feat(governance): add remediation dry run entrypoint

apps/web/messages/en.json

@@ -1414,6 +1414,11 @@
         "recentFindings": "Recent Non-success Verification",
         "remediationQueue": "Remediation Work Queue",
         "queueSummary": "Total {total}; AI-ready {ready}; human {human}",
+        "dryRunButton": "Dry run",
+        "dryRunLoading": "Running",
+        "dryRunResult": "{mode}; preview {result}; tools {tools}",
+        "dryRunBlocked": "Dry run blocked",
+        "dryRunError": "Dry run failed",
         "state": {
           "ok": "OK",
           "warning": "Needs tracking",

apps/web/messages/zh-TW.json

@@ -1415,6 +1415,11 @@
         "recentFindings": "近期非成功驗證",
         "remediationQueue": "補救工作佇列",
         "queueSummary": "總數 {total}；AI 可接手 {ready}；人工 {human}",
+        "dryRunButton": "試跑",
+        "dryRunLoading": "試跑中",
+        "dryRunResult": "{mode}；預覽 {result}；工具 {tools}",
+        "dryRunBlocked": "試跑未放行",
+        "dryRunError": "試跑失敗",
         "state": {
           "ok": "正常",
           "warning": "需追蹤",