Update .gitignore to include .env and .DS_Store files

Add .cursor autodevelopment system

.cursor/skills/plan/steps/07_quality-checklist.md

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+## Quality Checklist (before FINAL_report.md)
+
+Before writing the final report, verify ALL of the following:
+
+### Blackbox Tests
+- [ ] Every acceptance criterion is covered in traceability-matrix.md
+- [ ] Every restriction is verified by at least one test
+- [ ] Positive and negative scenarios are balanced
+- [ ] Docker environment is self-contained
+- [ ] Consumer app treats main system as black box
+- [ ] CI/CD integration and reporting defined
+
+### Architecture
+- [ ] Covers all capabilities from solution.md
+- [ ] Technology choices are justified
+- [ ] Deployment model is defined
+- [ ] Blackbox test findings are reflected in architecture decisions
+
+### Data Model
+- [ ] Every entity from architecture.md is defined
+- [ ] Relationships have explicit cardinality
+- [ ] Migration strategy with reversibility requirement
+- [ ] Seed data requirements defined
+- [ ] Backward compatibility approach documented
+
+### Deployment
+- [ ] Containerization plan covers all components
+- [ ] CI/CD pipeline includes lint, test, security, build, deploy stages
+- [ ] Environment strategy covers dev, staging, production
+- [ ] Observability covers logging, metrics, tracing, alerting
+- [ ] Deployment procedures include rollback and health checks
+
+### Components
+- [ ] Every component follows SRP
+- [ ] No circular dependencies
+- [ ] All inter-component interfaces are defined and consistent
+- [ ] No orphan components (unused by any flow)
+- [ ] Every blackbox test scenario can be traced through component interactions
+
+### Risks
+- [ ] All High/Critical risks have mitigations
+- [ ] Mitigations are reflected in component/architecture docs
+- [ ] User has confirmed risk assessment is sufficient
+
+### Tests
+- [ ] Every acceptance criterion is covered by at least one test
+- [ ] All 4 test types are represented per component (where applicable)
+- [ ] Test data management is defined
+
+### Epics
+- [ ] "Bootstrap & Initial Structure" epic exists
+- [ ] "Blackbox Tests" epic exists
+- [ ] Every component maps to an epic
+- [ ] Dependency order is correct
+- [ ] Acceptance criteria are measurable
+
+**Save action**: Write `FINAL_report.md` using `templates/final-report.md` as structure