Consolidate Odysseus agent harness and tool contracts

tests/test_review_model_gate.py

@@ -0,0 +1,30 @@
+import asyncio
+
+import pytest
+import src.llm_core as core
+
+
+@pytest.mark.asyncio
+async def test_exiting_foreground_does_not_decrement_other_waiters(monkeypatch):
+    monkeypatch.setattr(core, "_LOCAL_MODEL_LOCKS", {})
+    monkeypatch.setattr(core, "_LOCAL_MODEL_CURRENT", {})
+    monkeypatch.setattr(core, "_LOCAL_MODEL_WAITING_FOREGROUND", {})
+    monkeypatch.setattr(core, "_local_model_gate_enabled", lambda: True)
+    monkeypatch.setattr(core, "is_local_endpoint", lambda url: True)
+    url = "http://local.test/v1"
+    key = core._local_model_gate_key(url)
+    entered, release = asyncio.Event(), asyncio.Event()
+    async def waiter():
+        async with core._local_model_slot(url, "test"):
+            entered.set()
+            await release.wait()
+    async with core._local_model_slot(url, "test"):
+        task = asyncio.create_task(waiter())
+        await asyncio.sleep(0)
+        assert core._LOCAL_MODEL_WAITING_FOREGROUND[key] == 1
+    # The queued request has not resumed yet, so it must still be counted.
+    assert core._LOCAL_MODEL_WAITING_FOREGROUND[key] == 1
+    await entered.wait()
+    assert core._LOCAL_MODEL_WAITING_FOREGROUND[key] == 0
+    release.set()
+    await task