Barrett Ruth 67aa8d71e6 feat(sync): unify Google auth under :Pending auth ... Problem: users had to run `:Pending gtasks auth` and `:Pending gcal auth` separately, producing two token files and two browser consents for the same Google account. Solution: introduce `oauth.google_client` with combined tasks + calendar scopes and a single `google_tokens.json`. Remove per-backend `auth`/`setup` from `gcal` and `gtasks`; add top-level `:Pending auth` that prompts with `vim.ui.select` and delegates to the shared client's `setup()` or `auth()` based on credential availability.		2026-03-05 20:35:14 -05:00
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pending	feat(sync): unify Google auth under :Pending auth	2026-03-05 20:35:14 -05:00