feat(entities-plugins): datakit - value indicator

[2eha0]

Summary

[Copilot]

Pull Request Overview

This PR adds a new ValueIndicator component to the Datakit flow editor that displays visual indicators for special connections (vault connections and cross-phase connections) on flow nodes. The indicator shows an icon and additional count when multiple connections exist, with tooltips providing connection details.

• Added ValueIndicator component with support for input/output modes and reversed positioning
• Integrated ValueIndicator into FlowNode for displaying special input and output connections
• Modified FlowCanvas hover styles to prevent conflicts with ValueIndicator interactions

Reviewed Changes

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

File	Description
ValueIndicator.vue	New component for displaying connection indicators with icons, counts, and tooltips
FlowNode.vue	Integrated ValueIndicator components and added logic to detect special connections
FlowCanvas.vue	Updated hover styles to exclude nodes with active ValueIndicator hover states

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[Justineo]

LGTM