lib.metering

@lssm-tech/lib.metering

Website: https://contractspec.io

Usage metering and billing core module for ContractSpec applications.

What It Provides

• Couche: lib.
• Consumers: bundles.
• src/contracts/ contains contract specs, operations, entities, and registry exports.
• src/docs/ contains docblocks and documentation-facing exports.
• src/contracts/ contains contract specs, operations, entities, and registry exports.
• src/docs/ contains docblocks and documentation-facing exports.

Installation

npm install @lssm-tech/lib.metering

or

bun add @lssm-tech/lib.metering

Usage

Import the root entrypoint from @lssm-tech/lib.metering, or choose a documented subpath when you only need one part of the package surface.

Architecture

• src/aggregation is part of the package's public or composition surface.
• src/analytics is part of the package's public or composition surface.
• src/contracts/ contains contract specs, operations, entities, and registry exports.
• src/docs/ contains docblocks and documentation-facing exports.
• src/entities/ contains domain entities and value objects.
• src/events.ts is package-level event definitions.
• src/economic-usage-ledger.ts records append-only feature and operation usage with neutral allocation dimensions, idempotency, superseding corrections, and exact deterministic aggregation.
• src/index.ts is the root public barrel and package entrypoint.

Public Entry Points

• Export . resolves through ./src/index.ts.
• Export ./aggregation resolves through ./src/aggregation/index.ts.
• Export ./analytics/posthog-metering resolves through ./src/analytics/posthog-metering.ts.
• Export ./analytics/posthog-metering-reader resolves through ./src/analytics/posthog-metering-reader.ts.
• Export ./contracts resolves through ./src/contracts/index.ts.
• Export ./docs resolves through ./src/docs/index.ts.
• Export ./docs/metering.docblock resolves through ./src/docs/metering.docblock.ts.
• Export ./entities resolves through ./src/entities/index.ts.
• Export ./economic-usage-ledger resolves through ./src/economic-usage-ledger.ts.
• Export ./events resolves through ./src/events.ts.
• Export ./metering.capability resolves through ./src/metering.capability.ts.
• The package publishes 11 total export subpaths; keep docs aligned with package.json.

Local Commands

• bun run dev — contractspec-bun-build dev
• bun run build — contractspec-bun-build build
• bun run lint — bun lint:fix
• bun run lint:check — biome check .
• bun run lint:fix — biome check --write --unsafe --only=nursery/useSortedClasses . && biome check --write .
• bun run typecheck — tsgo --noEmit
• bun run publish:pkg — bun publish --tolerate-republish --ignore-scripts --verbose
• bun run publish:pkg:canary — bun publish:pkg --tag canary
• bun run clean — rimraf dist .turbo
• bun run build:bundle — contractspec-bun-build transpile
• bun run build:types — contractspec-bun-build types
• bun run prebuild — contractspec-bun-build prebuild

Recent Updates

• Replace eslint+prettier by biomejs to optimize speed.
• Stability.
• Resolve lint, build, and type errors across nine packages.
• Add AI provider ranking system with ranking-driven model selection.

Notes

• Aggregation logic must stay deterministic — non-determinism causes billing discrepancies.
• New economic usage should use decimal-string or integer quantities. Corrections append a new record and cite the superseded record; they never mutate or delete history.
• Billing-related schemas are compliance-sensitive; changes require review.
• Capability contract (metering.capability) is public API — treat as a breaking-change surface.