feat(opencode): migrate agent runtime to v2

opencode.json

@@ -1,32 +1,25 @@
 {
   "$schema": "https://opencode.ai/config.json",
-  "provider": {
+  "providers": {
     "deepseek": {
-      "options": {
+      "settings": {
         "apiKey": "{env:DEEPSEEK_API_KEY}"
       }
     }
   },
   "model": "deepseek/deepseek-v4-flash",
-  "server": {
-    "hostname": "127.0.0.1",
-    "port": 4096
-  },
-  "permission": {
-    "*": "allow",
-    "external_directory": "ask",
-    "bash": {
-      "*": "allow",
-      "rm *": "ask",
-      "rmdir *": "ask",
-      "mv *": "ask",
-      "chmod *": "ask",
-      "chown *": "ask",
-      "sudo *": "ask",
-      "curl *": "ask",
-      "wget *": "ask"
-    },
-    "edit": "ask"
-  },
+  "permissions": [
+    { "action": "*", "resource": "*", "effect": "allow" },
+    { "action": "external_directory", "resource": "*", "effect": "ask" },
+    { "action": "shell", "resource": "rm *", "effect": "ask" },
+    { "action": "shell", "resource": "rmdir *", "effect": "ask" },
+    { "action": "shell", "resource": "mv *", "effect": "ask" },
+    { "action": "shell", "resource": "chmod *", "effect": "ask" },
+    { "action": "shell", "resource": "chown *", "effect": "ask" },
+    { "action": "shell", "resource": "sudo *", "effect": "ask" },
+    { "action": "shell", "resource": "curl *", "effect": "ask" },
+    { "action": "shell", "resource": "wget *", "effect": "ask" },
+    { "action": "edit", "resource": "*", "effect": "ask" }
+  ],
   "default_agent": "instruction"
 }