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🌤️ Intelligent Weather Updates Implemented

✅ What's New?

I've completely rebuilt the Weather Logic to be smarter, cheaper, and more reliable.

1. 🧠 Smart 4-Hour AI Caching

The Logic:

Raw Weather Data (OpenMeteo): Updates every 30 minutes (Free).
AI Summary (Gemini): Updates every 4 hours (Paid/Token efficient).
Day Change Detection: Automatically forces a fresh update if the date changes (e.g., midnight).

The Result:

You get fresh temperature numbers immediately.
The witty AI summary updates 3-4 times a day (Morning, Lunch, Afternoon, Evening).
Zero wasted money on checking weather every minute.

2. 🛡️ Robust "NaN" Prevention

The Fix:

Added strict checks for "undefined" or "null" data.
If the API fails or is loading:
- Shows -- instead of NaN.
- Shows a "Loading..." state instead of crashing.
Default falbacks for icons (☀️/☁️) if data is missing.

3. 💰 Cost Protection Strategy

Plan: Blaze Tier Optimization

Max AI Calls per Day: ~6 calls (assuming 24h usage).
Cost Estimate: Nearly $0.00.
Fail-safes: If Gemini fails, it falls back to Gemini 1.5, then to a smart "Offline Algorithm" that generates a summary based on rain probability without using AI at all.

🧪 How to Verify

Wait 30 minutes: You'll see the temperature might change, but the AI text might stay the same (saving money!).
Check Tomorrow: The "Day Change" logic ensures you wake up to a fresh forecast.
Turn off Internet: The app will gracefully show cached data or fallback icons instead of NaN.

Enjoy your smart, wallet-friendly weather assistant! 🌦️