Jan2026 fixes (#1077)

* fix release script
* fix svgcanvas edge cases
* Update path-actions.js
* add modern js
* update deps
* Update CHANGES.md

tests/unit/draw-context.test.js

@@ -0,0 +1,75 @@
+import { afterEach, beforeEach, describe, expect, it } from 'vitest'
+import * as draw from '../../packages/svgcanvas/core/draw.js'
+import dataStorage from '../../packages/svgcanvas/core/dataStorage.js'
+
+const NS_SVG = 'http://www.w3.org/2000/svg'
+
+describe('draw context', () => {
+  let currentGroup = null
+  /** @type {{event: string, arg: any}[]} */
+  const calls = []
+  let svgContent
+  let editGroup
+  let sibling
+
+  const canvas = {
+    getDataStorage: () => dataStorage,
+    getSvgContent: () => svgContent,
+    clearSelection: () => {},
+    call: (event, arg) => {
+      calls.push({ event, arg })
+    },
+    getCurrentGroup: () => currentGroup,
+    setCurrentGroup: (group) => {
+      currentGroup = group
+    }
+  }
+
+  beforeEach(() => {
+    draw.init(canvas)
+    draw.leaveContext()
+
+    currentGroup = null
+    calls.length = 0
+    document.body.innerHTML = ''
+
+    svgContent = document.createElementNS(NS_SVG, 'svg')
+    svgContent.id = 'svgcontent'
+    editGroup = document.createElementNS(NS_SVG, 'g')
+    editGroup.id = 'edit'
+    sibling = document.createElementNS(NS_SVG, 'rect')
+    sibling.id = 'sib'
+    sibling.setAttribute('opacity', 'inherit')
+    svgContent.append(editGroup, sibling)
+    document.body.append(svgContent)
+  })
+
+  afterEach(() => {
+    draw.leaveContext()
+    document.body.innerHTML = ''
+  })
+
+  it('ignores unknown element ids', () => {
+    expect(() => draw.setContext('does-not-exist')).not.toThrow()
+    expect(currentGroup).toBe(null)
+    expect(calls.length).toBe(0)
+  })
+
+  it('handles non-numeric opacity and restores it', () => {
+    draw.setContext(editGroup)
+
+    expect(currentGroup).toBe(editGroup)
+    expect(calls[0]).toStrictEqual({ event: 'contextset', arg: editGroup })
+    expect(sibling.getAttribute('opacity')).toBe('0.33')
+    expect(sibling.getAttribute('style')).toBe('pointer-events: none')
+    expect(dataStorage.get(sibling, 'orig_opac')).toBe('inherit')
+
+    draw.leaveContext()
+
+    expect(currentGroup).toBe(null)
+    expect(calls[1]).toStrictEqual({ event: 'contextset', arg: null })
+    expect(sibling.getAttribute('opacity')).toBe('inherit')
+    expect(sibling.getAttribute('style')).toBe('pointer-events: inherit')
+    expect(dataStorage.has(sibling, 'orig_opac')).toBe(false)
+  })
+})