T194046: Introduce SlotRoleHandler and SlotRoleRegistry for declaring slot roles.

Phabricator Link	T194046
Status	open
Priority	normal (orange)
Author	[1]
Owner	daniel (Daniel Kinzler)
Projects	Wikidata (monitoring) Multimedia (Untriaged) Multi-Content-Revisions (Done) Core Platform Team Workboards (Done with CPT) CPT Initiatives (MCR) Structured Data Engineering (Monitoring)
Subtasks	T195980: Write a specification for the architecture for handling slots, T209927: Decide how to control which slots are offered for editing per default
Parent Tasks	T200915: Allow SlotRoleHandlers to control page layout T205444: Provide a way of having a meaningful slot header T205459: Decide how SlotRoleHandlers can provide placeholders for missing slots T209924: Specify PageTypeHandler
Tags

Related Gerrit Changes:

Change	Subject	Status	Owner	Created	Last Modified	Project
481018	[MCR] Introduce SlotRoleHandler and SlotRoleRegistry	ABANDONED	Reedy	20 Dec 2018	27 Dec 2018	mediawiki/core
434544	[MCR] Introduce SlotRoleHandler and SlotRoleRegistry	MERGED	Daniel Kinzler	22 May 2018	03 Dec 2018	mediawiki/core
[2]		CLOSED	Error while fetching data from URL https://gerrit.wikimedia.org/r/accounts//detail: $2. There was a problem during the HTTP request: 404 Not Found Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	16 Apr 2024	16 Apr 2024
[3]		OK	Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	16 Apr 2024	16 Apr 2024
[4]		OK	Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	16 Apr 2024	16 Apr 2024