chore(qsl): align canonical research metadata

Co-Authored-By: Codex <noreply@openai.com>

Author: Pigbibi

qsl.toml

@@ -1,7 +1,7 @@
 [qsl]
 repo = "PoliticalEventTrackingResearch"
-tier = "research"
-ring = 2
+tier = "pipeline"
+upgrade_ring = "ring_c"
 allow_legacy = false
 
 [qsl.compat]

tests/test_qsl_metadata.py

@@ -12,8 +12,8 @@ def test_qsl_metadata_has_compat_bundle() -> None:
         data = tomllib.load(f)
 
     qsl = data["qsl"]
-    assert qsl["tier"] == "research"
-    assert qsl["ring"] == 2
+    assert qsl["tier"] == "pipeline"
+    assert qsl["upgrade_ring"] == "ring_c"
     assert qsl.get("repo") == "PoliticalEventTrackingResearch"
     compat = qsl["compat"]
     assert compat["bundle"] == "2026.07.1"