refactor(重构提升): 优化缓存验签与界面

assets/webui/ofdgo.css

@@ -48,6 +48,12 @@ select {
 	font: inherit;
 }
 
+select,
+option {
+	text-align: left;
+	text-align-last: left;
+}
+
 button {
 	border: 1px solid var(--line-strong);
 	background: #ffffff;
@@ -135,7 +141,6 @@ a:focus-visible {
 	border-radius: 0;
 	background: #fff;
 	color: #1f2428;
-	text-align: center;
 }
 
 .editor-paragraph > .editor-field,
@@ -650,7 +655,8 @@ button:not(:disabled):hover {
 	inset: 0;
 	display: flex;
 	align-items: center;
-	justify-content: center;
+	justify-content: flex-start;
+	padding-left: 4px;
 	padding-right: 12px;
 	pointer-events: none;
 }
@@ -789,7 +795,6 @@ button:not(:disabled):hover {
 	height: var(--control-height);
 	padding: 0 6px;
 	vertical-align: middle;
-	text-align: center;
 	font: inherit;
 	border: 1px solid var(--line);
 	border-radius: 0;
@@ -802,6 +807,7 @@ button:not(:disabled):hover {
 }
 
 .convert-table input {
+	text-align: center;
 	font-variant-numeric: tabular-nums;
 }
 

assets/webui/ofdgo.js

@@ -2912,7 +2912,7 @@ function releasePageResources() {
 	const images = new Set(), fonts = new Set();
 	for (const page of state.pageCache.values()) {
 		for (const name of page.imageNames) images.add(name);
-		for (const font of page.fonts) fonts.add(font.name);
+		for (const font of page.fonts || []) fonts.add(font.name);
 	}
 	for (const [name, image] of state.svgImages) {
 		if (!images.has(name)) {
@@ -5495,6 +5495,7 @@ function trimPageCache() {
 			}
 		}
 	}
+	if (!state.pageInFlight.size) releasePageResources();
 }
 
 async function loadSVGFonts(fonts, openSeq) {