feat: add Loops to command search

[MattPua]

Problem

Loops is available in sidebar navigation but missing from command search.

Changes

• Add a feature-flagged Loops navigation command
• Navigate using the shared Loops route helper
• Track the new command-menu action

How did you test this?

• pnpm --filter @posthog/shared typecheck
• pnpm --filter @posthog/ui typecheck
• pnpm exec biome check packages/shared/src/analytics-events.ts packages/ui/src/features/command/CommandMenu.tsx

Automatic notifications

• Publish to changelog?
• Alert Sales and Marketing teams?

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Created with PostHog Code

[trunk-io]

😎 Merged successfully - details.

[github-actions]

React Doctor found no issues in the changed files. 🎉

_{Reviewed by React Doctor for commit 2c91f24.}

[greptile-apps]

_{Reviews (1): Last reviewed commit: "feat: add Loops to command search" | Re-trigger Greptile}

[github-actions]

Small, additive, feature-flagged command-menu entry using existing shared navigation/analytics types — no risky territory touched, diff matches description, and Greptile's review gave a thumbs-up with no unresolved concerns.

• Author wrote 0% of the modified lines and has 10 merged PRs in these paths (familiarity MODERATE).
• 👍 on the PR from greptile-apps[bot].

Gate mechanics and policy version

Gate		Result
prerequisites	✓	all clear
deny-list	✓	no deny categories matched
size	✓	22L, 2F substantive — within ceiling
tier	✓	T1-agent / T1b-small (22L, 2F, single-area, feat)
stamphog 2.0.0b3		.stamphog/policy.yml @ 0305ec2 · reviewed head 2c91f24