fix: serve static mode files

[josbeir]

No description provided.

[Copilot]

Pull request overview

Adds a static-serve fallback to the development router so glaze serve --static can serve pre-built public/ HTML through the same dev-router.php entrypoint as live mode, controlled via a new GLAZE_STATIC_MODE environment flag.

Changes:

• Introduces StaticPageRequestHandler to serve pre-built index.html pages + static 404 handling (basePath-aware, redirecting directory paths to trailing slashes).
• Updates ServeCommand/PhpServerProcess to always use dev-router.php and pass GLAZE_STATIC_MODE into the PHP server process.
• Updates/expands unit + integration tests to reflect router requirements and static-mode behavior.

Reviewed changes

Copilot reviewed 7 out of 8 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
src/Http/StaticPageRequestHandler.php	New request handler serving pre-built static HTML in static-serve mode.
bin/dev-router.php	Switches fallback handler based on GLAZE_STATIC_MODE (static vs live).
src/Command/ServeCommand.php	Sets router env for both modes; disables Vite in static mode unless explicitly requested (then errors).
src/Process/PhpServerProcess.php	Always builds PHP server command with router; forwards GLAZE_STATIC_MODE.
tests/Unit/Http/StaticPageRequestHandlerTest.php	New unit tests covering static handler routing/redirect/basePath behavior.
tests/Unit/Process/PhpServerProcessTest.php	Updates tests for router-required behavior + env forwarding changes.
tests/Unit/Command/ServeCommandTest.php	Updates environment/Vite resolution tests to include static-mode semantics.
tests/Integration/Command/ServeCommandTest.php	Aligns expected router-missing error message.

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