Use SQLITE_MAX_VARIABLE_NUMBER for chunking limit

[emlowe]

Wallet code was using the old 900 limit for chunking with trusted node - this change uses the SQLITE_MAX_VARIABLE_NUMBER var which sets the limit much highter in newer sqlite versions

Note, the untrusted limit remains unchanged

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Note

Low Risk
Low risk: only adjusts the trusted sync batch size constant used for SQLite queries, with untrusted behavior unchanged; main concern is potential performance/memory impact from larger batches on some environments.

Overview
Updates wallet coin-state ingestion to size trusted-mode DB batches using SQLITE_MAX_VARIABLE_NUMBER (instead of a hardcoded 900) to match the SQLite host parameter limit on newer versions.

Untrusted-mode batching remains at 10, preserving existing validation/throughput behavior for untrusted peers.

^{Reviewed by Cursor Bugbot for commit d5d996a. Bugbot is set up for automated code reviews on this repo. Configure here.}

[coveralls-official]

Coverage Report for CI Build 25115513192

Warning

Build has drifted: This PR's base is out of sync with its target branch, so coverage data may include unrelated changes.
Quick fix: rebase this PR. Learn more →

Coverage decreased (-0.09%) to 91.206%

Details

• Coverage decreased (-0.09%) from the base build.
• Patch coverage: 2 of 2 lines across 1 file are fully covered (100%).
• 107 coverage regressions across 29 files.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

107 previously-covered lines in 29 files lost coverage.

Top 10 Files by Coverage Loss	Lines Losing Coverage	Coverage
chia/_tests/core/util/test_lockfile.py	22	77.42%
chia/timelord/timelord.py	13	73.08%
chia/server/node_discovery.py	10	80.56%
chia/daemon/server.py	7	80.62%
chia/_tests/core/server/test_event_loop.py	6	89.04%
chia/wallet/wallet_node.py	6	87.16%
chia/full_node/full_node.py	5	87.59%
chia/introducer/introducer.py	4	83.62%
chia/server/server.py	4	86.1%
chia/simulator/setup_services.py	3	96.3%

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Coverage Stats

Relevant Lines:	117961
Covered Lines:	107753
Line Coverage:	91.35%
Relevant Branches:	11747
Covered Branches:	10548
Branch Coverage:	89.79%
Branches in Coverage %:	Yes
Coverage Strength:	1.83 hits per line

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💛 - Coveralls