From 32f35650f01c380b84c3d3dcf494ef6f0ad45db9 Mon Sep 17 00:00:00 2001
From: Dotta <bippadotta@protonmail.com>
Date: Tue, 27 Oct 2026 05:49:06 -0500
Subject: [PATCH] Resolve actual extensionless TSX fingerprint dependencies

---
 .../chat-catalog-fingerprint.test.ts          | 20 ++++++++++++++++++-
 tests/runner-e2e/chat-catalog-fingerprint.ts  |  2 +-
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/tests/runner-e2e/chat-catalog-fingerprint.test.ts b/tests/runner-e2e/chat-catalog-fingerprint.test.ts
index 1f41a22fb17..5f51aa824f4 100644
--- a/tests/runner-e2e/chat-catalog-fingerprint.test.ts
+++ b/tests/runner-e2e/chat-catalog-fingerprint.test.ts
@@ -1,4 +1,4 @@
-import { mkdtempSync, writeFileSync, rmSync } from "node:fs";
+import { mkdtempSync, writeFileSync, rmSync, mkdirSync } from "node:fs";
 import { tmpdir } from "node:os";
 import path from "node:path";
 import { pathToFileURL } from "node:url";
@@ -89,3 +89,21 @@ it("replays the retained public name-only identity after raw selected inputs hav
   expect(chatCatalogCaseFingerprint(descriptor, execution, names).digest).toBe(before);
   expect(() => chatCatalogCaseFingerprint(descriptor, execution)).toThrow();
 });
+
+it("binds extensionless TSX components and directory TSX entries", () => {
+  const f = fixture(); mkdirSync(path.join(f.root, "nested"));
+  f.write("selected.ts", 'export { value } from "./Component";');
+  f.write("Component.tsx", 'export { value } from "./nested";');
+  f.write("nested/index.tsx", 'export const value = "actual component";');
+  const before = f.fingerprint();
+  f.write("nested/index.tsx", 'export const value = "changed component";');
+  expect(f.fingerprint()).not.toBe(before);
+  expect(fingerprintChatDependencyClosure({ root: f.root, entries: ["selected.ts"], selected: {} }).sources.map(row => row.file))
+    .toEqual(expect.arrayContaining(["Component.tsx", "nested/index.tsx"]));
+});
+it("rejects a missing extensionless component instead of binding an unrelated TSX file", () => {
+  const f = fixture();
+  f.write("selected.ts", 'export { value } from "./MissingComponent";');
+  f.write("OtherComponent.tsx", 'export const value = "unrelated";');
+  expect(f.fingerprint).toThrow("Unresolved fingerprint dependency: ./MissingComponent");
+});
diff --git a/tests/runner-e2e/chat-catalog-fingerprint.ts b/tests/runner-e2e/chat-catalog-fingerprint.ts
index 5c02c08f457..3b2ef639939 100644
--- a/tests/runner-e2e/chat-catalog-fingerprint.ts
+++ b/tests/runner-e2e/chat-catalog-fingerprint.ts
@@ -15,7 +15,7 @@ const hash = (value: string) => createHash("sha256").update(value).digest("hex")
 function resolveSource(specifier: string, parent: string): string {
   const absolute = path.resolve(path.dirname(parent), specifier);
   const candidates = [absolute.replace(/\.js$/, ".ts"), absolute.replace(/\.js$/, ".tsx"), absolute,
-    `${absolute}.ts`, path.join(absolute, "index.ts")];
+    `${absolute}.ts`, `${absolute}.tsx`, path.join(absolute, "index.ts"), path.join(absolute, "index.tsx")];
   const found = candidates.find(candidate => existsSync(candidate) && statSync(candidate).isFile());
   if (!found) throw new Error(`Unresolved fingerprint dependency: ${specifier} from ${parent}`);
   return found;