Add PDF download button to dashboard

src/py_dvt_ate/app/dashboard/app.py

@@ -876,6 +876,51 @@ def results_viewer_page() -> None:
                 if selected_run.description:
                     st.markdown(f"**Description:** {selected_run.description}")
 
+            # PDF Report Generation
+            st.markdown("### Export Report")
+            col_btn, col_status = st.columns([1, 3])
+
+            with col_btn:
+                generate_pdf = st.button("Generate PDF Report", type="primary")
+
+            if generate_pdf:
+                try:
+                    from py_dvt_ate.reporting import ReportConfig, ReportGenerator
+
+                    report_config = ReportConfig(
+                        company_name="py_dvt_ate",
+                        include_charts=True,
+                        chart_dpi=150,
+                    )
+                    generator = ReportGenerator(
+                        repository=repository,
+                        config=report_config,
+                    )
+
+                    with st.spinner("Generating PDF report..."):
+                        pdf_bytes = generator.generate_bytes(UUID(selected_run.id))
+
+                    st.session_state.pdf_bytes = pdf_bytes
+                    st.session_state.pdf_filename = f"{selected_run.test_name}_{selected_run.id[:8]}.pdf"
+                    st.success("PDF generated successfully!")
+
+                except ImportError:
+                    st.error(
+                        "PDF generation requires additional dependencies. "
+                        "Install with: `pip install py_dvt_ate[reports]`"
+                    )
+                except Exception as e:
+                    st.error(f"Failed to generate PDF: {e}")
+
+            # Show download button if PDF was generated
+            if "pdf_bytes" in st.session_state and st.session_state.pdf_bytes:
+                st.download_button(
+                    label="Download PDF",
+                    data=st.session_state.pdf_bytes,
+                    file_name=st.session_state.get("pdf_filename", "report.pdf"),
+                    mime="application/pdf",
+                )
+
             if selected_run.config_json:
                 import json
                 with st.expander("Test Configuration"):