diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index e82f132..76998eb 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -14,3 +14,8 @@ updates:
     directory: "/" 
     schedule:
       interval: "weekly"
+    ignore:
+      - dependency-name: '*'
+        update-types:
+          # - version-update:semver-minor
+          - version-update:semver-patch
diff --git a/.github/workflows/articles-changed-detection.yaml b/.github/workflows/articles-changed-detection.yaml
index a9a78f5..a430f84 100644
--- a/.github/workflows/articles-changed-detection.yaml
+++ b/.github/workflows/articles-changed-detection.yaml
@@ -6,21 +6,21 @@ on:
   pull_request:
     paths:
       # Since variables cannot be used in `on.paths`, this part must be hardcoded.
-      - "articles/changed-detenctions/**"
-      - ".github/workflows/articles-changed-detection.yaml"
+      - 'articles/changed-detections/**'
+      - '.github/workflows/articles-changed-detection.yaml'
   workflow_dispatch:
 
 permissions: {}
 defaults:
   run:
     shell: bash
-    
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 env:
-  TARGET_BASE_DIR: "articles/changed-detenctions"
+  TARGET_BASE_DIR: 'articles/changed-detections'
 
 jobs:
   detect-changes:
@@ -54,18 +54,19 @@ jobs:
         run: |
           # For manual execution (workflow_dispatch), target all projects under path/to/
           if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
-            PROJECTS=$(ls -d $TARGET_BASE_DIR/*/ | cut -d'/' -f3 | jq -R -s -c 'split("\n") | map(select(length > 0))')
-            echo "projects=$PROJECTS" >> $GITHUB_OUTPUT
+            PROJECTS=$(find "$TARGET_BASE_DIR" -mindepth 1 -maxdepth 1 -type d \
+              | cut -d'/' -f3 | jq -R -s -c 'split("\n") | map(select(length > 0))')
+            echo "projects=$PROJECTS" >> "$GITHUB_OUTPUT"
           else
             # json array returned from the plugin (e.g. ["path/to/AAA", "path/to/BBB"])
             CHANGED_DIRS='${{ steps.changed-files.outputs.all_changed_files }}'
 
             if [ "$CHANGED_DIRS" = "[]" ] || [ -z "$CHANGED_DIRS" ]; then
-              echo "projects=[]" >> $GITHUB_OUTPUT
+              echo "projects=[]" >> "$GITHUB_OUTPUT"
             else
               # Trim to "path/to/web" -> "web" instantly with jq
               PROJECTS=$(echo "$CHANGED_DIRS" | jq -c 'map(split("/") | .[2])')
-              echo "projects=$PROJECTS" >> $GITHUB_OUTPUT
+              echo "projects=$PROJECTS" >> "$GITHUB_OUTPUT"
             fi
           fi
 
@@ -92,7 +93,7 @@ jobs:
           echo "=========================================================="
           echo "🚀 Processing Project: ${{ matrix.project }}"
           echo "=========================================================="
-      
+
       - name: Find Target and Define Assets Path
         run: |
           # 1. First, search for the target
@@ -112,8 +113,8 @@ jobs:
           PROJECT_ASSETS_PATH="${{ github.workspace }}/$TARGET_DIR/assets"
 
           # Save each to environment variables
-          echo "TARGET_PATH=$TARGET" >> $GITHUB_ENV
-          echo "TEST_ASSETS_PATH=$PROJECT_ASSETS_PATH" >> $GITHUB_ENV
+          echo "TARGET_PATH=$TARGET" >> "$GITHUB_ENV"
+          echo "TEST_ASSETS_PATH=$PROJECT_ASSETS_PATH" >> "$GITHUB_ENV"
 
           echo "🎯 Target detected: $TARGET"
           echo "📂 Test assets will be generated at: $PROJECT_ASSETS_PATH"
@@ -121,7 +122,7 @@ jobs:
       - name: Build for ${{ matrix.project }}
         run: |
           echo ${{ env.TARGET_PATH }}
-      
+
       - name: Run Test Assets Scripts (If exists)
         run: |
           SCRIPT_PATH="$TARGET_BASE_DIR/${{ matrix.project }}/scripts/generate-test-assets.sh"
diff --git a/.github/workflows/chapter-1-hello.yaml b/.github/workflows/chapter-1-hello.yaml
index 51fa4ec..f972f9a 100644
--- a/.github/workflows/chapter-1-hello.yaml
+++ b/.github/workflows/chapter-1-hello.yaml
@@ -11,7 +11,7 @@ on:
     branches:
       - main
     paths:
-      - './chapters/go/hello/**'
+      - 'chapters/go/hello/**'
       - '.github/workflows/chapter-1-hello.yaml'
 
   # issusのコメントでワークフローをトリガーする設定
diff --git a/.github/workflows/chapter-2-1-ci.yaml b/.github/workflows/chapter-2-1-ci.yaml
index 72f904d..aaa7b58 100644
--- a/.github/workflows/chapter-2-1-ci.yaml
+++ b/.github/workflows/chapter-2-1-ci.yaml
@@ -8,7 +8,7 @@ on:
     branches:
       - main
     paths:
-      - './chapters/go/hello-api/**'
+      - 'chapters/go/hello-api/**'
       - '.github/workflows/chapter-2-1-ci.yaml'
   workflow_dispatch:
 
diff --git a/.github/workflows/chapter-2-2-cd.yaml b/.github/workflows/chapter-2-2-cd.yaml
index 4d2ed75..fea5009 100644
--- a/.github/workflows/chapter-2-2-cd.yaml
+++ b/.github/workflows/chapter-2-2-cd.yaml
@@ -8,8 +8,8 @@ on:
     branches:
       - main
     paths:
-      - './chapters/go/hello-api/**'
-      - './.github/workflows/chapter-2-2-cd.yaml'
+      - 'chapters/go/hello-api/**'
+      - '.github/workflows/chapter-2-2-cd.yaml'
   workflow_dispatch:
 
 permissions: {}
diff --git a/.github/workflows/chapter-2-3-cd-action.yaml b/.github/workflows/chapter-2-3-cd-action.yaml
index 7fbe8e8..7f030cf 100644
--- a/.github/workflows/chapter-2-3-cd-action.yaml
+++ b/.github/workflows/chapter-2-3-cd-action.yaml
@@ -7,8 +7,8 @@ on:
     branches:
       - main
     paths:
-      - './chapters/go/hello-api/**'
-      - './.github/workflows/chapter-2-3-cd-action.yaml'
+      - 'chapters/go/hello-api/**'
+      - '.github/workflows/chapter-2-3-cd-action.yaml'
   workflow_dispatch:
 
 permissions: {}
diff --git a/.github/workflows/chapter-3-3-control-flow.yaml b/.github/workflows/chapter-3-3-control-flow.yaml
index 3d02a6a..4ba9824 100644
--- a/.github/workflows/chapter-3-3-control-flow.yaml
+++ b/.github/workflows/chapter-3-3-control-flow.yaml
@@ -69,10 +69,12 @@ jobs:
         run: |
           echo "::notice::【手動テスト】ワークフローが正常に成功しました！"
 
-          echo "# 🟢 テスト成功通知" >> $GITHUB_STEP_SUMMARY
-          echo "手動実行されたジョブが正常に完了しました。" >> $GITHUB_STEP_SUMMARY
-          echo "- **ステータス:** SUCCESS" >> $GITHUB_STEP_SUMMARY
-          echo "- [ログを確認する](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})" >> $GITHUB_STEP_SUMMARY
+          { 
+            echo "# 🟢 テスト成功通知" 
+            echo "手動実行されたジョブが正常に完了しました。"
+            echo "- **ステータス:** SUCCESS"
+            echo "- [ログを確認する](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})"
+          } >> "$GITHUB_STEP_SUMMARY"
 
       # 【失敗（赤）のときの通知】
       - name: Notify on Failure
@@ -80,7 +82,9 @@ jobs:
         run: |
           echo "::error::【手動テスト】ワークフローが失敗しました。確認してください！"
 
-          echo "# ❌ テストエラー通知" >> $GITHUB_STEP_SUMMARY
-          echo "手動実行されたジョブでエラーを検知しました。" >> $GITHUB_STEP_SUMMARY
-          echo "- **ステータス:** FAILURE" >> $GITHUB_STEP_SUMMARY
-          echo "- [ログを確認する](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})" >> $GITHUB_STEP_SUMMARY
+          { 
+            echo "# ❌ テストエラー通知"
+            echo "手動実行されたジョブでエラーを検知しました。"
+            echo "- **ステータス:** FAILURE"
+            echo "- [ログを確認する](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})"
+          } >> "$GITHUB_STEP_SUMMARY"
diff --git a/.github/workflows/chapter-3-5-trigger.yaml b/.github/workflows/chapter-3-5-triggers.yaml
similarity index 96%
rename from .github/workflows/chapter-3-5-trigger.yaml
rename to .github/workflows/chapter-3-5-triggers.yaml
index 22431a8..50c332a 100644
--- a/.github/workflows/chapter-3-5-trigger.yaml
+++ b/.github/workflows/chapter-3-5-triggers.yaml
@@ -7,7 +7,7 @@ on:
   pull_request:
     # 特定のファイルが変更されたときにトリガーする
     paths:
-      - '.github/workflows/chapter-3-5-trigger.yaml'
+      - '.github/workflows/chapter-3-5-triggers.yaml'
   push:
     # 特定のブランチに push したときにトリガーする
     branches:
diff --git a/.github/workflows/chapter-5-1-e2e-test.yaml b/.github/workflows/chapter-5-1-e2e-test.yaml
index 360f882..702c7e9 100644
--- a/.github/workflows/chapter-5-1-e2e-test.yaml
+++ b/.github/workflows/chapter-5-1-e2e-test.yaml
@@ -5,10 +5,10 @@ name: Chapter 5 - E2E test (Call)
 on:
   pull_request:
     paths:
-      - ".github/workflows/e2e-test.yaml"
-      - ".github/workflows/reusable-e2e-test.yaml"
-      - ".github/actions/setup-playwright/action.yaml"
-      - "packages/e2e/**"
+      - '.github/workflows/e2e-test.yaml'
+      - '.github/workflows/reusable-e2e-test.yaml'
+      - '.github/actions/setup-playwright/action.yaml'
+      - 'packages/e2e/**'
   workflow_dispatch:
 
 permissions: {}
@@ -17,6 +17,6 @@ jobs:
   e2e:
     permissions:
       contents: read
-    uses: ./.github/workflows/reusable-e2e-test.yaml
+    uses: ./.github/workflows/chapter-5-1-reusable-e2e-test.yaml
     with:
-      working-directory: "packages/e2e"
+      working-directory: 'packages/e2e'
diff --git a/.github/workflows/ex-11-good-practices.yaml b/.github/workflows/ex-11-good-practices.yaml
index a07e07b..a830499 100644
--- a/.github/workflows/ex-11-good-practices.yaml
+++ b/.github/workflows/ex-11-good-practices.yaml
@@ -12,8 +12,8 @@ on:
   workflow_dispatch:
   # 5. 不要なイベントで起動しないようにフィルタリングする
   pull_request:
-    paths: 
-      - ".github/workflows/ex-11-good-practices.yaml"
+    paths:
+      - '.github/workflows/ex-11-good-practices.yaml'
 
 # ワークフローレベルでパーミッションをすべて無効化
 permissions: {}
@@ -40,11 +40,11 @@ jobs:
     steps:
       # 8. アクションはコミットハッシュで固定する
       - name: Checkout
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       # 9. Bashトレーシングオプションでログを詳細に出力する(ログに表示されている気がする)
       # 3.「actionlint」ですばやく構文エラーをチェックする
       - name: Run actionlint
         run: |
           set -x
-          docker run --rm -v "$(pwd):$(pwd)" -w "$(pwd)" rhysd/actionlint:1.7.3
+          docker run --rm -v "$(pwd):$(pwd)" -w "$(pwd)" rhysd/actionlint:1.7.12
diff --git a/.gitignore b/.gitignore
index 4dd6230..08cd44e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,3 +42,4 @@ bin/
 .nuget/
 **/dotnet/runfile-discovery/
 **/cache.staging.json
+.DS_Store
diff --git a/articles/changed-detenctions/category-1/README.md b/articles/changed-detections/category-1/README.md
similarity index 69%
rename from articles/changed-detenctions/category-1/README.md
rename to articles/changed-detections/category-1/README.md
index 3908034..f05212c 100644
--- a/articles/changed-detenctions/category-1/README.md
+++ b/articles/changed-detections/category-1/README.md
@@ -1,3 +1,3 @@
-# Categoty 1
+# Category 1
 
 update at: 2026-07-16 21:47
diff --git a/articles/changed-detenctions/category-3/README.md b/articles/changed-detections/category-2/README.md
similarity index 65%
rename from articles/changed-detenctions/category-3/README.md
rename to articles/changed-detections/category-2/README.md
index 41e6e77..6677d4d 100644
--- a/articles/changed-detenctions/category-3/README.md
+++ b/articles/changed-detections/category-2/README.md
@@ -1,3 +1,3 @@
-# Categoty 3
+# # Category 2
 
 update at: 2026-07-16 21:47
diff --git a/articles/changed-detenctions/category-2/scripts/generate-test-assets.sh b/articles/changed-detections/category-2/scripts/generate-test-assets.sh
similarity index 100%
rename from articles/changed-detenctions/category-2/scripts/generate-test-assets.sh
rename to articles/changed-detections/category-2/scripts/generate-test-assets.sh
diff --git a/articles/changed-detenctions/category-2/README.md b/articles/changed-detections/category-3/README.md
similarity index 69%
rename from articles/changed-detenctions/category-2/README.md
rename to articles/changed-detections/category-3/README.md
index 3908034..4bc2b95 100644
--- a/articles/changed-detenctions/category-2/README.md
+++ b/articles/changed-detections/category-3/README.md
@@ -1,3 +1,3 @@
-# Categoty 1
+# Category 3
 
 update at: 2026-07-16 21:47