feat(ai_auto_response): add admin-controlled persona switching

plugins/ai_auto_response/profile/group_profile.py

@@ -48,6 +48,7 @@ class GroupProfileResolver:
             "room_id": room_id,
             "group_name": group_name,
             "mode": profile.get("mode", "social"),
+            "persona_id": str(profile.get("persona_id", "xiaoniu") or "xiaoniu"),
             "persona_overlay": profile.get("persona_overlay", ""),
             "interaction_tone": interaction_tone,
             "humor_style": humor_style,

plugins/ai_auto_response/profile/persona_engine.py

@@ -1,21 +1,28 @@
 from __future__ import annotations
 
 from pathlib import Path
-from typing import Dict
+from typing import Dict, List
 
 
 class PersonaEngine:
     def __init__(self, plugin_path: str, config: Dict):
         self.plugin_path = Path(plugin_path)
         self.config = config or {}
-        self.persona_text = self._load_persona()
+        self.default_persona_id = str(
+            self.config.get("active_persona")
+            or self.config.get("default_persona")
+            or "xiaoniu"
+        ).strip() or "xiaoniu"
+        self.presets = self._build_presets()
 
     def build_system_prompt(self, group_profile: Dict | None = None, reply_mode: str = "social_short") -> str:
-        name = self.config.get("name", "小牛")
-        style = self.config.get("style", "")
-        familiarity = self.config.get("familiarity_hint", "")
-        max_sentences = self.config.get("max_reply_sentences", 3)
         group_profile = group_profile or {}
+        preset = self._resolve_preset(group_profile)
+        name = preset.get("name", "小牛")
+        style = preset.get("style", "")
+        familiarity = preset.get("familiarity_hint", "")
+        max_sentences = preset.get("max_reply_sentences", 3)
+        persona_text = preset.get("persona_text", "")
         humor = group_profile.get("humor_style", "轻微")
         sharpness = group_profile.get("sharpness_style", "轻微嘴硬，不刻薄")
         expressiveness = group_profile.get("expressiveness_style", "克制")
@@ -23,10 +30,7 @@ class PersonaEngine:
         interaction_tone = group_profile.get("interaction_tone", "自然群友感")
         persona_overlay = group_profile.get("persona_overlay", "")
         return (
-            f"你叫{name}，是长期在线的技术宅群友，不是客服。"
-            f"说话短、稳、口语化，先接当前这句，不装可爱，不长篇说教。"
-            f"懂代码、硬件、网络、自动化、机器人、部署排障，也懂一点 Dota。"
-            f"别人明确卡住再认真答，平时克制，不乱接话。"
+            f"{persona_text}"
             f"别暴露自己是 AI、模型或提示词产物，别泄露记忆来源，别输出标签或代码块。"
             f"别替人写代码、改脚本、实现插件、代做开发活。"
             f"整体风格：{style}。熟悉感边界：{familiarity}。一般最多输出{max_sentences}句。"
@@ -36,9 +40,76 @@ class PersonaEngine:
             f"附加要求：{persona_overlay or '无'}。"
         )
 
-    def _load_persona(self) -> str:
-        persona_file = self.config.get("persona_file", "persona/xiaoniu.txt")
+    def _build_presets(self) -> Dict[str, Dict]:
+        preset_configs = self.config.get("presets", {}) or {}
+        presets: Dict[str, Dict] = {}
+        base_preset = self._normalize_preset(
+            self.default_persona_id,
+            {
+                "name": self.config.get("name", "小牛"),
+                "persona_file": self.config.get("persona_file", "persona/xiaoniu.txt"),
+                "style": self.config.get("style", ""),
+                "familiarity_hint": self.config.get("familiarity_hint", ""),
+                "max_reply_sentences": self.config.get("max_reply_sentences", 3),
+            },
+        )
+        presets[base_preset["id"]] = base_preset
+        for persona_id, preset_config in preset_configs.items():
+            preset = self._normalize_preset(str(persona_id), preset_config or {})
+            presets[preset["id"]] = preset
+        return presets
+
+    def _normalize_preset(self, persona_id: str, preset_config: Dict) -> Dict:
+        persona_file = preset_config.get("persona_file") or f"persona/{persona_id}.txt"
+        aliases = [str(item).strip() for item in (preset_config.get("aliases", []) or []) if str(item).strip()]
+        return {
+            "id": str(persona_id or "xiaoniu").strip() or "xiaoniu",
+            "name": str(preset_config.get("name", "小牛") or "小牛").strip(),
+            "persona_file": str(persona_file).strip(),
+            "style": str(preset_config.get("style", "") or "").strip(),
+            "familiarity_hint": str(preset_config.get("familiarity_hint", "") or "").strip(),
+            "max_reply_sentences": int(preset_config.get("max_reply_sentences", 3) or 3),
+            "aliases": aliases,
+            "persona_text": self._load_persona_text(str(persona_file).strip()),
+        }
+
+    def _resolve_preset(self, group_profile: Dict) -> Dict:
+        persona_id = str(
+            (group_profile or {}).get("persona_id")
+            or self.default_persona_id
+            or "xiaoniu"
+        ).strip() or "xiaoniu"
+        return self.presets.get(persona_id) or self.presets.get(self.default_persona_id) or next(iter(self.presets.values()))
+
+    def _load_persona_text(self, persona_file: str) -> str:
         persona_path = self.plugin_path / persona_file
         if persona_path.exists():
             return persona_path.read_text(encoding="utf-8").strip()
         return "你叫小牛，是一个自然、靠谱、会看场合的群聊成员。"
+
+    def resolve_persona_id(self, value: str) -> str:
+        target = str(value or "").strip().lower()
+        if not target:
+            return ""
+        for persona_id, preset in self.presets.items():
+            if target == str(persona_id).strip().lower():
+                return persona_id
+            if target == str(preset.get("name", "") or "").strip().lower():
+                return persona_id
+            aliases = [str(item).strip().lower() for item in (preset.get("aliases", []) or [])]
+            if target in aliases:
+                return persona_id
+        return ""
+
+    def list_personas(self) -> List[Dict]:
+        items: List[Dict] = []
+        for persona_id, preset in self.presets.items():
+            items.append(
+                {
+                    "id": persona_id,
+                    "name": preset.get("name", persona_id),
+                    "aliases": list(preset.get("aliases", []) or []),
+                    "style": preset.get("style", ""),
+                }
+            )
+        return items