[pitill0]

Summary

Improve remote catalog identification across FluxTuner Web and fix mobile navigation usability issues discovered during browser testing.

Changes

• Add optional custom names when subscribing to remote catalogs.
• Persist custom catalog names using the existing station source metadata, without database migrations.
• Generate recognizable labels for GitHub Raw catalogs using the repository owner and name.
• Display consistent catalog labels across the subscription manager, unified library, and catalog details.
• Prevent remote URL credentials, query parameters, and private paths from appearing in generated labels.
• Improve subscription manager layout with dedicated catalog information and action sections.
• Keep mobile navigation accessible while scrolling, with responsive drawer positioning.
• Extend API and JavaScript regression tests to cover catalog identification and subscription UI behavior.

Validation

• 1,879 tests passed, 8 skipped
• Ruff, formatting, mypy, Bandit, and JavaScript syntax checks passed.
• Desktop and mobile browser testing completed successfully in Chrome.
• Clean FluxTuner Web 1.4.1 runtime environment audited with no known dependency vulnerabilities.
• git diff --check passed.

Notes

• No database migration required.
• No changes to the existing remote playlist import contract.
• No production deployment or dependency upgrades included.
• Existing development environment dependency advisories are tracked separately from the clean Web runtime audit.