Add scheduled weather sentinel, admin weather location API and UI

[DivyanshuChipa]

Motivation

• Add a proactive weather sentinel to notify connected users (Family Group) about heavy rain or extreme heat.
• Allow admins to configure a default weather location used by the sentinel.
• Run the sentinel on a daily schedule within the FastAPI app lifecycle.

Description

• Introduced backend/tasks.py implementing run_proactive_weather_sentinel which fetches forecasts from Open-Meteo, uses the AI engine (ask_ai) to generate a short warning, saves/broadcasts the message, and creates delivery entries.
• Added persistent config helpers get_default_location and set_default_location to backend/users.py to store default coordinates in the config table.
• Added admin API endpoints GET /admin/weather_location and POST /admin/weather_location in backend/admin_api.py and wired the new user helpers into imports.
• Started an AsyncIOScheduler in the FastAPI lifespan (in backend/server.py) that schedules run_proactive_weather_sentinel to run daily at 07:00 IST and shuts down cleanly.
• Added GUI support in intra_admin/admin.py with a weather location card, load_weather_location and save_weather_location to call the new endpoints and validate input.
• Updated backend/requirements.txt to include apscheduler and httpx (and added httpx usage in tasks.py).

Testing

• No automated tests were executed as part of this change.

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[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Avoid Python 3.9-only tuple annotation in backend task

This repository declares Python 3.8+ support, but tuple[float, float] requires Python 3.9+ (unless postponed evaluation is enabled). On Python 3.8, importing this module raises TypeError: 'type' object is not subscriptable, which prevents server.py from importing tasks.py and can stop the backend from starting at all.

Useful? React with 👍 / 👎.

[chatgpt-codex-connector]

Mark weather alerts delivered after websocket send

This path creates delivery_status rows for all recipients, but the websocket send loop does not mark recipients as delivered when send_to_user succeeds. In this codebase, pending rows are replayed on reconnect via get_undelivered_messages, so users who already received the live weather alert will get a duplicate after reconnecting.

Useful? React with 👍 / 👎.