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>

.opencode/command/bmad-bmb-validate-module.md

@@ -0,0 +1,17 @@
+---
+name: 'validate-module'
+description: 'Run compliance check on BMAD modules against best practices'
+---
+
+Execute the BMAD 'validate-module' workflow.
+
+CRITICAL: You must load and follow the workflow definition exactly.
+
+WORKFLOW INSTRUCTIONS:
+
+1. LOAD the workflow file from {project-root}/_bmad/bmb/workflows/module/workflow-validate-module.md
+2. READ its entire contents
+3. FOLLOW every step precisely as specified
+4. DO NOT skip or modify any steps
+
+WORKFLOW FILE: {project-root}/_bmad/bmb/workflows/module/workflow-validate-module.md