- Introduce reference MCP presets with installation/audit helpers and remove legacy connector lists.
- Add CLI `owlen tools` commands to install presets or audit configuration, with optional pruning.
- Extend the TUI :tools command to support listing presets, installing them, and auditing current configuration.
- Document the preset workflow and provide regression tests for preset application.
- Replace brand-specific guidance with spec-compliant naming rules and connector categories.
- Add docs/mcp-reference.md outlining common MCP connectors and installation workflow.
- Point configuration docs at the new guide and reiterate the naming regex.
Acceptance Criteria:
- Documentation directs users toward a combined reference bundle without citing specific vendors.
Test Notes:
- Docs-only change; link checks not run.
