docs: rewrite README to cover both skill and app sides

Restructure the README around the dual nature of Obelisk: agent-first
  skill for querying session history, plus Electron desktop app for
  browsing sessions, memories, activity, and recap cards. Trim verbose
  implementation details and add app screenshot.
This commit is contained in:
tommy0103
2026-06-15 02:38:04 +08:00
parent 3822bda89e
commit c50706daef
2 changed files with 50 additions and 131 deletions
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