Part Request submitter: retry cold first navigation (avoids transient timeout on first component)

scripts/altium365_part_request.py

@@ -122,18 +122,26 @@ def _attach_files(driver, files):
 
 
 def submit_request(driver, base, req, no_submit=False):
-    driver.get(f"{base}/partrequestsmanagement/Tasks/Add")
-    try:
-        _wait(driver, EC.presence_of_element_located((By.ID, "Manufacturer")), t=20)
-    except TimeoutException:
-        url = driver.current_url
-        if any(k in url.lower() for k in ("auth.altium.com", "signin", "login", "oauth")):
+    url = f"{base}/partrequestsmanagement/Tasks/Add"
+    err = None
+    for attempt in range(3):                                   # retry: first nav can be slow/cold
+        driver.get(url)
+        try:
+            _wait(driver, EC.presence_of_element_located((By.ID, "Manufacturer")), t=20)
+            err = None
+            break
+        except TimeoutException as e:
+            err = e
+            time.sleep(2)
+    if err is not None:
+        cur = driver.current_url
+        if any(k in cur.lower() for k in ("auth.altium.com", "signin", "login", "oauth")):
             raise RuntimeError(
                 "NOT SIGNED IN — this Chrome (the one on the debug port) is on the Altium login "
                 "page, so the form never loaded. Open that same Chrome profile, sign into the "
                 "Workspace (keep me signed in), leave it open, and re-run.")
         raise RuntimeError(f"The 'Add new request' form did not load (no #Manufacturer field). "
-                           f"Current page URL: {url}")
+                           f"Current page URL: {cur}")
     _set_text(driver, By.ID, "Manufacturer", req.get("manufacturer", ""))
     _set_text(driver, By.ID, "ManufacturerPartNumbers", req.get("mpn", ""))
     _set_text(driver, By.ID, "Description", req.get("description", ""))