Windows: use --profile to match abi3 wheel; Android: log extractPythonDist

Windows: Flutter's --debug config makes serious_python_windows bundle the
Debug python3XY_d.dll while the cibuildwheel-built abi3 dart_bridge wheel
imports python3.dll, which forwards to the Release python3XY.dll. Use
--profile (Release Python) on the integration test so the embedded
interpreter matches the wheel's link target.

Android: extractPythonDist_<abi> still ends without libpython3.so on disk.
Print the tar path, staging dir, and final tree contents so we can see
whether the task is even running and what include patterns actually match.

Author: FeodorFitsner

.github/workflows/test-bridge-build.yml

@@ -395,9 +395,16 @@ jobs:
 
       - name: Package + run integration test
         working-directory: "src/serious_python_bridge/example"
+        # --profile (vs default --debug) is essential on Windows: serious_python_
+        # windows links/bundles the Debug python3XY_d.dll suffix only on Debug
+        # configs, and the cibuildwheel-built abi3 wheel's python3.dll stub
+        # forwards to the Release python3XY.dll. With --debug we'd need both
+        # python3XY.dll AND python3XY_d.dll bundled, plus python3.dll AND
+        # python3_d.dll — fragile. Profile uses Release Python on the embed
+        # side which matches the abi3 wheel.
         run: |
           dart run serious_python:main package app/src --platform Windows --python-version ${{ matrix.python_version }} --requirements ${{ steps.wheel.outputs.path }}
-          flutter test integration_test -d windows
+          flutter test integration_test -d windows --profile
 
       - name: Diagnostics on failure
         if: failure()

src/serious_python_bridge/android/build.gradle

@@ -112,6 +112,22 @@ android.defaultConfig.ndk.abiFilters.each { abi ->
             fcd.path = fcd.path.replaceAll("^install/android/[^/]+/python-[^/]+/", "")
         }
         includeEmptyDirs = false
+
+        doFirst {
+            println "[serious_python_bridge] extractPythonDist_${abi}: staging to ${stagingDir}"
+            println "[serious_python_bridge]   tar: ${archiveCachePath} (exists=${archiveCachePath.exists()})"
+        }
+        doLast {
+            def libpython = new File(stagingDir, "lib/libpython3.so")
+            def header = new File(stagingDir, "include/python${python_version}/Python.h")
+            println "[serious_python_bridge] extractPythonDist_${abi} done"
+            println "[serious_python_bridge]   ${libpython}: exists=${libpython.exists()}"
+            println "[serious_python_bridge]   ${header}: exists=${header.exists()}"
+            if (!libpython.exists() || !header.exists()) {
+                println "[serious_python_bridge] STAGED CONTENTS:"
+                stagingDir.eachFileRecurse { f -> println "    ${f}" }
+            }
+        }
     }
 
     prepareTasks.add("extractPythonDist_${abi}")