Fix label-check and auto-assign on fork PRs

.github/workflows/autoassign.yml

@@ -1,8 +1,11 @@
 name: Auto Assign
+# pull_request_target (not pull_request) so assignment works on
+# fork-submitted PRs; fork pull_request runs get a read-only token.
+# Safe because this workflow never checks out or executes PR code.
 on:
   issues:
     types: [opened]
-  pull_request:
+  pull_request_target:
     types: [opened]
 jobs:
   run:

.github/workflows/ci.yml

@@ -4,17 +4,10 @@ on:
   pull_request:
 
 permissions:
-  # Allow GITHUB_TOKEN to add labels to pull requests
-  pull-requests: write
-  issues: write
   contents: read
   id-token: write
 
 jobs:
-  label-check:
-    name: Label Check
-    uses: ApolloAutomation/Workflows/.github/workflows/label-check.yml@main
-
   ci:
     name: Building ${{ matrix.file }} / ESPHome ${{ matrix.esphome-version }} / ESPHome ${{ matrix.esphome-version }}
     runs-on: ubuntu-latest

.github/workflows/label-check.yml

@@ -0,0 +1,20 @@
+name: Label Check
+
+# pull_request_target (not pull_request) so the job gets a write token on
+# fork-submitted PRs too; plain pull_request runs from forks are read-only
+# and cannot add labels. Safe because the called workflow only reads the PR
+# body and never checks out or executes PR code. The "edited" type re-runs
+# the check when the template checkboxes are changed.
+on:
+  pull_request_target:
+    types: [opened, edited, reopened, synchronize]
+
+permissions:
+  pull-requests: write
+  issues: write
+  contents: read
+
+jobs:
+  label-check:
+    name: Label Check
+    uses: ApolloAutomation/Workflows/.github/workflows/label-check.yml@main