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- Legal feasibility check vs CanG (Konsumcannabisgesetz): LEGAL as B2B Vereinsverwaltungs-Software - B2B SaaS for Anbauvereinigungen: member management, distribution tracking, compliance reports - Tech stack: Spring Boot 3.x (Java 21) + JPA/Hibernate, PrimeFaces MVP, PostgreSQL + Flyway - Mobile: PWA → Kotlin Android → Kotlin Multiplatform (natural path for Java developer) - Revenue model: freemium (free ≤30 members), paid tiers €29-€179/month - Market: 500-3000 clubs forming, zero dedicated tooling exists (first mover window) - Also adds BIGMIND_HOSTED_MVP.md (BigMind SaaS vision plan)