chore(ledger): n22 合入后回填台账/凭证/覆盖率基线

task/n22-flush 合入（merge 6f99dea）：vol_idle_sync 空闲 flush 兜底。
Code 215,744→215,932（+188 B）、RW 1,224→1,232（+8 B）、ZI 不变；
RW_IRAM1 75,792 B（57.8%）、CCM 57,376 B（87.9%）不变——lane-f 分支侧
--no-verify 欠账清。覆盖率基线登记 vol_idle_sync.c（36/36 套件）。
凭证重盖（L0c 恢复序列）。

docs/内存管理/RAM使用分析与优化方案.md

@@ -47,10 +47,10 @@ C2 dhara 失败类 +84；RO 另 +208，全是 C2 的失败类名表）→ `ER_IR
 <!-- MEM_SNAPSHOT:BEGIN generated by scripts/check_mem_numbers.py -->
 | 区域 | 用量 | 容量 | 占比 |
 |---|---|---|---|
-| ER_IROM1 | 237,140 B (231.58 KB) | 1,048,576 B (1024 KB) | 22.6% |
-| RW_IRAM1 | 75,784 B (74.01 KB) | 131,072 B (128 KB) | 57.8% |
+| ER_IROM1 | 237,328 B (231.77 KB) | 1,048,576 B (1024 KB) | 22.6% |
+| RW_IRAM1 | 75,792 B (74.02 KB) | 131,072 B (128 KB) | 57.8% |
 | RW_CCM | 57,376 B (56.03 KB) | 65,280 B (64 KB) | 87.9% |
-| **Flash (ROM 合计)** | **238,364 B (232.8 KB)** | 1,048,576 B (1024 KB) | **22.7%** |
+| **Flash (ROM 合计)** | **238,560 B (233.0 KB)** | 1,048,576 B (1024 KB) | **22.8%** |
 <!-- MEM_SNAPSHOT:END -->
 
 各区的容量与常量来源：

docs/内存管理/RAM预算台账.md

@@ -15,10 +15,10 @@
 <!-- MEM_BUDGET:BEGIN generated by scripts/ram_baseline.py -->
 | 区域 | 用量 | 容量 | 占比 | 门禁（≤92%） |
 |---|---|---|---|---|
-| ER_IROM1 (Flash) | 237,140 B | 1,048,576 B | 22.6% | 参考 |
+| ER_IROM1 (Flash) | 237,328 B | 1,048,576 B | 22.6% | 参考 |
 | RW_CCM | 57,376 B | 65,280 B | 87.9% | PASS |
 | UNINIT_CCM | 48 B | 256 B | 18.8% | 参考 |
-| RW_IRAM1 | 75,784 B | 131,072 B | 57.8% | PASS |
+| RW_IRAM1 | 75,792 B | 131,072 B | 57.8% | PASS |
 
 | 子系统（静态 RW+ZI；除 RTOS 堆在 CCM 外均在 SRAM1） | 现值 | 配额 | 状态 |
 |---|---|---|---|
@@ -27,7 +27,7 @@
 | UI | 30,426 B | 16 KB | ⚠ 超 13.7 KB |
 | RTOS 堆 | 57,376 B | 56 KB | 堆=配额 |
 | 应用 | 15,406 B | 8 KB | ⚠ 超 7.0 KB |
-| 其它 | 9,208 B | — | 参考 |
+| 其它 | 9,216 B | — | 参考 |
 <!-- MEM_BUDGET:END -->
 
 - **门禁**：pre-commit `mem-budget` 钩子（`scripts/ram_baseline.py --gate`）——

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	215744	21396	1224	131984	237140	22.6	75784	57.8	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	215932	21396	1232	131984	237328	22.6	75792	57.8	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

scripts/size_attestation.json

@@ -1,17 +1,17 @@
 {
-  "built_at": "2026-10-25T06:07:53+08:00",
-  "fingerprint": "9b2b3b209d19275aea4744529bdb7d3b14087c27765e40fb7e25ccdafe0e721d",
-  "fingerprint_files": 1396,
+  "built_at": "2026-10-25T09:28:21+08:00",
+  "fingerprint": "f326336d2f469fedf1be8db3538a2a47e83105d36abed7b1bc549cd0ab75147f",
+  "fingerprint_files": 1398,
   "fingerprint_source": "git-index",
   "gated_regions": [
     "RW_IRAM1",
     "RW_CCM"
   ],
-  "git_head": "73f9e104928472db3084e7d03acdd3e6ac68cd89",
+  "git_head": "6f99dea3a9d8638bff7e1371839cd23b31403b50",
   "map": "MDK-ARM/STM32F407-Demo/STM32F407-Demo.map",
-  "map_mtime": 1792879590,
+  "map_mtime": 1792891670,
   "pct": {
-    "ER_IROM1": 22.62,
+    "ER_IROM1": 22.63,
     "RW_CCM": 87.89,
     "RW_IRAM1": 57.82,
     "UNINIT_CCM": 18.75
@@ -19,7 +19,7 @@
   "regions": {
     "ER_IROM1": {
       "max": 1048576,
-      "size": 237140
+      "size": 237328
     },
     "RW_CCM": {
       "max": 65280,
@@ -27,7 +27,7 @@
     },
     "RW_IRAM1": {
       "max": 131072,
-      "size": 75784
+      "size": 75792
     },
     "UNINIT_CCM": {
       "max": 256,
@@ -37,9 +37,9 @@
   "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": 215744,
+    "code": 215932,
     "ro_data": 21396,
-    "rw_data": 1224,
+    "rw_data": 1232,
     "zi_data": 131984
   },
   "threshold_pct": 92.0,

scripts/test_coverage_baseline.json

@@ -88,6 +88,14 @@
       "lines_covered": 27,
       "lines_valid": 29
     },
+    "App/fs/vol_idle_sync.c": {
+      "func_rate": 1.0,
+      "funcs_covered": 1,
+      "funcs_valid": 1,
+      "line_rate": 1.0,
+      "lines_covered": 21,
+      "lines_valid": 21
+    },
     "App/fs/vol_lock.c": {
       "func_rate": 1.0,
       "funcs_covered": 3,
@@ -564,6 +572,13 @@
       "lines_total": 99,
       "ok": true
     },
+    "vol_idle_sync": {
+      "files": {
+        "App/fs/vol_idle_sync.c": 21
+      },
+      "lines_total": 21,
+      "ok": true
+    },
     "vol_lock": {
       "files": {
         "App/fs/vol_lock.c": 17
@@ -593,6 +608,7 @@
     "App/cfg/cfg_file.c",
     "App/cfg/cfg_file_store_mcu.c",
     "App/cfg/prot_set_store.c",
+    "App/fs/vol_idle_sync.c",
     "App/fs/vol_lock.c",
     "App/log/console_log.c",
     "App/log/soe_rec.c",
@@ -623,16 +639,16 @@
   ],
   "totals": {
     "files_generated_excluded": 5,
-    "files_tested": 38,
-    "files_untested": 115,
-    "func_rate": 0.9258,
-    "funcs_covered": 412,
-    "funcs_valid": 445,
-    "line_rate": 0.8965,
-    "lines_covered": 5802,
-    "lines_valid": 6472,
-    "modules_ok": 35,
-    "modules_total": 35
+    "files_tested": 39,
+    "files_untested": 116,
+    "func_rate": 0.926,
+    "funcs_covered": 413,
+    "funcs_valid": 446,
+    "line_rate": 0.8968,
+    "lines_covered": 5823,
+    "lines_valid": 6493,
+    "modules_ok": 36,
+    "modules_total": 36
   },
   "untested_sources": [
     {
@@ -656,7 +672,7 @@
       "path": "Drivers/BSP/UI/ui_content_page.c"
     },
     {
-      "code_lines": 281,
+      "code_lines": 282,
       "path": "App/task/default_task.c"
     },
     {
@@ -1039,6 +1055,10 @@
       "code_lines": 11,
       "path": "Drivers/BSP/dbg_cfg.h"
     },
+    {
+      "code_lines": 10,
+      "path": "App/fs/vol_idle_sync.h"
+    },
     {
       "code_lines": 10,
       "path": "App/task/default_task.h"