add script for clippy annotation

Signed-off-by: Jerens Lensun <jerensslensun@gmail.com>

.gitignore

@@ -71,3 +71,6 @@ support/macos/Brewfile.lock.json
 
 # direnv
 .envrc
+
+# Temporary logs for CI
+/temp

etc/ci/clippy-annotation.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+# Usage: ./clippy-to-annotations.sh < input.json > output.json
+# Will exit with an error if there are no valid annotations.
+
+set -euo pipefail
+
+output=$(jq -c '
+  . as $in
+  | ($in.message.spans // [] | map(select(.is_primary == true)) | first) as $primarySpan
+  | if $primarySpan == null then
+      empty
+    else
+      {
+        path: $primarySpan.file_name,
+        start_line: $primarySpan.line_start,
+        end_line: $primarySpan.line_end,
+        annotation_level: (
+          $in.message.level
+          | if . == "help" or . == "note" then "notice"
+            elif . == "warning" then "warning"
+            else "failure"
+            end
+        ),
+        title: $in.message.message,
+        message: $in.message.rendered
+      }
+      | if .start_line == .end_line then
+          . + {
+            start_column: $primarySpan.column_start,
+            end_column: $primarySpan.column_end
+          }
+        else
+          .
+        end
+    end
+' | jq -s '.')
+
+if [[ "$output" == "[]" || -z "$output" ]]; then
+  echo "❌ No annotations to output." >&2
+  exit 0
+fi
+
+# Output the final result
+echo "$output"