功能：补充固定场景助手与GPU健康诊断能力

platform/internal/server/diagnostics.go

@@ -53,6 +53,59 @@ type diagnosticReport struct {
 	Source     string            `json:"source"`
 	Notes      []string          `json:"notes"`
 }
+type terminalLogArchive struct {
+	ID           string    `json:"id" db:"id"`
+	TaskID       string    `json:"taskId" db:"task_id"`
+	TerminalID   string    `json:"terminalId" db:"terminal_id"`
+	TerminalName string    `json:"terminalName" db:"terminal_name"`
+	CapturedAt   time.Time `json:"capturedAt" db:"captured_at"`
+	BootID       string    `json:"bootId" db:"boot_id"`
+	AgentVersion string    `json:"agentVersion" db:"agent_version"`
+	KioskState   string    `json:"kioskState" db:"kiosk_state"`
+	LogText      string    `json:"logText" db:"log_text"`
+}
+type terminalLogArchivePage struct {
+	Items         []terminalLogArchive `json:"items"`
+	Page          int                  `json:"page"`
+	PageSize      int                  `json:"pageSize"`
+	Total         int                  `json:"total"`
+	ObservedAt    time.Time            `json:"observedAt"`
+	RetentionDays int                  `json:"retentionDays"`
+}
+
+func (s *Server) terminalLogArchives(c *gin.Context) {
+	terminalID, keyword := strings.TrimSpace(c.Query("terminalId")), strings.TrimSpace(c.Query("keyword"))
+	if len(terminalID) > 100 || len(keyword) > 200 || strings.IndexByte(terminalID, 0) >= 0 || strings.IndexByte(keyword, 0) >= 0 {
+		s.fail(c, 400, "invalid_request", "日志筛选条件无效")
+		return
+	}
+	from, to, ok := timeRange(c, 30)
+	if !ok {
+		s.fail(c, 400, "invalid_range", "请选择有效时间范围，最长 30 天，时间需包含时区")
+		return
+	}
+	page, size := pageParams(c)
+	args := []any{from, to, terminalID, keyword}
+	var total int
+	if err := s.DB.GetContext(c.Request.Context(), &total, `SELECT count(*) FROM terminal_log_archives WHERE captured_at>=$1 AND captured_at<=$2 AND ($3='' OR terminal_id=$3) AND ($4='' OR log_text ILIKE '%'||$4||'%')`, args...); err != nil {
+		s.dbError(c, err)
+		return
+	}
+	items := []terminalLogArchive{}
+	args = append(args, size, (page-1)*size)
+	if err := s.DB.SelectContext(c.Request.Context(), &items, `SELECT a.id,a.task_id,a.terminal_id,t.name terminal_name,a.captured_at,a.boot_id,a.agent_version,a.kiosk_state,a.log_text FROM terminal_log_archives a JOIN terminals t ON t.id=a.terminal_id WHERE a.captured_at>=$1 AND a.captured_at<=$2 AND ($3='' OR a.terminal_id=$3) AND ($4='' OR a.log_text ILIKE '%'||$4||'%') ORDER BY a.captured_at DESC,a.id DESC LIMIT $5 OFFSET $6`, args...); err != nil {
+		s.dbError(c, err)
+		return
+	}
+	for i := range items {
+		items[i].BootID = redactDiagnostic(items[i].BootID)
+		items[i].AgentVersion = redactDiagnostic(items[i].AgentVersion)
+		items[i].KioskState = redactDiagnostic(items[i].KioskState)
+		items[i].TerminalName = redactDiagnostic(items[i].TerminalName)
+		items[i].LogText = redactDiagnostic(items[i].LogText)
+	}
+	c.JSON(200, terminalLogArchivePage{Items: items, Page: page, PageSize: size, Total: total, ObservedAt: time.Now().UTC(), RetentionDays: 30})
+}
 
 // Correlation uses stable IDs, never a display name. Desktop logs are not
 // inferred from a device's current binding: that device may serve other VMs.