Refactor code structure for improved readability and maintainability; optimize performance in key functions.

docs/schemas/spdx-jsonld-3.0.1.schema.json

@@ -0,0 +1,29 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://stellaops.io/schemas/spdx-jsonld-3.0.1.schema.json",
+  "title": "SPDX 3.0.1 JSON-LD (minimal)",
+  "type": "object",
+  "required": ["@context", "@graph"],
+  "properties": {
+    "@context": {
+      "const": "https://spdx.org/rdf/3.0.1/spdx-context.jsonld"
+    },
+    "@graph": {
+      "type": "array",
+      "minItems": 1,
+      "items": {
+        "type": "object",
+        "required": ["type"],
+        "properties": {
+          "type": { "type": "string" },
+          "spdxId": { "type": "string" },
+          "@id": { "type": "string" }
+        },
+        "anyOf": [
+          { "required": ["spdxId"] },
+          { "required": ["@id"] }
+        ]
+      }
+    }
+  }
+}