chore: rename cameleer3 to cameleer

Rename Java packages from com.cameleer3 to com.cameleer, module
directories from cameleer3-* to cameleer-*, and all references
throughout workflows, Dockerfiles, docs, migrations, and pom.xml.

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

deploy/overlays/main/kustomization.yaml

@@ -7,7 +7,7 @@ patches:
   # Server Service: NodePort 30081
   - target:
       kind: Service
-      name: cameleer3-server
+      name: cameleer-server
     patch: |
       - op: replace
         path: /spec/type
@@ -18,7 +18,7 @@ patches:
   # UI Service: NodePort 30090
   - target:
       kind: Service
-      name: cameleer3-ui
+      name: cameleer-ui
     patch: |
       - op: replace
         path: /spec/type
@@ -31,7 +31,7 @@ patches:
       apiVersion: apps/v1
       kind: Deployment
       metadata:
-        name: cameleer3-server
+        name: cameleer-server
       spec:
         template:
           spec:
@@ -41,11 +41,11 @@ patches:
                   - name: CAMELEER_SERVER_SECURITY_UIORIGIN
                     value: "http://192.168.50.86:30090"
                   - name: SPRING_DATASOURCE_URL
-                    value: "jdbc:postgresql://cameleer-postgres:5432/cameleer3?currentSchema=public&ApplicationName=tenant_default"
+                    value: "jdbc:postgresql://cameleer-postgres:5432/cameleer?currentSchema=public&ApplicationName=tenant_default"
   # UI ConfigMap: production API URL
   - target:
       kind: ConfigMap
-      name: cameleer3-ui-config
+      name: cameleer-ui-config
     patch: |
       - op: replace
         path: /data/config.js