feat(cloud): attribute planner token usage

apps/device-host-agent/tests/test_cloud_planner_client.py

@@ -7,6 +7,7 @@ import pytest
 
 from host_agent.cloud_planner_client import CloudProxyToolCallingClient
 from host_agent.config import HostAgentConfig
+from host_agent.planner_context import PlannerExecutionContext, _context
 from runtime.tool_calling_client import ToolCallDecision, ToolCallUnavailable
 from runtime.tool_specs import ToolSpec
 
@@ -78,6 +79,34 @@ def test_decide_base64_encodes_screenshot() -> None:
     assert body["screenshot_base64"] == "aGVsbG8="
 
 
+def test_decide_includes_bound_assignment_context() -> None:
+    seen_requests: list[httpx.Request] = []
+
+    def handler(request: httpx.Request) -> httpx.Response:
+        seen_requests.append(request)
+        return httpx.Response(200, json={"tool_name": "tap", "arguments": {}})
+
+    client = _client(handler)
+    token = _context.set(
+        PlannerExecutionContext(task_id="task-a", attempt=2, lease_id="lease-a")
+    )
+    try:
+        client.decide(
+            system_prompt="sp",
+            user_prompt="up",
+            screenshot=None,
+            tools=_TOOLS,
+            timeout=10.0,
+        )
+    finally:
+        _context.reset(token)
+
+    body = json.loads(seen_requests[0].content)
+    assert body["task_id"] == "task-a"
+    assert body["attempt"] == 2
+    assert body["lease_id"] == "lease-a"
+
+
 def test_decide_raises_tool_call_unavailable_on_network_error() -> None:
     def handler(request: httpx.Request) -> httpx.Response:
         raise httpx.ConnectError("connection refused", request=request)