chore(size): P1-10 合入后重盖体积凭证（v2 索引指纹）

task/P1-10-test-fw 合入（merge 73f9e10，含 A5 指纹跨树稳定修复 /
WD 掩码死分支复活 / %TEMP 分家 / 四 Fault 显式判据 / P1-10 四档实测）。
产品态体积与 383b450 逐项相同：Code=215,744 / RO=21,396 /
RW=1,224 / ZI=131,984（零增量——掩码修复在产品构建走原分支）。
台架 f3 轮 VERDICT PASS（boot log 20261025_055725，bench PASS 已入台账）。

scripts/size_attestation.json

@@ -1,15 +1,15 @@
 {
-  "built_at": "2026-10-25T05:51:46+08:00",
+  "built_at": "2026-10-25T06:07:53+08:00",
-  "fingerprint": "abfd54b71de9462ed967df31a7ecfd56ff784325e5fc23ead1aa180dd5dbc6b7",
+  "fingerprint": "9b2b3b209d19275aea4744529bdb7d3b14087c27765e40fb7e25ccdafe0e721d",
   "fingerprint_files": 1396,
   "fingerprint_source": "git-index",
   "gated_regions": [
     "RW_IRAM1",
     "RW_CCM"
   ],
-  "git_head": "d07a9a4d67db62878dd071b5e597a4134e6b4a8c",
+  "git_head": "73f9e104928472db3084e7d03acdd3e6ac68cd89",
   "map": "MDK-ARM/STM32F407-Demo/STM32F407-Demo.map",
-  "map_mtime": 1792878704,
+  "map_mtime": 1792879590,
   "pct": {
     "ER_IROM1": 22.62,
     "RW_CCM": 87.89,