Release 0.3.1: clean deps, add guard test

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.3.1] - 2026-03-25
+
+### Fixed
+- Removed accidental `python-dotenv` and `umap-learn` core dependencies that were not used by any widget.
+
 ## [0.3.0] - 2026-03-24
 
 ### Changed
@@ -11,9 +16,6 @@ All notable changes to this project will be documented in this file.
 - `Paint` canvas now respects the `width` and `height` traitlets instead of expanding to fill the host container.
 - `Paint` with `init_image` now resizes the image to match target dimensions upfront, so `get_pil()` returns the correct resolution before the first stroke.
 
-### Added
-- New `HoverZoom` widget — hover over an image to see a magnified side panel, like product zoom on e-commerce sites.
-
 ## [0.2.40] - 2026-03-24
 
 ### Added

mkdocs.yml

@@ -67,6 +67,7 @@ nav:
       - AltairWidget: reference/altair-widget.md
       - ApiDoc: reference/api-doc.md
       - PlaySlider: reference/play-slider.md
+      - HoverZoom: reference/hover-zoom.md
       - Utils: reference/utils.md
 plugins:
   - search

mkdocs/reference/hover-zoom.md

@@ -0,0 +1,12 @@
+# HoverZoom API
+
+::: wigglystuff.hover_zoom.HoverZoom
+
+## Synced traitlets
+
+| Traitlet | Type | Notes |
+| --- | --- | --- |
+| `image` | `str` | Base64-encoded image data. |
+| `zoom_factor` | `float` | Magnification level for the zoom panel. |
+| `width` | `int` | Display width of the source image in pixels. |
+| `height` | `int` | Display height in pixels (0 = auto). |

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "wigglystuff"
-version = "0.3.0"
+version = "0.3.1"
 description = "Collection of Anywidget Widgets"
 readme = "README.md"
 requires-python = ">=3.10"
@@ -18,8 +18,6 @@ dependencies = [
     "drawdata",
     "numpy",
     "pillow",
-    "python-dotenv>=1.2.1",
-    "umap-learn>=0.5.11",
 ]
 
 [project.optional-dependencies]

tests/test_imports.py

@@ -71,3 +71,18 @@ def test_import_scatter_widget():
 
 def test_import_three_widget():
     from wigglystuff.three_widget import ThreeWidget
+
+
+def test_no_unexpected_dependencies():
+    """Guard against accidentally adding dependencies to pyproject.toml."""
+    import tomllib
+    from pathlib import Path
+
+    pyproject = Path(__file__).parent.parent / "pyproject.toml"
+    data = tomllib.loads(pyproject.read_text())
+    deps = {
+        d.split(">")[0].split("<")[0].split("=")[0].split("[")[0].strip()
+        for d in data["project"]["dependencies"]
+    }
+    allowed = {"anywidget", "drawdata", "numpy", "pillow"}
+    assert deps == allowed, f"Unexpected dependencies: {deps - allowed}"