feat: add temporary sidebar share opinion prompt

Adds a dialog with call booking and survey actions for user feedback
Shows a one-time sidebar toast prompting users to share what’s useful or missing
Adds localized copy for the new feedback entry points

packages/ui/src/lib/i18n/messages/es.ts

@@ -23,6 +23,13 @@ export const dict: Record<I18nKey, string> = {
   "pwa.installPrompt.dismiss": "Descartar",
   "pwa.installPrompt.started": "Instalación iniciada",
   "pwa.installPrompt.installed": "OpenChamber se instaló",
+  "shareOpinion.actions.shareOpinion": "Compartir opinión",
+  "shareOpinion.actions.bookCall": "Reservar llamada",
+  "shareOpinion.actions.shortSurvey": "Encuesta breve",
+  "shareOpinion.dialog.title": "Comparte tu opinión",
+  "shareOpinion.toast.title": "Ayuda a dar forma a OpenChamber",
+  "shareOpinion.toast.description": "Cuenta qué es útil, confuso o falta para ayudar a definir lo que viene después.",
+  "sessions.sidebar.footer.actions.shareOpinion": "Compartir opinión",
   "layout.mainTab.chat": "Chat",
   "layout.mainTab.plan": "Plan",
   "layout.mainTab.diff": "Diff",