Merge branch 'master' into run-imp

examples/basic_chat_actor.yaml

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+# Basic Reactive Chat Configuration - Actor-First Version
+# Simple conversational agent using actors instead of provider/model
+
+agents:
+  chat_agent:
+    type: llm
+    config:
+      # Use actor instead of provider/model
+      actor: openai/gpt-4
+      temperature: 0.8
+      system_prompt: |
+        You are a helpful and friendly AI assistant.
+        Respond naturally and conversationally.
+
+# Unified routes section with actor-first approach
+routes:
+  # Main chat processing route
+  chat_stream:
+    type: stream
+    stream_type: cold
+    operators:
+      - type: map
+        params:
+          agent: chat_agent
+    publications:
+      - __output__
+
+# Simple flow: input -> chat -> output
+merges:
+  - sources: [__input__]
+    target: chat_stream
+
+context:
+  global:
+    conversation_mode: true
+    # Actor-specific context variables
+    default_actor: openai/gpt-4

examples/simple_langgraph_actor.yaml

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+# Simple LangGraph Example - Actor-First Version
+# Demonstrates basic LangGraph functionality with actors
+
+agents:
+  assistant:
+    type: llm
+    config:
+      # Use actor instead of provider/model
+      actor: openai/gpt-3.5-turbo
+      temperature: 0.7
+      system_prompt: "You are a helpful assistant."
+
+# Unified routes section with actor-first approach
+routes:
+  # Define the graph as a route
+  simple_chat:
+    type: graph
+    entry_point: start
+    
+    nodes:
+      # Process user input
+      process_input:
+        type: agent
+        agent: assistant
+        
+    edges:
+      - source: start
+        target: process_input
+      - source: process_input
+        target: end
+  
+  # Input stream that triggers the graph
+  chat_input:
+    type: stream
+    stream_type: cold
+    operators:
+      - type: graph_execute
+        params:
+          graph: simple_chat
+    publications:
+      - __output__
+
+# Route input to the stream
+merges:
+  - sources: [__input__]
+    target: chat_input
+
+context:
+  global:
+    app_name: "Simple LangGraph Chat"
+    # Actor-specific configuration
+    default_actor: openai/gpt-3.5-turbo
+    enable_actor_fallback: true