Fix CSP-safe editable cells for 3.2.1

[arm092]

What changed

• replace CSP-unsafe inline Alpine expressions in editable cells with a registered self-hosted component
• preserve hidden state through Livewire hydration and morphing
• support Livewire 4 fieldEdited detail payloads
• add a strict-CSP Chromium regression and CI browser job
• document the published-view refresh required for consumers

Root cause

The editable Blade view used complex inline Alpine expressions that are not stable with Livewire's CSP-safe evaluator. Livewire 4 also emits fieldEdited as a single detail object rather than two positional callback arguments.

Validation

• PHPUnit: 79 tests, 302 assertions
• Chromium strict-CSP regression: passed
• Composer audit: no advisories
• npm audit: no vulnerabilities
• git diff --check: passed

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