Merge branch 'feat/workflows' - Add workflow execution and visualization features

This merge adds comprehensive workflow support including:
- New workflow DAG execution engine with loop, map, and switch nodes
- Workflow visualization components with FlowChart rendering
- Agent-to-workflow invocation via workflow_tool
- Structured input/output validation for workflows
- Integration tests for workflow scenarios

Co-Authored-By: Claude <[email protected]>

Author: solace-mdupls

.vscode/launch.json

@@ -41,6 +41,30 @@
                 "LOGGING_CONFIG_PATH": "${workspaceFolder}/preset/logging_config.yaml"
             }
         },
+        {
+            "name": "SAM (workflow)",
+            "type": "debugpy",
+            "request": "launch",
+            "module": "solace_ai_connector.main",
+            "console": "integratedTerminal",
+            "args": "--envfile .env examples/agents/orchestrator_example.yaml examples/agents/test_agent_example.yaml examples/agents/jira_bug_triage_workflow.yaml examples/gateways/webui_gateway_example.yaml examples/agents/advanced_workflow_test.yaml",
+            "justMyCode": false,
+            "env": {
+                "LOGGING_CONFIG_PATH": "${workspaceFolder}/preset/logging_config.yaml"
+            }
+        },
+        {
+            "name": "SAM (new node types)",
+            "type": "debugpy",
+            "request": "launch",
+            "module": "solace_ai_connector.main",
+            "console": "integratedTerminal",
+            "args": "--envfile .env examples/agents/orchestrator_example.yaml examples/gateways/webui_gateway_example.yaml examples/agents/all_node_types_workflow.yaml examples/agents/complex_branching_workflow.yaml examples/agents/workflow_to_workflow_example.yaml examples/agents/simple_nested_test.yaml",
+            "justMyCode": false,
+            "env": {
+                "LOGGING_CONFIG_PATH": "${workspaceFolder}/preset/logging_config.yaml"
+            }
+        },
         {
             "name": "SAM (preset)",
             "type": "debugpy",