Remove public internet features and fix upstream source UI (#107)

- Remove is_public field from upstream sources (all sources are internal)
- Remove allow_public_internet setting from cache settings
- Remove seeding of public registry URLs
- Fix connectivity test to not follow redirects (fixes Artifactory error)
- Add dedicated Test column with OK/Error status badges
- Auto-test sources after save
- Add error modal for viewing full error details
- Fix table layout (no-wrap on source name)
- Add ORCHARD_PURGE_SEED_DATA to stage helm values

helm/orchard/templates/deployment.yaml

@@ -128,6 +128,10 @@ spec:
               value: {{ .Values.orchard.rateLimit.login | quote }}
             {{- end }}
             {{- end }}
+            {{- if .Values.orchard.purgeSeedData }}
+            - name: ORCHARD_PURGE_SEED_DATA
+              value: "true"
+            {{- end }}
             {{- if .Values.orchard.database.poolSize }}
             - name: ORCHARD_DATABASE_POOL_SIZE
               value: {{ .Values.orchard.database.poolSize | quote }}

helm/orchard/values-stage.yaml

@@ -91,6 +91,7 @@ affinity: {}
 # Orchard server configuration
 orchard:
   env: "development"  # Allows seed data for testing
+  purgeSeedData: true  # Remove public seed data (npm-public, pypi-public, etc.)
   server:
     host: "0.0.0.0"
     port: 8080