fix(ui/wave): 回放页切通道/切段后不重绘——key_cb 接管键后补失效

回放页 v1.0 建的键处理返回 true（接管全部键），但从未调
ui_content_page_invalidate()：框架只在 key_cb 返回 false 时才替页面
失效，于是「键送达、状态已切、屏上纹丝不动」。该病被枚举缺陷完全
遮住（整页恒空、没有可切的画面），随本波枚举修复首次上板才暴露：
真机按 ←/→/↑/↓ 帧字节完全不变（同帧哈希），布局与状态机无问题。

- 上/下切通道、左/右切段成功路径、空态再探路径，各补一次
  ui_content_page_invalidate()（与 ui_page_clock / ui_page_password
  等已接管键的页面同纪律）；
- 切段失败仍保持「按了没动」的诚实语义（不重绘、不把忙态清成空）；
- 修改记录 v1.1。

/keil-build 0 错误 0 警告（Code 247,288 B，+4 B），RAM 不变；
台账 / 同码凭证同批刷新。

Refs #38

scripts/ram_baseline.tsv

@@ -14,4 +14,4 @@ date	code	ro	rw	zi	er_irom1	er_pct	iram1	iram1_pct	ccm	ccm_pct	top_rwzi
 2026-10-29	238936	29140	1932	141396	268076	25.6	85904	65.5	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;sb_link.o=4364;ch395f.o=4162;console_log.o=4132;sys_log_mcu.o=4055
 2026-10-29	243552	28784	1972	145388	272336	26.0	89936	68.6	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;wave_ring.o=5296;ch395f.o=4162;console_log.o=4132;sys_log_mcu.o=4055
 2026-10-30	246720	29836	2052	149708	276556	26.4	94336	72.0	57376	87.9	heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6770;ui_port.o=6432;nand_ftl.o=6216;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132
-2026-11-02	247284	29836	2052	149708	277120	26.4	94336	72.0	57376	87.9	heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6770;ui_port.o=6432;nand_ftl.o=6216;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132
+2026-11-02	247288	29836	2052	149708	277124	26.4	94336	72.0	57376	87.9	heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6770;ui_port.o=6432;nand_ftl.o=6216;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132

scripts/size_attestation.json

@@ -1,15 +1,15 @@
 {
-  "built_at": "2026-11-02T18:06:44+08:00",
-  "fingerprint": "a7a328b45a3ff91fcb9138b919662e893dd8cb9a0a1b080afa7b57d663f7a4de",
+  "built_at": "2026-11-02T18:21:27+08:00",
+  "fingerprint": "a4435f138bc6dc5fe18779977ec5a2515e15e72ceeecb9653ce2930b640e71c2",
   "fingerprint_files": 1466,
   "fingerprint_source": "git-index",
   "gated_regions": [
     "RW_IRAM1",
     "RW_CCM"
   ],
-  "git_head": "3e01e9d98e0690e949510f569a502192542492d0",
+  "git_head": "d6253aa974f4357779d0a94ff24ba66a58abf094",
   "map": "MDK-ARM/STM32F407-Demo/STM32F407-Demo.map",
-  "map_mtime": 1793613913,
+  "map_mtime": 1793614877,
   "pct": {
     "ER_IROM1": 26.43,
     "RW_CCM": 87.89,
@@ -19,7 +19,7 @@
   "regions": {
     "ER_IROM1": {
       "max": 1048576,
-      "size": 277120
+      "size": 277124
     },
     "RW_CCM": {
       "max": 65280,
@@ -37,7 +37,7 @@
   "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": 247284,
+    "code": 247288,
     "ro_data": 29836,
     "rw_data": 2052,
     "zi_data": 149708