refactor(agent-runner): remove protocol_version from various components and update related documentation

tests/unit_tests/agent/test_context_builder_params_state.py

@@ -159,4 +159,4 @@ class TestBuildAdapterContext:
 
         context = QueryEntryAdapter.build_adapter_context(query, binding=None)
 
-        assert context == {'params': {}, 'query_id': 123, 'prompt_get': False}
+        assert context == {'params': {}, 'query_id': 123}

tests/unit_tests/agent/test_context_builder_state.py

@@ -56,7 +56,6 @@ class TestContextAccessStateDetermination:
         """Create mock runner descriptor."""
         descriptor = MagicMock()
         descriptor.id = 'plugin:test/runner/default'
-        descriptor.protocol_version = '1.0'
         descriptor.permissions = {}
         return descriptor
 

tests/unit_tests/agent/test_context_validation.py

@@ -90,7 +90,6 @@ class TestContextValidation:
         """Create a mock runner descriptor."""
         descriptor = MagicMock()
         descriptor.id = "plugin:test/plugin/runner"
-        descriptor.protocol_version = "1"
         descriptor.permissions = {
             'history': ['page', 'search'],
             'events': ['get', 'page'],
@@ -145,8 +144,7 @@ class TestContextValidation:
         assert isinstance(validated.resources, AgentResources)
         assert validated.runtime is not None
         assert isinstance(validated.runtime, AgentRuntimeContext)
-        assert validated.runtime.protocol_version == "1"
-        assert "protocol_version" in validated.runtime.model_dump()
+        assert "protocol_version" not in validated.runtime.model_dump()
         assert "sdk_protocol_version" not in validated.runtime.model_dump()
         assert "sdk_protocol_version" not in context_dict["runtime"]
 

tests/unit_tests/agent/test_orchestrator_integration.py

@@ -153,7 +153,6 @@ def make_descriptor() -> AgentRunnerDescriptor:
         plugin_author="langbot",
         plugin_name="local-agent",
         runner_name="default",
-        protocol_version="1",
         capabilities={
             "streaming": True,
             "tool_calling": True,
@@ -591,7 +590,7 @@ class TestQueryEntryAdapterParams:
 
     @pytest.mark.asyncio
     async def test_prompt_not_pushed_into_adapter_extra(self, clean_agent_state):
-        """Pipeline prompt is not pushed into adapter.extra."""
+        """Pipeline prompt is not pushed into adapter.extra or exposed via prompt_get."""
         from langbot_plugin.api.entities.builtin.provider import prompt as provider_prompt
 
         db_engine = clean_agent_state
@@ -621,7 +620,7 @@ class TestQueryEntryAdapterParams:
         context = plugin_connector.contexts[0]
         assert "prompt" not in context
         assert "prompt" not in context["adapter"]["extra"]
-        assert context["context"]["available_apis"]["prompt_get"] is True
+        assert "prompt_get" not in context["context"]["available_apis"]
 
     @pytest.mark.asyncio
     async def test_params_filtering_keeps_public_param(self, clean_agent_state):

tests/unit_tests/agent/test_registry.py

@@ -45,7 +45,6 @@ class FakeApplication:
                                 'label': {'en_US': 'Local Agent'},
                             },
                             'spec': {
-                                'protocol_version': '1',
                                 'config': [],
                                 'capabilities': {'streaming': True},
                                 'permissions': {},
@@ -63,7 +62,6 @@ class FakeApplication:
                                 'label': {'en_US': 'Custom Agent'},
                             },
                             'spec': {
-                                'protocol_version': '1',
                                 'config': [{'name': 'param1', 'type': 'string'}],
                                 'capabilities': {},
                                 'permissions': {},
@@ -266,7 +264,7 @@ class TestDescriptorValidation:
 
         assert descriptor.id == 'plugin:test/my-runner/default'
         assert descriptor.get_plugin_id() == 'test/my-runner'
-        assert descriptor.protocol_version == '1'
+        assert 'protocol_version' not in AgentRunnerDescriptor.model_fields
 
     def test_descriptor_capabilities(self):
         """Descriptor capability helper methods."""

tests/unit_tests/agent/test_result_normalizer.py

@@ -35,7 +35,6 @@ def make_descriptor():
         plugin_author='langbot',
         plugin_name='local-agent',
         runner_name='default',
-        protocol_version='1',
         capabilities={'streaming': True},
     )
 

tests/unit_tests/agent/test_state_store.py

@@ -29,7 +29,6 @@ def make_descriptor(runner_id: str = 'plugin:test/my-runner/default') -> AgentRu
         plugin_author='test',
         plugin_name='my-runner',
         runner_name='default',
-        protocol_version='1',
         capabilities={'streaming': True},
     )