chore(ledger+stubs): uibound（F3）合入回填台账；ui_sink stub 随格式钩子修净

merge 9d90e00（F3 sink 往返喂位）后 @build 0/0 重编：Code=224,860 /
ER_IROM1 249,488 / RW=1,332 / ZI=135,100，lane-f 申报（+92B、RAM 79,008）
一致；凭证重盖、内存两账回填、覆盖率基线含新 ui_sink 套（39→40 套，
AGENTS 单测计数 22→23 同步）。stub 五头的空白/末行改动为格式钩子
（trailing-whitespace / end-of-file-fixer）在合并现场落笔，非语义变化。

scripts/ram_baseline.tsv

@@ -7,4 +7,4 @@ date	code	ro	rw	zi	er_irom1	er_pct	iram1	iram1_pct	ccm	ccm_pct	top_rwzi
 2026-10-22	213436	18652	1188	131500	232088	22.1	75264	57.4	57376	87.9	heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6766;ui_port.o=6420;nand_ftl.o=6216;ch395f.o=4162;console_log.o=4120;sys_log_mcu.o=3588;default_task.o=2736
 2026-10-23	213676	18860	1188	131500	232536	22.2	75264	57.4	57376	87.9	heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6766;ui_port.o=6420;nand_ftl.o=6216;ch395f.o=4162;console_log.o=4120;sys_log_mcu.o=3588;default_task.o=2736
 2026-10-24	213780	18860	1204	131852	232640	22.2	75632	57.7	57376	87.9	heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6766;ui_port.o=6420;nand_ftl.o=6216;ch395f.o=4162;console_log.o=4128;sys_log_mcu.o=3944;default_task.o=2736
-2026-10-25	224768	24640	1328	135096	249408	23.8	79000	60.3	57376	87.9	heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6766;ui_port.o=6420;nand_ftl.o=6216;ch395f.o=4162;console_log.o=4128;sys_log_mcu.o=3944;default_task.o=2736
+2026-10-25	224860	24640	1332	135100	249500	23.8	79008	60.3	57376	87.9	heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6770;ui_port.o=6420;nand_ftl.o=6216;ch395f.o=4162;console_log.o=4128;sys_log_mcu.o=3944;default_task.o=2736

scripts/size_attestation.json

@@ -1,25 +1,25 @@
 {
-  "built_at": "2026-10-25T18:03:15+08:00",
-  "fingerprint": "e05ca262a6f07c2bf7ca2a5927cf0801af0442a2c542f10428941beafbbc3481",
+  "built_at": "2026-10-25T18:46:17+08:00",
+  "fingerprint": "101b6500c00ec55bba062c4141f5942479e329bba1b839be5d25be287751c228",
   "fingerprint_files": 1422,
   "fingerprint_source": "git-index",
   "gated_regions": [
     "RW_IRAM1",
     "RW_CCM"
   ],
-  "git_head": "66f862e7705d6b4e27816eecd4e47c9d2d83b527",
+  "git_head": "9d90e00d52bba74834c80f8fef483dc00e6f7507",
   "map": "MDK-ARM/STM32F407-Demo/STM32F407-Demo.map",
-  "map_mtime": 1792922569,
+  "map_mtime": 1792925151,
   "pct": {
     "ER_IROM1": 23.79,
     "RW_CCM": 87.89,
-    "RW_IRAM1": 60.27,
+    "RW_IRAM1": 60.28,
     "UNINIT_CCM": 18.75
   },
   "regions": {
     "ER_IROM1": {
       "max": 1048576,
-      "size": 249408
+      "size": 249500
     },
     "RW_CCM": {
       "max": 65280,
@@ -27,7 +27,7 @@
     },
     "RW_IRAM1": {
       "max": 131072,
-      "size": 79000
+      "size": 79008
     },
     "UNINIT_CCM": {
       "max": 256,
@@ -37,10 +37,10 @@
   "schema": 2,
   "scope_note": "\u540c\u7801\u51ed\u8bc1\uff1a\u6307\u7eb9\u8986\u76d6\u56fa\u4ef6\u4f53\u79ef\u76f8\u5173\u6e90\u7801\uff0c\u53e3\u5f84\u89c1\u672c\u811a\u672c docstring",
   "sizes": {
-    "code": 224768,
+    "code": 224860,
     "ro_data": 24640,
-    "rw_data": 1328,
-    "zi_data": 135096
+    "rw_data": 1332,
+    "zi_data": 135100
   },
   "threshold_pct": 92.0,
   "worktree_dirt_at_stamp": 0,

scripts/test_coverage_baseline.json

@@ -336,6 +336,14 @@
       "lines_covered": 52,
       "lines_valid": 65
     },
+    "Drivers/BSP/UI/ui_net_sink.c": {
+      "func_rate": 0.7692,
+      "funcs_covered": 10,
+      "funcs_valid": 13,
+      "line_rate": 0.7302,
+      "lines_covered": 157,
+      "lines_valid": 215
+    },
     "Drivers/BSP/UI/ui_w_soe.c": {
       "func_rate": 1.0,
       "funcs_covered": 6,
@@ -634,6 +642,13 @@
       "lines_total": 127,
       "ok": true
     },
+    "ui_sink": {
+      "files": {
+        "Drivers/BSP/UI/ui_net_sink.c": 215
+      },
+      "lines_total": 215,
+      "ok": true
+    },
     "vol_idle_sync": {
       "files": {
         "App/fs/vol_idle_sync.c": 21
@@ -701,20 +716,21 @@
     "Drivers/BSP/NETCFG/ftp_cfg.c",
     "Drivers/BSP/NETCFG/net_cfg.c",
     "Drivers/BSP/UI/ui_data.c",
+    "Drivers/BSP/UI/ui_net_sink.c",
     "Drivers/BSP/UI/ui_w_soe.c"
   ],
   "totals": {
     "files_generated_excluded": 5,
-    "files_tested": 43,
-    "files_untested": 136,
-    "func_rate": 0.9299,
-    "funcs_covered": 451,
-    "funcs_valid": 485,
-    "line_rate": 0.8969,
-    "lines_covered": 6222,
-    "lines_valid": 6937,
-    "modules_ok": 39,
-    "modules_total": 39
+    "files_tested": 44,
+    "files_untested": 135,
+    "func_rate": 0.9257,
+    "funcs_covered": 461,
+    "funcs_valid": 498,
+    "line_rate": 0.8919,
+    "lines_covered": 6379,
+    "lines_valid": 7152,
+    "modules_ok": 40,
+    "modules_total": 40
   },
   "untested_sources": [
     {
@@ -729,10 +745,6 @@
       "code_lines": 329,
       "path": "Drivers/BSP/UI/ui_menu_view.c"
     },
-    {
-      "code_lines": 323,
-      "path": "Drivers/BSP/UI/ui_net_sink.c"
-    },
     {
       "code_lines": 300,
       "path": "Drivers/BSP/UI/ui_content_page.c"
@@ -793,6 +805,10 @@
       "code_lines": 140,
       "path": "App/app/app_main.c"
     },
+    {
+      "code_lines": 126,
+      "path": "App/task/ui_task.c"
+    },
     {
       "code_lines": 126,
       "path": "Drivers/BSP/UI/ui_menu.c"
@@ -801,10 +817,6 @@
       "code_lines": 123,
       "path": "App/task/net_task.c"
     },
-    {
-      "code_lines": 122,
-      "path": "App/task/ui_task.c"
-    },
     {
       "code_lines": 117,
       "path": "App/task/protect_task.c"
@@ -1049,6 +1061,10 @@
       "code_lines": 20,
       "path": "App/log/console_log.h"
     },
+    {
+      "code_lines": 20,
+      "path": "Drivers/BSP/UI/ui_net_sink.h"
+    },
     {
       "code_lines": 19,
       "path": "App/app/sys_events.h"
@@ -1065,10 +1081,6 @@
       "code_lines": 18,
       "path": "Drivers/BSP/NET/net_listener.h"
     },
-    {
-      "code_lines": 18,
-      "path": "Drivers/BSP/UI/ui_net_sink.h"
-    },
     {
       "code_lines": 17,
       "path": "App/algo/sample_ring.h"