feat: add pre-launch auction phase UI for creator key listings (#924)

[cold-13]

Closes #924

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Adds the reader-facing view of a creator key's pre-launch bidding window:
a live countdown driven by the auction end timestamp, a validated bid input
(floor = highest bid + min increment), a ranked/leader-highlighted bid
history that polls on an interval, an outbid state when the connected wallet
stops leading, and an automatic transition back to the bonding curve page
once the auction closes.

Wires the page to the pre-launch auction config surfaced in #816/#808 and
follows the polling/invalidation patterns established by the marketplace
price work in #918.

[baling-1]

Summary
Adds the reader-facing view of a creator key's pre-launch bidding window, wired to the pre-launch auction config from #816/#808 and following the polling/invalidation patterns established by the marketplace price work in #918.
What's included

• AuctionCountdown – live countdown driven by the auction end timestamp
• AuctionBidPanel – validated bid input (floor = highest bid + min increment)
• AuctionBidHistory – ranked bid history with leader highlight, polling on an interval
• AuctionPhaseSection – ties phase state, countdown, bid panel, and history together
• Outbid state – flags when the connected wallet stops leading
• Auto-transition – returns to the bonding curve page once the auction closes
• New hooks (useAuctionPhase, useAuctionBids, useCreatorContractActions), auction bid utilities, query keys, and service methods
  Files (11 changed, ~1,048 insertions)
• New components/hooks/utilities under src/components/common/, src/hooks/, src/utils/
• Updates to CreatorDetailPage.tsx, course.service.ts, queryKeys.ts
  Closes Build pre-launch auction phase UI for new creator key listings #924

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