feat: Expression engine formulas, live report export, and transaction manager#425

Merged

hotlong merged 5 commits intomainfrom

copilot/full-stack-integration-enhancements

Feb 10, 2026

Commits on Feb 10, 2026

Initial plan
Copilot
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feat(core): add formula functions to expression engine (SUM, AVG, COUNT, MIN, MAX, TODAY, NOW, DATEADD, DATEDIFF, IF, AND, OR, NOT, SWITCH, CONCAT, LEFT, RIGHT, TRIM, UPPER, LOWER)

Copilot
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hotlong
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feat(plugin-report): add live data export, Excel formulas, and schedule triggers

Copilot
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hotlong
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feat(core): add TransactionManager with optimistic updates, rollback, and batch progress tracking

Copilot
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hotlong
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fix: use crypto.randomUUID for transaction IDs, use single-quote for Excel formula injection protection

Copilot
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hotlong
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