diff --git a/.github/workflows/ci_linux.yml b/.github/workflows/ci_linux.yml
index 471e2aeb..11dae6cd 100644
--- a/.github/workflows/ci_linux.yml
+++ b/.github/workflows/ci_linux.yml
@@ -31,3 +31,13 @@ jobs:
       # 6️⃣ Run all tests (including Python)
       - name: Run all tests
         run: bazel test --verbose_failures //...
+
+      # 7️⃣ Upload test logs
+      - name: Upload test logs - Linux
+        if: always()
+        uses: actions/upload-artifact@v6
+        with:
+          name: bazel-test-logs-linux
+          path: bazel-testlogs/
+          if-no-files-found: ignore
+          retention-days: 30
diff --git a/.github/workflows/ci_macos.yml b/.github/workflows/ci_macos.yml
index 7211123c..90a6d117 100644
--- a/.github/workflows/ci_macos.yml
+++ b/.github/workflows/ci_macos.yml
@@ -30,3 +30,13 @@ jobs:
       # Run all tests (including Python)
       - name: Run all tests
         run: bazelisk test --verbose_failures //...
+
+      # Upload test logs
+      - name: Upload test logs - macOS
+        if: always()
+        uses: actions/upload-artifact@v6
+        with:
+          name: bazel-test-logs-macos
+          path: bazel-testlogs/
+          if-no-files-found: ignore
+          retention-days: 30
\ No newline at end of file
diff --git a/.github/workflows/ci_wasm.yml b/.github/workflows/ci_wasm.yml
index 397285c8..8e5bf543 100644
--- a/.github/workflows/ci_wasm.yml
+++ b/.github/workflows/ci_wasm.yml
@@ -29,4 +29,14 @@ jobs:
 
       # 4️⃣ Smoke test: run solve_board under Node.js — pass if it does not crash
       - name: Smoke test solve_board_wasm
-        run: node bazel-bin/examples/wasm/solve_board.js
\ No newline at end of file
+        run: node bazel-bin/examples/wasm/solve_board.js
+
+      # 5️⃣ Upload test logs
+      - name: Upload test logs - WASM
+        if: always()
+        uses: actions/upload-artifact@v6
+        with:
+          name: bazel-test-logs-wasm
+          path: bazel-testlogs/
+          if-no-files-found: ignore
+          retention-days: 30
\ No newline at end of file
diff --git a/.github/workflows/ci_windows.yml b/.github/workflows/ci_windows.yml
index 9c309941..d228b98d 100644
--- a/.github/workflows/ci_windows.yml
+++ b/.github/workflows/ci_windows.yml
@@ -26,3 +26,13 @@ jobs:
       # Run all tests (including Python)
       - name: Run all tests
         run: bazel test --verbose_failures //...
+
+      # Upload test logs
+      - name: Upload test logs - Windows
+        if: always()
+        uses: actions/upload-artifact@v6
+        with:
+          name: bazel-test-logs-windows
+          path: bazel-testlogs/
+          if-no-files-found: ignore
+          retention-days: 30
\ No newline at end of file