Replace Playwright with requests for login

Playwright is heavyweight and currently broken. The login now uses the OAuth2
token endpoint directly with requests library instead of browser automation.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

schedule.py

@@ -12,7 +12,6 @@ from datetime import date, datetime, timezone
 import ics  # type: ignore
 import jinja2
 import requests
-from playwright.sync_api import Playwright, sync_playwright  # type: ignore
 
 base_dir = os.path.dirname(__file__)
 
@@ -41,28 +40,43 @@ dest = config["location"]["dest"]
 ics_file = config["location"]["ics_file"]
 
 
-def run(playwright: Playwright) -> None:
-    """Login to the Wheelie Fresh Bin website."""
-    browser = playwright.chromium.launch(headless=True)
-    context = browser.new_context()
+def perform_login() -> None:
+    """Login to the Wheelie Fresh Bin website using OAuth2 token endpoint."""
+    session = requests.Session()
 
-    page = context.new_page()
+    # OAuth2 password grant format
+    token_data = {
+        "grant_type": "password",
+        "username": username,
+        "password": password,
+    }
 
-    page.goto(login_url)
-    page.locator('input[name="UserName"]').fill(username)
-    page.locator('input[name="Password"]').fill(password)
-    page.locator('input[name="RememberMe"]').check()
+    # POST to the token endpoint
+    token_url = "https://portal.wheeliefreshbins.com/Token"
+    response = session.post(token_url, data=token_data)
 
-    with page.expect_navigation(url=summary_url):
-        page.locator('input:has-text("Log in")').click()
+    if response.status_code != 200:
+        raise Exception(f"Login failed with status {response.status_code}: {response.text}")
 
-    page.locator('a:has-text("Schedule")').click()
+    # The token endpoint should set the authentication cookie
+    cookie_value = session.cookies.get(".AspNet.Cookies")
+    if not cookie_value:
+        raise Exception("Authentication cookie not found after login")
 
-    page.close()
+    # Save cookie in the same format as Playwright did
+    auth_data = {
+        "cookies": [
+            {
+                "name": ".AspNet.Cookies",
+                "value": cookie_value,
+                "domain": "portal.wheeliefreshbins.com",
+                "path": "/",
+            }
+        ]
+    }
 
-    context.storage_state(path=auth_json_path)
-    context.close()
-    browser.close()
+    with open(auth_json_path, "w") as f:
+        json.dump(auth_data, f, indent=2)
 
 
 def get_cookie_value() -> str:
@@ -92,8 +106,7 @@ def read_html_from_json(r: requests.models.Response) -> str:
 
 def login() -> None:
     """Login to Wheelie Fresh Bins."""
-    with sync_playwright() as playwright:
-        run(playwright)
+    perform_login()
 
 
 def get_schedule_html() -> str | typing.NoReturn: