fix(gi): soften boilerplate errors and add empty-prompt message

- Missing GITIGNORE_BOILERPLATE var/file now prints error but continues
  to the API prompt instead of exiting the function
- Empty Enter at the pattern prompt now prints "No patterns selected.
  Skipping API fetch." instead of silently returning

functions/gi.fish

@@ -89,14 +89,10 @@ function gi --description 'Generate .gitignore files using the gitignore.io API'
         if not set -q GITIGNORE_BOILERPLATE
             set_color red --bold
             echo "Error:" (set_color normal)"\$GITIGNORE_BOILERPLATE environment variable is not defined" >&2
-            return 1
-        end
-        if not test -f "$GITIGNORE_BOILERPLATE"
+        else if not test -f "$GITIGNORE_BOILERPLATE"
             set_color red --bold
             echo "Error:" (set_color normal)"Boilerplate file not found at '$GITIGNORE_BOILERPLATE'" >&2
-            return 1
-        end
-
+        else
             set -l template_hash ""
             if command -q md5sum
                 set template_hash (md5sum "$GITIGNORE_BOILERPLATE" | string split ' ')[1]
@@ -115,6 +111,7 @@ function gi --description 'Generate .gitignore files using the gitignore.io API'
                 echo (set_color green)"✔"(set_color normal)" Appended boilerplate to "(set_color cyan)"$readable_path"(set_color normal)
             end
         end
+    end
 
     # Prompt mode: ask for patterns, fetch and dedup each one individually
     if test $do_prompt -eq 1
@@ -132,6 +129,8 @@ function gi --description 'Generate .gitignore files using the gitignore.io API'
                 end
                 __gi_append_dedup "$content" "$pattern" "$gitignore_path" "$readable_path"
             end
+        else
+            echo (set_color brblack)"No patterns selected. Skipping API fetch."(set_color normal)
         end
         return 0
     end