chore: improve demo tape

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: Rohan5commit

.github/demo.tape

@@ -1,11 +1,25 @@
 Output demo.gif
 Set FontSize 20
-Set Width 1200
-Set Height 700
+Set Width 1400
+Set Height 900
 Set Theme "Builtin Solarized Dark"
 
-Type "roast https://github.com/psf/requests --no-llm --max-files 20"
+Type "clear"
 Enter
+Sleep 1s
 
-Type "echo 'Report generated: roast-report.html'"
-Enter
+Type "echo '🔥 roast-my-code demo: analyze a repo and export HTML report'"
+Enter
+Sleep 1s
+
+Type "roast . --no-llm --max-files 20 --extensions py,js,ts,tsx,md,toml --output demo-report.html"
+Enter
+Sleep 1s
+
+Type "ls -lh demo-report.html"
+Enter
+Sleep 1s
+
+Type "echo 'Open demo-report.html in your browser for the full report.'"
+Enter
+Sleep 2s