feat: add advanced context actions and optional translation

test/actions.test.js

@@ -0,0 +1,33 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { DEFAULT_SETTINGS as defaults } from '../lib/defaults.js';
+const actions = await import('../lib/actions.js').catch(() => ({}));
+
+test('context prioritizes selection over link and excludes unrelated targets', () => {
+  assert.equal(typeof actions.getContext, 'function');
+  assert.deepEqual(actions.getContext({selectionText:'code',linkUrl:'https://example.com',contexts:['selection','link']}), {kind:'selection',source:'code'});
+  assert.deepEqual(actions.getContext({selectionText:' ',linkUrl:'https://example.com'}), {kind:'link',source:'https://example.com'});
+  assert.equal(actions.getContext({mediaType:'image',pageUrl:'https://example.com'}), null);
+  assert.equal(actions.getContext({editable:true,pageUrl:'https://example.com'}), null);
+  assert.equal(actions.getContext({selectionText:'secret',inputType:'password'}), null);
+  assert.equal(actions.getContext({pageUrl:'https://example.com'}).kind, 'page');
+});
+test('selection actions and optional translation reflect settings', () => {
+  assert.equal(typeof actions.getActions, 'function');
+  assert.deepEqual(actions.getActions({kind:'selection'}, defaults).map(a=>a.id), ['ask','explain','summarize','debug']);
+  const list = actions.getActions({kind:'selection'}, {...defaults,showTranslate:true,translationMode:'preferred',translationLanguage:'A & B'});
+  assert.equal(list.at(-1).title,'Translate to A && B');
+});
+test('dedicated prompts ignore personal template and preserve literal source', () => {
+  assert.equal(typeof actions.renderPrompt, 'function');
+  const request = {actionId:'ask',source:'$& $$ `code` 😀',settings:{...defaults,promptTemplate:'French: {query}'}};
+  assert.equal(actions.renderPrompt(request), 'French: $& $$ `code` 😀');
+  assert.equal(actions.renderPrompt({...request,source:''}), '');
+  for (const actionId of ['explain','summarize','debug']) {
+    const prompt = actions.renderPrompt({...request,actionId});
+    assert.ok(prompt.includes(request.source));
+    assert.ok(!prompt.includes('French:'));
+  }
+  assert.match(actions.renderPrompt({...request,actionId:'translate',language:'Spanish'}), /Spanish/);
+  assert.match(actions.renderPrompt({...request,actionId:'review-link'}), /uncertainty/);
+});