chore: ratatui 0.30 maintenance + collaboration baseline (#1)

.github/ISSUE_TEMPLATE/compatibility_request.md

@@ -0,0 +1,19 @@
+---
+name: Compatibility request
+about: Request compatibility with ratatui/crossterm/etc.
+title: "[compat] "
+labels: ["compat-ratatui"]
+assignees: []
+---
+
+## Compatibility Target
+Library and target version (for example ratatui 0.31).
+
+## Current Behavior
+What fails today?
+
+## Expected Outcome
+What should work after this request is addressed?
+
+## Risks
+Any known API or behavior breakage concerns.