From d6dcb516f15feb04f0ff4085420dd57eb5da2e8d Mon Sep 17 00:00:00 2001
From: c-bata <contact@c-bata.link>
Date: Tue, 29 Sep 2026 13:24:32 +0900
Subject: [PATCH] Add automatic PR labeling and release note categories

---
 .github/labeler.yml           | 38 ++++++++++++++++
 .github/release.yml           | 83 +++++++++++++++++++++++++++++++++++
 .github/workflows/labeler.yml | 22 ++++++++++
 3 files changed, 143 insertions(+)
 create mode 100644 .github/labeler.yml
 create mode 100644 .github/release.yml
 create mode 100644 .github/workflows/labeler.yml

diff --git a/.github/labeler.yml b/.github/labeler.yml
new file mode 100644
index 00000000..34cfc9a4
--- /dev/null
+++ b/.github/labeler.yml
@@ -0,0 +1,38 @@
+rustuna_core:
+  - changed-files:
+      - any-glob-to-any-file: rustuna_core/**
+
+rustuna_sampler:
+  - changed-files:
+      - any-glob-to-any-file: rustuna_sampler/**
+
+rustuna_storage:
+  - changed-files:
+      - any-glob-to-any-file: rustuna_storage/**
+
+rustuna_importance:
+  - changed-files:
+      - any-glob-to-any-file: rustuna_importance/**
+
+python:
+  - changed-files:
+      - any-glob-to-any-file: rustuna_pyo3/**
+
+javascript:
+  - changed-files:
+      - any-glob-to-any-file: rustuna_js/**
+
+docs:
+  - changed-files:
+      - any-glob-to-any-file:
+          - docs/**
+          - '**/*.md'
+          - .readthedocs.yml
+
+ci:
+  - changed-files:
+      - any-glob-to-any-file:
+          - .github/workflows/**
+          - .github/dependabot.yml
+          - .github/labeler.yml
+          - .github/release.yml
diff --git a/.github/release.yml b/.github/release.yml
new file mode 100644
index 00000000..c5639b30
--- /dev/null
+++ b/.github/release.yml
@@ -0,0 +1,83 @@
+changelog:
+  categories:
+    # Categories are ordered by priority. Exclusions keep a PR with several
+    # area labels in only its highest-priority category.
+    - title: Rustuna Core
+      labels:
+        - rustuna_core
+    - title: Rustuna Samplers
+      labels:
+        - rustuna_sampler
+      exclude:
+        labels:
+          - rustuna_core
+    - title: Rustuna Storage
+      labels:
+        - rustuna_storage
+      exclude:
+        labels:
+          - rustuna_core
+          - rustuna_sampler
+    - title: Importance Evaluation
+      labels:
+        - rustuna_importance
+      exclude:
+        labels:
+          - rustuna_core
+          - rustuna_sampler
+          - rustuna_storage
+    - title: Python API
+      labels:
+        - python
+      exclude:
+        labels:
+          - rustuna_core
+          - rustuna_sampler
+          - rustuna_storage
+          - rustuna_importance
+    - title: JavaScript API
+      labels:
+        - javascript
+      exclude:
+        labels:
+          - rustuna_core
+          - rustuna_sampler
+          - rustuna_storage
+          - rustuna_importance
+          - python
+    - title: Documentation
+      labels:
+        - docs
+      exclude:
+        labels:
+          - rustuna_core
+          - rustuna_sampler
+          - rustuna_storage
+          - rustuna_importance
+          - python
+          - javascript
+    - title: Development & CI
+      labels:
+        - ci
+      exclude:
+        labels:
+          - rustuna_core
+          - rustuna_sampler
+          - rustuna_storage
+          - rustuna_importance
+          - python
+          - javascript
+          - docs
+    - title: Other Changes
+      labels:
+        - '*'
+      exclude:
+        labels:
+          - rustuna_core
+          - rustuna_sampler
+          - rustuna_storage
+          - rustuna_importance
+          - python
+          - javascript
+          - docs
+          - ci
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
new file mode 100644
index 00000000..2be21833
--- /dev/null
+++ b/.github/workflows/labeler.yml
@@ -0,0 +1,22 @@
+name: Pull Request Labeler
+
+on:
+  pull_request_target:
+    branches:
+      - main
+    types:
+      - opened
+      - synchronize
+      - reopened
+
+jobs:
+  labeler:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/labeler@bf12e9b00b37c5c0ca2b87b79b2daf7891dbda13 # v7.0.0
+        with:
+          sync-labels: true