 dimgigov
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422df08ab9
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feat: clean build + crossmodal.tla + TLA+ symmetry (v1.0.0-prep)
Build warnings cleanup (0 warnings):
- Suppress threadpool deprecation warning (baradadb.nim)
- Remove unused 'os' import (logging.nim)
- Fix ImplicitDefaultValue for newNode params (ast.nim)
- Add explicit cstring cast for posix.open (wal.nim)
- Fix HoleEnumConv for MsgKind parsing (server.nim)
TLA+ Formal Verification:
- Add symmetry reduction (Permutations) to all 9 existing specs
- Add SYMMETRY directive to all .cfg files
- New crossmodal.tla: cross-modal consistency spec
* MetadataVectorConsistency, HybridResultValid
* CommittedAtomicity, AbortedAtomicity, TxnStateValid
- New models/crossmodal.cfg
Tests:
- Add Cross-Modal TLA+ Faithfulness tests (4 tests)
Docs:
- Update PLAN.md and BUG_AUDIT.md with completed tasks
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2026-05-13 09:24:04 +03:00 |
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dimgigov
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19d0ff7366
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feat(verify): expand formal verification to 7 specs, add versioning, CI integration
Added 3 new TLA+ specs:
- gossip.tla — SWIM gossip membership & failure detection
- deadlock.tla — wait-for graph deadlock detection
- sharding.tla — consistent hashing shard assignment
Improved existing 4 specs:
- raft.tla: added CommittedIndexValid invariant
- twopc.tla: added CoordinatorConsistency, NoDecideWithoutConsensus,
ParticipantStateValid; increased to MaxTxnId=3
- mvcc.tla: added CommittedMustStart, CommittedVersionsUnique
- replication.tla: added AppliedLteCurrent, SemiSyncQuorum
Infrastructure:
- VERSION file (1.0.0)
- CHANGELOG.md
- ANALYSIS.md (weak spots & improvement plan)
- run_all.sh script for batch TLC verification
- CI verify job in GitHub Actions
- Updated README with new specs and properties
Total: 7 specs, 26 invariants, 11.6M states checked, 0 errors
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2026-05-07 18:26:55 +03:00 |
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