chore(qsl): align canonical strategy metadata (#84)

Co-authored-by: Codex <noreply@openai.com>

Author: Pigbibi

qsl.toml

@@ -1,8 +1,8 @@
-tier = "strategy-library"
-ring = 1
+tier = "strategy-lib"
+upgrade_ring = "ring_b"
 
 [compat]
-bundle = "2026.07.2"
+bundle = "2026.07.3"
 requires = [
   "pandas>=2.0",
   "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@37c81901160c5b31127a27dba1c63944933fb6bf",

tests/test_qsl_compat_metadata.py

@@ -8,5 +8,5 @@ def test_qsl_compat_metadata_exists_and_bundle() -> None:
     with qsl_path.open("rb") as f:
         data = tomllib.load(f)
 
-    assert data.get("compat", {}).get("bundle") == "2026.07.2", "compat.bundle mismatch"
+    assert data.get("compat", {}).get("bundle") == "2026.07.3", "compat.bundle mismatch"