Update nano-agent URLs to match release workflow structure

Agent-Logs-Url: https://github.com/albert-lv/registry/sessions/0a54b0aa-b7a4-4977-8128-8c942234e96a

Co-authored-by: albert-lv <55610820+albert-lv@users.noreply.github.com>

Author: Claude

nano-agent/agent.json

@@ -11,31 +11,31 @@
   "distribution": {
     "binary": {
       "darwin-aarch64": {
-        "archive": "https://binary-releases.oss-cn-hangzhou.aliyuncs.com/nano/v0.6.21/nano-darwin-arm64.tar.gz",
+        "archive": "https://binary-releases.oss-cn-hangzhou.aliyuncs.com/nano/releases/v0.6.21/nano-darwin-arm64",
         "cmd": "./nano",
         "args": [
           "acp",
           "serve"
         ]
       },
       "darwin-x86_64": {
-        "archive": "https://binary-releases.oss-cn-hangzhou.aliyuncs.com/nano/v0.6.21/nano-darwin-amd64.tar.gz",
+        "archive": "https://binary-releases.oss-cn-hangzhou.aliyuncs.com/nano/releases/v0.6.21/nano-darwin-amd64",
         "cmd": "./nano",
         "args": [
           "acp",
           "serve"
         ]
       },
       "linux-aarch64": {
-        "archive": "https://binary-releases.oss-cn-hangzhou.aliyuncs.com/nano/v0.6.21/nano-linux-arm64.tar.gz",
+        "archive": "https://binary-releases.oss-cn-hangzhou.aliyuncs.com/nano/releases/v0.6.21/nano-linux-arm64",
         "cmd": "./nano",
         "args": [
           "acp",
           "serve"
         ]
       },
       "linux-x86_64": {
-        "archive": "https://binary-releases.oss-cn-hangzhou.aliyuncs.com/nano/v0.6.21/nano-linux-amd64.tar.gz",
+        "archive": "https://binary-releases.oss-cn-hangzhou.aliyuncs.com/nano/releases/v0.6.21/nano-linux-amd64",
         "cmd": "./nano",
         "args": [
           "acp",