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/semgrep.rs

@@ -66,11 +66,10 @@ impl Scanner for SemgrepScanner {
                 finding.file_path = Some(r.path);
                 finding.line_number = Some(r.start.line);
                 finding.code_snippet = Some(r.extra.lines);
-                finding.cwe = r.extra.metadata.and_then(|m| {
-                    m.get("cwe")
-                        .and_then(|v| v.as_str())
-                        .map(|s| s.to_string())
-                });
+                finding.cwe = r
+                    .extra
+                    .metadata
+                    .and_then(|m| m.get("cwe").and_then(|v| v.as_str()).map(|s| s.to_string()));
                 finding
             })
             .collect();