Implement worker coordination runtime and finish WP-0003

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a07b5b-ea58-7ad2-bdbb-0b1c995cfc35

tests/test_live.py

@@ -0,0 +1,23 @@
+"""Opt-in read-only smoke; never injects a message or starts a worker."""
+
+import os
+
+import pytest
+
+from coordination_engine.adapters import Hub, Tamq, registry
+from coordination_engine.config import Config
+
+
+@pytest.mark.live
+@pytest.mark.skipif(
+    os.environ.get("COORDINATION_LIVE_SMOKE") != "1",
+    reason="set COORDINATION_LIVE_SMOKE=1 explicitly",
+)
+def test_local_adapter_discovery():
+    config = Config.load()
+    assert "coordination-engine" in registry()
+    assert isinstance(Hub(config).request("/repos/"), list)
+    hello = Tamq(config).request("ping")
+    assert {"bounded_delivery_ack_v1", "idempotent_send_v1"} <= set(
+        hello["capabilities"]
+    )