chore(pi): update subagent package name and adjust model config

config/mise/config.toml

@@ -26,7 +26,7 @@ worktrunk = "latest"
 run = [
     'pi install npm:pi-lens',
     'pi install npm:pi-native-search',
-    'pi install npm:@tintinweb/pi-subagents',
+    'pi install npm:pi-subagents',
     'pi install npm:context-mode',
     'pi install npm:@gotgenes/pi-permission-system',
     'test -x /usr/bin/pass && /usr/bin/pass show config/pi/auth.json > ~/.pi/agent/auth.json'

config/pi/agent/settings.json

@@ -1,8 +1,8 @@
 {
   "lastChangelogVersion": "0.81.0",
   "theme": "light/dark",
-  "defaultProvider": "opencode-go",
+  "defaultProvider": "openai-codex",
-  "defaultModel": "deepseek-v4-flash",
+  "defaultModel": "gpt-5.6-luna",
   "defaultThinkingLevel": "high",
   "hideThinkingBlock": true,
   "compaction": {
@@ -35,15 +35,14 @@
     "npm:@gotgenes/pi-permission-system",
     "npm:pi-native-search",
     "npm:context-mode",
-    "npm:@tintinweb/pi-subagents"
+    "npm:pi-subagents"
   ],
   "subagents": {
     "agentOverrides": {
       "reviewer": {
-        "model": "opencode-go/mimo-v2.5-pro",
+        "model": "opencode-go/hy3",
-        "fallbackModels": [
+        "fallbackModels": [ "openai-codex/gpt-5.6-luna" ],
-          "openai/gpt-5-mini"
+        "thinking": "low"
-        ]
       },
       "planner": {
         "model": "opencode-go/qwen3.7-plus"
@@ -52,7 +51,8 @@
         "model": "opencode-go/kimi-k2.7-code"
       },
       "oracle": {
-        "model": "opencode-go/qwen3.7-max",
+        "model": "openai-codex/gpt-5.6-luna",
+        "fallbackModels": [ "opencode-go/qwen3.7-max" ],
         "thinking": "high"
       }
     }