feat: add workflow rpc transport params

tests/wf_transport_rpc_http/test_models.py

@@ -0,0 +1,58 @@
+from __future__ import annotations
+
+import pytest
+from pydantic import ValidationError
+
+from wf_transport_rpc_http.models import (
+    InspectCapabilityParams,
+    ListCapabilitiesParams,
+    ReadRunTraceParams,
+    StartRunParams,
+    TraceRangeParams,
+)
+
+
+def test_trace_range_params_converts_to_api_trace_range() -> None:
+    trace_range = TraceRangeParams(start=2, limit=5).to_api_trace_range()
+
+    assert trace_range.start == 2
+    assert trace_range.limit == 5
+
+
+def test_trace_range_params_rejects_invalid_values() -> None:
+    with pytest.raises(ValidationError):
+        TraceRangeParams(start=-1, limit=5)
+
+    with pytest.raises(ValidationError):
+        TraceRangeParams(start=0, limit=0)
+
+    with pytest.raises(ValidationError):
+        TraceRangeParams(start=0, limit=101)
+
+
+def test_capability_params_are_explicit_models() -> None:
+    listed = ListCapabilitiesParams(query="echo", source_id="wf.std", limit=10)
+    inspected = InspectCapabilityParams(qualified_name="wf.std.constant")
+
+    assert listed.query == "echo"
+    assert listed.source_id == "wf.std"
+    assert listed.limit == 10
+    assert inspected.qualified_name == "wf.std.constant"
+
+
+def test_run_params_are_explicit_models() -> None:
+    started = StartRunParams(
+        deployment_id="demo.default",
+        workflow_input={"message": "hello"},
+        trace_range=TraceRangeParams(start=0, limit=3),
+    )
+    trace = ReadRunTraceParams(
+        run_id="run_demo",
+        trace_range=TraceRangeParams(start=0, limit=1),
+    )
+
+    assert started.deployment_id == "demo.default"
+    assert started.workflow_input["message"] == "hello"
+    assert started.trace_range is not None
+    assert trace.run_id == "run_demo"
+    assert trace.trace_range.limit == 1