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Add storyboard/video-gen/video-editing handlers and asset previews (#37-39, #45, #46)

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StoryboardHandler (#37): breaks the project's script into a numbered
scene-by-scene breakdown (description + image prompt per scene) via
OpenAI in JSON mode (added json_mode support to OpenAiDriver for
reliable structured output), stored as a JSON asset.

VideoGenerationHandler (#38): generates one still image per storyboard
scene via StabilityAI — the scene *visuals*, not motion/video clips
(no text-to-video model integrated; see the task comment for why).

VideoEditingHandler (#39): the step that actually produces a video
file — assembles the scene stills into an MP4 via ffmpeg's concat
demuxer, timed to the voiceover audio's duration (probed via ffprobe)
or a fixed per-scene duration if there's no audio, then muxes the
audio track in. Verified against the real ffmpeg/ffprobe binaries on
this box, not just Process::fake().

Asset previews (#45, #46): a reusable partial renders each asset
inline by type — image/audio/video get real playback elements, text/
JSON gets a truncated <pre> block, everything else a download link.
Wired into both the awaiting_approval step view (so approving/
rejecting is an actual content review, not just a word count) and a
general project assets grid.

Also fixes a latent bug in AssetStorage::url(), found while wiring up
previews: it called Storage::url() on the default 'local' disk, which
has no configured URL driver and throws in production — only worked
before because Storage::fake() is more permissive than the real local
driver. Now serves assets through a new authenticated streaming route
instead (VideoProjectAssetController).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
m105
2026-08-06 21:15:31 +03:00
co-authored by Claude Sonnet 5
parent 55fa2ebfda
commit c249a14d78
18 changed files with 1026 additions and 34 deletions
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tests/Feature/AiProviders/OpenAiDriverTest.php
+20
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@@ -51,6 +51,26 @@ test('it throws when OpenAI returns an error', function () {
(new OpenAiDriver)->generate($provider, 'hi');
})->throws(AiGenerationException::class, 'Invalid API key');
test('json_mode requests a JSON-guaranteed response format', function () {
Http::fake(['api.openai.com/*' => Http::response(['choices' => [['message' => ['content' => '{}']]]])]);
$provider = AiProvider::factory()->create(['provider' => 'openai']);
(new OpenAiDriver)->generate($provider, 'hi', ['json_mode' => true]);
Http::assertSent(fn ($request) => ($request['response_format']['type'] ?? null) === 'json_object');
});
test('it omits response_format when json_mode is not set', function () {
Http::fake(['api.openai.com/*' => Http::response(['choices' => [['message' => ['content' => 'hi']]]])]);
$provider = AiProvider::factory()->create(['provider' => 'openai']);
(new OpenAiDriver)->generate($provider, 'hi');
Http::assertSent(fn ($request) => ! isset($request['response_format']));
});
test('it throws when the response has no message content', function () {
Http::fake([
'api.openai.com/*' => Http::response(['choices' => []]),