- Added `SetupTab` abstractions and wired Sign-In/Web-Search tabs under the new providers onboarding scene.
- Added `providersSetupScene` and swapped `providerSetupScene` for `providers` in setup-wizard scene registration.
- Added `WebSearchTab` option loading, provider availability checks, and persisted selected search-provider preference.
- Changed sign-in flow handling to keep the scene active across providers and support cancellation during authentication.
- Changed glyph-mode picker initialization and rendering to preselect current preset and show live symbol previews.
- Updated setup wizard tests to use the `providers` scene id and cover the new web search tab path.
- Added setup wizard with provider login, glyph mode, and theme scenes shown once per setup version.
- Wired `omp setup` (no args) to trigger the wizard in a TTY; `--check`/`--json` still show help.
- Extracted `gradientEscape` and exported `PI_LOGO`/`ShineConfig` from welcome for shared use in splash/outro.
- Fixed race condition in `setSymbolPreset`/`setColorBlindMode` by tracking load request IDs.
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