feat(build): Improve base_ref logging visibility

- Add debug logging when base_ref is found
- Use info level logging when base_ref cannot be detected for CI visibility

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: runningcode

src/commands/build/upload.rs

@@ -182,11 +182,11 @@ pub fn execute(matches: &ArgMatches) -> Result<()> {
                             Some(base_ref_name)
                         }
                         Ok(None) => {
-                            debug!("No base branch reference found (no local branch points to merge-base)");
+                            info!("No base branch reference found (no local branch points to merge-base)");
                             None
                         }
                         Err(e) => {
-                            debug!("Error getting base branch reference: {}", e);
+                            info!("Could not detect base branch reference: {}", e);
                             None
                         }
                     })

src/utils/vcs.rs

@@ -296,6 +296,7 @@ fn find_merge_base_ref(
         if let Ok(branch_commit) = branch.get().peel_to_commit() {
             if branch_commit.id() == merge_base_oid {
                 if let Some(branch_name) = branch.name()? {
+                    debug!("Found base branch reference: {}", branch_name);
                     return Ok(Some(branch_name.to_owned()));
                 }
             }