fix: include repetitionId in notification event URLs for Telegram, Slack, and Loop

[Dobrunia]

Problem

Notification links in Telegram, Slack, and Loop were pointing to the original event (/event/:eventId/) instead of the specific repetition that triggered the notification. The email channel had this correct already.

Changes

• telegram/src/templates/event.ts — appends repetitionId/overview to the event URL when repetitionId is present
• loop/src/templates/event.ts — same fix
• slack/src/templates/utils.ts — getEventUrl() now accepts an optional repetitionId and includes it in the URL
• slack/src/templates/event.ts — passes eventInfo.repetitionId to getEventUrl()

URL format: /project/:projectId/event/:eventId/:repetitionId/overview (matches the email template and Garage router expectation).

[Copilot]

Pull request overview

Updates notification templates so Telegram, Slack, and Loop include the triggering repetitionId in event links (matching the URL shape already used by the email channel for repetition-specific navigation).

Changes:

• Telegram/Loop event templates now append /:repetitionId/overview when repetitionId is present.
• Slack getEventUrl() now accepts an optional repetitionId and composes repetition-specific URLs; Slack event template passes it through.
• Adds/extends unit tests to validate URL composition for Telegram, Loop, and Slack.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
workers/telegram/src/templates/event.ts	Adds repetition-aware event URL construction.
workers/telegram/tests/provider.test.ts	Adds coverage asserting repetition-aware URLs in rendered Telegram messages.
workers/loop/src/templates/event.ts	Adds repetition-aware event URL construction.
workers/loop/tests/provider.test.ts	Adds coverage asserting repetition-aware URLs in rendered Loop messages.
workers/slack/src/templates/utils.ts	Extends getEventUrl() to optionally include repetitionId + /overview.
workers/slack/src/templates/event.ts	Passes eventInfo.repetitionId into getEventUrl().
workers/slack/tests/utils.test.ts	Adds unit tests for getEventUrl() repetition behavior.
package.json	Bumps package version from 0.1.3 to 0.1.4.

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