fix(config): поле uploads_ci вместо ci — раннеры CI выставляют CI=true

У Settings нет префикса env, поэтому переменная CI=true с раннера Gitea
попадала в поле ci и роняла создание настроек во всех тестах.

Refs #11

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/main.py

@@ -100,7 +100,7 @@ async def run(settings: Settings) -> None:
     )
     repo = UploadsRepo(settings.git)
     runner = RunnerClient(settings.runner) if settings.runner.host else None
-    ci = make_ci(settings.ci)
+    ci = make_ci(settings.uploads_ci)
     deployer = Deployer(repo, runner, alerts) if runner else None
     # Without CI and runner there is nothing to watch: the push message just says what was pushed
     pipeline = (
@@ -111,9 +111,9 @@ async def run(settings: Settings) -> None:
             ci,
             deployer,
             commit_url_template=settings.git.commit_url_template,
-            poll_interval=settings.ci.poll_interval,
-            max_poll_interval=settings.ci.max_poll_interval,
-            run_timeout=timedelta(minutes=settings.ci.run_timeout_minutes),
+            poll_interval=settings.uploads_ci.poll_interval,
+            max_poll_interval=settings.uploads_ci.max_poll_interval,
+            run_timeout=timedelta(minutes=settings.uploads_ci.run_timeout_minutes),
         )
         if ci or deployer
         else None
@@ -150,7 +150,7 @@ async def run(settings: Settings) -> None:
         "via proxy" if proxy else "direct",
         "on" if docker else "off",
         settings.llm.provider if agent else "off",
-        settings.ci.provider if ci else "off",
+        settings.uploads_ci.provider if ci else "off",
         settings.runner.host or "off",
     )
     try: