fix: add HTTP timeout to reqwest client and CVE stage timeout

Without a timeout on the reqwest client, sequential NVD API calls
for each CVE alert could hang indefinitely. With 1098 SBOM entries
producing hundreds of alerts, this would stall the scan pipeline.

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

compliance-agent/src/agent.rs

@@ -35,11 +35,16 @@ impl ComplianceAgent {
             config.litellm_model.clone(),
             config.litellm_embed_model.clone(),
         ));
+        let http = reqwest::Client::builder()
+            .timeout(std::time::Duration::from_secs(30))
+            .connect_timeout(std::time::Duration::from_secs(10))
+            .build()
+            .unwrap_or_default();
         Self {
             config,
             db,
             llm,
-            http: reqwest::Client::new(),
+            http,
             session_streams: Arc::new(DashMap::new()),
             session_pause: Arc::new(DashMap::new()),
             session_semaphore: Arc::new(Semaphore::new(DEFAULT_MAX_CONCURRENT_SESSIONS)),

compliance-agent/src/pipeline/orchestrator.rs

@@ -174,19 +174,26 @@ impl PipelineOrchestrator {
                 k.expose_secret().to_string()
             }),
         );
-        let cve_alerts = match async {
-            cve_scanner
-                .scan_dependencies(&repo_id, &mut sbom_entries)
-                .await
-        }
-        .instrument(tracing::info_span!("stage_cve_scanning"))
+        let cve_alerts = match tokio::time::timeout(
+            std::time::Duration::from_secs(600),
+            async {
+                cve_scanner
+                    .scan_dependencies(&repo_id, &mut sbom_entries)
+                    .await
+            }
+            .instrument(tracing::info_span!("stage_cve_scanning")),
+        )
         .await
         {
-            Ok(alerts) => alerts,
-            Err(e) => {
+            Ok(Ok(alerts)) => alerts,
+            Ok(Err(e)) => {
                 tracing::warn!("[{repo_id}] CVE scanning failed: {e}");
                 Vec::new()
             }
+            Err(_) => {
+                tracing::warn!("[{repo_id}] CVE scanning timed out after 10 minutes");
+                Vec::new()
+            }
         };
 
         // Stage 4: Pattern Scanning (GDPR + OAuth)