feat: add workspace checkout step to CI workflow for improved reliability

.gitea/workflows/test.yml

@@ -19,6 +19,28 @@ jobs:
           node --version
           npm --version
 
+      - name: Ensure workspace checkout
+        shell: bash
+        run: |
+          set -euo pipefail
+          ws="${GITHUB_WORKSPACE:-$PWD}"
+          if [ -d "$ws/backend" ]; then
+            echo "Workspace already prepared at $ws"
+            exit 0
+          fi
+
+          mkdir -p "$ws"
+          repo_url="${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git"
+          if [ -n "${GITHUB_TOKEN:-}" ]; then
+            repo_url="$(echo "$repo_url" | sed "s#https://#https://oauth2:${GITHUB_TOKEN}@#")"
+          fi
+
+          git clone --depth 1 "$repo_url" "$ws"
+          if [ -n "${GITHUB_SHA:-}" ]; then
+            git -C "$ws" fetch --depth 1 origin "$GITHUB_SHA" || true
+            git -C "$ws" checkout -f "$GITHUB_SHA" || true
+          fi
+
       - name: Install dependencies (backend)
         working-directory: ./backend
         run: npm ci
@@ -59,6 +81,28 @@ jobs:
           node --version
           npm --version
 
+      - name: Ensure workspace checkout
+        shell: bash
+        run: |
+          set -euo pipefail
+          ws="${GITHUB_WORKSPACE:-$PWD}"
+          if [ -d "$ws/backend" ]; then
+            echo "Workspace already prepared at $ws"
+            exit 0
+          fi
+
+          mkdir -p "$ws"
+          repo_url="${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git"
+          if [ -n "${GITHUB_TOKEN:-}" ]; then
+            repo_url="$(echo "$repo_url" | sed "s#https://#https://oauth2:${GITHUB_TOKEN}@#")"
+          fi
+
+          git clone --depth 1 "$repo_url" "$ws"
+          if [ -n "${GITHUB_SHA:-}" ]; then
+            git -C "$ws" fetch --depth 1 origin "$GITHUB_SHA" || true
+            git -C "$ws" checkout -f "$GITHUB_SHA" || true
+          fi
+
       - name: Install dependencies (backend)
         working-directory: ./backend
         run: npm ci
@@ -79,6 +123,28 @@ jobs:
           node --version
           npm --version
 
+      - name: Ensure workspace checkout
+        shell: bash
+        run: |
+          set -euo pipefail
+          ws="${GITHUB_WORKSPACE:-$PWD}"
+          if [ -d "$ws/backend" ]; then
+            echo "Workspace already prepared at $ws"
+            exit 0
+          fi
+
+          mkdir -p "$ws"
+          repo_url="${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git"
+          if [ -n "${GITHUB_TOKEN:-}" ]; then
+            repo_url="$(echo "$repo_url" | sed "s#https://#https://oauth2:${GITHUB_TOKEN}@#")"
+          fi
+
+          git clone --depth 1 "$repo_url" "$ws"
+          if [ -n "${GITHUB_SHA:-}" ]; then
+            git -C "$ws" fetch --depth 1 origin "$GITHUB_SHA" || true
+            git -C "$ws" checkout -f "$GITHUB_SHA" || true
+          fi
+
       - name: Install dependencies (backend)
         working-directory: ./backend
         run: npm ci
@@ -118,13 +184,47 @@ jobs:
       - name: Verify Flutter toolchain on runner
         run: flutter --version
 
+      - name: Ensure workspace checkout
+        shell: bash
+        run: |
+          set -euo pipefail
+          ws="${GITHUB_WORKSPACE:-$PWD}"
+          mkdir -p "$ws"
+          repo_url="${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git"
+          if [ -n "${GITHUB_TOKEN:-}" ]; then
+            repo_url="$(echo "$repo_url" | sed "s#https://#https://oauth2:${GITHUB_TOKEN}@#")"
+          fi
+
+          if [ ! -d "$ws/.git" ]; then
+            git -C "$ws" init
+            git -C "$ws" remote add origin "$repo_url"
+          else
+            git -C "$ws" remote set-url origin "$repo_url"
+          fi
+
+          ref="${GITHUB_SHA:-${GITHUB_REF_NAME:-main}}"
+          git -C "$ws" fetch --depth 1 origin "$ref"
+          git -C "$ws" checkout -f FETCH_HEAD
+
+          if [ ! -d "$ws/flutter" ]; then
+            echo "Flutter directory missing after checkout: $ws/flutter"
+            ls -la "$ws"
+            exit 1
+          fi
+
       - name: Install dependencies (flutter)
-        working-directory: ./flutter
+        shell: bash
-        run: flutter pub get
+        run: |
+          set -euo pipefail
+          cd "${GITHUB_WORKSPACE:-$PWD}/flutter"
+          flutter pub get
 
       - name: Analyze Flutter code
-        working-directory: ./flutter
+        shell: bash
-        run: flutter analyze
+        run: |
+          set -euo pipefail
+          cd "${GITHUB_WORKSPACE:-$PWD}/flutter"
+          flutter analyze
 
       - name: Set Flutter test mode
         shell: bash
@@ -136,5 +236,8 @@ jobs:
           fi
 
       - name: Run Flutter tests
-        working-directory: ./flutter
+        shell: bash
-        run: ${{ env.FLUTTER_TEST_CMD }}
+        run: |
+          set -euo pipefail
+          cd "${GITHUB_WORKSPACE:-$PWD}/flutter"
+          ${FLUTTER_TEST_CMD}