Feature: Stream Router Coverage
  As a developer
  I want to exercise reactive stream router behaviors
  So that stream_router.py is covered in actor-first mode

# TODO: Uncomment when step definitions are implemented
#   Background:
#     Given a reactive stream router harness
#
#   Scenario: Create replay stream with buffer size
#     Given I have a replay stream configuration:
#       """
#       {"name": "replay_stream", "type": "replay", "buffer_size": 5, "operators": []}
#       """
#     When I create the reactive stream
#     Then the stream should be created successfully
#
#   Scenario: Create hot stream with initial value
#     Given I have a hot stream configuration:
#       """
#       {"name": "hot_stream", "type": "hot", "initial_value": "initial_data", "operators": []}
#       """
#     When I create the reactive stream
#     Then the stream should be created successfully
#
#   Scenario: Stream creation with existing name should fail
#     Given I have a stream configuration:
#       """
#       {"name": "existing_stream", "type": "cold", "operators": []}
#       """
#     When I create the reactive stream
#     And I try to create another stream with the same name
#     Then I should get a stream router coverage error
#
#   Scenario: Create agent mapper with tool agent
#     Given I have a tool agent named "echo_agent" with echo tool
#     And I have a stream configuration with agent mapper:
#       """
#       {"name": "agent_stream", "type": "cold", "operators": [{"type": "map", "params": {"agent": "echo_agent"}}]}
#       """
#     When I create the reactive stream
#     And I send router message "hello" to stream "agent_stream"
#     Then the stream should be created successfully
#
#
#   Scenario: Create agent mapper with missing agent should fail
#     Given I have a stream configuration with missing agent:
#       """
#       {"name": "missing_agent_stream", "type": "cold", "operators": [{"type": "map", "params": {"agent": "nonexistent_agent"}}]}
#       """
#     When I try to create the reactive stream
#     Then I should get a stream router coverage error about missing agent
#
#   Scenario: Transform operator with extract_field transform
#     Given I have a stream configuration with extract transform:
#       """
#       {"name": "extract_stream", "type": "cold", "operators": [{"type": "map", "params": {"transform": {"type": "extract_field", "field": "data"}}}]}
#       """
#     When I create the reactive stream
#     And I send a dictionary message with field "data"
#     Then the field value should be extracted
#
#   Scenario: Unknown operator should fail
#     Given I have a stream configuration with unknown operator:
#       """
#       {"name": "unknown_stream", "type": "cold", "operators": [{"type": "unknown_operator"}]}
#       """
#     When I try to create the reactive stream
#     Then I should get a stream router coverage error about unknown operator
#
#   Scenario: LangGraph operators without bridge should fail
#     Given I have a stream configuration with LangGraph operator:
#       """
#       {"name": "langgraph_stream", "type": "cold", "operators": [{"type": "graph_execute", "params": {}}]}
#       """
#     When I try to create the reactive stream
#     Then I should get a stream router coverage error about LangGraph bridge
#
#   Scenario: Stream message copy_with functionality
#     Given I have a stream message for router testing
#     When I copy the message with modifications
#     Then the new message should have the modifications
#     And the original message should be unchanged
#
#   Scenario: Agent mapper with None message handling
#     Given I have a tool agent named "none_agent" with echo tool
#     And I have a stream configuration with agent mapper:
#       """
#       {"name": "none_stream", "type": "cold", "operators": [{"type": "map", "params": {"agent": "none_agent"}}]}
#       """
#     When I create the reactive stream
#     And I send router None message to stream "none_stream"
#     Then the agent should handle None gracefully
#
#
#   Scenario: Stream disposal
#     Given I have a stream for router testing
#     When I dispose of the stream router
#     Then the stream router should be disposed properly
#
#   Scenario: Message with timestamp
#     Given I have a stream for router testing
#     When I send a message to check timestamp
#     Then the message should have a timestamp
#
#   Scenario: Filter operator with equals condition
#     Given I have a stream configuration with equals filter:
#       """
#       {"name": "equals_filter", "type": "cold", "operators": [{"type": "filter", "params": {"condition": {"equals": "match"}}}]}
#       """
#     When I create the reactive stream
#     Then the stream should be created successfully
#
#   Scenario: Filter operator with field presence condition
#     Given I have a stream configuration with field condition:
#       """
#       {"name": "field_filter", "type": "cold", "operators": [{"type": "filter", "params": {"condition": {"field": "test_key"}}}]}
#       """
#     When I create the reactive stream
#     Then the stream should be created successfully
#
#   Scenario: Buffer and window operators
#     Given I have a stream configuration with buffer and window:
#       """
#       {"name": "buffer_window", "type": "cold", "operators": [
#         {"type": "buffer", "params": {"count": 2, "timeout": 0.01}},
#         {"type": "window", "params": {"count": 1}}
#       ]}
#       """
#     When I create the reactive stream
#     Then the stream should be created successfully
#
#   Scenario: Take, skip, and merge operators
#     Given I have a stream configuration with take skip merge:
#       """
#       {"name": "take_skip_merge", "type": "cold", "operators": [
#         {"type": "take", "params": {"count": 1}},
#         {"type": "skip", "params": {"count": 0}},
#         {"type": "merge", "params": {"streams": ["__input__"]}}
#       ]}
#       """
#     When I create the reactive stream
#     Then the stream should be created successfully
#
#   Scenario: Accumulate operator
#     Given I have a stream configuration with accumulate:
#       """
#       {"name": "accumulate_stream", "type": "cold", "operators": [
#         {"type": "accumulate", "params": {"accumulator": {"op": "sum"}}}
#       ]}
#       """
#     When I create the reactive stream
#     Then the stream should be created successfully
#
#   Scenario: Switch/conditional routing operator
#     Given I have a stream configuration with switch operator:
#       """
#       {"name": "switch_stream", "type": "cold", "operators": [
#         {"type": "switch", "params": {
#           "cases": [
#             {"condition": {"equals": "yes"}, "target": "__output__"}
#           ],
#           "default": "__output__"
#         }}
#       ]}
#       """
#     When I create the reactive stream
#     Then the stream should be created successfully