chore(frontend): console.log → console.debug in App.tsx deep-link handler

[Salem874]

Problem

src/App.tsx:950 uses `console.log()` to log every deep-link URL received via the `meedyadl://` scheme. The prevailing convention for dev-only diagnostics elsewhere is `console.debug()` (see src/hooks/useTheme.ts:188-196, src/main.tsx:90) so console-log noise in production builds is minimised by browsers' default log levels.

The line above (945-948) already shows a user-facing toast announcing the deep-link event, so the extra console line is purely dev-diagnostic.

Fix

One-word edit: `console.log` → `console.debug` at src/App.tsx:950.

Verification

• TypeScript compile clean.
• Verify in devtools: with default log level (info), the line no longer appears; with verbose enabled it still does.