chore: bump QPK artifact workflow pin

.github/workflows/drift-check.yml

@@ -199,7 +199,7 @@ jobs:
       contents: read
       issues: write
       id-token: write
-    uses: QuantStrategyLab/QuantPlatformKit/.github/workflows/reusable-drift-check.yml@bb91e4cad1a32d58dc0e4023f1cbe0c7ec150d81
+    uses: QuantStrategyLab/QuantPlatformKit/.github/workflows/reusable-drift-check.yml@6b887d9954eb656141597eac077ca22053a525ef
     with:
       strategy_domain: crypto
       caller_event_name: ${{ github.event_name }}
@@ -208,7 +208,7 @@ jobs:
       snapshot_checkout_path: external/CryptoLivePoolPipelines
       snapshot_repository_ref: ${{ needs.preflight_backtests.outputs.snapshot_repository_ref }}
       ai_gateway_service_url: ${{ vars.AI_GATEWAY_SERVICE_URL }}
-      quant_platform_kit_ref: bb91e4cad1a32d58dc0e4023f1cbe0c7ec150d81
+      quant_platform_kit_ref: 6b887d9954eb656141597eac077ca22053a525ef
       lifecycle_preflight_artifact: lifecycle-preflight-${{ github.run_id }}-${{ github.run_attempt }}
     secrets:
       codex_audit_service_url: ${{ secrets.CODEX_AUDIT_SERVICE_URL }}

pyproject.toml

@@ -9,7 +9,7 @@ description = "Shared crypto strategy catalog and implementations"
 readme = "README.md"
 requires-python = ">=3.11"
 dependencies = [
-  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@bb91e4cad1a32d58dc0e4023f1cbe0c7ec150d81",
+  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@6b887d9954eb656141597eac077ca22053a525ef",
 ]
 
 [tool.setuptools]

qsl.toml

@@ -4,5 +4,5 @@ upgrade_ring = "ring_b"
 [compat]
 bundle = "2026.08.0"
 requires = [
-  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@bb91e4cad1a32d58dc0e4023f1cbe0c7ec150d81",
+  "quant-platform-kit @ git+https://github.com/QuantStrategyLab/QuantPlatformKit.git@6b887d9954eb656141597eac077ca22053a525ef",
 ]

tests/test_drift_workflow_config.py

@@ -19,7 +19,7 @@ def test_drift_workflow_wires_real_pipeline_inputs_and_preflight_bundle() -> Non
     assert "research_panel.csv.gz" in workflow
     assert "market_history.csv.gz" in workflow
     assert "repository: QuantStrategyLab/QuantPlatformKit" in workflow
-    assert "ref: bb91e4cad1a32d58dc0e4023f1cbe0c7ec150d81" in workflow
+    assert "ref: 6b887d9954eb656141597eac077ca22053a525ef" in workflow
     assert "python -m pip install --no-deps -e external/QuantPlatformKit" in workflow
     assert "scripts/run_walk_forward_backtest.py" in workflow
     assert '"--list-profiles"' in workflow
@@ -29,7 +29,7 @@ def test_drift_workflow_wires_real_pipeline_inputs_and_preflight_bundle() -> Non
     assert "Upload lifecycle preflight artifact" in workflow
     assert "lifecycle-preflight-${{ github.run_id }}-${{ github.run_attempt }}" in workflow
     assert workflow.count("github.ref == format('refs/heads/{0}', github.event.repository.default_branch)") == 2
-    assert "uses: QuantStrategyLab/QuantPlatformKit/.github/workflows/reusable-drift-check.yml@bb91e4cad1a32d58dc0e4023f1cbe0c7ec150d81" in workflow
+    assert "uses: QuantStrategyLab/QuantPlatformKit/.github/workflows/reusable-drift-check.yml@6b887d9954eb656141597eac077ca22053a525ef" in workflow
     assert "strategy_domain: crypto" in workflow
     assert "snapshot_repository: QuantStrategyLab/CryptoLivePoolPipelines" in workflow
     assert "snapshot_checkout_path: external/CryptoLivePoolPipelines" in workflow

tests/test_qsl_compat_metadata.py

@@ -3,7 +3,7 @@
 
 
 ROOT = Path(__file__).resolve().parents[1]
-QPK_REVISION = "bb91e4cad1a32d58dc0e4023f1cbe0c7ec150d81"
+QPK_REVISION = "6b887d9954eb656141597eac077ca22053a525ef"
 QPK_URL = (
     "quant-platform-kit @ git+https://github.com/QuantStrategyLab/"
     f"QuantPlatformKit.git@{QPK_REVISION}"