orion: pin sift 1c57845, brave_llm only for live fixture

RRF original-URL fix. SearXNG and Tavily stay off until Kyle picks a default.

flake.lock

@@ -446,16 +446,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1790192357,
-        "narHash": "sha256-tG3THukZh1woEbmSEWoaDFjQaGE1rdZBTPF3/6OTC4w=",
+        "lastModified": 1790204685,
+        "narHash": "sha256-c7ep2OBvZN6hQchLPoA2vEeWktLPuyltQoe/T/s6n1I=",
         "ref": "refs/heads/master",
-        "rev": "8ca3adec9e53326db063c3e768e81a91037b3765",
-        "revCount": 35,
+        "rev": "1c57845ebd174729709c09131ee1843cbe3f7f48",
+        "revCount": 41,
         "type": "git",
         "url": "ssh://git@git.wntrmute.dev/kyle/sift"
       },
       "original": {
-        "rev": "8ca3adec9e53326db063c3e768e81a91037b3765",
+        "rev": "1c57845ebd174729709c09131ee1843cbe3f7f48",
         "type": "git",
         "url": "ssh://git@git.wntrmute.dev/kyle/sift"
       }

flake.nix

@@ -23,7 +23,7 @@
     tracker.url = "git+https://git.wntrmute.dev/kyle/tracker";
     tracker.inputs.nixpkgs.follows = "nixpkgs";
 
-    sift.url = "git+ssh://git@git.wntrmute.dev/kyle/sift?rev=8ca3adec9e53326db063c3e768e81a91037b3765";
+    sift.url = "git+ssh://git@git.wntrmute.dev/kyle/sift?rev=1c57845ebd174729709c09131ee1843cbe3f7f48";
     sift.inputs.nixpkgs.follows = "nixpkgs";
 
     tether.url = "git+ssh://git@git.wntrmute.dev/kyle/tether?rev=c89894b8dcac89aaea9ad72529524c1204884bc0";

hw/orion/default.nix

@@ -112,11 +112,11 @@
           digest = false;
           cache_ttl = "1h";
           searxng = {
-            enabled = true;
+            enabled = false;
             url = "http://127.0.0.1:8888";
           };
           brave_llm = {
-            enabled = false;
+            enabled = true;
             url = "https://api.search.brave.com/res/v1/llm/context";
           };
           tavily = {