diff --git a/Cargo.toml b/Cargo.toml
index ad9b9767..d61fed6c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ categories = ["network-programming", "web-programming"]
 exclude.workspace = true
 
 [workspace.package]
-version = "0.30.8"
+version = "0.30.9"
 readme = "README.md"
 edition = "2024"
 authors = ["root@ltpp.vip"]
@@ -38,13 +38,13 @@ resolver = "3"
 crate-type = ["rlib"]
 
 [workspace.dependencies]
-euv = { path = ".", version = "0.30.8" }
-euv-ui = { path = "ui", version = "0.30.8" }
-euv-cli = { path = "cli", version = "0.30.8" }
-euv-core = { path = "core", version = "0.30.8" }
-euv-engine = { path = "engine", version = "0.30.8" }
-euv-macros = { path = "macros", version = "0.30.8" }
-euv-example = { path = "example", version = "0.30.8" }
+euv = { path = ".", version = "0.30.9" }
+euv-ui = { path = "ui", version = "0.30.9" }
+euv-cli = { path = "cli", version = "0.30.9" }
+euv-core = { path = "core", version = "0.30.9" }
+euv-engine = { path = "engine", version = "0.30.9" }
+euv-macros = { path = "macros", version = "0.30.9" }
+euv-example = { path = "example", version = "0.30.9" }
 
 log = "0.4.34"
 toml = "0.9.12"
diff --git a/ui/src/style/css/const.rs b/ui/src/style/css/const.rs
index 41848c23..2438e1aa 100644
--- a/ui/src/style/css/const.rs
+++ b/ui/src/style/css/const.rs
@@ -3,7 +3,7 @@
 /// `class!` cannot express descendant selectors, so markdown typography is
 /// injected once at startup through `Css::inject_css`. All colors reference
 /// the theme CSS variables, so light/dark switching works unchanged.
-pub(crate) const EUV_MD_CSS: &str = r#".md-body{line-height:1.7;font-size:var(--font-base);word-wrap:break-word}.md-body h1,.md-body h2,.md-body h3,.md-body h4,.md-body h5,.md-body h6{position:relative;font-weight:700;letter-spacing:-.01em;margin-top:var(--gap-component);margin-bottom:var(--space-sm);scroll-margin-top:72px;line-height:1.3}.md-body h1{font-size:var(--font-3xl);margin-top:0;padding-bottom:.4em;border-bottom:1px solid var(--border)}.md-body h2{font-size:var(--font-2xl);padding-bottom:.3em;border-bottom:1px dashed var(--border)}.md-body h3{font-size:var(--font-xl)}.md-body h4{font-size:var(--font-lg)}.md-body h5,.md-body h6{font-size:var(--font-base)}.md-body .header-anchor{float:left;margin-left:-.9em;padding-right:.2em;opacity:0;color:var(--muted-foreground);font-weight:400;transition:opacity .15s ease-out;user-select:none;text-decoration:none}.md-body h1:hover .header-anchor,.md-body h2:hover .header-anchor,.md-body h3:hover .header-anchor,.md-body h4:hover .header-anchor,.md-body h5:hover .header-anchor,.md-body h6:hover .header-anchor{opacity:1}@media(max-width:767px){.md-body h1,.md-body h2,.md-body h3,.md-body h4,.md-body h5,.md-body h6{padding-left:1.6em}.md-body .header-anchor{float:none;margin-left:-1.6em;margin-right:0;padding:0;width:1.6em;display:inline-flex;align-items:flex-end;justify-content:flex-start;font-size:.85em;line-height:1;vertical-align:baseline}}.md-body p,.md-body ul,.md-body ol,.md-body blockquote,.md-body pre,.md-body table{margin:var(--space-sm) 0}.md-body ul,.md-body ol{padding-left:1.4em}.md-body ul{list-style:disc}.md-body ol{list-style:decimal}.md-body ul ul,.md-body ul ol,.md-body ol ul,.md-body ol ol,.md-body li{margin:var(--space-xs) 0}.md-body li input[type=checkbox]{margin-right:.4em;accent-color:var(--accent)}.md-body a{color:var(--accent);font-weight:500;text-decoration:underline;text-underline-offset:3px;text-decoration-style:dashed;text-decoration-color:var(--border)}.md-body strong{font-weight:700}.md-body em{font-style:italic}.md-body del{opacity:.6}.md-body hr{border:none;border-top:1px dashed var(--border);margin:2em 0}.md-body blockquote{margin:1em 0;padding:.4em 1em;border-left:4px solid var(--border);color:var(--muted-foreground)}.md-body blockquote p{margin:.4em 0}.md-body code{font-family:ui-monospace,monospace;font-size:.875em;padding:.15em .4em;background:var(--accent-muted);border:1px solid var(--border);-webkit-box-decoration-break:clone;box-decoration-break:clone;display:inline-block;vertical-align:baseline;line-height:1}.md-body td code,.md-body th code{display:block}.md-body pre{padding:1em 1.2em;overflow-x:auto;border:1px solid var(--border);background:var(--accent-muted)}.md-body pre code{padding:0;border:none;background:transparent;font-size:.875rem;line-height:1.6}.md-body table{width:100%;border-collapse:collapse;font-size:var(--font-sm)}.md-body table thead{border-bottom:2px solid var(--border)}.md-body table th,.md-body table td{padding:.5em .9em;border:1px solid var(--border);text-align:left;white-space:nowrap}.md-body table th{font-weight:700}.md-body table tbody tr:nth-child(2n){background:var(--accent-muted)}.md-body img{max-width:100%}.md-body .docs-container{margin:1.2em 0;padding:.1em 1.2em;border-left:4px solid var(--foreground);background:var(--accent-muted)}.md-body .docs-container .docs-container-title{font-weight:700;font-size:var(--font-sm);letter-spacing:.04em;text-transform:uppercase;margin:.8em 0 .4em}.md-body .docs-container.tip{border-left-style:solid}.md-body .docs-container.warning{border-left-style:dashed}.md-body .docs-container.danger{border-left:4px double var(--foreground)}.md-body .docs-container.details{border-left:1px solid var(--border);background:transparent}.md-body .footnote-definition{font-size:var(--font-sm);color:var(--muted-foreground)}"#;
+pub(crate) const EUV_MD_CSS: &str = r#".md-body{line-height:1.7;font-size:var(--font-base);word-wrap:break-word}.md-body h1,.md-body h2,.md-body h3,.md-body h4,.md-body h5,.md-body h6{position:relative;font-weight:700;letter-spacing:-.01em;margin-top:var(--gap-component);margin-bottom:var(--space-sm);scroll-margin-top:72px;line-height:1.3}.md-body h1{font-size:var(--font-3xl);margin-top:0;padding-bottom:.4em;border-bottom:1px solid var(--border)}.md-body h2{font-size:var(--font-2xl);padding-bottom:.3em;border-bottom:1px dashed var(--border)}.md-body h3{font-size:var(--font-xl)}.md-body h4{font-size:var(--font-lg)}.md-body h5,.md-body h6{font-size:var(--font-base)}.md-body .header-anchor{float:left;margin-left:-.9em;padding-right:.2em;opacity:0;color:var(--muted-foreground);font-weight:400;transition:opacity .15s ease-out;user-select:none;text-decoration:none}.md-body h1:hover .header-anchor,.md-body h2:hover .header-anchor,.md-body h3:hover .header-anchor,.md-body h4:hover .header-anchor,.md-body h5:hover .header-anchor,.md-body h6:hover .header-anchor{opacity:1}@media(max-width:767px){.md-body h1,.md-body h2,.md-body h3,.md-body h4,.md-body h5,.md-body h6{padding-left:1.6em}.md-body .header-anchor{float:none;margin-left:-1.6em;margin-right:0;padding:0;width:1.6em;display:inline-flex;align-items:flex-end;justify-content:flex-start;font-size:.85em;line-height:1;vertical-align:baseline}}.md-body p,.md-body ul,.md-body ol,.md-body blockquote,.md-body pre,.md-body table{margin:var(--space-sm) 0}.md-body ul,.md-body ol{padding-left:1.4em}.md-body ul{list-style:disc}.md-body ol{list-style:decimal}.md-body ul ul,.md-body ul ol,.md-body ol ul,.md-body ol ol,.md-body li{margin:var(--space-xs) 0}.md-body li input[type=checkbox]{margin-right:.4em;accent-color:var(--accent)}.md-body a{color:var(--accent);font-weight:500;text-decoration:underline;text-underline-offset:3px;text-decoration-style:dashed;text-decoration-color:var(--border)}.md-body strong{font-weight:700}.md-body em{font-style:italic}.md-body del{opacity:.6}.md-body hr{border:none;border-top:1px dashed var(--border);margin:2em 0}.md-body blockquote{margin:1em 0;padding:.4em 1em;border-left:4px solid var(--border);color:var(--muted-foreground)}.md-body blockquote p{margin:.4em 0}.md-body code{font-family:ui-monospace,monospace;font-size:.875em;padding:.45em .4em;background:var(--accent-muted);border:1px solid var(--border);-webkit-box-decoration-break:clone;box-decoration-break:clone;display:inline-block;vertical-align:baseline;line-height:1}.md-body td code,.md-body th code{display:block}.md-body pre{padding:1em 1.2em;overflow-x:auto;border:1px solid var(--border);background:var(--accent-muted)}.md-body pre code{padding:0;border:none;background:transparent;font-size:.875rem;line-height:1.6}.md-body table{width:100%;border-collapse:collapse;font-size:var(--font-sm)}.md-body table thead{border-bottom:2px solid var(--border)}.md-body table th,.md-body table td{padding:.5em .9em;border:1px solid var(--border);text-align:left;white-space:nowrap}.md-body table th{font-weight:700}.md-body table tbody tr:nth-child(2n){background:var(--accent-muted)}.md-body img{max-width:100%}.md-body .docs-container{margin:1.2em 0;padding:.1em 1.2em;border-left:4px solid var(--foreground);background:var(--accent-muted)}.md-body .docs-container .docs-container-title{font-weight:700;font-size:var(--font-sm);letter-spacing:.04em;text-transform:uppercase;margin:.8em 0 .4em}.md-body .docs-container.tip{border-left-style:solid}.md-body .docs-container.warning{border-left-style:dashed}.md-body .docs-container.danger{border-left:4px double var(--foreground)}.md-body .docs-container.details{border-left:1px solid var(--border);background:transparent}.md-body .footnote-definition{font-size:var(--font-sm);color:var(--muted-foreground)}"#;
 
 /// Global stylesheet: reset, base element defaults, and theme background.
 ///