feat: preserve Jupyter MIME output in Streamlit

pyproject.toml

@@ -15,6 +15,7 @@ dependencies = [
     "langchain-openai>=1.6.0",
     "matplotlib>=3.11.1",
     "matplotlib-inline>=0.1.7",
+    "pydantic>=2.13.5",
     "uvicorn>=0.52.4",
     "wonderwords>=2.2.0",
 ]
@@ -25,6 +26,7 @@ ipython-shell = "ipython_shell.app:main"
 ipython-webapp = "ipython_webapp:main"
 ipython-jupyter-webapp = "ipython_webapp.jupyter.app:main"
 ipython-mcp = "ipython_mcp.app:main"
+ipython-st-demo = "st_demo.app:main"
 
 [build-system]
 requires = ["uv_build>=0.12.6,<0.13.0"]
@@ -32,3 +34,8 @@ build-backend = "uv_build"
 
 [tool.uv.build-backend]
 module-name = "ipython_shell"
+
+[dependency-groups]
+dev = [
+    "streamlit>=1.37",
+]