feat(tui): QA fixes + approval Ctrl keys, workflow focus, session UUID

- gate session-list nav on idle so in-session arrows/jk don't move the list (5a)
- approval dismiss on esc + in-session 'a' reopens a pending approval (5b)
- auto-focus a newly started workflow session (was running invisibly)
- approval actions on Ctrl chords (^a/^r/^x) matching the modal; bare/Alt letters no longer approve; diff closes on ^x/esc
- steer hint in the approval modal; session UUID in the input bar
- env-gated debug logging (CORREX_TUI_LOG) with k.Alt in the key trace

apps/tui-go/internal/app/view.go

@@ -140,6 +140,9 @@ func (m Model) renderFooter() string {
 		hints = []string{hint("i", "name"), hint("/", "filter"), hint("enter", "open"), hint("jk", "move"), hint("w", "workflows"), hint("p", "cmds"), hint("q", "quit")}
 	default: // StateInSession
 		hints = []string{hint("i", "message"), hint("e", "events"), hint("t", "tools"), hint("m", "model"), hint("s", "mode"), hint("l", "back"), hint("p", "cmds"), hint("q", "quit")}
+		if s := m.session(m.selectedID); s != nil && s.Pending != nil {
+			hints = append(hints, hint("a", "approval (pending)"))
+		}
 	}
 	left := strings.Join(hints, gap)
 
@@ -213,7 +216,7 @@ func (m Model) renderInput() string {
 		line = t.span(m.inputBuffer, t.P.FgStrong) + caret
 	}
 
-	// status sub-line: <session/none> · <mode>
+	// status sub-line: <session/none> · <uuid> · <mode>
 	name := "(no session)"
 	if s := m.session(m.selectedID); s != nil {
 		name = s.Name
@@ -225,8 +228,12 @@ func (m Model) renderInput() string {
 	if m.inputMode == ModeFilter {
 		mode = "filter"
 	}
-	sub := lipgloss.NewStyle().Foreground(t.P.Accent2).Background(t.P.Bg).Render(name) +
-		t.span(" · ", t.P.Faint) +
+	sub := lipgloss.NewStyle().Foreground(t.P.Accent2).Background(t.P.Bg).Render(name)
+	if m.selectedID != "" {
+		sub += t.span(" · ", t.P.Faint) +
+			t.span(m.selectedID, t.P.Faint)
+	}
+	sub += t.span(" · ", t.P.Faint) +
 		t.span(mode, t.P.Dim)
 
 	body := []string{line, sub}