Fix Settings search to show relevant sections only (scope-aware filtering + sidebar UX polish)

[zaloguj12]

Summary

This PR overhauls Settings search behavior so results are relevant and predictable instead of showing broad tab content.

Previously:

• Any non-empty search could effectively show too much content.
• Search could match misleading terms (for example, controller showing Input due to loose matching).
• Stream search always surfaced broad Stream content instead of only the relevant subsection.
• Sidebar could still look like a tab was selected during search, which was confusing.
• Some valid queries like keyboard layout didn’t surface all expected places.

Now:

• Search is scope-aware and filters by specific settings scopes/subsections.
• Stream is split into searchable scopes:
  • stream-region
  • stream-video
  • stream-codec-diagnostics
• Query matching is token/prefix-based against normalized scope terms.
• keyboard layout now matches both Game and Input contexts.
• Sidebar active tab highlight is disabled while search is active.
• A clear empty state appears when nothing matches:
  No settings matched "<query>".
• Thanks can appear in search results without requiring explicit tab selection.

Key Changes

• Added SettingsSearchScopeId and SETTINGS_SCOPE_SEARCH_TERMS.
• Replaced coarse section-wide search checks with scope-specific matching.
• Added per-scope visibility booleans:
  • showStreamRegion
  • showStreamVideo
  • showStreamCodecDiagnostics
• Rendered Stream subsections conditionally, so queries only show relevant subsection(s).
• Updated content branch to support:
  • normal tab mode
  • search mode (multi-scope results)
  • no-results state
• Updated sidebar active style logic to avoid misleading highlight during search.

Why this is better

• Search results are much closer to user intent.
• Reduces noise in results (especially inside Stream).
• Avoids false UI signals during search.
• More maintainable: scope terms can be extended safely as Settings evolves.

Validation

• Typecheck passed:
  • npm --prefix opennow-stable run typecheck

Manual QA suggestions

• cloud gsync → shows Stream Video subsection only (not Region).
• region / ping → shows Stream Region subsection only.
• codec diagnostics / test codecs → shows Stream diagnostics subsection.
• keyboard layout → shows both Game and Input.
• controller mode library → shows Interface.
• Random string (zzzz) → shows no-results message.
• While searching, sidebar should not show an active tab highlight.

Notes

• Search behavior is driven by SETTINGS_SCOPE_SEARCH_TERMS; future tuning can be done by adjusting this map without changing render architecture.

Description generated by Codex free. :)))

[capy-ai]

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