stale tickets config

[System-End]

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[Copilot]

Pull request overview

Adds an admin-managed “Settings” area in the Slack App Home to configure stale ticket auto-close, persisting configuration in the database and making the stale-close task use the configured threshold.

Changes:

• Introduces a new Prisma Settings model for key/value configuration storage.
• Adds Slack App Home “Settings” tab + modal/actions to configure/enable/disable stale_ticket_days.
• Enables and updates the stale-ticket closer task to use the DB-configured threshold and run on a scheduler.

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
prisma/schema.prisma	Adds DB model for persisted settings (key/value + timestamps).
nephthys/views/modals/configure_stale_days.py	New modal UI for editing stale-days threshold.
nephthys/views/home/settings.py	New App Home Settings view (admin-gated) showing stale-close status and actions.
nephthys/views/home/__init__.py	Adds “Settings” to App Home navigation.
nephthys/utils/slack.py	Registers new Slack action + view handlers for settings flows.
nephthys/utils/env.py	Adds helper to read/parse stale_ticket_days from DB settings.
nephthys/tasks/close_stale.py	Uses configured stale-days threshold; disables task when unset.
nephthys/events/app_home_opened.py	Routes App Home navigation to the new settings view.
nephthys/actions/settings.py	Implements Slack callbacks to configure / toggle the stale-close feature.
nephthys/__main__.py	Schedules the stale-close job to run hourly.
docs/deployment.md	Documents how to configure bot settings from Slack App Home.

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[Copilot]

Pull request overview

Copilot reviewed 11 out of 11 changed files in this pull request and generated 3 comments.

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[MMK21Hub]

Just forwarding the context from DMs:

Heads up that #175 (stale tickets config) introduces a new config system to the DB which I don't want to do rn (I do want to add a new config system at some point, but that requires a lot of thought)

right now similar things are configured through environment variables so I don't want to add a whole new mechanism just to configure this

happy to accept this w/o the new config system and just with an env var to configure it!