feat(113): fakturownia integration foundation

Phase 113 complete (v3.7 Invoices):
- DB: invoices, invoice_configs, invoice_number_counters, fakturownia_integration_settings + orders.invoice_requested
- FakturowniaIntegrationRepository (multi-account via integrations.type='fakturownia')
- FakturowniaApiClient (testConnection; createInvoice/downloadPdf STUBs)
- IntegrationsRepository::updateTestResult() (reusable test-result writer)
- /settings/integrations/fakturownia (list + edit + test + delete)
- Karta Fakturownia w hubie /settings/integrations

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.paul/changelog/2026-05-10.md

@@ -0,0 +1,34 @@
+# 2026-05-10
+
+## Co zrobiono
+
+- [Phase 113, Plan 01] Fakturownia Integration Foundation — fundament v3.7 Invoices
+- Task 1: 3 migracje SQL (invoices, invoice_configs, invoice_number_counters, fakturownia_integration_settings, orders.invoice_requested)
+- Task 2: FakturowniaIntegrationRepository + FakturowniaApiClient (testConnection + STUB createInvoice/downloadPdf) + IntegrationsRepository::updateTestResult()
+- Task 3: FakturowniaIntegrationController + 2 widoki + 6 routes + karta w hubie integracji
+- Auto-fix: migracja 105 - usunieto `AFTER notes` (kolumna nie istnieje, notatki w `order_notes`)
+- Auto-fix: migracja 106 - `ALTER TABLE COMMENT` zamiast `SELECT 1;` (PDO unbuffered conflict)
+- Auto-fix: widok listy przepisany w stylu `table.table + table-wrap + badge` po feedbacku
+- Phase 113 transition: PROJECT.md + ROADMAP.md zaktualizowane; v3.7 status In progress
+
+## Zmienione pliki
+
+- `database/migrations/20260510_000104_create_invoices_tables.sql`
+- `database/migrations/20260510_000105_add_invoice_requested_to_orders.sql`
+- `database/migrations/20260510_000106_seed_fakturownia_integration_type.sql`
+- `src/Modules/Settings/FakturowniaIntegrationRepository.php`
+- `src/Modules/Settings/FakturowniaApiClient.php`
+- `src/Modules/Settings/FakturowniaIntegrationController.php`
+- `src/Modules/Settings/IntegrationsHubController.php`
+- `src/Modules/Settings/IntegrationsRepository.php`
+- `resources/views/settings/fakturownia.php`
+- `resources/views/settings/fakturownia-edit.php`
+- `routes/web.php`
+- `.paul/codebase/db_schema.md`
+- `.paul/codebase/architecture.md`
+- `.paul/codebase/tech_changelog.md`
+- `.paul/PROJECT.md`
+- `.paul/ROADMAP.md`
+- `.paul/STATE.md`
+- `.paul/phases/113-fakturownia-integration/113-01-PLAN.md`
+- `.paul/phases/113-fakturownia-integration/113-01-SUMMARY.md`