Fix CAS HTML rendering with WebView and refine header/detail UI

[EMEEEEMMMM]

Summary

This PR improves CAS club detail rendering and UI polish, with a focus on fixing HTML content display issues that were not possible to solve with HtmlCompat alone.

What changed

• Replaced full-detail CAS description rendering from TextView + HtmlCompat to WebView-based rendering when full content is needed.
• Kept lightweight preview rendering (TextView + HtmlCompat) for truncated/preview contexts.
• Added HTML preprocessing for escaped payloads (for example \u003C, escaped newlines, escaped quotes).
• Added safer sanitization for rendered content:
  • Removes scripts in WebView path.
  • Strips style/script/head/meta/link in preview path.
  • Handles noisy @font-face fragments in raw content.
• Updated CAS club detail intro layout to avoid aggressive truncation and better show long descriptions.
• Adjusted header/title presentation to remove the heavy framed look and improve readability contrast.

Why

• CAS club descriptions from backend often contain escaped HTML and style-heavy fragments.
• HtmlCompat cannot reproduce website-level layout/CSS fidelity, which caused visible raw CSS/code and formatting mismatch.
• Users reported clipped content and poor readability in club detail pages.

Technical details

• HtmlText now uses a hybrid strategy:
  • maxLines != Int.MAX_VALUE -> preview mode (HtmlCompat).
  • maxLines == Int.MAX_VALUE -> full mode (WebView.loadDataWithBaseURL(...)) with TSIMS base URL.
• Club detail intro area now gives the description a larger bounded render region and full-content mode to reduce truncation.
• Existing behavior for other CAS screens remains compatible.

Validation

• Build check passed:
  • ./gradlew :app:compileDebugKotlin

Notes / Risks

• WebView rendering is heavier than TextView rendering; this is intentionally limited to full-detail path.
• Final visual parity still depends on what HTML/CSS the backend sends and any externally referenced resources.
• Line-ending warnings (LF/CRLF) are environment-related and not functional regressions.

Files touched (key)

• app/src/main/java/com/computerization/outspire/feature/cas/HtmlText.kt
• app/src/main/java/com/computerization/outspire/feature/cas/ClubDetailScreen.kt
• app/src/main/java/com/computerization/outspire/designsystem/OutspireScreen.kt
• app/src/main/java/com/computerization/outspire/data/remote/CasService.kt