refactor: rename all custom K8s components to hightower

Namespace, Temporal, router, PVCs, labels, and GHCR API image all
renamed from shannon-* to hightower-*. Upstream references preserved:
worker image (ghcr.io/farhoodliquor/shannon), .shannon/ dirs,
@shannon/worker package imports.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/api/src/config.ts

@@ -28,9 +28,9 @@ export function loadConfig(): Config {
 
   return {
     port: Number(process.env.PORT) || 3000,
-    temporalAddress: process.env.TEMPORAL_ADDRESS || 'shannon-temporal:7233',
+    temporalAddress: process.env.TEMPORAL_ADDRESS || 'hightower-temporal:7233',
     apiKey,
-    k8sNamespace: process.env.K8S_NAMESPACE || 'shannon',
+    k8sNamespace: process.env.K8S_NAMESPACE || 'hightower',
     workerImage,
     workspacesDir: process.env.WORKSPACES_DIR || '/app/workspaces',
     credentialsSecretName: process.env.CREDENTIALS_SECRET_NAME || 'hightower-credentials',

apps/api/src/services/job-builder.ts

@@ -87,7 +87,7 @@ export function buildJobSpec(params: JobParams): k8s.V1Job {
   }
 
   // 4. Env vars
-  const env: k8s.V1EnvVar[] = [{ name: 'TEMPORAL_ADDRESS', value: 'shannon-temporal:7233' }];
+  const env: k8s.V1EnvVar[] = [{ name: 'TEMPORAL_ADDRESS', value: 'hightower-temporal:7233' }];
 
   // 5. Construct the Job
   return {
@@ -98,8 +98,8 @@ export function buildJobSpec(params: JobParams): k8s.V1Job {
       namespace: params.namespace,
       labels: {
         app: WORKER_LABEL,
-        'shannon.io/workspace': params.workspace,
-        'shannon.io/scan-id': params.jobName,
+        'hightower.io/workspace': params.workspace,
+        'hightower.io/scan-id': params.jobName,
       },
     },
     spec: {
@@ -109,7 +109,7 @@ export function buildJobSpec(params: JobParams): k8s.V1Job {
         metadata: {
           labels: {
             app: WORKER_LABEL,
-            'shannon.io/workspace': params.workspace,
+            'hightower.io/workspace': params.workspace,
           },
         },
         spec: {

apps/api/src/services/scan-manager.ts

@@ -106,7 +106,7 @@ export async function listScans(
   const jobs = await listWorkerJobs(batchApi, config.k8sNamespace);
   for (const job of jobs) {
     const jobName = job.metadata?.name ?? '';
-    const workspace = job.metadata?.labels?.['shannon.io/workspace'] ?? jobName;
+    const workspace = job.metadata?.labels?.['hightower.io/workspace'] ?? jobName;
     const startTime = job.status?.startTime;
 
     results.push({