Add hyperlink-vs-button rule; register new contracts in router

- controls-selection: forbid hyperlinks for opening modals/elements
  unless explicitly requested; buttons required instead.
- AGENT-BOOTSTRAP: add router entries for hardware-ingest-json and
  submodule-integration contracts (lint was failing without them).

rules/patterns/controls-selection/contract.md

@@ -1,6 +1,6 @@
 # Contract: Controls + Selection
 
-Version: 1.1
+Version: 1.2
 
 ## Shared Base
 
@@ -16,6 +16,9 @@ Version: 1.1
 - Button text should describe the action outcome, not implementation detail.
 - Buttons are text-first; icons are optional and must not replace labels on primary/danger actions.
 - Base examples must show both `disabled` and `loading` states.
+- Do not use a hyperlink (`<a>`/link-styled text) to open a modal, drawer, detail view, or any
+  other in-page element. Use a `button` (or button-styled control) instead, unless the user
+  explicitly asks for a hyperlink. Hyperlinks are reserved for navigation to another URL/page.
 
 ## Checkbox Selection