Add graph explorer components, API handlers, and dependency updates

Adds code inspector, file tree components, graph visualization JS,
graph API handlers, sidebar navigation updates, and misc improvements.

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

compliance-agent/src/llm/triage.rs

@@ -69,7 +69,19 @@ pub async fn triage_findings(
             .await
         {
             Ok(response) => {
-                if let Ok(result) = serde_json::from_str::<TriageResult>(&response) {
+                // Strip markdown code fences if present (e.g. ```json ... ```)
+                let cleaned = response.trim();
+                let cleaned = if cleaned.starts_with("```") {
+                    let inner = cleaned
+                        .trim_start_matches("```json")
+                        .trim_start_matches("```")
+                        .trim_end_matches("```")
+                        .trim();
+                    inner
+                } else {
+                    cleaned
+                };
+                if let Ok(result) = serde_json::from_str::<TriageResult>(cleaned) {
                     finding.confidence = Some(result.confidence);
                     if let Some(remediation) = result.remediation {
                         finding.remediation = Some(remediation);