Update ant bpp9000

[cyber-pc]

The PR include 2 changes,

• Shared epoch root: all IDs' ant colony trees now branch from one shared root ANN derived from the epoch-start spectrum digest, instead of each identity deriving its own root from its public key. new: deriveRootLut(rootSeed, pRandom2Pool) vs old: deriveRootLut(publicKey, pRandom2Pool)
• Task file update
  • New topology update into data/bpp9000.task, topology hash updated in public_settings.h (data hash unchanged).
  • The data block now holds 8761 pairs: the 8760 scored pairs (unchanged byte for byte) plus 1 holdout pair right after the training window. The holdout pair is excluded from scoring and from every hash; it lets trackers compare ANN predictions against the actual next price movement.
  • No loader changes: the node reads only the scored region and already accepts numPairs >= T. File grows from 44744 to 44749 bytes

[cyber-pc]

this PR is tested and ready.

[fnordspace]

LGTM