design: Make service map drill-down links more obvious

[pulpdrew]

Summary

The buttons within the service map tooltips were hard to recognize as buttons/links. I've added an icon and give them a hover state.

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After

[vercel]

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Project	Deployment	Actions	Updated (UTC)
hyperdx-v2-oss-app	Ready	Preview, Comment	Feb 13, 2026 8:48pm

[changeset-bot]

🦋 Changeset detected

Latest commit: aa7c63a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@hyperdx/app	Patch
@hyperdx/api	Patch
@hyperdx/otel-collector	Patch

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[claude]

PR Review

❌ Button variant violation → Replace variant="subtle" with allowed variants per agent_docs/code_style.md:

• Line 64: Use variant="secondary" for requests button
• Line 78: Use variant="secondary" for errors button (or consider if this should be variant="danger" given it shows errors)

❌ Invalid color prop → Remove color="var(--color-text)" and color="var(--color-text-danger)"

• Custom variants handle colors automatically
• CSS variables should not be passed directly to Button color prop

⚠️ Unused imports → Remove unused Group and UnstyledButton imports (ServiceMapTooltip.tsx:4)

---

Note: The project strictly requires using only variant="primary", variant="secondary", or variant="danger" for Button components. The subtle variant is not in the allowed list.

[github-actions]

E2E Test Results

✅ All tests passed • 64 passed • 4 skipped • 851s

Status	Count
✅ Passed	64
❌ Failed	0
⚠️ Flaky	2
⏭️ Skipped	4

Tests ran across 4 shards in parallel.

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