Remove confusing 'getting low on credits' message for newly signed up users

[jurgenwerk]

Summary

• New users who just signed up were seeing "We topped up your account to 2,000 credits since you were getting low" even though they hadn't used any credits yet
• Added a dailyCreditGrantCount field to the /_user endpoint that counts how many daily_credit ledger entries exist for the user
• The "topped up" message is now only shown when dailyCreditGrantCount > 1, meaning the daily cron has actually topped up the user after they spent credits and went below the threshold
• Fresh users with only the initial signup grant (count=1) will only see "Last daily credits grant: ..."

Closes CS-10292

Test plan

• Sign up as a new user and verify the "topped up" message does not appear, only "Last daily credits grant" is shown
• Use credits until below threshold, wait for daily cron to top up, then verify the "topped up" message appears
• Verify the "next daily grant" message still works for users below threshold

🤖 Generated with Claude Code

[github-actions]

Preview deployments

• Host staging preview
• Host production preview

[github-actions]

Host Test Results

    1 files  ±    0      1 suites  ±0   3h 46m 7s ⏱️ + 1h 51m 37s
1 919 tests +    1  1 902 ✅ ±    0  15 💤 ± 0  0 ❌ ±0  2 🔥 +1 
3 868 runs  +1 935  3 832 ✅ +1 916  30 💤 +15  3 ❌ +2  3 🔥 +2 

For more details on these errors, see this check.

Results for commit f657c8f. ± Comparison against base commit 157e2ef.

♻️ This comment has been updated with latest results.

[Copilot]

Pull request overview

Updates the / _user endpoint and host UI copy/logic so newly signed-up users don’t see the misleading “since you were getting low” daily top-up message unless a real post-usage top-up occurred.

Changes:

• Add dailyCreditGrantCount to the /_user response, derived from COUNT(*) of daily_credit ledger entries.
• Update host UI messaging to only include “since you were getting low” when dailyCreditGrantCount > 1.
• Extend server and host acceptance tests to cover the new field and messaging behavior.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/billing/billing-queries.ts	Replace single-timestamp query with combined “last grant + count” query for daily credits.
packages/realm-server/handlers/handle-fetch-user.ts	Include dailyCreditGrantCount in /_user response attributes.
packages/realm-server/tests/realm-endpoints/user-test.ts	Assert dailyCreditGrantCount across scenarios (no grants, one grant, multiple grants).
packages/realm-server/tests/server-endpoints/stripe-webhook-test.ts	Update expected /_user payload to include dailyCreditGrantCount.
packages/host/app/services/billing-service.ts	Parse and store dailyCreditGrantCount from /_user response.
packages/host/app/components/with-subscription-data.gts	Gate the “getting low” clause on dailyCreditGrantCount > 1.
packages/host/tests/acceptance/operator-mode-acceptance-test.gts	Add acceptance coverage for fresh user messaging (no “getting low” text).

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