feat(migrate): plans importer

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

migrate/sources/plans.js

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+import { readdirSync, readFileSync } from 'node:fs';
+import { join } from 'node:path';
+import * as pages from '../../lib/db/repos/pages.js';
+import * as map from '../../lib/db/repos/migration_map.js';
+
+const SYS = { kind: 'system', id: null };
+const slugify = (s) => s.toLowerCase().replace(/[^a-z0-9]+/g, '-').replace(/(^-|-$)/g, '').slice(0, 60) || 'page';
+function titleOf(body, file) {
+  const m = body.match(/^#\s+(.+)$/m);
+  return m ? m[1].trim() : file.replace(/\.md$/, '');
+}
+
+export async function importPlans({ dir, spaceId, dryRun = false }) {
+  let created = 0;
+  for (const file of readdirSync(dir).filter(f => f.endsWith('.md')).sort()) {
+    if (await map.seen('plans', file, 'page')) continue;
+    const body = readFileSync(join(dir, file), 'utf8');
+    const title = titleOf(body, file);
+    created++;
+    if (dryRun) continue;
+    const page = await pages.create({ space_id: spaceId, slug: slugify(title), title, body_md: body }, SYS);
+    await map.record('plans', file, 'page', page.id);
+  }
+  return { created };
+}

tests/fixtures/plans/alpha.md

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+# Alpha Plan
+body one

tests/fixtures/plans/beta.md

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+# Beta
+body two

tests/migrate/plans.test.js

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+import { describe, it, expect, beforeAll } from 'vitest';
+import { fileURLToPath } from 'url';
+import { pool } from '../../lib/db/pool.js';
+import { resetDb } from '../helpers/db.js';
+import { migrateUp } from '../../lib/db/migrate.js';
+import { ensureSpace } from '../../migrate/spaces.js';
+import { importPlans } from '../../migrate/sources/plans.js';
+
+const DIR = fileURLToPath(new URL('../fixtures/plans', import.meta.url));
+let spaceId;
+beforeAll(async () => { await resetDb(); await migrateUp(); spaceId = await ensureSpace('plans', 'Plans'); });
+
+describe('plans importer', () => {
+  it('imports each .md as a page, idempotently', async () => {
+    const r1 = await importPlans({ dir: DIR, spaceId });
+    expect(r1.created).toBe(2);
+    const { rows } = await pool.query(`SELECT title FROM pages WHERE space_id=$1 ORDER BY title`, [spaceId]);
+    expect(rows.map(r => r.title)).toEqual(['Alpha Plan', 'Beta']);
+    const r2 = await importPlans({ dir: DIR, spaceId });   // re-run
+    expect(r2.created).toBe(0);
+  });
+  it('dry-run writes nothing', async () => {
+    await resetDb(); await migrateUp(); const s = await ensureSpace('plans', 'Plans');
+    const r = await importPlans({ dir: DIR, spaceId: s, dryRun: true });
+    expect(r.created).toBe(2);
+    const { rows } = await pool.query(`SELECT count(*)::int n FROM pages WHERE space_id=$1`, [s]);
+    expect(rows[0].n).toBe(0);
+  });
+});