feat: surface recent entries and fix public repo links

docs: update space readme and utility strip contrast

feat: make the Space publishable without binary db

feat: backfill demo reflections and tighten journal-first UI

Fix: dark mode pill visibility

Polish theme: timeline panel, pulse depth, hero chip

Update: landing UI, companion pulse, dark mode, journal store + preloaded entries

feat: pocket confidant Space - llama.cpp + Qwen2.5-3B GGUF + nomic-embed fallback