data(verify): promote records to verified (reality cross-reference)

Auto-promotions from the verification layer (green+live-source or crossref-confirm).
Each flip is verified:false->true only; see data/_verify/ledger.jsonl. Refs #1

Author: TechEngineBot

data/_verify/ledger.jsonl

@@ -8808,3 +8808,5 @@
 {"actor": "app.verify.promote", "category": "cpu", "decision": "promote", "hash": "65cd179e338f02c3", "new_verified": true, "path": "cpu/amd/2008/consumer/amd-phenom-9950-quad-core.json", "prev_verified": false, "reason": "green", "slug": "amd-phenom-9950-quad-core", "tier0": {"band": "green", "score": 77.9}, "ts": "2026-06-23T07:28:50Z"}
 {"actor": "app.verify.promote", "category": "cpu", "decision": "promote", "hash": "69756413b3139744", "new_verified": true, "path": "cpu/amd/2009/consumer/amd-athlon-64-fx-74.json", "prev_verified": false, "reason": "green", "slug": "amd-athlon-64-fx-74", "tier0": {"band": "green", "score": 77.9}, "ts": "2026-06-23T07:28:50Z"}
 {"actor": "app.verify.promote", "category": "cpu", "decision": "promote", "hash": "8c9faa12f0bbc114", "new_verified": true, "path": "cpu/amd/2009/consumer/amd-athlon-64-x2-ql-67.json", "prev_verified": false, "reason": "green", "slug": "amd-athlon-64-x2-ql-67", "tier0": {"band": "green", "score": 77.9}, "ts": "2026-06-23T07:28:50Z"}
+{"actor": "app.verify.promote", "category": "gpu", "decision": "promote", "hash": "b38db071fa99f747", "new_verified": true, "path": "gpu/nvidia/1999/consumer/geforce-256.json", "prev_verified": false, "reason": "crossref-confirm", "slug": "geforce-256", "tier0": {"band": "yellow", "score": 74.6}, "ts": "2026-06-29T09:09:24Z"}
+{"actor": "app.verify.promote", "category": "gpu", "decision": "promote", "hash": "075861ed37ce894b", "new_verified": true, "path": "gpu/nvidia/1999/consumer/riva-tnt2.json", "prev_verified": false, "reason": "crossref-confirm", "slug": "riva-tnt2", "tier0": {"band": "yellow", "score": 74.6}, "ts": "2026-06-29T09:09:24Z"}