feat: migrate diagnostics & quick-fix actions to language-service (#92)

* wip: plan

* update plan

* feat: migrate diagnostics and quickfix to language-service

* * ignore plans

* update AGENTS.md

* simplify

* [autofix.ci] apply automated fixes

* update

* update

* only return Promise in diagnostic rules

* restore comment

* simplify

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

Author: 9romise

.gitignore

@@ -24,4 +24,5 @@ pnpm-debug.log*
 
 # Agent skills from npm packages (managed by skills-npm)
 **/skills/npm-*
-.ghfs
+.ghfs
+.plans

extensions/vscode/package.json

@@ -209,7 +209,6 @@
     "npmx-language-core": "workspace:*",
     "npmx-language-server": "workspace:*",
     "ocache": "catalog:inline",
-    "perfect-debounce": "catalog:inline",
     "reactive-vscode": "catalog:inline",
     "semver": "catalog:inline",
     "vscode-ext-gen": "catalog:dev",

extensions/vscode/src/commands/add-to-ignore.ts

@@ -1,4 +1,4 @@
-import type { ConfigurationTarget } from 'vscode'
+import type { ConfigurationTarget } from '#shared/constants'
 import { scopedConfigs } from '#shared/meta'
 import { checkIgnored } from 'npmx-language-core/utils'
 import { workspace } from 'vscode'

extensions/vscode/src/index.ts

@@ -1,15 +1,15 @@
 import { useWorkspaceContext } from '#composables/workspace-context'
+import { ADD_TO_IGNORE_COMMAND } from '#shared/commands'
 import { commands, displayName, version } from '#shared/meta'
 import { createLabsInfo } from '@volar/vscode'
-import { defineExtension, useCommands } from 'reactive-vscode'
+import { defineExtension, useCommand, useCommands } from 'reactive-vscode'
 import { Uri } from 'vscode'
 import { launch } from './client'
+import { addToIgnore } from './commands/add-to-ignore'
 import { openFileInNpmx } from './commands/open-file-in-npmx'
 import { openInBrowser } from './commands/open-in-browser'
-import { useCodeActions } from './providers/code-actions'
 import { useCompletionItem } from './providers/completion-item'
 import { useDecorators } from './providers/decorators'
-import { useDiagnostics } from './providers/diagnostics'
 import { useDocumentLink } from './providers/document-link'
 import { logger } from './state'
 
@@ -23,11 +23,11 @@ export const { activate, deactivate } = defineExtension((ctx) => {
   useWorkspaceContext()
 
   useCompletionItem()
-  useDiagnostics()
   useDecorators()
-  useCodeActions()
   useDocumentLink()
 
+  useCommand(ADD_TO_IGNORE_COMMAND, addToIgnore)
+
   useCommands({
     [commands.openInBrowser]: openInBrowser,
     [commands.openFileInNpmx]: openFileInNpmx,