, params }) => {
 	const { company } = await parent();
 
-	const projectList = await db
+	const projectListRaw = await db
 		.select({
 			id: projects.id,
 			name: projects.name,
@@ -30,6 +32,36 @@ export const load: PageServerLoad = async ({ parent, params }) => {
 		.groupBy(projects.id)
 		.orderBy(projects.name);
 
+	// Income per project from confirmed sales (gross - withholding = net receivable)
+	const incomeRows = await db
+		.select({
+			projectId: sales.projectId,
+			income: sql<string>`coalesce(sum(
+				(select sum(${saleLineItems.quantity} * ${saleLineItems.unitPrice} * (1 + ${saleLineItems.taxRate})) from sale_line_items where sale_id = ${sales.id})
+				* (1 - ${sales.withholdingTaxRate})
+			), '0')::text`
+		})
+		.from(sales)
+		.where(
+			and(
+				eq(sales.companyId, params.companyId),
+				eq(sales.status, 'confirmed')
+			)
+		)
+		.groupBy(sales.projectId);
+
+	const incomeByProject = new Map<string | null, string>();
+	for (const row of incomeRows) {
+		incomeByProject.set(row.projectId, row.income);
+	}
+
+	const projectList = projectListRaw.map((p) => ({
+		...p,
+		income: incomeByProject.get(p.id) ?? '0'
+	}));
+
+	const unassignedIncome = incomeByProject.get(null) ?? '0';
+
 	const allocations = await db
 		.select({
 			id: budgetAllocations.id,
@@ -64,8 +96,17 @@ export const load: PageServerLoad = async ({ parent, params }) => {
 		.limit(100);
 
 	const totalAllocated = projectList.reduce((s, p) => s + parseFloat(p.allocatedBudget), 0);
+	const totalIncome =
+		projectList.reduce((s, p) => s + parseFloat(p.income), 0) + parseFloat(unassignedIncome);
 
-	return { projects: projectList, allocations, totalAllocated, changelog };
+	return {
+		projects: projectList,
+		allocations,
+		totalAllocated,
+		totalIncome,
+		unassignedIncome,
+		changelog
+	};
 };
 
 export const actions: Actions = {