Updated coverage; separate svg err msg in UI

.github/workflows/go.yml

@@ -40,6 +40,19 @@ jobs:
         COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: goveralls -coverprofile=/var/tmp/capillaries.p -service=github
 
+    - name: pkg/capigraph test coverage threshold check
+      env:
+          TESTCOVERAGE_THRESHOLD: 93.9
+      run: |
+            go test -v ./pkg/capigraph/... -coverprofile coverage.out -covermode count
+            totalCoverage=`go tool cover -func=coverage.out | grep total | grep -Eo '[0-9]+\.[0-9]+'`
+            if (( $(echo "$totalCoverage $TESTCOVERAGE_THRESHOLD" | awk '{print ($1 >= $2)}') )); then
+                echo -e "\033[32mOK: $totalCoverage >= $TESTCOVERAGE_THRESHOLD\033[0m"
+            else
+                echo -e "\033[31mFAILED: $totalCoverage < $TESTCOVERAGE_THRESHOLD. Cover more with unit tests or adjust threshold to a lower value.\033[0m"
+                exit 1
+            fi
+
     - name: pkg/cql test coverage threshold check
       env:
           TESTCOVERAGE_THRESHOLD: 87.6

ui/src/routes/KsMatrix.svelte

@@ -24,6 +24,7 @@
 	let breadcrumbsPathElements = $state([]);
 
 	let svgScriptViz = $state('');
+	let svgError = $state('');
 	let webapiData = $state({ run_lifespans: [], nodes: [] });
 	let responseError = $state('');
 	var timer;
@@ -86,7 +87,7 @@
 				svgScriptViz = responseText;
 			})
 			.catch((error) => {
-				responseError =
+				svgError =
 					'cannot fetch SVG viz from Capillaries webapi at ' +
 					method +
 					' ' +
@@ -209,6 +210,7 @@
 {/snippet}
 
 {#snippet tabViz()}
+<p style="color:red;">{svgError}</p>
 {#if webapiData.run_lifespans.length > 0}
 	<p>
 		This diagram is static. To see it in a separate window, click <a

ui/src/routes/KsRunNodeHistory.svelte

@@ -25,6 +25,7 @@
 	let webapiData = $state({ run_props: {}, run_lifespan: {}, node_history: [] });
 	let responseError = $state('');
 	let svgStatusViz = $state('');
+	let svgError = $state('');
 
 	function calculateElapsed(node_history) {
 		let earliestTs = null;
@@ -163,7 +164,7 @@
 				}
 			})
 			.catch((error) => {
-				responseError =
+				svgError =
 					'cannot fetch SVG status viz from Capillaries webapi at ' +
 					method +
 					' ' +
@@ -230,6 +231,8 @@
 	or <a target="_blank" href={scriptVizUrl(ks_name, run_id, true)}>here</a> for colored by root node.
 </p>
 
+<p style="color:red;">{svgError}</p>
+
 <div style="width:100%">
 	<!-- eslint-disable-next-line svelte/no-at-html-tags -->
 	{@html svgStatusViz}