hx/prr: prr syntax highlighting

home/private_dot_config/helix/runtime/queries/prr/private_highlights.scm

@@ -0,0 +1,25 @@
+; PRR syntax highlighting for Helix
+
+; Diff additions and deletions
+(addition) @diff.plus
+(deletion) @diff.minus
+
+; File headers
+(old_file) @diff.minus
+(new_file) @diff.plus
+
+; Diff metadata
+(diff_header) @keyword
+(index_line) @comment
+(chunk_header) @attribute
+
+; Context lines (unchanged diff lines)
+(context_line) @comment
+
+; PRR tag components
+(tag_name) @keyword
+(action) @string
+(tag_content) @comment
+
+; User comments
+(comment_line) @comment