fix(tui): render HTML tags as plain text in Markdown component

Handles both block-level and inline HTML tags that were previously
silently dropped.

fixes #359

packages/tui/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- Markdown component now renders HTML tags as plain text instead of silently dropping them ([#359](https://github.com/badlogic/pi-mono/issues/359))
+
 ## [0.29.0] - 2025-12-25
 
 ### Added

packages/tui/src/components/markdown.ts

@@ -317,7 +317,10 @@ export class Markdown implements Component {
 				break;
 
 			case "html":
-				// Skip HTML for terminal output
+				// Render HTML as plain text (escaped for terminal)
+				if ("raw" in token && typeof token.raw === "string") {
+					lines.push(this.applyDefaultStyle(token.raw.trim()));
+				}
 				break;
 
 			case "space":
@@ -394,6 +397,13 @@ export class Markdown implements Component {
 					break;
 				}
 
+				case "html":
+					// Render inline HTML as plain text
+					if ("raw" in token && typeof token.raw === "string") {
+						result += this.applyDefaultStyle(token.raw);
+					}
+					break;
+
 				default:
 					// Handle any other inline token types as plain text
 					if ("text" in token && typeof token.text === "string") {