diff --git a/lib/github/install-tracker.ts b/lib/github/install-tracker.ts
index efb6ba2b..b9401c56 100644
--- a/lib/github/install-tracker.ts
+++ b/lib/github/install-tracker.ts
@@ -71,6 +71,12 @@ const COMMON_MONOREPO_CANDIDATES: string[] = [
   "apps/web/app/layout.jsx",
   "apps/web/src/app/layout.tsx",
   "apps/web/src/app/layout.jsx",
+  // Static-HTML sites under apps/web (no framework — e.g. a hand-written
+  // public/index.html served by a static host). The code-search fallback
+  // is flaky for freshly-pushed repos, so probe these explicitly.
+  "apps/web/index.html",
+  "apps/web/public/index.html",
+  "apps/web/src/index.html",
 ];
 
 const BRANCH_PREFIX = "crawlproof/install-stats-tracker";
diff --git a/supabase/migrations/20260625120000_engine_fugu.sql b/supabase/migrations/20260625120000_engine_fugu.sql
new file mode 100644
index 00000000..f8d88091
--- /dev/null
+++ b/supabase/migrations/20260625120000_engine_fugu.sql
@@ -0,0 +1,10 @@
+-- Add Sakana Fugu as a paid OpenAI-compatible audit engine.
+-- The engine landed in code (lib/credits.ts, app/actions/runAudit.ts,
+-- worker/index.ts) but no migration extended audits_engine_check, so any scan
+-- that ran 'fugu' failed with "new row for relation \"audits\" violates check
+-- constraint \"audits_engine_check\"".
+
+alter table public.audits drop constraint if exists audits_engine_check;
+alter table public.audits
+  add constraint audits_engine_check
+  check (engine in ('rule', 'spec', 'dns', 'links', 'vu1nz', 'claude', 'openai', 'gemini', 'qwen', 'kimi', 'deepseek', 'perplexity', 'fugu'));
diff --git a/tests/contract/install-tracker.test.ts b/tests/contract/install-tracker.test.ts
index 6919430a..140a70fa 100644
--- a/tests/contract/install-tracker.test.ts
+++ b/tests/contract/install-tracker.test.ts
@@ -73,6 +73,23 @@ describe("install tracker candidate discovery", () => {
     expect(github.searchRepoCode).toHaveBeenCalledOnce();
   });
 
+  it("finds a static apps/web/public/index.html without code search", async () => {
+    github.files.set(
+      "apps/web/public/index.html",
+      "<!doctype html>\n<html><head></head><body>\n<h1>Hi</h1>\n</body></html>\n",
+    );
+
+    const candidates = await findInstallCandidates({
+      token: "token",
+      owner: "owner",
+      repo: "repo",
+    });
+
+    expect(candidates.map((c) => c.path)).toContain(
+      "apps/web/public/index.html",
+    );
+  });
+
   it("does not double-prefix common monorepo candidates when rootPath is set", async () => {
     github.files.set(
       "apps/web/src/app/layout.tsx",