Port Qwen row-map SwiGLU expert gathers

docs/issue112-row-map/provenance.json

@@ -0,0 +1,19 @@
+{
+  "baseline": "8965e77ea173c932e00f70759d0a83ac1c5072f0",
+  "mtplx": "9882703f3105363ddc37eca9f97aa09a1d387112",
+  "mlx": "0.32.2",
+  "artifact": "74559cdf34fbfc0b593de72d17e93f37fd4f9ea7",
+  "sha256": {
+    "metal/mtplx-moe-sorted-body.metal": "b639a135d2b9532d45c9587d94a503a093553078d8f5b5a9470c34d1bd9fca2e",
+    "metal/mtplx-moe-sorted-header.metal": "d3251a6cfcdbac5372c3e7e1f97720df48a91f0e456a44883c42b98cc8520e4a",
+    "metal/mtplx-runtime-0.32.2.metallib": "dc59d1cceb1a5c7e578232e6e41e28e2c73c9463ac6dbc3886c3ee17ffc270ed",
+    "/private/tmp/ds4-issue112-before-release-test": "9718805d3827bf5e998e2f574b48b7e453a45ed3de578ea9df6a450019aea0d6",
+    "/private/tmp/ds4-issue112-after-release-test": "9bcc33ddebe79fa026d7cb4a7c2a4dfcdba2645f66861a1e74778cf55e434912",
+    "/private/tmp/ds4-issue112-final-test": "f313f1ae0a43a05d359ce234977f00dba87ef8d1320034acf856592f2e2eba72"
+  },
+  "binary_scope": {
+    "before-release-test": "Full-chunk timing, hidden-state and family controls. The earlier default-tail run used the same baseline production source before the hidden-only test configuration was corrected.",
+    "after-release-test": "Default-tail and full-chunk timings; production identical to final-test.",
+    "final-test": "Final kernel, model, hidden-state, off-switch and family checks; corrected hidden-only test configuration."
+  }
+}