Publish curated ForgeFlow source from 2ed1787c0b52

tests/partial-staging.test.mjs

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+import test from 'node:test';
+import assert from 'node:assert/strict';
+import os from 'node:os';
+import path from 'node:path';
+import fs from 'node:fs/promises';
+import { execFile } from 'node:child_process';
+import { promisify } from 'node:util';
+import gitModule from '../src/main/git-service.cjs';
+
+const exec = promisify(execFile);
+const git = (args, cwd) => exec('git', args, { cwd, encoding: 'utf8' });
+const { GitService, parseUnifiedDiff } = gitModule;
+
+test('unified diff parser separates selectable hunks', () => {
+  const parsed = parseUnifiedDiff('diff --git a/a b/a\n--- a/a\n+++ b/a\n@@ -1 +1 @@\n-old\n+new\n@@ -10 +10 @@\n-x\n+y\n');
+  assert.equal(parsed.hunks.length, 2);
+  assert.equal(parsed.hunks[0].additions, 1);
+  assert.equal(parsed.hunks[1].deletions, 1);
+});
+
+test('stages only selected hunks using a server-generated patch', async (t) => {
+  const root = await fs.mkdtemp(path.join(os.tmpdir(), 'forgeflow-hunks-'));
+  t.after(() => fs.rm(root, { recursive: true, force: true }));
+  await git(['init'], root);
+  await git(['config', 'user.name', 'ForgeFlow Test'], root);
+  await git(['config', 'user.email', 'forgeflow@example.invalid'], root);
+  const original = [...Array(20)].map((_, index) => `line ${index + 1}`).join('\n') + '\n';
+  await fs.writeFile(path.join(root, 'file.txt'), original);
+  await git(['add', '.'], root); await git(['commit', '-m', 'Initial'], root);
+  const lines = original.trimEnd().split('\n'); lines[0] = 'first changed'; lines[19] = 'last changed';
+  await fs.writeFile(path.join(root, 'file.txt'), `${lines.join('\n')}\n`);
+  const service = new GitService();
+  const hunks = await service.diffHunks(root, 'file.txt');
+  assert.equal(hunks.hunks.length, 2);
+  await service.stageHunks(root, 'file.txt', [0]);
+  const staged = (await git(['diff', '--cached'], root)).stdout;
+  const unstaged = (await git(['diff'], root)).stdout;
+  assert.match(staged, /first changed/); assert.doesNotMatch(staged, /last changed/);
+  assert.match(unstaged, /last changed/); assert.doesNotMatch(unstaged, /first changed/);
+  await service.commitStaged(root, 'Commit reviewed hunk');
+  const afterCommit = (await git(['diff'], root)).stdout;
+  assert.match(afterCommit, /last changed/);
+  assert.doesNotMatch(afterCommit, /first changed/);
+});