Fix unhandled SourceControlProviderError in runStackedAction

Wrap sourceControlProvider() call at line 1665 with Effect.catch fallback,
matching the existing pattern in buildCompletionToast. The provider resolution
is only used for cosmetic progress labels and should never abort the commit/push
action.

Author: cursoragent

apps/server/src/git/GitManager.ts

@@ -1663,7 +1663,10 @@ export const makeGitManager = Effect.fn("makeGitManager")(function* () {
         const currentBranch = branchStep.name ?? initialStatus.branch;
         const commitAction = isCommitAction(input.action) ? input.action : null;
         const changeRequestTerms = wantsPr
-          ? getChangeRequestTerminologyForKind((yield* sourceControlProvider(input.cwd)).kind)
+          ? yield* sourceControlProvider(input.cwd).pipe(
+              Effect.map((provider) => getChangeRequestTerminologyForKind(provider.kind)),
+              Effect.catch(() => Effect.succeed(getChangeRequestTerminologyForKind("unknown"))),
+            )
           : null;
 
         const commit = commitAction