Add coulombcore hosting expense at 13.99 EUR/mo from Jan 2025

One hosting expense record per month alongside domain rows. Update
infrastructure catalog, tests, and dashboard for 20.74 EUR/mo total
infrastructure.

projects/coulomb-pricing/tests/test_economics.py

@@ -29,8 +29,8 @@ def test_infrastructure_aggregated_from_domain_expense_records() -> None:
     fx = load_fx_rates(DATA_DIR)
     totals = aggregate_infrastructure_by_period(expenses, fx)
 
-    assert totals["2025-01"] == Decimal("6.75")
-    assert totals["2026-06"] == Decimal("6.75")
+    assert totals["2025-01"] == Decimal("20.74")
+    assert totals["2026-06"] == Decimal("20.74")
 
 
 def test_monthly_ledger_starts_january_2025() -> None:
@@ -41,9 +41,9 @@ def test_monthly_ledger_starts_january_2025() -> None:
     march = next(row for row in ledger if row.period == "2025-03")
     june = next(row for row in ledger if row.period == "2026-06")
 
-    assert march.infrastructure_cost == Decimal("6.75")
+    assert march.infrastructure_cost == Decimal("20.74")
     assert march.payment_processing_cost == Decimal("0.00")
-    assert june.infrastructure_cost == Decimal("6.75")
+    assert june.infrastructure_cost == Decimal("20.74")
     assert june.payment_processing_cost == Decimal("0.38")
     assert june.gross_revenue == Decimal("8.99")
 
@@ -57,11 +57,11 @@ def test_build_snapshot_june_2026_domain_only_infrastructure() -> None:
 
     snapshot = build_snapshot("2026-06", product, models, members, payments, ledger)
 
-    assert snapshot.monthly_infrastructure_cost == Decimal("6.75")
+    assert snapshot.monthly_infrastructure_cost == Decimal("20.74")
     assert snapshot.monthly_payment_processing_cost == Decimal("0.38")
-    assert snapshot.monthly_total_platform_cost == Decimal("7.13")
-    assert snapshot.period_net_liquidity == Decimal("1.86")
-    assert snapshot.liquidity_status == "generating"
+    assert snapshot.monthly_total_platform_cost == Decimal("21.12")
+    assert snapshot.period_net_liquidity == Decimal("-12.13")
+    assert snapshot.liquidity_status == "burning"
 
 
 def test_liquidity_summary_with_actual_domain_costs() -> None:
@@ -71,12 +71,12 @@ def test_liquidity_summary_with_actual_domain_costs() -> None:
 
     summary = build_liquidity_summary(budget, payments, ledger, "2026-06")
 
-    assert summary.cumulative_infrastructure_cost == Decimal("121.50")
+    assert summary.cumulative_infrastructure_cost == Decimal("373.32")
     assert summary.cumulative_payment_processing_cost == Decimal("3.04")
-    assert summary.cumulative_total_platform_cost == Decimal("124.54")
+    assert summary.cumulative_total_platform_cost == Decimal("376.36")
     assert summary.cumulative_member_payments == Decimal("68.88")
-    assert summary.cumulative_net_liquidity == Decimal("-52.62")
-    assert summary.remaining_budget == Decimal("947.38")
+    assert summary.cumulative_net_liquidity == Decimal("-304.44")
+    assert summary.remaining_budget == Decimal("695.56")
     assert summary.liquidity_status == "burning"
     assert summary.months_tracked == 18
 
@@ -98,6 +98,6 @@ def test_dashboard_notes_expense_record_source() -> None:
 
     report = generate_dashboard(DATA_DIR, "2026-06")
     assert "expense and payment record ledgers" in report
-    assert "121.50" in report
-    assert "947.38" in report
+    assert "373.32" in report
+    assert "695.56" in report
     assert "coulomb.social" not in report  # dashboard shows aggregates, not domain names