From 0ff3e67568d75bfe74b6cf147b5610fe8827f513 Mon Sep 17 00:00:00 2001
From: JB <jb@jb.codes>
Date: Sat, 19 Sep 2026 09:57:24 -0400
Subject: [PATCH] fix(reference): rebuild pre-index artifacts

---
 src/lib/server/reference/compiler.ts |  2 +-
 tests/reference.test.ts              | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/lib/server/reference/compiler.ts b/src/lib/server/reference/compiler.ts
index 8401ad3..e505dd1 100644
--- a/src/lib/server/reference/compiler.ts
+++ b/src/lib/server/reference/compiler.ts
@@ -26,7 +26,7 @@ export const MANIFEST_FILE = 'manifest.json';
 export const DATABASE_DIRECTORY = 'databases';
 export const CACHE_DIRECTORY = 'sources';
 export const LOCK_DIRECTORY = '.reference-build.lock';
-const DEFAULT_IMPORTER_VERSION = `reference-compiler/${SCHEMA_VERSION}-5`;
+const DEFAULT_IMPORTER_VERSION = `reference-compiler/${SCHEMA_VERSION}-6`;
 
 const emptyManifest = (): ReferenceManifest => ({ format: 1, sources: {} });
 const iso = (date: Date): string => date.toISOString();
diff --git a/tests/reference.test.ts b/tests/reference.test.ts
index d89ae47..4f18a1d 100644
--- a/tests/reference.test.ts
+++ b/tests/reference.test.ts
@@ -321,6 +321,28 @@ describe('fixture reference compiler', () => {
     } finally { await rm(root, { recursive: true, force: true }); }
   });
 
+  test('rebuilds a prior 3-5 artifact missing the verified-station index', async () => {
+    const { root, sources } = await fixtureDirectory();
+    const directory = join(root, 'reference');
+    try {
+      const first = await new ReferenceCompiler({ directory, profile: 'fixture', importerVersion: 'reference-compiler/3-5', sources: fixtureSources(sources) }).compile();
+      expect(first.status).toBe('success');
+      if (first.status !== 'success' || !first.version) throw new Error('initial fixture build did not publish a version');
+      const databasePath = join(directory, 'databases', `${first.version}.sqlite`);
+      const malformed = new Database(databasePath);
+      malformed.run('DROP INDEX stations_source_verified_idx');
+      malformed.close();
+      const rebuilt = await new ReferenceCompiler({ directory, profile: 'fixture', sources: fixtureSources(sources) }).compile();
+      expect(rebuilt.status).toBe('success');
+      expect(rebuilt.status).not.toBe('noop');
+      const rebuiltManifest = await readReferenceManifest(directory);
+      expect(rebuiltManifest.active?.importerVersion).toBe('reference-compiler/3-6');
+      const rebuiltDb = new Database(join(directory, 'databases', `${rebuiltManifest.active!.version}.sqlite`), { readonly: true });
+      try { expect(rebuiltDb.query<{ n: number }, []>("SELECT COUNT(*) AS n FROM sqlite_master WHERE type='index' AND name='stations_source_verified_idx'").get()?.n).toBe(1); }
+      finally { rebuiltDb.close(); }
+    } finally { await rm(root, { recursive: true, force: true }); }
+  });
+
   test('rejects incomplete PREVIOUS count metadata before rollback', async () => {
     const { root, sources } = await fixtureDirectory();
     const directory = join(root, 'reference');