Add Grok media providers and improve selector routing

skills/INDEX.md

@@ -92,6 +92,7 @@ Key capability families to look for in the output:
 | Data Visualization | `creative/data-visualization.md` | Chart type selection, animation, label placement | `d3-viz`, `remotion-best-practices` |
 | Video Stitching | `creative/video-stitching.md` | Multi-clip assembly, AI clip chaining, spatial composition | `ffmpeg`, `video_toolkit` |
 | Video Gen Prompting | `creative/video-gen-prompting.md` | Universal video generation prompt vocabulary | `ai-video-gen`, `ltx2`, `create-video` |
+| ↳ Grok Prompting | `creative/prompting/grok-prompting.md` | Grok image/video prompting, edit flows, reference-image video | `grok-media` |
 | ↳ Sora Prompting | `creative/prompting/sora-prompting.md` | Sora 2 structured template, advanced fields | `ai-video-gen` |
 | ↳ VEO Prompting | `creative/prompting/veo-prompting.md` | VEO 3.1 14-component structure, art movements | `ai-video-gen` |
 | ↳ LTX Prompting | `creative/prompting/ltx-prompting.md` | LTX-2 6-element structure, audio prompting | `ltx2` |
@@ -101,7 +102,7 @@ Key capability families to look for in the output:
 | Typography | `creative/typography.md` | Font selection, text sizing, safe zones, caption styling | â€" |
 | ManimCE Usage | `creative/manim-usage.md` | Scene composition, animation timing, color usage | `manimce-best-practices` |
 | Image Gen Usage | `creative/image-gen-usage.md` | Prompt consistency, hero reference, batch strategy | `flux-best-practices`, `bfl-api` |
-| Image Provider Usage | `creative/image-provider-usage.md` | Provider selection (FLUX/OpenAI/Recraft/stock), cost-quality tradeoffs | `flux-best-practices`, `bfl-api` |
+| Image Provider Usage | `creative/image-provider-usage.md` | Provider selection (FLUX/Grok/OpenAI/Recraft/stock), cost-quality tradeoffs | `flux-best-practices`, `bfl-api`, `grok-media` |
 | B-Roll Planning | `creative/broll-planning.md` | Stock vs. generated decision, query construction, footage evaluation | — |
 | Stock Sourcing Usage | `creative/stock-sourcing-usage.md` | Pexels/Pixabay usage, parameters, licensing, integration | — |
 | Scene Detect Usage | `creative/scene-detect-usage.md` | Threshold tuning, algorithm selection, content presets | â€" |
@@ -298,7 +299,7 @@ Claude Code accesses them via symlinks in `.claude/skills/`.
 | **Video Composition** | `remotion-best-practices`, `remotion` | `remotion-dev/skills`, `digitalsamba/claude-code-video-toolkit` |
 | **Video Processing** | `ffmpeg`, `video_toolkit` | `digitalsamba/claude-code-video-toolkit` |
 | **TTS & Audio** | `text-to-speech`, `speech-to-text`, `music`, `sound-effects`, `elevenlabs`, `agents`, `setup-api-key` | `elevenlabs/skills`, `digitalsamba/claude-code-video-toolkit` |
-| **Image Generation** | `flux-best-practices`, `bfl-api` | `black-forest-labs/skills` |
+| **Image Generation** | `flux-best-practices`, `bfl-api`, `grok-media` | `black-forest-labs/skills`, local OpenMontage skill |
 | **Math Animation** | `manimce-best-practices`, `manimgl-best-practices`, `manim-composer` | `adithya-s-k/manim_skill` |
 | **3D Graphics** | `threejs-animation`, `threejs-fundamentals`, `threejs-geometry`, `threejs-interaction`, `threejs-lighting`, `threejs-loaders`, `threejs-materials`, `threejs-postprocessing`, `threejs-shaders`, `threejs-textures` | `cloudai-x/threejs-skills` |
 | **Diagrams** | `beautiful-mermaid`, `d3-viz` | `intellectronica/agent-skills`, `davila7/claude-code-templates` |
@@ -306,5 +307,3 @@ Claude Code accesses them via symlinks in `.claude/skills/`.
 | **Design** | `tailwind-design-system`, `web-design-guidelines`, `vercel-react-best-practices`, `vercel-composition-patterns` | `wshobson/agents`, `vercel-labs/agent-skills` |
 | **AI Video (HeyGen)** | `heygen`, `avatar-video`, `create-video`, `faceswap`, `ai-video-gen`, `video-download`, `video-edit`, `video-translate`, `video-understand`, `visual-style` | `heygen-com/skills` |
 | **Infrastructure** | `acestep`, `ltx2`, `playwright-recording` | `digitalsamba/claude-code-video-toolkit` |
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