chore: update repository references to new organization and name

- Update git remote URL from hhl/hhl-claude-agents to hhl-infra/claude-code-hhl-toolkit
- Rename workspace file to match new repository name
- Update all documentation references to new organization (hhl-infra)
- Update Gitea URLs to new instance (gitea.hotserv.cloud)
- Update repository structure references in CLAUDE.md and planning docs

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

docs/references/PROJECT-SUMMARY.md

@@ -80,7 +80,7 @@ The MCP servers detect their operating mode based on environment variables:
 ## Repository Structure
 
 ```
-hyperhivelabs/claude-plugins/
+hhl-infra/claude-code-hhl-toolkit/
 ├── mcp-servers/                    # ← SHARED BY BOTH PLUGINS
 │   ├── gitea/                      # Gitea MCP Server
 │   │   ├── .venv/