pod_http: delegate ordinary URLs to requests' own verbs

So callers and tests that patch requests.get/post keep working; only
https-to-a-bare-IP takes the pinned path.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0182DhR1eFNPQyGmDrpHbedY

codai/api/pod_http.py

@@ -92,13 +92,21 @@ def request(method: str, url: str, **kw):
     return requests.request(method, url, **kw)
 
 
+# The verb helpers delegate to requests' own verbs for ordinary URLs, not to
+# requests.request: callers (and tests) that patch requests.get keep working.
 def get(url: str, **kw):
-    return request("GET", url, **kw)
+    if is_pinned_url(url):
+        return request("GET", url, **kw)
+    return requests.get(url, **kw)
 
 
 def post(url: str, **kw):
-    return request("POST", url, **kw)
+    if is_pinned_url(url):
+        return request("POST", url, **kw)
+    return requests.post(url, **kw)
 
 
 def head(url: str, **kw):
-    return request("HEAD", url, **kw)
+    if is_pinned_url(url):
+        return request("HEAD", url, **kw)
+    return requests.head(url, **kw)

tests/test_burst_placement.py

@@ -454,7 +454,7 @@ def test_venv_on_volume_uses_a_small_image_and_the_volumes_venv(monkeypatch):
     script = plan["start_cmd"][0]
     assert "/workspace/venvs/embeddings" in script
     assert "profiles/embeddings.txt" in script      # the right profile installed
-    assert script.rstrip().endswith("--port 8000")
+    assert "--port 8000" in script.rstrip().splitlines()[-1]   # (+ TLS args when sent)
 
 
 def test_venv_on_volume_without_a_volume_is_refused(monkeypatch):