feat(blocks): add video transcription and editing blocks on dev

- Add TranscribeVideoBlock and EditVideoByTextBlock to blocks/video/
- Update video/__init__.py with new block exports
- Generate block documentation via generate_block_docs.py
- Fix wait=False bug in Replicate API calls (was returning Prediction
  object instead of actual output)
- Format fixes

Co-authored-by: Nicholas Tindle <ntindle@users.noreply.github.com>

docs/integrations/README.md

@@ -474,8 +474,10 @@ Below is a comprehensive list of all available blocks, categorized by their prim
 | Block Name | Description |
 |------------|-------------|
 | [Add Audio To Video](block-integrations/video/add_audio.md#add-audio-to-video) | Block to attach an audio file to a video file using moviepy |
+| [Edit Video By Text](block-integrations/video/edit_by_text.md#edit-video-by-text) | Edit a video by modifying its transcript |
 | [Loop Video](block-integrations/video/loop.md#loop-video) | Block to loop a video to a given duration or number of repeats |
 | [Media Duration](block-integrations/video/duration.md#media-duration) | Block to get the duration of a media file |
+| [Transcribe Video](block-integrations/video/transcribe.md#transcribe-video) | Transcribe speech from a video file to text |
 | [Video Clip](block-integrations/video/clip.md#video-clip) | Extract a time segment from a video |
 | [Video Concat](block-integrations/video/concat.md#video-concat) | Merge multiple video clips into one continuous video |
 | [Video Download](block-integrations/video/download.md#video-download) | Download video from URL (YouTube, Vimeo, news sites, direct links) |

docs/integrations/SUMMARY.md

@@ -133,8 +133,10 @@
 * [Video Concat](block-integrations/video/concat.md)
 * [Video Download](block-integrations/video/download.md)
 * [Video Duration](block-integrations/video/duration.md)
+* [Video Edit By Text](block-integrations/video/edit_by_text.md)
 * [Video Loop](block-integrations/video/loop.md)
 * [Video Narration](block-integrations/video/narration.md)
 * [Video Text Overlay](block-integrations/video/text_overlay.md)
+* [Video Transcribe](block-integrations/video/transcribe.md)
 * [Wolfram LLM API](block-integrations/wolfram/llm_api.md)
 * [Zerobounce Validate Emails](block-integrations/zerobounce/validate_emails.md)

docs/integrations/block-integrations/video/edit_by_text.md

@@ -0,0 +1,37 @@
+# Video Edit By Text
+<!-- MANUAL: file_description -->
+_Add a description of this category of blocks._
+<!-- END MANUAL -->
+
+## Edit Video By Text
+
+### What it is
+Edit a video by modifying its transcript
+
+### How it works
+<!-- MANUAL: how_it_works -->
+_Add technical explanation here._
+<!-- END MANUAL -->
+
+### Inputs
+
+| Input | Description | Type | Required |
+|-------|-------------|------|----------|
+| video_in | Input video file to edit (URL, data URI, or local path) | str (file) | Yes |
+| transcription | Desired transcript for the output video | str | Yes |
+| split_at | Granularity for transcript matching | "word" \| "character" | No |
+
+### Outputs
+
+| Output | Description | Type |
+|--------|-------------|------|
+| error | Error message if the operation failed | str |
+| video_url | URL of the edited video | str |
+| transcription | Transcription used for editing | str |
+
+### Possible use case
+<!-- MANUAL: use_case -->
+_Add practical use case examples here._
+<!-- END MANUAL -->
+
+---

docs/integrations/block-integrations/video/transcribe.md

@@ -0,0 +1,34 @@
+# Video Transcribe
+<!-- MANUAL: file_description -->
+_Add a description of this category of blocks._
+<!-- END MANUAL -->
+
+## Transcribe Video
+
+### What it is
+Transcribe speech from a video file to text
+
+### How it works
+<!-- MANUAL: how_it_works -->
+_Add technical explanation here._
+<!-- END MANUAL -->
+
+### Inputs
+
+| Input | Description | Type | Required |
+|-------|-------------|------|----------|
+| video_in | Input video file to transcribe (URL, data URI, or local path) | str (file) | Yes |
+
+### Outputs
+
+| Output | Description | Type |
+|--------|-------------|------|
+| error | Error message if the operation failed | str |
+| transcription | Text transcription extracted from the video | str |
+
+### Possible use case
+<!-- MANUAL: use_case -->
+_Add practical use case examples here._
+<!-- END MANUAL -->
+
+---