精简动作审查输入并支持审批来源定位 (#125)

* fix: 精简审查背景并区分人工消息与调度输入

* fix: 模型审查仅提交当前调用与选定背景

* feat: 审批来源定位原会话并移除 Worker 审查背景

agent/chat.go

@@ -107,7 +107,7 @@ func (c *ChatAgent) Chat(ctx context.Context, agentKey, sessionID, message strin
 	// Isolates file writes across conversations, mirroring how workers use i<intentID>/.
 	sessionWorkDir := filepath.Join(c.workDir, "sessions", sessionID)
 	_ = os.MkdirAll(sessionWorkDir, 0o755)
-	ctx = intercept.WithReviewContext(ctx, sessionWorkDir, "", nil)
+	ctx = intercept.WithReviewWorkingDirectory(ctx, sessionWorkDir)
 
 	// Pure assistant: DefaultTools as the base; AugmentTools layers in the key's
 	// visible skills/MCP and lets the DB tools table filter/override. DefaultTools