replace v2 plot filter constants for the new filter algorithm

[arvidn]

Note

High Risk
Changes consensus constant layout and serialized ConsensusConstants, which affects proof-of-space eligibility once consumers adopt the new v2 filter algorithm.

Overview
Updates ConsensusConstants for the new v2 plot filter schedule: the three placeholder plot_filter_v2_*_adjustment_height fields are removed and replaced with plot_filter_v2_relative_height (nine heights relative to hard fork 2, last activation first), plus filter_window_size (16) and max_effective_plot_filter_bits (13).

TEST_CONSTANTS, test DEFAULT_CONSTANTS in run_gen.py, the test_consensus_constants repr assertion, and chia_rs.pyi are aligned with the new fields and concrete testnet height values.

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[arvidn]

@cursor review

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^{Reviewed by Cursor Bugbot for commit 72317cb. Configure here.}

[coveralls-official]

Coverage Report for CI Build 29026707831

Coverage remained the same at 81.938%

Details

• Coverage remained the same as the base build.
• Patch coverage: No coverable lines changed in this PR.
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	19671
Covered Lines:	16118
Line Coverage:	81.94%
Coverage Strength:	11506759.94 hits per line

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💛 - Coveralls