fix: resolve clippy errors (expect_used, manual strip_prefix)

Replace expect() calls with let-else returns in SBOM download, use
strip_prefix() instead of manual slicing in extract_base_url, and
suppress too_many_arguments on server function.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

compliance-dashboard/src/infrastructure/repositories.rs

@@ -30,6 +30,7 @@ pub async fn fetch_repositories(page: u64) -> Result<RepositoryListResponse, Ser
 }
 
 #[server]
+#[allow(clippy::too_many_arguments)]
 pub async fn add_repository(
     name: String,
     git_url: String,

compliance-dashboard/src/pages/sbom.rs

@@ -677,23 +677,32 @@ fn license_type_class(is_copyleft: bool) -> &'static str {
 #[cfg(feature = "web")]
 fn trigger_download(content: &str, filename: &str) {
     use wasm_bindgen::JsCast;
-    let window = web_sys::window().expect("no window");
-    let document = window.document().expect("no document");
+    let Some(window) = web_sys::window() else {
+        return;
+    };
+    let Some(document) = window.document() else {
+        return;
+    };
 
     let blob_parts = js_sys::Array::new();
     blob_parts.push(&wasm_bindgen::JsValue::from_str(content));
 
-    let mut opts = web_sys::BlobPropertyBag::new();
-    opts.type_("application/json");
-    let blob = web_sys::Blob::new_with_str_sequence_and_options(&blob_parts, &opts).expect("blob");
+    let opts = web_sys::BlobPropertyBag::new();
+    opts.set_type("application/json");
+    let Ok(blob) = web_sys::Blob::new_with_str_sequence_and_options(&blob_parts, &opts) else {
+        return;
+    };
 
-    let url = web_sys::Url::create_object_url_with_blob(&blob).expect("object url");
+    let Ok(url) = web_sys::Url::create_object_url_with_blob(&blob) else {
+        return;
+    };
 
-    let a: web_sys::HtmlAnchorElement = document
-        .create_element("a")
-        .expect("create a")
-        .dyn_into()
-        .expect("cast");
+    let Ok(el) = document.create_element("a") else {
+        return;
+    };
+    let Ok(a) = el.dyn_into::<web_sys::HtmlAnchorElement>() else {
+        return;
+    };
     a.set_href(&url);
     a.set_download(filename);
     a.click();