Fix jq context issue by preserving source reference throughout pipeline

Co-authored-by: phlax <454682+phlax@users.noreply.github.com>

Author: Copilot

.github/workflows/_bazel_registry.yml

@@ -89,27 +89,26 @@ jobs:
         input: ${{ inputs.modules-root }}/modules/${{ inputs.module }}/${{ matrix.version }}/${{ inputs.source }}
         input-format: json-path
         filter: |
-          .
+          . as $source
           | ${{ steps.source.outputs.output }} as $actual
 
           # Check main integrity
-          | if .integrity != $actual.integrity then
+          | (if $source.integrity != $actual.integrity then
               {
-                result: "::error::✗ Integrity does not match (actual: \($actual.integrity), expected: \(.integrity))",
+                result: "::error::✗ Integrity does not match (actual: \($actual.integrity), expected: \($source.integrity))",
                 error: true
               }
             else
               {
                 result: "✓ Integrity matches \($actual.integrity)",
                 error: false
               }
-            end
-          | [.] as $checks
+            end) as $integrity_check
 
           # Check overlay files
-          | if .overlay then
-              $checks + [
-                .overlay
+          | (if $source.overlay then
+              [
+                $source.overlay
                 | to_entries[]
                 | . as $entry
                 | if $actual["overlay:\($entry.key)"] then
@@ -135,14 +134,13 @@ jobs:
                   end
               ]
             else
-              $checks
-            end
-          | . as $checks
+              []
+            end) as $overlay_checks
 
           # Check patch files
-          | if .patches then
-              $checks + [
-                .patches
+          | (if $source.patches then
+              [
+                $source.patches
                 | to_entries[]
                 | . as $entry
                 | if $actual["patches:\($entry.key)"] then
@@ -168,9 +166,11 @@ jobs:
                   end
               ]
             else
-              $checks
-            end
-          | . as $checks
+              []
+            end) as $patch_checks
+
+          # Combine all checks
+          | ([$integrity_check] + $overlay_checks + $patch_checks) as $checks
 
           # Determine if any errors occurred
           | ($checks | map(select(.error)) | length > 0) as $has_errors