feat: consume Repo Manager classification publisher

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a053ff-1d6f-7fe2-ac1c-a6eb40a42a0c

tests/test_repo_manager_client.py

@@ -0,0 +1,68 @@
+from __future__ import annotations
+
+import asyncio
+import json
+
+import httpx
+import pytest
+
+from hub_core.runtime.config import RuntimeSettings
+from hub_core.runtime.repo_manager_client import HTTPRepoProjectionClient
+
+
+def test_http_repo_projection_client_forwards_cursor_and_bearer_token() -> None:
+    seen: list[httpx.Request] = []
+
+    async def handler(request: httpx.Request) -> httpx.Response:
+        seen.append(request)
+        return httpx.Response(200, json={"contract_id": "example"})
+
+    async def exercise() -> dict:
+        client = HTTPRepoProjectionClient(
+            "https://repo-manager.invalid",
+            api_token="test-token",
+            transport=httpx.MockTransport(handler),
+        )
+        try:
+            return dict(await client.fetch_classification_page("signed-cursor"))
+        finally:
+            await client.aclose()
+
+    payload = asyncio.run(exercise())
+
+    assert payload == {"contract_id": "example"}
+    assert seen[0].url.path == "/ports/repositories/classifications"
+    assert seen[0].url.params["cursor"] == "signed-cursor"
+    assert seen[0].headers["authorization"] == "Bearer test-token"
+
+
+def test_http_repo_projection_client_rejects_non_object_json() -> None:
+    async def handler(_: httpx.Request) -> httpx.Response:
+        return httpx.Response(200, content=json.dumps([]))
+
+    async def exercise() -> None:
+        client = HTTPRepoProjectionClient(
+            "http://repo-manager.invalid",
+            transport=httpx.MockTransport(handler),
+        )
+        try:
+            await client.fetch_classification_page(None)
+        finally:
+            await client.aclose()
+
+    with pytest.raises(ValueError, match="JSON object"):
+        asyncio.run(exercise())
+
+
+def test_runtime_settings_load_repo_projection_transport(monkeypatch: pytest.MonkeyPatch) -> None:
+    monkeypatch.setenv("HUB_CORE_REPO_MANAGER_BASE_URL", "http://repo-manager:8020")
+    monkeypatch.setenv("HUB_CORE_REPO_MANAGER_API_TOKEN", "token")
+    monkeypatch.setenv("HUB_CORE_REPO_MANAGER_TIMEOUT_SECONDS", "4.5")
+    monkeypatch.setenv("HUB_CORE_REPO_PROJECTION_REFRESH_SECONDS", "45")
+
+    settings = RuntimeSettings.from_env()
+
+    assert settings.repo_manager_base_url == "http://repo-manager:8020"
+    assert settings.repo_manager_api_token == "token"
+    assert settings.repo_manager_timeout_seconds == 4.5
+    assert settings.repo_projection_refresh_seconds == 45.0