Add initial web editor app, CLI scripts, and test scaffolding.

This introduces the FastAPI editor implementation and related project setup so the app can be run and validated locally.

Made-with: Cursor

tests/test_browser.py

@@ -0,0 +1,91 @@
+import importlib
+import socket
+import subprocess
+import sys
+import time
+from pathlib import Path
+
+import pytest
+
+
+def _is_port_open(port: int) -> bool:
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.settimeout(0.3)
+        return sock.connect_ex(("127.0.0.1", port)) == 0
+
+
+@pytest.mark.integration
+def test_browser_create_file_not_forced_into_new(tmp_path):
+    playwright = pytest.importorskip("playwright.sync_api")
+    sync_playwright = playwright.sync_playwright
+
+    editor_dir = Path(__file__).resolve().parents[1]
+    port = 8123
+    env = dict(**__import__("os").environ, WORKSPACE_ROOT=str(tmp_path))
+
+    server = subprocess.Popen(
+        [
+            sys.executable,
+            "-m",
+            "uvicorn",
+            "app:app",
+            "--app-dir",
+            "src",
+            "--host",
+            "127.0.0.1",
+            "--port",
+            str(port),
+        ],
+        cwd=str(editor_dir),
+        env=env,
+        stdout=subprocess.DEVNULL,
+        stderr=subprocess.DEVNULL,
+    )
+    try:
+        for _ in range(50):
+            if _is_port_open(port):
+                break
+            time.sleep(0.1)
+        else:
+            pytest.fail("Server did not start in time")
+
+        with sync_playwright() as p:
+            try:
+                browser = p.chromium.launch()
+            except Exception as exc:  # pragma: no cover
+                pytest.skip(f"Playwright browser not installed: {exc}")
+
+            page = browser.new_page()
+            page.goto(f"http://127.0.0.1:{port}/editor", wait_until="networkidle")
+            page.click("#new-file-btn")
+            page.fill("#new-filename", "browser-test.txt")
+            page.click("#create-file-btn")
+            page.wait_for_timeout(500)
+            browser.close()
+
+        assert (tmp_path / "browser-test.txt").exists()
+        assert not (tmp_path / "new" / "browser-test.txt").exists()
+    finally:
+        server.terminate()
+        try:
+            server.wait(timeout=3)
+        except subprocess.TimeoutExpired:
+            server.kill()
+
+
+def test_new_file_uses_api_file_route(tmp_path):
+    import editor_app.config as config
+    import editor_app.main as main
+    from fastapi.testclient import TestClient
+
+    config.WORKSPACE_ROOT = tmp_path
+    importlib.reload(main)
+    client = TestClient(main.app)
+
+    response = client.post(
+        "/api/file/code/routing-check.txt",
+        json={"content": "ok"},
+    )
+    assert response.status_code == 200
+    assert (tmp_path / "code" / "routing-check.txt").exists()
+    assert not (tmp_path / "new" / "routing-check.txt").exists()