feat(invoices): add Peppol delivery foundation (#1595)

* feat(invoices): add Peppol delivery foundation

* fix(invoices): harden Peppol compliance guards

* fix(api): narrow Peppol document loading

* test(pg): hash Peppol fixture payload

* fix(invoices): address Peppol review findings

* test(pg): isolate Peppol provider events

* test(pg): isolate Peppol submission fixtures

messages/en.json

@@ -3666,6 +3666,9 @@
     "copy_invoice": "Copy invoice",
     "download_pdf": "Download PDF",
     "download_peppol_xml": "Download Peppol XML",
+    "prepare_peppol_delivery": "Prepare Peppol delivery",
+    "send_via_peppol": "Send via Peppol",
+    "peppol_provider_required": "A contracted and configured Peppol provider is required before Accounted can send.",
     "preview_pdf": "Preview",
     "viewer_disabled_tooltip": "You only have read-only access to this company",
     "customer_card_title": "Customer",
@@ -3789,6 +3792,10 @@
     "peppol_downloaded_description": "The XML file passed Accounted's local checks. It has not been sent to Peppol.",
     "peppol_download_failed_title": "Could not create Peppol XML",
     "peppol_download_failed_description": "The invoice does not satisfy the Peppol profile supported by this export.",
+    "peppol_prepared_title": "Peppol delivery prepared",
+    "peppol_prepared_description": "An immutable XML copy was saved for traceability. The invoice has not been sent to Peppol.",
+    "peppol_prepare_failed_title": "Could not prepare Peppol delivery",
+    "peppol_prepare_failed_description": "The invoice could not be saved as a prepared Peppol delivery.",
     "pdf_rerender_downloaded_title": "Freshly generated PDF downloaded",
     "pdf_rerender_preview_title": "Showing a freshly generated PDF",
     "pdf_preview_blocked_title": "Could not open the preview",

messages/sv.json

@@ -3666,6 +3666,9 @@
     "copy_invoice": "Kopiera faktura",
     "download_pdf": "Ladda ner PDF",
     "download_peppol_xml": "Ladda ner Peppol XML",
+    "prepare_peppol_delivery": "Förbered Peppol-leverans",
+    "send_via_peppol": "Skicka via Peppol",
+    "peppol_provider_required": "En avtalad och konfigurerad Peppol-operatör krävs innan Accounted kan skicka.",
     "preview_pdf": "Förhandsgranska",
     "viewer_disabled_tooltip": "Du har endast läsbehörighet i detta företag",
     "customer_card_title": "Kund",
@@ -3789,6 +3792,10 @@
     "peppol_downloaded_description": "XML-filen har klarat Accounteds lokala kontroll. Den har inte skickats till Peppol.",
     "peppol_download_failed_title": "Kunde inte skapa Peppol XML",
     "peppol_download_failed_description": "Fakturan uppfyller inte den Peppol-profil som exporten stöder.",
+    "peppol_prepared_title": "Peppol-leverans förberedd",
+    "peppol_prepared_description": "En oföränderlig XML-kopia har sparats för spårbarhet. Fakturan har inte skickats till Peppol.",
+    "peppol_prepare_failed_title": "Kunde inte förbereda Peppol-leveransen",
+    "peppol_prepare_failed_description": "Fakturan kunde inte sparas som en förberedd Peppol-leverans.",
     "pdf_rerender_downloaded_title": "Nyskapad PDF nedladdad",
     "pdf_rerender_preview_title": "Nyskapad PDF visas",
     "pdf_preview_blocked_title": "Kunde inte öppna förhandsgranskningen",