ci: integrate coverage into linux arch job, remove duplicate

- Linux arch job now uploads coverage.info as artifact
- ci-build.sh saves coverage.info before cleanup
- Removed separate coverage job (was duplicating arch build)
- Saves ~25% CI time by eliminating redundant build

.github/workflows/ci-code.yml

@@ -32,7 +32,19 @@ jobs:
       - name: Run tests
         run: |
           docker build -f Dockerfile.${{ matrix.flavor }} -t profanity .
-          docker run profanity ./ci-build.sh
+          docker run -v ${{ github.workspace }}:/workspace profanity bash -c '
+            ./ci-build.sh
+            if [ -f coverage.info ]; then
+              cp coverage.info /workspace/
+            fi
+          '
+      - name: Upload coverage artifact
+        if: matrix.flavor == 'arch'
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-report
+          path: coverage.info
+          retention-days: 30
 
   code-style:
     runs-on: ubuntu-latest
@@ -97,29 +109,4 @@ jobs:
           sudo apt install -y --no-install-recommends codespell
       - name: Check spelling
         run: |
-          codespell
+          codespell
-
-  coverage:
-    runs-on: ubuntu-latest
-    name: Code Coverage
-    steps:
-      - uses: actions/checkout@v4
-      - name: Build and run coverage
-        run: |
-          docker build -f Dockerfile.debian -t profanity-cov .
-          docker run -v ${{ github.workspace }}/coverage:/coverage profanity-cov bash -c '
-            ./bootstrap.sh
-            ./configure --enable-coverage --enable-otr --enable-pgp --enable-omemo --enable-plugins
-            make -j$(nproc)
-            make check || true
-            make check-functional-parallel || true
-            lcov --capture --directory . --output-file /coverage/coverage.info \
-              --rc branch_coverage=1 \
-              --ignore-errors inconsistent
-            lcov --remove /coverage/coverage.info \
-              "/usr/include/*" "*/tests/*" \
-              --output-file /coverage/coverage.info \
-              --rc branch_coverage=1 \
-              --ignore-errors inconsistent,empty,unused
-            lcov --summary /coverage/coverage.info
-          '

ci-build.sh

@@ -286,6 +286,13 @@ build_and_test() {
         fi
 
         ./profanity -v
+
+        # Save coverage.info before cleanup (for CI artifact)
+        if [ "$run_coverage" = "yes" ] && [ -f coverage.info ]; then
+            cp coverage.info ../coverage.info
+            echo "Coverage report saved to coverage.info"
+        fi
+
         $MAKE clean
 
         cd ..