merge: resolve requirements.txt conflict

Author: NadaBhm

requirements.txt

@@ -38,4 +38,15 @@ torch>=2.1.0
 numpy>=1.26.0
 
 # ========== Utils ==========
-python-dotenv>=1.0.0
+python-dotenv>=1.0.0
+# ========== Orchestration ==========
+langgraph>=0.1.0
+
+# ========== Testing ==========
+pytest>=8.0.0
+pytest-asyncio>=0.23.0
+pytest-cov>=5.0.0
+httpx>=0.27.0
+
+# ========== Report Generation (per spec book) ==========
+jinja2>=3.1.0