feat: add headerToolbar() for inline filter/search in page header

[ManukMinasyan]

Summary

• Adds ->headerToolbar() method to Board that moves the filter/search toolbar inline with the page heading
• Uses Filament's native getHeader() override — no CSS hacking, no fighting the framework
• Active filter indicator badges render below the heading row

Usage

public function board(Board $board): Board
{
    return $board
        ->headerToolbar()  // filter + search inline with title
        ->query(...)
        ->searchable(['name'])
        ->filters([...])
        ->columns([...]);
}

How it works

• Board::headerToolbar(bool) — sets the flag
• BaseBoard::getHeader() — overrides Filament's page header when enabled, rendering a custom view with title + filter + search in one row
• index.blade.php — skips rendering its own filter toolbar when headerToolbar is active (avoids duplicates)
• board-header.blade.php — new view that renders the combined header with proper Filament component reuse

Default behavior unchanged

When headerToolbar() is not called, the board renders exactly as before — filters in their own row above the columns.

Test plan

• PHPStan passes
• 112 tests pass
• Pint passes
• Manual test: board with headerToolbar() shows filter + search next to title
• Manual test: board without headerToolbar() renders unchanged
• Manual test: active filters show indicator badges below heading

[Copilot]

Pull request overview

Adds an opt-in headerToolbar() mode for Flowforge boards that renders Filament’s filter/search controls inline with the page heading by overriding the Filament page header and introducing a dedicated header view.

Changes:

• Add Board::headerToolbar() / hasHeaderToolbar() and pass the flag through view config.
• Override BaseBoard::getHeader() to render a custom header view when enabled.
• Add board-header.blade.php and suppress the existing filters include in index.blade.php to avoid duplicate toolbars.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 5 comments.

File	Description
src/Concerns/BaseBoard.php	Overrides Filament page header to render a custom header view when enabled.
src/Board.php	Introduces the headerToolbar flag API and exposes it to Blade config.
resources/views/index.blade.php	Skips the existing filters UI when headerToolbar is active.
resources/views/filament/pages/board-header.blade.php	New combined header view that renders heading + filter/search + indicators.

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