fix(git): prevent fatal error for missing 'origin' remote

src/utils/git.ts

@@ -33,6 +33,16 @@
   git: SimpleGit,
   remoteName: string,
 ): Promise<string> {
+  // Verify the remote exists before attempting to contact it, so we can
+  // surface a clear error instead of a raw git exit-code-128 failure.
+  const remotes = await git.getRemotes(false);
+  if (!remotes.some(r => r.name === remoteName)) {
+    throw new ConfigurationError(
+      `Remote '${remoteName}' is not configured in this repository. ` +
+        `Ensure the repository has a remote named '${remoteName}' before running craft.`,
+    );
+  }
+
   // This part is courtesy of https://stackoverflow.com/a/62397081/90297
   return stripRemoteName(
     await git
@@ -228,7 +238,7 @@
 
   try {
     await git.fetch();
   } catch (_err) {
     logger.debug('Failed to fetch from remote, using locally cached refs');
   }
 
@@ -236,7 +246,7 @@
   try {
     const output = await git.raw('branch', '-r');
     allBranches = parseGitBranchOutput(output);
   } catch (_err) {
     logger.debug('Failed to list remote branches');
     return { exactMatches: [], fuzzyMatches: [] };
   }