feat: add knowledge-driven joint design studio

backend/tests/test_knowledge_base.py

@@ -0,0 +1,21 @@
+from __future__ import annotations
+
+import subprocess
+import sys
+from pathlib import Path
+
+
+BACKEND_ROOT = Path(__file__).resolve().parents[1]
+
+
+def test_detached_knowledge_base_is_consistent() -> None:
+    completed = subprocess.run(
+        [sys.executable, "knowledge/tools/validate_knowledge.py"],
+        cwd=BACKEND_ROOT,
+        check=False,
+        capture_output=True,
+        text=True,
+    )
+    assert completed.returncode == 0, completed.stdout + completed.stderr
+    assert "integration_state=not_connected" in completed.stdout
+    assert "stable_kernel_imports=0" in completed.stdout