refactor: remove portal deployment coupling

harness/tests/test_local_compose_contract.py

@@ -0,0 +1,33 @@
+from pathlib import Path
+
+import yaml
+
+
+def test_local_compose_uses_the_generic_external_endpoint_contract():
+    root = Path(__file__).resolve().parents[2]
+    compose = yaml.safe_load((root / "compose.yaml").read_text())
+    local = yaml.safe_load((root / "deploy/compose.local.yaml").read_text())
+
+    assert set(compose["services"]) == {"core", "frontend"}
+    assert local["services"]["core"]["environment"]["AUTH_MODE"] == "none"
+    assert local["services"]["core"]["ports"] == ["127.0.0.1:${THOTH_CORE_HTTP_PORT:-8787}:8787"]
+    assert local["services"]["frontend"]["ports"] == ["127.0.0.1:${THOTH_HTTP_PORT:-8080}:8080"]
+
+    environment = compose["services"]["core"]["environment"]
+    for name in ("THT_DWH_REST_URL", "THT_VEC_REST_URL", "THT_OLLAMA_URL", "THT_LLM_URL"):
+        assert name in environment
+    assert {"settings", "pi-state", "workspace-registry", "sessions"} <= set(compose["volumes"])
+
+
+def test_core_image_prepares_the_writable_pi_profile_before_mounting_config_files():
+    root = Path(__file__).resolve().parents[2]
+    dockerfile = (root / "docker/core.Dockerfile").read_text()
+
+    assert "mkdir -p /home/thoth/.pi/agent" in dockerfile
+    assert "chown -R thoth:thoth /home/thoth/.pi" in dockerfile
+    assert (
+        "cp --remove-destination /app/harness/workspaces/local.yaml "
+        "/app/harness/config/tht.yaml" in dockerfile
+    )
+    assert "ln -sf /app/harness/workspaces/local.yaml /app/harness/config/tht.yaml" not in dockerfile
+    assert "ln -sfn /app/harness/config/tht.yaml /app/harness/workspaces/" not in dockerfile