Document CompText brand assets

Author: ProfRandom92

assets/README.md

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+# CompText CLI Brand Assets
+
+This directory contains lightweight SVG assets for the CompText CLI repository.
+
+## Files
+
+```text
+assets/logo.svg             Full wordmark logo
+assets/mark.svg             Square icon / compact mark
+assets/banner.svg           README banner
+assets/social-preview.svg   GitHub social preview source artwork
+```
+
+## GitHub Social Preview
+
+GitHub repository social preview images are configured in the repository settings, not from README markdown.
+
+Use this asset as the source artwork:
+
+```text
+assets/social-preview.svg
+```
+
+For best GitHub compatibility, export it to PNG at:
+
+```text
+1280x640
+```
+
+Then upload it under:
+
+```text
+Repository Settings -> Social preview -> Edit
+```
+
+## Brand Lines
+
+```text
+Models are providers. Context is the product.
+Compress the noise, preserve the proof.
+```
+
+## Notes
+
+- Assets are plain SVG and do not require external fonts.
+- Keep the logo simple, readable, and terminal-oriented.
+- Do not imply production, enterprise, compliance, certification, or guaranteed safety claims.