add workspace

AGENTS.md

@@ -25,6 +25,8 @@
 
 行动时必须以运行时注入的环境信息为准，特别是平台、shell、工作目录和可用工具列表。
 
+当前 workspace 是默认操作边界，不应主动读写工作区外文件，也不应主动探索无关路径。
+
 REPL 内的会话管理命令优先使用 slash command。
 
 REPL 内所有 slash command 由程序直接处理，不进入 agent loop。
@@ -49,6 +51,7 @@ REPL 内所有 slash command 由程序直接处理，不进入 agent loop。
 - `Read`：用于读取文件内容。
 - 需要按文件名或路径模式查找时，优先使用 `Glob`。
 - 需要搜索文件内容时，优先使用 `Grep`。
+- 默认只应在当前 workspace 内读写和执行与项目相关的操作。
 - 修改已有文件内容时，优先使用 `Edit` 工具。
 - 创建新文件时，优先使用 `Write` 工具。
 - `Bash`：用于执行必须通过 shell 完成的最小命令。

SKILLS/cli-core.md

@@ -27,6 +27,7 @@
 - 长期有价值的项目约束或偏好，优先使用 `/remember` 保存
 - 高风险操作会触发确认，优先先读再改，减少无意义审批
 - 复杂任务可先切换到 `/mode plan` 进行规划，再切换回 `/mode build` 执行
+- 先在 workspace 内定位和操作，避免无关路径探索
 - Windows 下先验证 shell 兼容性，再选择命令写法
 
 ## 沟通风格

src/cc_slim/commands.py

@@ -115,6 +115,8 @@ def handle_command(
         status = permissions.status()
         console.print(f"auto_approve: {status['auto_approve']}")
         console.print(f"mode: {status['mode']}")
+        console.print(f"workspace: {status['workspace']}")
+        console.print(f"boundary: {status['boundary_policy']}")
         console.print(f"自动允许: {', '.join(status['auto_allowed_tools'])}")
         console.print(f"需要确认: {', '.join(status['confirm_required_tools'])}")
         return agent

src/cc_slim/engine.py

@@ -184,8 +184,10 @@ class Agent:
                 f"- sys.platform: {sys.platform}",
                 f"- shell: {shell_name}",
                 f"- workspace: {workspace}",
+                "- 默认边界: workspace only",
                 f"- 可用工具: {tool_names}",
                 "- 行动时必须以以上运行环境信息为准，不要默认套用 Unix/Linux 命令习惯。",
+                "- 默认只应在当前 workspace 内读写文件并执行与项目相关的操作，不要主动探索工作区外路径。",
             ]
         )
 
@@ -287,13 +289,13 @@ class Agent:
     def _check_tool_permission(self, name: str, payload: dict[str, Any]) -> str | None:
         if not self.permission_checker:
             return None
-        if not self.permission_checker.is_allowed(name):
+        if not self.permission_checker.is_allowed(name, payload):
-            return self.permission_checker.denial_reason(name)
+            return self.permission_checker.denial_reason(name, payload)
         if self.permission_checker.requires_confirmation(name):
             if not self.confirm_tool:
-                return self.permission_checker.denial_reason(name)
+                return self.permission_checker.denial_reason(name, payload)
             if not self.confirm_tool(name, payload):
-                return self.permission_checker.denial_reason(name)
+                return self.permission_checker.denial_reason(name, payload)
         return None
 
     def _run_tool(self, name: str, payload: dict[str, Any]) -> str:

src/cc_slim/main.py

@@ -32,7 +32,11 @@ def render_stream(agent: Agent, user_input: str) -> None:
             console.print(f"[cyan]->[/cyan] {event['name']}({event['input']})")
         elif event["type"] == "tool_result":
             output = str(event.get("output", ""))
-            if output.startswith("Tool blocked in plan mode:") or output.startswith("Permission denied for tool:"):
+            if (
+                output.startswith("Tool blocked in plan mode:")
+                or output.startswith("Permission denied for tool:")
+                or output.startswith("Bash command appears to target paths outside the workspace")
+            ):
                 console.print(f"[red]{output}[/red]")
             else:
                 console.print(f"[green]✓[/green] {event['name']} done")
@@ -112,7 +116,7 @@ def run(
     store = SessionStore(root)
     memory = MemoryStore(root)
     mode = ModeState()
-    permissions = PermissionChecker(auto_approve=auto_approve)
+    permissions = PermissionChecker(root, auto_approve=auto_approve)
     permissions.set_mode(mode.mode)
     if history:
         render_history(store)

src/cc_slim/permissions.py

@@ -1,21 +1,30 @@
 from __future__ import annotations
 
+import re
+from pathlib import Path
+
 
 class PermissionChecker:
-    def __init__(self, auto_approve: bool = False) -> None:
+    def __init__(self, workspace: Path, auto_approve: bool = False) -> None:
+        self.workspace = workspace.resolve()
         self.auto_approve = auto_approve
         self.mode = "build"
+        self.boundary_policy = "workspace only"
         self.auto_allowed_tools = ["Read", "Glob", "Grep"]
         self.confirm_required_tools = ["Write", "Edit", "Bash"]
 
-    def is_allowed(self, tool_name: str) -> bool:
+    def is_allowed(self, tool_name: str, payload: dict[str, object] | None = None) -> bool:
         if self.mode == "plan" and tool_name in self.confirm_required_tools:
             return False
+        if tool_name == "Bash" and payload and self._bash_targets_outside_workspace(str(payload.get("command", ""))):
+            return False
         return True
 
-    def denial_reason(self, tool_name: str) -> str:
+    def denial_reason(self, tool_name: str, payload: dict[str, object] | None = None) -> str:
         if self.mode == "plan" and tool_name in self.confirm_required_tools:
             return f"Tool blocked in plan mode: {tool_name}"
+        if tool_name == "Bash" and payload and self._bash_targets_outside_workspace(str(payload.get("command", ""))):
+            return "Bash command appears to target paths outside the workspace"
         return f"Permission denied for tool: {tool_name}"
 
     def requires_confirmation(self, tool_name: str) -> bool:
@@ -34,6 +43,19 @@ class PermissionChecker:
         return {
             "auto_approve": self.auto_approve,
             "mode": self.mode,
+            "workspace": str(self.workspace),
+            "boundary_policy": self.boundary_policy,
             "auto_allowed_tools": list(self.auto_allowed_tools),
             "confirm_required_tools": list(self.confirm_required_tools),
         }
+
+    def _bash_targets_outside_workspace(self, command: str) -> bool:
+        workspace_text = str(self.workspace).lower()
+        windows_paths = re.findall(r"[A-Za-z]:\\[^\s\"']+", command)
+        unix_paths = re.findall(r"(?<![A-Za-z]):?(/[^^\s\"']+)", command)
+        candidates = windows_paths + unix_paths
+        for candidate in candidates:
+            normalized = str(Path(candidate).resolve()).lower()
+            if workspace_text not in normalized:
+                return True
+        return False