refactor floating_domain to structured object-only payload

tests/test_schemas_v3.py

@@ -4,6 +4,7 @@ import pytest
 from pydantic import ValidationError
 
 from app.schemas import (
+    WsDomain,
     WsFrameType,
     WsHomeRequest,
     WsFloatingDomain,
@@ -195,28 +196,47 @@ def test_stream_end_deserializes():
 
 
 def test_floating_domain_tasks():
-    frame = WsFloatingDomain(request_id="r1", domain="tasks")
+    frame = WsFloatingDomain(request_id="r1", domain=WsDomain(type="task"))
     assert frame.type == WsFrameType.floating_domain
-    assert frame.domain == "tasks"
+    assert frame.domain.type == "task"
 
 
-@pytest.mark.parametrize("domain", ["tasks", "timelines", "notes", "projects"])
-def test_floating_domain_valid_domains(domain: str):
-    frame = WsFloatingDomain(request_id="r1", domain=domain)  # type: ignore[arg-type]
-    assert frame.domain == domain
+def test_floating_domain_valid_domains():
+    frame = WsFloatingDomain(
+        request_id="r1",
+        domain=WsDomain(type="project", id="213213-312321-312312-421321", section="task"),
+    )
+    assert frame.domain.type == "project"
+    assert frame.domain.id == "213213-312321-312312-421321"
+    assert frame.domain.section == "task"
 
 
-def test_floating_domain_invalid():
-    with pytest.raises(ValidationError):
-        WsFloatingDomain(request_id="r1", domain="invalid")  # type: ignore[arg-type]
+def test_floating_domain_object_valid():
+    frame = WsFloatingDomain(
+        request_id="r1",
+        domain=WsDomain(type="project", id="p1", section="task"),
+    )
+    assert frame.domain.type == "project"
 
 
 def test_floating_domain_serializes():
-    d = WsFloatingDomain(request_id="r1", domain="notes").model_dump()
-    assert d == {"type": "floating_domain", "request_id": "r1", "domain": "notes"}
+    d = WsFloatingDomain(
+        request_id="r1",
+        domain=WsDomain(type="timeline"),
+    ).model_dump()
+    assert d == {
+        "type": "floating_domain",
+        "request_id": "r1",
+        "domain": {"type": "timeline", "id": None, "section": None},
+    }
 
 
 def test_floating_domain_deserializes():
-    raw = {"type": "floating_domain", "request_id": "r1", "domain": "projects"}
+    raw = {
+        "type": "floating_domain",
+        "request_id": "r1",
+        "domain": {"type": "node", "id": "n-1", "section": None},
+    }
     frame = WsFloatingDomain.model_validate(raw)
-    assert frame.domain == "projects"
+    assert frame.domain.type == "node"
+    assert frame.domain.id == "n-1"