Move cache env vars to workflow level, remove debug step

Move PNPM_STORE_DIR and COREPACK_HOME to workflow-level env
which may propagate differently than job-level in act_runner.

.gitea/workflows/ci.yaml

@@ -10,12 +10,13 @@ concurrency:
   group: ${{ gitea.workflow }}-${{ gitea.ref }}
   cancel-in-progress: true
 
+env:
+  PNPM_STORE_DIR: /pnpm-store
+  COREPACK_HOME: /pnpm-store/.corepack
+
 jobs:
   lint-and-test:
     runs-on: ubuntu-latest
-    env:
-      PNPM_STORE_DIR: /pnpm-store
-      COREPACK_HOME: /pnpm-store/.corepack
     steps:
       - uses: actions/checkout@v4
 
@@ -28,9 +29,6 @@ jobs:
   build:
     needs: [lint-and-test]
     runs-on: ubuntu-latest
-    env:
-      PNPM_STORE_DIR: /pnpm-store
-      COREPACK_HOME: /pnpm-store/.corepack
     steps:
       - uses: actions/checkout@v4
         with:

.gitea/workflows/deploy-preview.yaml

@@ -4,12 +4,13 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
 
+env:
+  PNPM_STORE_DIR: /pnpm-store
+  COREPACK_HOME: /pnpm-store/.corepack
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
-    env:
-      PNPM_STORE_DIR: /pnpm-store
-      COREPACK_HOME: /pnpm-store/.corepack
     steps:
       - uses: actions/checkout@v4
 

.gitea/workflows/deploy-production.yaml

@@ -10,27 +10,18 @@ on:
         required: false
         default: ""
 
+env:
+  PNPM_STORE_DIR: /pnpm-store
+  COREPACK_HOME: /pnpm-store/.corepack
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
-    env:
-      PNPM_STORE_DIR: /pnpm-store
-      COREPACK_HOME: /pnpm-store/.corepack
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 2
 
-      - name: Debug cache mounts
-        run: |
-          echo "=== /pnpm-store ==="
-          ls -la /pnpm-store 2>/dev/null || echo "NOT MOUNTED"
-          echo "=== PNPM_STORE_DIR=$PNPM_STORE_DIR ==="
-          echo "=== mount points ==="
-          mount | grep pnpm || echo "no pnpm mounts"
-          echo "=== docker volumes ==="
-          docker volume ls 2>/dev/null || echo "no docker access"
-
       - run: corepack enable && corepack prepare pnpm@latest --activate
 
       - run: pnpm install --frozen-lockfile