收束promotion候选证据

结论：按text22铁律完成promotion-candidates双层证据管理，baseline保持28/28/131/0，Python remap、tool DB、external user-M hard block继续locked。

wasm-port/docs/compatibility-validation.md

@@ -238,6 +238,16 @@ ready while the Node inventory baseline remains unchanged, and
 inventory baseline. The current direct inventory `promotion_allowed=1` count
 is zero: all skipped main rows are still hard-blocked by `L4-PYTHON-REMAP`,
 `L4-TOOL-DB`, `L4-USER-M-PROCESS`, or preserved as `UPSTREAM-DEMO`.
+The project release readiness artifact and URL workflow publish the same
+candidate artifact summary for callers: `evidence-ready=8`,
+`inventory-ready=20`, total candidates `28`, and `promotion_allowed=0`.
+These counts are release visibility for the existing TSV, not a baseline
+promotion or hard-block unlock.
+`evidence-expansion-candidates.tsv` separately records 13 current
+`blocked=-`, native `PASS`, `class=main`, inventory `PASS` rows that are not
+part of the current `evidence-ready` set yet. They are queued only for future
+browser diagnostics binding; every row keeps `promotion_allowed=0` and does
+not alter the `28/28/131/0` inventory baseline.
 `boundary-summary.tsv` records one row per native inventory path with the
 matrix blocked kind, SDK classifier recommendation, declared HAL/UI/HALUI/Python
 process dependencies, `[EMCIO]DB_PROGRAM`, user-M execution codes, and the