feat(kafka): add SOPS config template

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

configuration.nix

@@ -182,6 +182,37 @@
     content = ''
       [server]
       port = 8889
+      http_timeout = "10s"
+      base_url = "https://search2.ashisgreat.xyz"
+
+      [engines]
+      local_ported = ["wikipedia", "arxiv", "crossref", "braveapi", "qwant", "duckduckgo", "github", "reddit", "bing"]
+
+      [engines.brave]
+      api_key = "${config.sops.placeholder.openclaw_brave_api_key}"
+
+      [cache]
+      address = "127.0.0.1:6379"
+      db = 1
+      default_ttl = "5m"
+
+      [cors]
+      allowed_origins = ["*"]
+
+      [rate_limit]
+      requests = 30
+      window = "1m"
+      cleanup_interval = "5m"
+
+      [global_rate_limit]
+      requests = 0
+      window = "1m"
+
+      [burst_rate_limit]
+      burst = 0
+      burst_window = "5s"
+      sustained = 0
+      sustained_window = "1m"
     '';
   };