chore(14-D): bump version 0.3.0a3 → 0.3.0a4

- pyproject.toml version bumped per AGENTS.md release process
- src/supamem/__init__.py __version__ kept in sync (commit c80502c
  precedent)
- PEP 639 license metadata clean (license = "MIT" SPDX, no License ::
  classifier)
- uv build + uvx twine check dist/* PASSED on both wheel and sdist
- uv run pytest: 677 passed, 4 skipped
- uv run ruff check src tests scripts: All checks passed!

Author: dzmitrys-dev

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "supamem"
-version = "0.3.0a3"
+version = "0.3.0a4"
 description = "Project-agnostic dual-memory tooling for Claude Code, Cursor, and opencode"
 readme = "README.md"
 license = "MIT"

src/supamem/__init__.py

@@ -1,2 +1,2 @@
 """supamem — project-agnostic dual-memory tooling."""
-__version__ = "0.3.0a3"
+__version__ = "0.3.0a4"