ChemSearch v1.4.5 - Cached compounds, Hydrated compounds mass calculation, 3D viewer fix etc.

What's New

• Offline access for previously viewed compounds
  • Full disk-based caching of compound data (PubChem CID → JSON)
    • View detailed compound information even when offline
    • Significantly reduces repeated API calls
• Updates to Molar Mass Calculator
  • Now fully supports hydrated compounds (e.g. CuSO₄·5H₂O, Na₂SO₄·10H₂O, FeCl₃·6H₂O)
  • Added quick-insert toolbar buttons for: · (hydration dot), & parentheses( ).
• Cache Management in Settings
  • See current cache size
  • One-tap Clear Cache button
  • Option to select a custom cache directory

Improvements & Fixes

• Added proper BackHandler with exit confirmation dialog
• Cleaner, more consistent UI labels
  • “GHS Safety Information” section header instead of 'Safety (GHS)'
  • Improved wording and clarity throughout the app
• 3D Molecule Viewer refinements
  • Enabled clipToBounds, which fixes rendering artifacts at screen edges
  • Better positioning and styling of overlay text/icons

Technical Changes

• Refactored ChemViewModel to use StateFlow for tracking presence of Gemini & Groq API keys
• Implemented complete disk caching layer for compound data
  (JSON serialization + cache size management + custom directory support)
• Updated README.md
  • Added Product Hunt badge
  • Improved documentation tables and structure