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>

audit/design-consistency-findings.md

@@ -1,8 +1,8 @@
-# Design Consistency Audit — Cameleer3 UI
+# Design Consistency Audit — Cameleer UI
 
 **Audited**: 2026-04-09
 **Scope**: All pages under `ui/src/pages/`
-**Base path**: `C:/Users/Hendrik/Documents/projects/cameleer3-server/ui/src/`
+**Base path**: `C:/Users/Hendrik/Documents/projects/cameleer-server/ui/src/`
 
 
 ## Shared Layout Infrastructure