phase 0+1: project scaffold, k8s manifests, CI pipeline, steering, hooks, tests

- Repository structure for all services, infra, lakehouse, dashboards
- K8s manifests targeting stonks-oracle namespace with GHCR images
- Ingress via Traefik with ca-issuer TLS for internal services
- ConfigMap wired to existing cluster services (pg, redis, minio, ollama)
- GitHub Actions workflow for lint, test, multi-service container builds
- Dockerfile with build-arg CMD per service
- Makefile for local build/push/deploy
- Steering rules for TDD workflow, K8s conventions, project context
- Agent hooks for lint-on-save, test-on-save, k8s-validate, phase-commit
- Ruff linter config, all lint issues fixed
- 14 passing tests for schemas, config, redis keys
- PostgreSQL migrations, Trino catalogs, Superset config, MinIO lifecycle

.gitignore

@@ -0,0 +1,43 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.egg-info/
+dist/
+build/
+*.egg
+.eggs/
+venv/
+.venv/
+env/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Environment
+.env
+.env.local
+
+# Logs
+logs/
+*.log
+
+# Data
+data/
+output/
+
+# Docker
+.docker/
+
+# Test
+.pytest_cache/
+.coverage
+htmlcov/