feat: replace DiceBear avatar proxy with local Multiavatar SVG generation and remove avatar_style from signup

tests/conftest.py

@@ -47,16 +47,14 @@ def app_server(test_db_path):
     env = os.environ.copy()
     env["DEVPLACE_DATABASE_URL"] = f"sqlite:///{test_db_path}"
     env["SECRET_KEY"] = "test-secret-key"
-    err_path = Path("/tmp/devplace_test_server_err.log")
-    with open(err_path, "w") as err_f:
-        proc = subprocess.Popen(
-            [sys.executable, "-m", "uvicorn", "devplacepy.main:app",
-             "--host", "127.0.0.1", "--port", "10501"],
-            cwd=str(PROJECT_ROOT),
-            env=env,
-            stdout=subprocess.DEVNULL,
-            stderr=err_f,
-        )
+    proc = subprocess.Popen(
+        [sys.executable, "-m", "uvicorn", "devplacepy.main:app",
+         "--host", "127.0.0.1", "--port", "10501"],
+        cwd=str(PROJECT_ROOT),
+        env=env,
+        stdout=subprocess.DEVNULL,
+        stderr=subprocess.DEVNULL,
+    )
     deadline = time.time() + 20
     while time.time() < deadline:
         try:
@@ -69,8 +67,13 @@ def app_server(test_db_path):
         proc.terminate(); proc.wait()
         raise RuntimeError("Server did not start")
     yield proc
-    proc.terminate()
-    proc.wait(timeout=10)
+    try:
+        proc.terminate()
+        proc.wait(timeout=10)
+    except Exception:
+        proc.kill()
+        proc.wait(timeout=5)
+
 
 @pytest.fixture(scope="session")
 def playwright_instance():
@@ -120,11 +123,7 @@ def login_user(page, user):
     page.fill("#email", user["email"])
     page.fill("#password", user["password"])
     page.click("button:has-text('Sign in')")
-    try:
-        page.wait_for_url("**/feed", timeout=10000, wait_until="domcontentloaded")
-    except Exception as e:
-        print(f"\n[LOGIN FAIL] URL: {page.url}, title: {page.title()}, err: {e}")
-        raise
+    page.wait_for_url("**/feed", timeout=10000, wait_until="domcontentloaded")
 
 
 @pytest.fixture(scope="session")