display individual bus route alerts

[panentheos]

Summary of changes

Asana Ticket: Display individual bus route alerts

This adds "no service" messages for individual bus routes when there is an alert present, and no predictions. Also upgrades the stop-level "no service" message with new audio, and fixes a bug in the config loading that prevented bus alerts from loading.

Includes a mapping from bus route to destination name, which was pulled from the API using the included one-off script.

[github-actions]

Coverage of commit 4b5d499

Summary coverage rate:
  lines......: 73.6% (1998 of 2716 lines)
  functions..: 78.8% (550 of 698 functions)
  branches...: no data found

Files changed coverage rate:
                                                             |Lines       |Functions  |Branches    
  Filename                                                   |Rate     Num|Rate    Num|Rate     Num
  =================================================================================================
  lib/pa_ess/utilities.ex                                    |48.1%    310|96.4%    28|    -      0
  lib/signs/bus.ex                                           |85.9%    248|95.5%    44|    -      0
  lib/signs/utilities/signs_config.ex                        |95.2%     21|80.0%     5|    -      0

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[PaulJKim]

Code looks good. Were you able to test this locally though? I'm struggling to create an alert that will trigger the alert messaging, but I'm also not familiar with how OIO's set up bus alerts of this sort.

[panentheos]

I did some local testing, but only with synthetic alert statuses, not producing the status with an actual alert. I had assumed that the data flow would work the same as it currently does for rail alerts, but I agree it would be good to do some end-to-end verification first.

[panentheos]

Ok, I tested locally by adding a route alert in dev (and locally blocking predictions for that route), and the alert message showed as expected.