chore: ignore translatable strings from frappe and erpnext

[barredterra]

Updates hooks.py to exclude translatable strings from frappe and erpnext in our translation files. Regenerates translation files and adds missing translations.

[greptile-apps]

Greptile Summary

This PR configures the eu_einvoice app to exclude generic strings already provided by frappe and erpnext from its own translation catalog, then regenerates the .pot template and de.po German translation to reflect the reduced string set.

• hooks.py: Adds ignore_translatable_strings_from = [\"frappe\", \"erpnext\"], a Frappe hook that tells the translation extractor to skip any msgid already defined in those upstream apps.
• de.po / main.pot: Removes ~60 duplicate entries (generic DocType labels, role names, common UI strings) that frappe/erpnext already translate, while updating several app-specific translations (e.g., \"Default VAT exemption reason\", \"E-Invoicing\", \"Purchase Order Row\") and bumping source-file line references throughout.

Confidence Score: 5/5

Safe to merge — changes are limited to the Frappe hooks config and auto-generated translation catalogs with no runtime logic affected.

The only code change is adding a single configuration key in hooks.py; the .po/.pot files are generated artifacts. Removed entries are generic frappe/erpnext strings (role names, standard field labels, common UI actions) that the upstream apps already translate, so end-users will continue to see correct German strings served from those apps' catalogs. A handful of previously-empty de.po entries now carry German translations, which is a net improvement.

No files require special attention.

Important Files Changed

Filename	Overview
eu_einvoice/hooks.py	Adds ignore_translatable_strings_from = ["frappe", "erpnext"] hook to exclude upstream app strings from this app's translation extraction.
eu_einvoice/locale/de.po	Removes ~60 generic string entries duplicated from frappe/erpnext, updates several previously-empty German translations, and updates source-file line references.
eu_einvoice/locale/main.pot	Template catalog regenerated in sync with de.po: same string removals and updated line references, creation date bumped to 2026-05-12.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[bench translate eu_einvoice] --> B{ignore_translatable_strings_from?}
    B -- Yes --> C[Load string catalog from frappe]
    C --> D[Load string catalog from erpnext]
    D --> E[Extract strings from eu_einvoice source]
    E --> F[Filter: remove strings already in frappe or erpnext]
    F --> G[Write main.pot template]
    G --> H[Update de.po from template]
    B -- No --> I[Extract ALL strings from eu_einvoice]
    I --> J[Write main.pot with duplicates]

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