[docs] Per-platform desktop triage instructions (#150019)

`team-desktop` has been split into `team-linux`, `team-macos`, and `team-windows`. This updates the triage instructions to cover those platforms.

Author: cbracken

docs/triage/README.md

@@ -1,6 +1,6 @@
 # Primary issue triage process
 
-The process of triaging new incoming bugs consiists of processing the list of [issues without team-* labels, with no assignees, and not labeled `will need additional triage`](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+no%3Aassignee+-label%3A%22will+need+additional+triage%22+-label%3Ateam-release%2Cteam-codelabs%2Cteam-ecosystem%2Cteam-infra%2Cteam-engine%2Cteam-framework%2Cteam-news%2Cteam-ios%2Cteam-tool%2Cteam-web%2Cteam-desktop%2Cteam-design%2Cteam-android%2Cteam-go_router%2Cteam-games%2Cteam-text-input+) as described in this section, so as to make that list empty.
+The process of triaging new incoming bugs consists of processing the list of [issues without team-* labels, with no assignees, and not labeled `will need additional triage`](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+no%3Aassignee+-label%3A%22will+need+additional+triage%22+-label%3Ateam-release%2Cteam-codelabs%2Cteam-ecosystem%2Cteam-infra%2Cteam-engine%2Cteam-framework%2Cteam-news%2Cteam-ios%2Cteam-tool%2Cteam-web%2Cteam-linux%2Cteam-macos%2Cteam-windows%2Cteam-design%2Cteam-android%2Cteam-go_router%2Cteam-games%2Cteam-text-input+) as described in this section, so as to make that list empty.
 
 _See also: [Issue triage reports](https://github.com/flutter/flutter/wiki/Issue-triage-reports)_
 
@@ -75,7 +75,7 @@ In general the flow chart for team assignment is as follows, stopping as soon as
 - If it's about Cupertino or Material Design, add `team-design`.
 - If it's about text fields or other user-facing text input issues, add `team-text-input`.
   - If it's specific to a single platform, also add that platform's fyi label.
-- If it's specific to a single platform, add that platform's team (`team-android`, `team-desktop`, `team-ios`, or `team-web`).
+- If it's specific to a single platform, add that platform's team (`team-android`, `team-ios`, `team-linux`, `team-macos`, `team-web`, or `team-windows`).
   - If the issue is about a first-party package, also add `fyi-ecosystem`.
 - If it's about one of our games templates, add `team-games`.
 - If it's about the Flutter engine, add `team-engine`.
@@ -212,14 +212,6 @@ For more guidance on reviewing PRs, see [Tree Hygiene](../contributing/Tree-hygi
 - [P0 list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-design+label%3AP0+sort%3Aupdated-asc)
 - [Design Languages PRs](https://github.com/flutter/flutter/pulls?q=is%3Aopen+is%3Apr+label%3A%22f%3A+material+design%22%2C%22f%3A+cupertino%22+sort%3Aupdated-asc)
 
-### Desktop platforms team (`team-desktop`)
-
-- [Incoming issue list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-desktop%2Cfyi-desktop+-label%3Atriaged-desktop+no%3Aassignee+-label%3A%22will+need+additional+triage%22+sort%3Aupdated-asc)
-- [P0 list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-desktop+label%3AP0+sort%3Aupdated-asc)
-- [Desktop PRs on the engine](https://github.com/flutter/engine/pulls?q=is%3Aopen+is%3Apr+label%3A%22affects%3A+desktop%22+sort%3Aupdated-asc)
-- [Desktop PRs on the framework](https://github.com/flutter/flutter/pulls?q=is%3Aopen+is%3Apr+label%3A%22a%3A+desktop%22+sort%3Aupdated-asc)
-- [Desktop PRs on packages](https://github.com/flutter/packages/pulls?q=is%3Aopen+is%3Apr+label%3Atriage-linux%2Ctriage-macos%2Ctriage-windows+sort%3Aupdated-asc)
-
 ### Ecosystem team (`team-ecosystem`)
 
 - [Incoming issue list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-ecosystem%2Cfyi-ecosystem+-label%3Atriaged-ecosystem+no%3Aassignee+-label%3A%22will+need+additional+triage%22+sort%3Aupdated-asc)
@@ -280,6 +272,22 @@ PRs are reviewed weekly across the framework, packages, and engine repositories:
 * [iOS Plugins PRs](https://github.com/flutter/packages/pulls?q=is%3Aopen+is%3Apr+label%3Atriage-ios+draft%3Afalse+sort%3Aupdated-asc)
 * [iOS Engine PRs](https://github.com/flutter/engine/pulls?q=is%3Aopen+is%3Apr+label%3Aplatform-ios+sort%3Acreated-asc+-is%3Adraft)
 
+### Linux platforms team (`team-linux`)
+
+- [Incoming issue list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-linux%2Cfyi-linux+-label%3Atriaged-linux+no%3Aassignee+-label%3A%22will+need+additional+triage%22+sort%3Aupdated-asc)
+- [P0 list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-linux+label%3AP0+sort%3Aupdated-asc)
+- [Linux PRs on the engine](https://github.com/flutter/engine/pulls?q=is%3Aopen+is%3Apr+label%3A%22affects%3A+desktop%22+label%3Aplatform-linux+sort%3Aupdated-asc)
+- [Linux PRs on the framework](https://github.com/flutter/flutter/pulls?q=is%3Aopen+is%3Apr+label%3A%22a%3A+desktop%22+label%3Aplatform-linux+sort%3Aupdated-asc)
+- [Linux PRs on packages](https://github.com/flutter/packages/pulls?q=is%3Aopen+is%3Apr+label%3Atriage-linux%2Ctriage-macos%2Ctriage-windows+sort%3Aupdated-asc)
+
+### macOS platform team (`team-macos`)
+
+- [Incoming issue list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-macos%2Cfyi-macos+-label%3Atriaged-macos+no%3Aassignee+-label%3A%22will+need+additional+triage%22+sort%3Aupdated-asc)
+- [P0 list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-macos+label%3AP0+sort%3Aupdated-asc)
+- [macOS PRs on the engine](https://github.com/flutter/engine/pulls?q=is%3Aopen+is%3Apr+label%3A%22affects%3A+desktop%22+label%3Aplatform-macos+sort%3Aupdated-asc)
+- [macOS PRs on the framework](https://github.com/flutter/flutter/pulls?q=is%3Aopen+is%3Apr+label%3A%22a%3A+desktop%22+platform-macos++sort%3Aupdated-asc)
+- [macOS PRs on packages](https://github.com/flutter/packages/pulls?q=is%3Aopen+is%3Apr+label%3Atriage-linux%2Ctriage-macos%2Ctriage-windows+sort%3Aupdated-asc)
+
 ### News Toolkit team (`team-news`)
 
 - [Incoming issue list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-news%2Cfyi-news+-label%3Atriaged-news+no%3Aassignee+-label%3A%22will+need+additional+triage%22+sort%3Aupdated-asc)
@@ -294,7 +302,7 @@ PRs are reviewed weekly across the framework, packages, and engine repositories:
 
 - [P0 list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22a%3A+text+input%22%2Cteam-text-input%2Cfyi-text-input+sort%3Aupdated-asc+label%3AP0+)
 - [PR list](https://github.com/flutter/flutter/pulls?q=is%3Aopen+is%3Apr+sort%3Acreated-desc+draft%3Afalse+label%3A%22a%3A+text+input%22%2Cteam-text-input%2Cfyi-text-input+)
-- [Incoming issue list](https://github.com/flutter/flutter/issues?q=is%3Aopen+is%3Aissue+label%3A%22a%3A+text+input%22%2Cteam-text-input%2Cfyi-text-input+no%3Aassignee+-label%3A%22triaged-design%22+-label%3A%22triaged-framework%22+-label%3A%22triaged-desktop%22+-label%3A%22triaged-android%22+-label%3A%22triaged-ios%22+-label%3A%22triaged-web%22+-label%3A%22triaged-ecosystem%22+-label%3A%22triaged-engine%22+-label%3A%22triaged-tool%22+-label%3A%22triaged-text-input%22+-project%3Aflutter%2F111+)
+- [Incoming issue list](https://github.com/flutter/flutter/issues?q=is%3Aopen+is%3Aissue+label%3A%22a%3A+text+input%22%2Cteam-text-input%2Cfyi-text-input+no%3Aassignee+-label%3A%22triaged-design%22+-label%3A%22triaged-framework%22+-label%3A%22triaged-linux%22+-label%3A%22triaged-macos%22+-label%3A%22triaged-windows%22+-label%3A%22triaged-android%22+-label%3A%22triaged-ios%22+-label%3A%22triaged-web%22+-label%3A%22triaged-ecosystem%22+-label%3A%22triaged-engine%22+-label%3A%22triaged-tool%22+-label%3A%22triaged-text-input%22+-project%3Aflutter%2F111+)
 
 ### Flutter Tool team (`team-tool`)
 
@@ -306,6 +314,14 @@ PRs are reviewed weekly across the framework, packages, and engine repositories:
 
 - See the [Flutter Web Triage](Flutter-Web-Triage.md) page.
 
+### Windows platforms team (`team-windows`)
+
+- [Incoming issue list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-windows%2Cfyi-windows+-label%3Atriaged-windows+no%3Aassignee+-label%3A%22will+need+additional+triage%22+sort%3Aupdated-asc)
+- [P0 list](https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Ateam-windows+label%3AP0+sort%3Aupdated-asc)
+- [Windows PRs on the engine](https://github.com/flutter/engine/pulls?q=is%3Aopen+is%3Apr+label%3A%22affects%3A+desktop%22+label%3Aplatform-windows+sort%3Aupdated-asc)
+- [Windows PRs on the framework](https://github.com/flutter/flutter/pulls?q=is%3Aopen+is%3Apr+label%3A%22a%3A+desktop%22+label%3Aplatform-windows+sort%3Aupdated-asc)
+- [Windows PRs on packages](https://github.com/flutter/packages/pulls?q=is%3Aopen+is%3Apr+label%3Atriage-linux%2Ctriage-macos%2Ctriage-windows+sort%3Aupdated-asc)
+
 ## Adding a new team
 
 To add a team: