* fix(usage): wire agentrouter balance quota into dashboard Quota UI (#10078)
* fix(usage): render AgentRouter wallet balance as USD in the Quota UI (#10078)
The prior fix wired AgentRouter's balance into getUsageForProvider() and
USAGE_SUPPORTED_PROVIDERS, but the actual dollar figure never reached the
Dashboard Quota UI: quotas.balance.remaining carried a synthetic two-state
percent (100/0) instead of the real dollarBalance, and the Provider Limits
renderer only formats a row as "$X.XX" when isCredits/currency/creditCount
are set, which the generic quota-parsing path never sets. A configured
balance rendered as a bare "100% left" percentage, not USD.
Shape quotas.balance.remaining as the real USD amount (clamped to 0) and add
an agentrouter branch to quotaParsing.ts that builds a credits-style row
(same buildCreditsQuota() pattern as DeepSeek/Claude extra-usage), so a
configured balance shows a currency-formatted dollar amount and an
exhausted balance always renders as exactly $0.00.
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Co-authored-by: adevwithpurpose <adevwithpurpose@users.noreply.github.com>
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