refacto: add build and cleanup file structure

src/views.sql

@@ -0,0 +1,35 @@
+-- =============================================================================
+-- VIEWS
+-- =============================================================================
+-- Views represent abstract object categories in OrBAC
+-- These are global abstractions (not org-scoped)
+
+CREATE TABLE morbac.views (
+    name TEXT PRIMARY KEY,
+    description TEXT,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+COMMENT ON TABLE morbac.views IS 'Views - abstract object categories in OrBAC model (global)';
+COMMENT ON COLUMN morbac.views.name IS 'View name (unique, global)';
+
+-- =============================================================================
+-- VIEW HIERARCHY
+-- =============================================================================
+-- Views can inherit from other views
+-- e.g., "confidential_documents" is a "documents", "admin_reports" is a "reports"
+
+CREATE TABLE morbac.view_hierarchy (
+    senior_view TEXT NOT NULL REFERENCES morbac.views(name) ON DELETE CASCADE,
+    junior_view TEXT NOT NULL REFERENCES morbac.views(name) ON DELETE CASCADE,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+    PRIMARY KEY (senior_view, junior_view),
+    CHECK (senior_view != junior_view)
+);
+
+CREATE INDEX idx_view_hierarchy_senior ON morbac.view_hierarchy(senior_view);
+CREATE INDEX idx_view_hierarchy_junior ON morbac.view_hierarchy(junior_view);
+
+COMMENT ON TABLE morbac.view_hierarchy IS 'View hierarchy - senior views inherit from junior views';
+COMMENT ON COLUMN morbac.view_hierarchy.senior_view IS 'Senior view (more specific)';
+COMMENT ON COLUMN morbac.view_hierarchy.junior_view IS 'Junior view (more general)';