Fix list view row border visibility in light theme + vertical-align buttons

- Change row border from var(--bg-input) to var(--border)
- Add vertical-align: middle to td cells
- Bump 1.22.11, SW cache v42->v43

frontend/index.html

@@ -219,7 +219,7 @@ body { font: 14px/1.5 system-ui, sans-serif; background: var(--bg); color: var(-
 .sessions-list { padding: 0 16px 16px; overflow-y: auto; }
 .sessions-list table { width: 100%; border-collapse: collapse; }
 .sessions-list th { text-align: left; padding: 4px 12px; color: var(--text-muted); font-size: 12px; border-bottom: 1px solid var(--border); }
-.sessions-list td { padding: 4px 12px; border-bottom: 1px solid var(--bg-input); font-size: 13px; }
+.sessions-list td { padding: 4px 12px; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: middle; }
 .sessions-list th:first-child { min-width: 200px; }
 .sessions-list input[type="text"] { width: 100%; padding: 4px 8px; background: var(--bg-input); border: 1px solid var(--border); color: var(--text); border-radius: 4px; font-size: 13px; box-sizing: border-box; }
 .sessions-list input[type="text"]:focus { border-color: var(--accent); outline: none; }
@@ -2613,7 +2613,7 @@ function onFilterChange() {
 }
 
 // ──────────────────── Versioning ────────────────────
-const PWA_VERSION = '1.22.10';
+const PWA_VERSION = '1.22.11';
 const MIN_SERVER_VERSION = '1.0.0';
 
 function parseVersion(v) {