docs(adr): record the #2278 coupling audit and re-trace entry-to-platform hops (#2355)

* docs(adr): record the #2278 coupling audit and re-trace entry-to-platform hops (ADR 0022)

* docs(adr): re-trace hop tables with spine side-calls excluded from hop counts

* docs(adr): renumber R74 references to R76 after the main merge

Author: thymikee