Fix cross-compilation and ensure all tests run on all platforms

- Add detailed error logging for cargo build failures (show both stdout and stderr)
- Install Docker on Windows and macOS CI runners
- Remove continue-on-error from test matrix - tests should fail properly
- Add detailed verification of cross-compilation setup in CI
- Improve Docker availability check in tests

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.pre-commit-config.yaml

@@ -4,7 +4,7 @@ repos:
     hooks:
       - id: rustfmt
         name: rustfmt
-        entry: cargo fmt --
+        entry: cargo fmt -- --check
         language: system
         types: [rust]
         pass_filenames: false