fix: apply accuracy fixes from Codex review

- Hyperframes: Node.js requirement 18+ → 22+ (confirmed via npm)
- Veo 3: soften 4K claim to "Up to 1080p (4K varies)"
- Sora: replace shutdown claim with availability caveat
- HeyGen: remove dollar amounts, link to pricing page
- Remotion: soften license wording

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tools/integrations/heygen.md

@@ -103,12 +103,14 @@ Upload a 2-5 minute video of yourself speaking to create a digital twin:
 
 ## Pricing
 
-| Plan | Price | Videos/mo | Max Duration |
-|------|-------|-----------|-------------|
-| Free | $0 | 3 | 3 min |
-| Creator | $24/mo | Unlimited | 5 min |
-| Business | $108/mo | Unlimited | 20 min |
-| Enterprise | Custom | Unlimited | Custom |
+| Plan | Videos/mo | Max Duration |
+|------|-----------|-------------|
+| Free | 3 | 3 min |
+| Creator | Unlimited | 5 min |
+| Business | Unlimited | 20 min |
+| Enterprise | Unlimited | Custom |
+
+Check [heygen.com/pricing](https://www.heygen.com/pricing) for current prices — they change frequently.
 
 ## Rate Limits
 

tools/integrations/hyperframes.md

@@ -24,7 +24,7 @@ Open-source programmatic video framework from HeyGen. Create videos from HTML/CS
 npm install hyperframes
 ```
 
-Requires: Node.js 18+, Chrome/Chromium (for rendering)
+Requires: Node.js 22+, Chrome/Chromium (for rendering)
 
 ## Quick Start
 
@@ -166,7 +166,7 @@ const frames = metrics.map(m => ({
 | Agent compatibility | Better (plain HTML) | Good (needs React knowledge) |
 | Animation | CSS transitions/keyframes | Spring physics, interpolation |
 | Cloud rendering | Not built-in | Lambda (AWS) |
-| License | Apache 2.0 (free) | Company license required (>1 employee) |
+| License | Apache 2.0 (free) | Company license for commercial use |
 | Ecosystem | New, growing | Mature, large community |
 
 **Use Hyperframes when:** AI agent is generating the video, simple animations, batch templated content, cost-sensitive.