Stabilize sandbox smoke and fix docs links

Author: SecAI-Hub

.github/workflows/ci.yml

@@ -406,7 +406,19 @@ jobs:
           python-version: "3.12"
 
       - name: Build sandbox images required for OpenVEX generation
-        run: docker compose -f deploy/sandbox/compose.yaml --profile diffusion build ui agent search-mediator diffusion
+        run: |
+          for attempt in 1 2 3; do
+            if docker compose -f deploy/sandbox/compose.yaml --profile diffusion build ui agent search-mediator diffusion; then
+              exit 0
+            fi
+            if [ "$attempt" -eq 3 ]; then
+              echo "Sandbox image build failed after ${attempt} attempts"
+              exit 1
+            fi
+            sleep_seconds=$((attempt * 20))
+            echo "Sandbox image build failed; retrying in ${sleep_seconds}s"
+            sleep "$sleep_seconds"
+          done
 
       - name: Generate sandbox OpenVEX document
         run: |

docs/install/quickstart.md

@@ -246,8 +246,8 @@ The installer ISO and portable USB image are produced by every tagged release an
 
 ## Next Steps
 
-- [Import a GGUF Model](../examples/import-gguf-model.md)
-- [Enable Web Search](../examples/enable-web-search.md)
-- [Vault Management](../examples/lock-unlock-vault.md)
+- [Import a GGUF Model](../../examples/import-gguf-model.md)
+- [Enable Web Search](../../examples/enable-web-search.md)
+- [Vault Management](../../examples/lock-unlock-vault.md)
 - [Security Dashboard](http://127.0.0.1:8480/security) — verify your appliance health
 - [Why is this safe?](../why-is-this-safe.md) — plain-language security explanation