yazelin
diff --git a/‎backend/migrations/versions/009_add_bot_usage_tracking.py‎
Lines changed: 33 additions & 0 deletions b/‎backend/migrations/versions/009_add_bot_usage_tracking.py‎
Lines changed: 33 additions & 0 deletions
diff --git a/‎backend/src/ching_tech_os/api/linebot_router.py‎
Lines changed: 78 additions & 12 deletions b/‎backend/src/ching_tech_os/api/linebot_router.py‎
Lines changed: 78 additions & 12 deletions
diff --git a/‎backend/src/ching_tech_os/config.py‎
Lines changed: 32 additions & 0 deletions b/‎backend/src/ching_tech_os/config.py‎
Lines changed: 32 additions & 0 deletions
diff --git a/‎backend/src/ching_tech_os/main.py‎
Lines changed: 4 additions & 0 deletions b/‎backend/src/ching_tech_os/main.py‎
Lines changed: 4 additions & 0 deletions
diff --git a/‎backend/src/ching_tech_os/models/knowledge.py‎
Lines changed: 5 additions & 0 deletions b/‎backend/src/ching_tech_os/models/knowledge.py‎
Lines changed: 5 additions & 0 deletions
diff --git a/‎backend/src/ching_tech_os/services/bot/command_handlers.py‎
Lines changed: 139 additions & 0 deletions b/‎backend/src/ching_tech_os/services/bot/command_handlers.py‎
Lines changed: 139 additions & 0 deletions
@@ -0,0 +1,33 @@
+"""新增 bot_usage_tracking 資料表
+
+追蹤未綁定用戶的訊息使用量，支援 rate limiting。
+
+Revision ID: 009
+"""
+
+from alembic import op
+
+revision = "009"
+down_revision = "008"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.execute("""
+        CREATE TABLE bot_usage_tracking (
+            id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+            bot_user_id UUID NOT NULL REFERENCES bot_users(id) ON DELETE CASCADE,
+            period_type VARCHAR(10) NOT NULL,
+            period_key VARCHAR(20) NOT NULL,
+            message_count INT NOT NULL DEFAULT 0,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+            UNIQUE(bot_user_id, period_type, period_key)
+        )
+    """)
+    # UNIQUE 約束已隱含建立唯一索引，無需額外 CREATE INDEX
+
+
+def downgrade() -> None:
+    op.execute("DROP TABLE IF EXISTS bot_usage_tracking")
@@ -79,6 +79,8 @@
     check_line_access,
     update_group_settings,
     reply_text,
+    push_text,
+    get_line_user_record,
 )
 from ..services.linebot_ai import handle_text_message
 
@@ -259,21 +261,85 @@ async def process_message_event(event: MessageEvent) -> None:
 
         if not has_access:
             if deny_reason == "user_not_bound":
-                # 個人對話：回覆提示訊息
-                if not is_group and event.reply_token:
+                # 身份分流：根據策略決定拒絕或進入受限模式
+                from ..services.bot.identity_router import (
+                    route_unbound,
+                    handle_restricted_mode,
+                )
+
+                route_result = route_unbound(
+                    platform_type="line", is_group=is_group
+                )
+                if route_result.action == "reject":
+                    if event.reply_token:
+                        try:
+                            await reply_text(event.reply_token, route_result.reply_text)
+                        except Exception as e:
+                            logger.warning(f"回覆未綁定訊息失敗: {e}")
+                elif route_result.action == "restricted":
+                    # 受限模式：先攔截斜線指令
+                    from ..services.bot.commands import router as cmd_router
+
+                    parsed_cmd = cmd_router.parse(content)
+                    if parsed_cmd:
+                        cmd, cmd_args = parsed_cmd
+                        from ..services.bot.commands import CommandContext
+
+                        cmd_ctx = CommandContext(
+                            platform_type="line",
+                            platform_user_id=line_user_id,
+                            bot_user_id=str(user_uuid),
+                            ctos_user_id=None,  # 未綁定
+                            is_admin=False,
+                            is_group=is_group,
+                            group_id=str(group_uuid) if group_uuid else None,
+                            reply_token=event.reply_token,
+                            raw_args=cmd_args,
+                        )
+                        cmd_reply = await cmd_router.dispatch(cmd, cmd_args, cmd_ctx)
+                        if cmd_reply and event.reply_token:
+                            try:
+                                await reply_text(event.reply_token, cmd_reply)
+                            except Exception:
+                                await push_text(line_user_id, cmd_reply)
+                        return
+
+                    # 受限模式 AI 處理
                     try:
-                        await reply_text(
-                            event.reply_token,
-                            "請先在 CTOS 系統綁定您的 Line 帳號才能使用此服務。\n\n"
-                            "步驟：\n"
-                            "1. 登入 CTOS 系統\n"
-                            "2. 進入 Line Bot 管理頁面\n"
-                            "3. 點擊「綁定 Line 帳號」產生驗證碼\n"
-                            "4. 將驗證碼發送給我完成綁定",
+                        # 取得使用者顯示名稱
+                        display_name = None
+                        user_row = await get_line_user_record(
+                            line_user_id, "display_name"
+                        )
+                        if user_row:
+                            display_name = user_row["display_name"]
+
+                        reply = await handle_restricted_mode(
+                            content=content,
+                            platform_user_id=line_user_id,
+                            bot_user_id=str(user_uuid),
+                            is_group=is_group,
+                            line_group_id=group_uuid,
+                            message_uuid=message_uuid,
+                            user_display_name=display_name,
                         )
+                        if reply:
+                            # reply_token 可能在長時間 AI 處理後過期，
+                            # 先嘗試 reply，失敗則 fallback 到 push
+                            if event.reply_token:
+                                try:
+                                    await reply_text(event.reply_token, reply)
+                                except Exception:
+                                    await push_text(line_user_id, reply)
+                            else:
+                                await push_text(line_user_id, reply)
                     except Exception as e:
-                        logger.warning(f"回覆未綁定訊息失敗: {e}")
-                # 群組對話：靜默不回應
+                        logger.error(f"受限模式 AI 處理失敗: {e}", exc_info=True)
+                        try:
+                            await push_text(line_user_id, "抱歉，處理訊息時發生錯誤，請稍後再試。")
+                        except Exception as push_e:
+                            logger.warning(f"推送錯誤訊息失敗: {push_e}")
+                # silent: 群組靜默忽略
             elif deny_reason == "group_not_allowed":
                 # 群組未開啟 AI 回應，靜默不回應
                 pass
 
@@ -150,6 +150,38 @@ class Settings:
         "ctos",                # 系統簡稱
     ]
 
+    # ===================
+    # Bot 多模式平台設定
+    # ===================
+    # 未綁定用戶策略：reject（預設，拒絕並提示綁定）/ restricted（走受限模式 Agent）
+    bot_unbound_user_policy: str = _get_env("BOT_UNBOUND_USER_POLICY", "reject")
+    # 受限模式使用的 AI 模型（控制成本，預設用較輕量的 haiku）
+    bot_restricted_model: str = _get_env("BOT_RESTRICTED_MODEL", "haiku")
+    # Debug 模式使用的 AI 模型
+    bot_debug_model: str = _get_env("BOT_DEBUG_MODEL", "sonnet")
+    # 頻率限制開關（僅在 restricted 模式下生效）
+    bot_rate_limit_enabled: bool = _get_env_bool("BOT_RATE_LIMIT_ENABLED", True)
+    # 每小時訊息上限（未綁定用戶）
+    bot_rate_limit_hourly: int = _get_env_int("BOT_RATE_LIMIT_HOURLY", 20)
+    # 每日訊息上限（未綁定用戶）
+    bot_rate_limit_daily: int = _get_env_int("BOT_RATE_LIMIT_DAILY", 50)
+    # 驗證 hourly <= daily（若設定不合理則修正）
+    if bot_rate_limit_hourly > bot_rate_limit_daily:
+        logger.warning(
+            "BOT_RATE_LIMIT_HOURLY (%d) > BOT_RATE_LIMIT_DAILY (%d)，"
+            "將 hourly 限制調整為與 daily 相同",
+            bot_rate_limit_hourly,
+            bot_rate_limit_daily,
+        )
+        bot_rate_limit_hourly = bot_rate_limit_daily
+
+    # 圖書館公開資料夾（逗號分隔，未綁定用戶只能看到這些資料夾）
+    library_public_folders: list[str] = [
+        f.strip()
+        for f in _get_env("LIBRARY_PUBLIC_FOLDERS", "產品資料,教育訓練").split(",")
+        if f.strip()
+    ]
+
     # ===================
     # Telegram Bot 設定
     # ===================
 
@@ -117,6 +117,10 @@ async def lifespan(app: FastAPI):
         app.state.skillhub_client = SkillHubClient()
     await init_db_pool()
 
+    # 註冊 Bot 斜線指令
+    from .services.bot.command_handlers import register_builtin_commands
+    register_builtin_commands()
+
     # 啟動模組初始化（依啟停狀態）
     for module_id, info in get_module_registry().items():
         if not is_module_enabled(module_id):
 
@@ -66,6 +66,7 @@ class KnowledgeCreate(BaseModel):
     category: str = "technical"
     scope: str = "personal"  # 預設為個人知識（global、personal 或 project）
     project_id: str | None = None  # 關聯專案 UUID（scope=project 時使用）
+    is_public: bool = False  # 是否允許未綁定用戶查詢
     tags: KnowledgeTags = Field(default_factory=KnowledgeTags)
     source: KnowledgeSource | None = None
     related: list[str] = Field(default_factory=list)
@@ -81,6 +82,7 @@ class KnowledgeUpdate(BaseModel):
     category: str | None = None
     scope: str | None = None  # global, personal, project
     owner: str | None = None  # 擁有者帳號（設為空字串可清除）
+    is_public: bool | None = None  # 是否允許未綁定用戶查詢
     tags: KnowledgeTags | None = None
     source: KnowledgeSource | None = None
     related: list[str] | None = None
@@ -96,6 +98,7 @@ class KnowledgeResponse(BaseModel):
     scope: str = "global"  # global、personal 或 project
     owner: str | None = None  # 擁有者帳號（個人知識用）
     project_id: str | None = None  # 關聯專案 UUID（專案知識用）
+    is_public: bool = False  # 是否允許未綁定用戶查詢
     tags: KnowledgeTags
     source: KnowledgeSource
     related: list[str]
@@ -116,6 +119,7 @@ class KnowledgeListItem(BaseModel):
     scope: str = "global"  # global、personal 或 project
     owner: str | None = None  # 擁有者帳號（個人知識用）
     project_id: str | None = None  # 關聯專案 UUID（專案知識用）
+    is_public: bool = False  # 是否允許未綁定用戶查詢
     tags: KnowledgeTags
     author: str
     updated_at: date
@@ -176,6 +180,7 @@ class IndexEntry(BaseModel):
     scope: str = "global"  # global、personal 或 project
     owner: str | None = None  # 擁有者帳號（個人知識用）
     project_id: str | None = None  # 關聯專案 UUID（專案知識用）
+    is_public: bool = False  # 是否允許未綁定用戶查詢
     tags: KnowledgeTags
     author: str
     created_at: str
 
@@ -0,0 +1,139 @@
+"""內建指令 handler
+
+註冊所有內建的斜線指令到 CommandRouter。
+"""
+
+from __future__ import annotations
+
+import logging
+import re
+import time
+
+from .commands import CommandContext, SlashCommand, router
+from ..bot_line.trigger import reset_conversation
+
+logger = logging.getLogger(__name__)
+
+
+async def _handle_reset(ctx: CommandContext) -> str | None:
+    """重置對話歷史"""
+    # 群組檢查已由 CommandRouter.dispatch() 的 private_only 處理
+    await reset_conversation(ctx.platform_user_id)
+    return "已清除對話歷史，開始新對話！有什麼可以幫你的嗎？"
+
+
+async def _handle_debug(ctx: CommandContext) -> str | None:
+    """管理員系統診斷指令
+
+    使用 bot-debug Agent 和 debug-skill 腳本分析系統狀態。
+    """
+    from .. import ai_manager
+    from ..claude_agent import call_claude
+    from ..bot.ai import parse_ai_response
+    from ...config import settings
+
+    # 取得 bot-debug Agent
+    agent = await ai_manager.get_agent_by_name("bot-debug")
+    if not agent:
+        return "⚠️ bot-debug Agent 不存在，請確認系統已正確初始化。"
+
+    # 取得 system prompt
+    system_prompt_data = agent.get("system_prompt")
+    if isinstance(system_prompt_data, dict):
+        system_prompt = system_prompt_data.get("content", "")
+    else:
+        system_prompt = ""
+
+    if not system_prompt:
+        return "⚠️ bot-debug Agent 缺少 system_prompt 設定。"
+
+    # 取得 Agent 定義的工具
+    agent_tools = agent.get("tools") or ["run_skill_script"]
+
+    # 準備 prompt（使用者的問題描述，或預設「分析系統目前狀態」）
+    user_problem = ctx.raw_args.strip() if ctx.raw_args else ""
+    if user_problem:
+        prompt = f"管理員問題：{user_problem}"
+    else:
+        prompt = "請執行系統綜合健康檢查（check-system-health），分析目前系統狀態並回報結果。"
+
+    # 呼叫 Claude CLI
+    model = settings.bot_debug_model
+    start_time = time.time()
+
+    try:
+        response = await call_claude(
+            prompt=prompt,
+            model=model,
+            system_prompt=system_prompt,
+            timeout=180,  # 3 分鐘（診斷腳本可能需要時間）
+            tools=agent_tools,
+            ctos_user_id=ctx.ctos_user_id,
+        )
+    except Exception:
+        logger.exception("Debug 指令 AI 呼叫失敗")
+        return "⚠️ 診斷執行失敗，請查看系統日誌。"
+
+    duration_ms = int((time.time() - start_time) * 1000)
+    logger.info(f"/debug 診斷完成，耗時 {duration_ms}ms")
+
+    # 記錄 AI Log
+    try:
+        from ..linebot_ai import log_linebot_ai_call
+
+        await log_linebot_ai_call(
+            message_uuid=None,
+            line_group_id=None,
+            is_group=False,
+            input_prompt=prompt,
+            history=None,
+            system_prompt=system_prompt,
+            allowed_tools=agent_tools,
+            model=model,
+            response=response,
+            duration_ms=duration_ms,
+            context_type_override="bot-debug",
+        )
+    except Exception:
+        logger.warning("記錄 /debug AI Log 失敗", exc_info=True)
+
+    # 解析回應
+    reply_text, _files = parse_ai_response(response.message)
+
+    if not reply_text:
+        return "診斷完成，但未產生回報內容。"
+
+    # 過濾 FILE_MESSAGE（debug 不需要檔案傳送）
+    reply_text = re.sub(r"\[FILE_MESSAGE:[^\]]+\]", "", reply_text).strip()
+
+    return reply_text or "診斷完成，但未產生回報內容。"
+
+
+def register_builtin_commands() -> None:
+    """註冊所有內建指令"""
+
+    # /reset 指令（包含所有別名）
+    router.register(
+        SlashCommand(
+            name="reset",
+            aliases=["新對話", "新对话", "清除對話", "清除对话", "忘記", "忘记"],
+            handler=_handle_reset,
+            require_bound=False,  # 受限模式用戶也可以重置
+            require_admin=False,
+            private_only=True,
+        )
+    )
+
+    # /debug 指令（管理員專用，僅限個人對話）
+    router.register(
+        SlashCommand(
+            name="debug",
+            aliases=["診斷", "diag"],
+            handler=_handle_debug,
+            require_bound=True,
+            require_admin=True,
+            private_only=True,
+        )
+    )
+
+    logger.info(f"已註冊 {len({id(v) for v in router._commands.values()})} 個內建指令")