docs(i18n): add agent-scope and sandbox pairs — the batch is complete

最后两篇超长 RFC 经流式通道产出（代理会掐非流式长请求），v4 流水
线同一契约；至此 185 篇批次全部配对，pairing 194 对全绿。

scripts/translation-pairing.manifest.json

@@ -73,6 +73,7 @@
     "docs/rfc/implemented/architecture/2026-07-07-tool-call-timeout-policy.md",
     "docs/rfc/implemented/architecture/2026-07-08-agent-scope-contexts.md",
     "docs/rfc/implemented/architecture/2026-07-10-single-file-executable-sdk-runtime-distribution.md",
+    "docs/rfc/implemented/architecture/2026-07-12-agent-scope-runtime-design.md",
     "docs/rfc/implemented/feature/2026-06-14-acp-agent-client-protocol.md",
     "docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md",
     "docs/rfc/implemented/feature/2026-06-15-code-mode.md",
@@ -92,6 +93,7 @@
     "docs/rfc/implemented/feature/2026-07-05-skill-system.md",
     "docs/rfc/implemented/feature/2026-07-06-approval-seam.md",
     "docs/rfc/implemented/feature/2026-07-06-explicit-tool-order.md",
+    "docs/rfc/implemented/feature/2026-07-06-sandbox.md",
     "docs/rfc/implemented/feature/2026-07-07-mcp-client-plugin.md",
     "docs/rfc/implemented/feature/2026-07-07-session-prefix.md",
     "docs/rfc/implemented/feature/2026-07-08-repeat-tool-guard.md",