chore(providers): refresh catalogs, free tiers, and hide stale ones

Update model lists and context lengths across free/apikey providers,
move bazaarlink, kilo-gateway, and kimchi into freeTier, demote llm7 to
apikey, and hide bluesminds, sambanova, zed, and mimo-free.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

open-sse/providers/registry/sambanova.js

@@ -3,6 +3,7 @@ export default {
   alias: "samba",
   aliases: ["sambanova-ai"],
   uiAlias: "samba",
+  hidden: true,
   display: {
     name: "SambaNova",
     icon: "memory",
@@ -21,10 +22,6 @@ export default {
     validateUrl: "https://api.sambanova.ai/v1/models",
   },
   models: [
-    { id: "MiniMax-M2.7", name: "MiniMax M2.7" },
-    { id: "DeepSeek-V3.2", name: "DeepSeek V3.2" },
-    { id: "Llama-4-Maverick-17B-128E-Instruct", name: "Llama 4 Maverick 17B 128E" },
-    { id: "Meta-Llama-3.3-70B-Instruct", name: "Meta Llama 3.3 70B" },
-    { id: "gpt-oss-120b", name: "GPT-OSS 120B" },
+    { id: "MiniMax-M2.7", name: "MiniMax M2.7", contextLength: 196608 },
   ],
 };