server: Add views for server telemetry.

Kobe Nysrequested to merge
telemetry_views into master

Summary by CodeRabbit

  • New Features

    • Added a broad set of telemetry and diagnostic views for tracking frontier, voided, and on-chain spent outputs.
    • Introduced reconciliation and breakdown views for expiry, height, spend state, and ownership totals.
    • Added a helper for identifying late sweeps, plus views for unconfirmed funding transactions, missing frontier outputs, and cascade analysis.

  • Chores

    • The new telemetry objects are safe to re-run manually and can be refreshed cleanly.
Edited by coderabbit

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