feat: this session's errors in the status pane, newest first

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

docs/keys.md

@@ -49,7 +49,7 @@ match case exactly.
 | Key | Action |
 |---|---|
 | `space` | reveal / hide the selected value (public material for keys and certificates) |
-| `y` | copy the value without revealing it; cleared from the clipboard after 30s. On an Azure account's row: its object ID; in its pane, the selected field or group |
+| `y` | copy the value without revealing it; cleared from the clipboard after 30s. On an Azure account's row: its object ID; in its pane, the selected field |
 | `Y` | copy the reference (`@Microsoft.KeyVault(...)`, key/certificate URL, `{{secrets/scope/key}}`) |
 | `v` | versions of the selected item (Azure); `space`/`y`/`Y` then act on that version; `esc`, `⌫` or `v` to go back |
 | `o` | open the selected item in the browser (over SSH: copy the link) |
@@ -60,6 +60,11 @@ match case exactly.
 | `L` | sign in again (shown when a login has expired) |
 | `U` | a newer lazysecrets: its changelog, and update in place (restart to use it); or look for one |
 
+A revealed value is shown as it reads best: JSON indented, and PEM
+certificates as their subject, issuer, dates, names and thumbprint, with
+any other PEM block (a private key) named but not shown. `y` still copies
+it exactly as stored.
+
 A revealed value hides again after `revealTimeout` (60s) and when the
 terminal loses focus (`hideOnBlur`); see [config](config.md).
 
@@ -114,13 +119,15 @@ it's hidden.
 
 On top, the status pane (`0`) shows the version, a newer release and how
 your accounts are doing. Focused, the right pane lists more under the
-logo (when there's room): the version
-and updates (`U`), each account (`L` on one that needs it signs in), the
-config, state and cache files (`e` opens one in your editor), and links
-to the docs, source, issues, releases and changelog (`o` opens one; on
-the version or update, its release), then the changelog of
-every release up to yours, built in so it needs no network: `/` filters
-it (`/fixed`, `/search`). `y` copies any row.
+logo (when there's room): the version and updates (`U`), each account
+(`L` on one that needs it signs in), what's expiring (`enter` goes to
+it), this session's errors, newest first (what a pane showed, or the
+footer flashed before you moved on; not kept after quitting), the config,
+state and cache files (`e` opens one in your editor), and links to the
+docs, source, issues, releases and changelog (`o` opens one; on the
+version or update, its release), then the changelog of every release up
+to yours, built in so it needs no network: `/` filters it (`/fixed`,
+`/search`). `y` copies any row.
 
 | Key | Action |
 |---|---|

internal/ui/app/app.go

@@ -177,6 +177,10 @@ type Model struct {
 	fields   panes.Fields
 	lastLeft pane
 	details  map[string]detailsState // by containerKey
+	// errLog is this session's errors, newest first; loggedFlash the
+	// footer's text when last looked at (errlog.go).
+	errLog      []loggedErr
+	loggedFlash string
 	getenv      func(string) string
 	nvimOpen    func(server, path string, line int) error // edit.go
 	now         func() time.Time
@@ -623,6 +627,9 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.done(slotContainers)
 		if msg.err != nil {
 			m.noteErr(msg.err)
+			if src, ok := m.selectedSource(); ok {
+				m.logErrOf(src.Name, msg.err)
+			}
 			delete(m.cache.containers, msg.key)
 			m.containers.SetError(msg.err)
 		} else {
@@ -641,6 +648,9 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			m.closeVersions()
 		} else if msg.err != nil {
 			m.noteErr(msg.err)
+			if c, ok := m.containers.Selected(); ok {
+				m.logErrOf(c.Name, msg.err)
+			}
 			delete(m.cache.objects, msg.key)
 			m.secrets.SetError(msg.err)
 		} else {
@@ -663,6 +673,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.done(slotValue)
 		if msg.err != nil {
 			m.noteErr(msg.err)
+			m.logErrOf(msg.obj.Container.Name+"/"+msg.obj.Name, msg.err)
 			m.detail.SetValueError(msg.err)
 		} else {
 			m.detail.SetValue(msg.value)
@@ -689,6 +700,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.done(slotDescribe)
 		if msg.err != nil {
 			m.noteErr(msg.err)
+			m.logErrOf(msg.obj.Container.Name+"/"+msg.obj.Name, msg.err)
 			m.detail.SetDescribeError(msg.err)
 		} else {
 			m.cache.details[msg.key] = entry[provider.Object]{msg.obj, m.now()}
@@ -759,6 +771,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	if m.focus != paneDetail {
 		m.lastLeft = m.focus
 	}
+	m.logFlash()
 	cmds = append(cmds, m.syncFields())
 	if m.anyLoading() && !m.spinning {
 		m.spinning = true
@@ -1353,6 +1366,7 @@ func (m *Model) handleSources(msg sourcesMsg) tea.Cmd {
 	for _, p := range m.providers {
 		if r, ok := m.sourceResults[p.ID()]; ok && r.err != nil {
 			m.noteErr(r.err)
+			m.logErrOf(p.Label(), r.err)
 			errs = append(errs, fmt.Sprintf("%s: %v", p.Label(), r.err))
 		}
 	}

internal/ui/app/app_test.go

@@ -1300,3 +1300,25 @@ func TestExpiringInStatus(t *testing.T) {
 		t.Errorf("enter went to %s/%s\n%s", v, o, d.screen())
 	}
 }
+
+func TestErrorLog(t *testing.T) {
+	t.Parallel()
+	d := newDriverOpts(t, Options{}, fake.Azure(0))
+	d.keys("2", "j", "j", "3") // kv-restricted: its secrets can't be listed
+	d.m.flash = flash{text: "copy failed: no clipboard", isErr: true}
+	d.send(nil)
+	d.send(nil) // still showing: logged once
+	d.keys("0")
+	scr := d.screen()
+	if !strings.Contains(scr, "errors") || !strings.Contains(scr, "copy failed: no clipboard") || !strings.Contains(scr, "kv-restricted: 403 Forbidden") {
+		t.Errorf("errors not listed:\n%s", scr)
+	}
+	if n := len(d.m.errLog); n != 2 || !strings.HasPrefix(d.m.errLog[0].text, "copy failed") {
+		t.Errorf("log %+v", d.m.errLog)
+	}
+	d.m.logErr("403 Forbidden: again") // a new one, and an old one again: on top
+	d.m.logErr(d.m.errLog[2].text)
+	if len(d.m.errLog) != 3 || d.m.errLog[0].text == "403 Forbidden: again" {
+		t.Errorf("log %+v", d.m.errLog)
+	}
+}

internal/ui/app/errlog.go

@@ -0,0 +1,64 @@
+package app
+
+import (
+	"errors"
+	"slices"
+	"strings"
+	"time"
+
+	"git.kebcloud.no/keb/lazysecrets/internal/provider"
+	"git.kebcloud.no/keb/lazysecrets/internal/ui/panes"
+)
+
+// The status pane lists this session's errors, newest first: what a pane
+// showed (a list that couldn't load) and what the footer flashed (a copy
+// that failed), which go when you move on. Only the first line of each,
+// and never kept after quitting.
+
+// maxErrors is how many errors are kept.
+const maxErrors = 20
+
+type loggedErr struct {
+	at   time.Time
+	text string
+}
+
+// logErr records text; an error already there moves to the top, with
+// the time it happened again.
+func (m *Model) logErr(text string) {
+	text, _, _ = strings.Cut(strings.TrimSpace(text), "\n")
+	if text == "" {
+		return
+	}
+	m.errLog = slices.DeleteFunc(m.errLog, func(e loggedErr) bool { return e.text == text })
+	m.errLog = append([]loggedErr{{m.now(), text}}, m.errLog[:min(len(m.errLog), maxErrors-1)]...)
+}
+
+// logErrOf records err, about what, except a sign-in, which the footer
+// and the account's details say.
+func (m *Model) logErrOf(what string, err error) {
+	var auth *provider.AuthError
+	if !errors.As(err, &auth) {
+		m.logErr(what + ": " + err.Error())
+	}
+}
+
+// logFlash records an error the footer is showing, once.
+func (m *Model) logFlash() {
+	if m.flash.isErr && m.flash.text != m.loggedFlash {
+		m.logErr(m.flash.text)
+	}
+	m.loggedFlash = m.flash.text
+}
+
+// errorFields are the status pane's rows for them.
+func (m Model) errorFields() []panes.Field {
+	out := make([]panes.Field, len(m.errLog))
+	for i, e := range m.errLog {
+		out[i] = panes.Field{Value: e.at.Format("15:04") + " " + e.text, Err: true}
+	}
+	if len(out) > 0 {
+		out[0].Label = "errors"
+	}
+	return out
+}

internal/ui/app/persist.go

@@ -3,7 +3,6 @@ package app
 import (
 	"encoding/json"
 	"errors"
-	"fmt"
 	"os"
 	"path/filepath"
 	"time"
@@ -244,6 +243,6 @@ func (m *Model) restorePlace() {
 
 func (m *Model) handlePersisted(msg persistedMsg) {
 	if msg.err != nil {
-		m.noteErr(fmt.Errorf("saving the cache or place: %w", msg.err))
+		m.logErrOf("saving the cache or place", msg.err)
 	}
 }

internal/ui/app/status.go

@@ -102,6 +102,7 @@ func (m Model) statusFields() []panes.Field {
 	}
 
 	out = append(out, m.expiringFields()...)
+	out = append(out, m.errorFields()...)
 
 	for i, path := range m.configFiles {
 		label := ""