Fix formatting and clippy warnings across workspace

- Run cargo fmt on all crates
- Fix regex patterns using unsupported lookahead in patterns.rs
- Replace unwrap() calls with compile_regex() helper
- Fix never type fallback in GitHub tracker
- Fix redundant field name in findings page
- Allow enum_variant_names for Dioxus Route enum
- Fix &mut Vec -> &mut [T] clippy lint in sbom.rs
- Mark unused-but-intended APIs with #[allow(dead_code)]

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

compliance-agent/src/pipeline/git.rs

@@ -41,12 +41,7 @@ impl GitOps {
         let head_ref = repo.head()?;
         let head_name = head_ref.name().unwrap_or("HEAD");
 
-        repo.reference(
-            head_name,
-            fetch_commit.id(),
-            true,
-            "fast-forward",
-        )?;
+        repo.reference(head_name, fetch_commit.id(), true, "fast-forward")?;
         repo.checkout_head(Some(git2::build::CheckoutBuilder::default().force()))?;
 
         tracing::info!("Fetched and fast-forwarded {}", repo_path.display());
@@ -68,6 +63,7 @@ impl GitOps {
         }
     }
 
+    #[allow(dead_code)]
     pub fn get_changed_files(
         repo_path: &Path,
         old_sha: &str,