diff --git a/tests/frontend/recherche.test.mjs b/tests/frontend/recherche.test.mjs
new file mode 100644
index 0000000..2204084
--- /dev/null
+++ b/tests/frontend/recherche.test.mjs
@@ -0,0 +1,62 @@
+#!/usr/bin/env node
+/**
+ * ObsiGate — tests de la logique pure de la page « Rechercher partout »
+ * (fusion #68), sans DOM ni jsdom : résolution des bases, liens
+ * profonds et normalisation des 4 formats d'API.
+ *
+ * Le fichier frontend/js/recherche.js est chargé en ESM (frontend/js
+ * est "type": "module") ; ses helpers sont exposés via
+ * globalThis.RecherchePartout. Usage : node tests/frontend/recherche.test.mjs
+ */
+import { strict as assert } from "node:assert";
+import { fileURLToPath, pathToFileURL } from "node:url";
+import path from "node:path";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const JS_FILE = path.resolve(__dirname, "..", "..", "frontend", "js", "recherche.js");
+
+await import(pathToFileURL(JS_FILE).href);
+const rp = globalThis.RecherchePartout;
+assert.ok(rp, "RecherchePartout exposé");
+
+let n = 0;
+const ok = (cond, label) => {
+  assert.ok(cond, label);
+  n += 1;
+};
+
+ok(rp.isDevHost("og-dev.dracodev.net") === true, "dev reconnu");
+ok(rp.isDevHost("x-dev.dracodev.net.evil") === false, "hôte piège rejeté");
+
+const b = rp.resolveBases({
+  host: "og-dev.dracodev.net",
+  explicit: { tiktak: "https://tiktak-perso.example/" },
+  barUrls: {},
+  tabHrefs: {},
+});
+ok(b.tiktak === "https://tiktak-perso.example/", "explicite prioritaire");
+ok(b.obsigate === "https://og-dev.dracodev.net/", "dev pour l'hôte courant");
+ok(b.kanbante === "https://kanbante-dev.dracodev.net/", "dev avant href");
+ok(
+  rp.searchPath("obsigate", "café") === "api/search?q=caf%C3%A9&vault=all&limit=8",
+  "path ObsiGate",
+);
+
+const items = rp.normalize(
+  "obsigate",
+  { results: [{ vault: "home-bruno", path: "Notes/Idée.md", title: "Idée", snippet: "extrait" }] },
+  "https://og-dev.dracodev.net/",
+  "idée",
+);
+ok(
+  items[0].url === "https://og-dev.dracodev.net/#file=home-bruno:Notes%2FId%C3%A9e.md",
+  "lien profond ObsiGate",
+);
+ok(
+  rp.nativeSearchUrl("tiktak", "https://tiktak-dev.dracodev.net/", "q") ===
+    "https://tiktak-dev.dracodev.net/search?q=q",
+  "repli TikTak",
+);
+
+console.log(`recherche.test.mjs : ${n} assertions OK`);