feat: production deployment - full update with providers, admin, glossaries, pricing, tests

Major changes across backend, frontend, infrastructure:
- Provider system with model selection (Google, DeepL, OpenAI, Ollama, Google Cloud)
- Admin panel: user management, pricing, settings
- Glossary system with CSV import/export
- Subscription and tier quota management
- Security hardening (rate limiting, API key auth, path traversal fixes)
- Docker compose for dev, prod, and IONOS deployment
- Alembic migrations for new tables
- Frontend: dashboard, pricing page, landing page, i18n (en/fr)
- Test suite and verification scripts

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

_bmad/_memory/storyteller-sidecar/stories-told.md

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+# Story Record Template
+
+Purpose: Record a log detailing the stories I have crafted over time for the user.
+
+## Narratives Told Table Record
+
+<!-- track stories created metadata with the user over time -->

_bmad/_memory/storyteller-sidecar/story-preferences.md

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+# Story Record Template
+
+Purpose: Record a log of learned users story telling or story building preferences.
+
+## User Preference Bullet List
+
+<!-- record any user preferences about story crafting the user prefers -->