feat(wip): Update entities and adopt a proper repository workflow for trip "obtention"

frontend/analysis_options.yaml

@@ -24,5 +24,12 @@ linter:
     # avoid_print: false  # Uncomment to disable the `avoid_print` rule
     # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
 
+# Exclude legacy/experimental code that is not part of the current
+# refactor work. This prevents the analyzer from failing on old files
+# in `lib/old` while we iterate on the new architecture in `lib/`.
+analyzer:
+  exclude:
+    - lib/old/**
+
 # Additional information about this file can be found at
 # https://dart.dev/guides/language/analysis-options