ci: add retry logic and electron caching to all test jobs

Make yarn install resilient to transient network failures by adding retry loop (3 attempts), network timeout/concurrency flags, and caching electron binaries across runs. Fixes intermittent "server aborted pending request" errors on Mac Apple Silicon CI runner.

Author: plebe1us

.github/workflows/test.yml

@@ -21,8 +21,21 @@ jobs:
           node-version: 22
           cache: 'yarn'
 
+      - name: Cache electron binaries
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/electron
+          key: ${{ runner.os }}-electron-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: ${{ runner.os }}-electron-
+
       - name: Install dependencies
-        run: yarn install --frozen-lockfile --ignore-engines
+        run: |
+          for i in 1 2 3; do
+            echo "yarn install attempt $i"
+            yarn install --frozen-lockfile --ignore-engines --network-timeout 100000 --network-concurrency 1 && break
+            sleep 5
+            [ "$i" = "3" ] && exit 1
+          done
 
       - name: Download IPFS
         run: node electron/download-ipfs && chmod +x bin/linux/ipfs
@@ -75,8 +88,21 @@ jobs:
           # Use pip with --break-system-packages for CI environment
           pip3 install --break-system-packages setuptools || pip3 install --user setuptools || true
 
+      - name: Cache electron binaries
+        uses: actions/cache@v4
+        with:
+          path: ~/Library/Caches/electron
+          key: ${{ runner.os }}-electron-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: ${{ runner.os }}-electron-
+
       - name: Install dependencies
-        run: yarn install --frozen-lockfile --ignore-engines
+        run: |
+          for i in 1 2 3; do
+            echo "yarn install attempt $i"
+            yarn install --frozen-lockfile --ignore-engines --network-timeout 100000 --network-concurrency 1 && break
+            sleep 5
+            [ "$i" = "3" ] && exit 1
+          done
 
       - name: Download IPFS
         run: node electron/download-ipfs && chmod +x bin/mac/ipfs
@@ -135,8 +161,21 @@ jobs:
           # Use pip with --break-system-packages for CI environment
           pip3 install --break-system-packages setuptools || pip3 install --user setuptools || true
 
+      - name: Cache electron binaries
+        uses: actions/cache@v4
+        with:
+          path: ~/Library/Caches/electron
+          key: ${{ runner.os }}-electron-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: ${{ runner.os }}-electron-
+
       - name: Install dependencies
-        run: yarn install --frozen-lockfile --ignore-engines
+        run: |
+          for i in 1 2 3; do
+            echo "yarn install attempt $i"
+            yarn install --frozen-lockfile --ignore-engines --network-timeout 100000 --network-concurrency 1 && break
+            sleep 5
+            [ "$i" = "3" ] && exit 1
+          done
 
       - name: Download IPFS
         run: node electron/download-ipfs && chmod +x bin/mac/ipfs
@@ -195,8 +234,22 @@ jobs:
           node-version: 22
           cache: 'yarn'
 
+      - name: Cache electron binaries
+        uses: actions/cache@v4
+        with:
+          path: ~/AppData/Local/electron/Cache
+          key: ${{ runner.os }}-electron-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: ${{ runner.os }}-electron-
+
       - name: Install dependencies
-        run: yarn install --frozen-lockfile --ignore-engines --network-timeout 100000 --network-concurrency 1
+        shell: bash
+        run: |
+          for i in 1 2 3; do
+            echo "yarn install attempt $i"
+            yarn install --frozen-lockfile --ignore-engines --network-timeout 100000 --network-concurrency 1 && break
+            sleep 5
+            [ "$i" = "3" ] && exit 1
+          done
 
       - name: Download IPFS
         run: node electron/download-ipfs
@@ -257,7 +310,13 @@ jobs:
           java-version: '17'
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile --ignore-engines
+        run: |
+          for i in 1 2 3; do
+            echo "yarn install attempt $i"
+            yarn install --frozen-lockfile --ignore-engines --network-timeout 100000 --network-concurrency 1 && break
+            sleep 5
+            [ "$i" = "3" ] && exit 1
+          done
 
       - name: Build React App
         run: yarn build