feat(tui): enter opens detail sidebar, logs as bottom strip

Enter on a site now opens the detail sidebar instead of a
full-page takeover. Enter on a group expands/collapses children
(same as space). Logs panel moves to a toggleable bottom strip
via the l key with j/k scrolling when focused.

internal/tui/tab_logs_sidebar.go

@@ -2,8 +2,76 @@ package tui
 
 import (
 	"strings"
+
+	"gitea.lerkolabs.com/lerkolabs/uptop/internal/models"
+	"github.com/charmbracelet/lipgloss"
 )
 
+func (m Model) renderCompactLogLine(entry models.LogEntry, maxW int) string {
+	sev := classifyLog(entry.Message)
+
+	var tag string
+	switch sev {
+	case severityDown:
+		tag = m.st.dangerStyle.Render("▼")
+	case severityUp:
+		tag = m.st.specialStyle.Render("▲")
+	case severityWarn:
+		tag = m.st.warnStyle.Render("◆")
+	case severitySystem:
+		tag = m.st.titleStyle.Render("●")
+	default:
+		tag = m.st.subtleStyle.Render("·")
+	}
+
+	ts := entry.CreatedAt.Local().Format("01/02 15:04")
+
+	msg := entry.Message
+	msg = strings.TrimPrefix(msg, "Monitor ")
+	msg = strings.TrimPrefix(msg, "Push ")
+
+	prefixW := len(ts) + 4
+	msgW := maxW - prefixW
+	if msgW < 5 {
+		msgW = 5
+	}
+	msg = limitStr(msg, msgW)
+
+	return " " + m.st.subtleStyle.Render(ts) + " " + tag + " " + msg
+}
+
+func (m Model) viewLogsStrip(width, maxLines int) string {
+	logs := m.engine.GetLogs()
+	if len(logs) == 0 {
+		return m.st.subtleStyle.Render("  No logs yet")
+	}
+
+	style := lipgloss.NewStyle().Width(width).MaxWidth(width)
+
+	var all []string
+	for _, entry := range logs {
+		if strings.TrimSpace(entry.Message) == "" {
+			continue
+		}
+		if m.logFilterImportant && !isImportantLog(classifyLog(entry.Message)) {
+			continue
+		}
+		all = append(all, m.renderCompactLogLine(entry, width))
+	}
+
+	start := m.logScrollOffset
+	if start > len(all) {
+		start = len(all)
+	}
+	end := start + maxLines
+	if end > len(all) {
+		end = len(all)
+	}
+	visible := all[start:end]
+
+	return style.Render(strings.Join(visible, "\n"))
+}
+
 func (m *Model) scrollLogs(delta int) {
 	logs := m.engine.GetLogs()
 	total := 0

internal/tui/update.go

@@ -155,11 +155,16 @@ func (m *Model) handleFormMsg(msg tea.Msg) (tea.Model, tea.Cmd) {
 	return m, nil
 }
 
+const logsStripHeight = 6
+
 func (m *Model) recalcLayout() {
 	chrome := chromeBase
 	if m.filterMode || m.filterText != "" {
 		chrome++
 	}
+	if m.logsOpen {
+		chrome += logsStripHeight
+	}
 	m.maxTableRows = m.termHeight - chrome
 	if m.maxTableRows < 1 {
 		m.maxTableRows = 1
@@ -751,10 +756,14 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 			m.recalcLayout()
 		}
 	case "l":
-		m.refreshLogContent()
-		m.logViewport.GotoTop()
-		m.state = stateLogs
-		return m, nil
+		if m.logsOpen {
+			m.logsOpen = false
+			m.focusedPanel = panelMonitors
+		} else {
+			m.logsOpen = true
+			m.focusedPanel = panelLogs
+		}
+		m.recalcLayout()
 	case "up", "k":
 		if m.focusedPanel == panelMaint {
 			m.scrollMaintCursor(-1)
@@ -818,8 +827,23 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 			return m, nil
 		}
 		if len(m.sites) > 0 {
-			m.state = stateDetail
-			return m, m.loadDetailCmd(m.sites[m.cursor].ID)
+			site := m.sites[m.cursor]
+			if site.Type == "group" {
+				m.collapsed[site.ID] = !m.collapsed[site.ID]
+				payload := collapsedJSON(m.collapsed)
+				st := m.store
+				ctx := m.ctx
+				m.refreshLive()
+				return m, writeCmd("Save collapsed groups", func() error {
+					return st.SetPreference(ctx, "collapsed_groups", payload)
+				})
+			}
+			if !m.detailOpen {
+				m.detailOpen = true
+				m.detailMode = detailDefault
+				m.recalcLayout()
+			}
+			return m, m.loadDetailCmd(site.ID)
 		}
 	case "e":
 		return m.handleEditItem()

internal/tui/view_dashboard.go

@@ -201,7 +201,14 @@ func (m Model) viewMonitorsLayout() string {
 		topParts = append(topParts, detailPanel)
 	}
 
-	return lipgloss.JoinHorizontal(lipgloss.Top, topParts...)
+	top := lipgloss.JoinHorizontal(lipgloss.Top, topParts...)
+
+	if m.logsOpen {
+		logContent := m.viewLogsStrip(availW-2, logsStripHeight-2)
+		logPanel := m.zones.Mark("panel-logs", m.titledPanel("Logs", logContent, availW, m.focusedPanel == panelLogs))
+		return top + "\n" + logPanel
+	}
+	return top
 }
 
 func (m Model) viewDashboard() string {
@@ -285,12 +292,14 @@ func (m Model) renderFooter(_ dashboardStats) string {
 	var keys string
 	if m.focusedPanel == panelMaint {
 		keys = "[n]New [x]End [d]Del [Esc]Back [S]Settings [T]Theme [q]Quit"
+	} else if m.focusedPanel == panelLogs {
+		keys = "[↑/↓]Scroll [Enter]Expand [l/Esc]Back [S]Settings [T]Theme [q]Quit"
 	} else if m.detailOpen && m.detailMode == detailSLA {
-		keys = "[1-4]Period [Esc]Back [S]Settings [T]Theme [q]Quit"
+		keys = "[1-4]Period [Esc]Back [l]Logs [S]Settings [T]Theme [q]Quit"
 	} else if m.detailOpen && m.detailMode == detailHistory {
-		keys = "[Esc]Back [S]Settings [T]Theme [q]Quit"
+		keys = "[Esc]Back [l]Logs [S]Settings [T]Theme [q]Quit"
 	} else if m.detailOpen {
-		keys = "[i]Close [Enter]Expand [h]History [s]SLA [e]Edit [m]Maint [l]Logs [S]Settings [T]Theme [q]Quit"
+		keys = "[i]Close [h]History [s]SLA [e]Edit [m]Maint [l]Logs [S]Settings [T]Theme [q]Quit"
 	} else {
 		keys = "[/]Filter [i]Info [Enter]Detail [n]New [e]Edit [d]Del [m]Maint [l]Logs [S]Settings [T]Theme [q]Quit"
 	}