fix(ci): wait for docs readiness and retain attribution history

Author: waleedlatif1

.github/workflows/docs-negotiation.yml

@@ -178,7 +178,8 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v6
         with:
-          fetch-depth: 2
+          fetch-depth: 0
+          filter: blob:none
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
@@ -404,6 +405,20 @@ jobs:
             exit "$status"
           }
           trap 'finish "$?"' EXIT
+          for attempt in $(seq 1 60); do
+            if ! kill -0 "$DOCS_SERVER_PID" 2>/dev/null; then
+              echo '::error::Documentation server exited before becoming ready.'
+              exit 1
+            fi
+            if curl -fsS --max-time 2 "$DOCS_E2E_BASE_URL/introduction" -o /dev/null; then
+              break
+            fi
+            if [ "$attempt" -eq 60 ]; then
+              echo '::error::Documentation server did not become ready.'
+              exit 1
+            fi
+            sleep 1
+          done
           STATUS=0
           case "$DOCS_ACCEPTANCE_GROUP" in
             http)