2b0798c768
Merges 11 commits covering full i18n of the padelnomics app:
- JSON locale files replacing all inline {% if lang %} blocks
- tformat Jinja2 filter for parameterized translations
- All public-facing templates: content, leads, directory, suppliers,
planner (Iteration 4)
- Auth-gated pages: dashboard, billing, supplier dashboard (all tabs),
business plan PDF (Iteration 5)
- Language detection fix for non-lang-prefixed routes (dashboard/billing)
- 1533 keys in en.json and de.json
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>