fix: workflow not reusable

.github/workflows/backend.yml

@@ -2,21 +2,17 @@ name: CI
 
 permissions:
   packages: read
+  contents: read
 
 on:
-  pull_request:
-  push:
-    branches:
-      - main
+  workflow_call:
 
 jobs:
   backend-ci:
     runs-on: ubuntu-latest
     defaults:
       run:
         working-directory: backend
-    env:
-      backend_path: ${{ github.workspace }}/backend
     steps:
     - uses: actions/checkout@v4
     - run: pipx install poetry==1.7.1

.github/workflows/ci.yml

@@ -9,6 +9,7 @@ on:
 
 permissions:
   packages: write
+  contents: write
 
 jobs:
   backend-ci:

.github/workflows/db.yml

@@ -7,6 +7,10 @@ on:
           required: true
           type: string
 
+permissions:
+  packages: write
+  contents: read
+
 jobs:
   build-db:
     runs-on: ubuntu-latest

.github/workflows/kv.yml

@@ -7,6 +7,10 @@ on:
           required: true
           type: string
 
+permissions:
+  packages: write
+  contents: read
+
 jobs:
   build-kv:
     runs-on: ubuntu-latest

.github/workflows/server.yml

@@ -7,6 +7,10 @@ on:
           required: true
           type: string
 
+permissions:
+  packages: write
+  contents: read
+
 jobs:
   build-server:
     runs-on: ubuntu-latest