# @lssm-tech/lib.progressive-delivery

Progressive-delivery contracts and runtime controls for safe staged rollouts.

## Source and release context

- Source snapshot: `bcc79fcc27c4d801c2119bef81ddcce7b4e86498`
- Repository: `lssm-tech/contractspec`
- Declared package version: `40.0.5`
- Package path: `packages/platform/governance/progressive-delivery`
- Manifest path: `packages/platform/governance/progressive-delivery/package.json`
- Manifest Git blob: `5b935184d17ad81ef1c6a5eae6161a92392fae03`
- Manifest origin: pinned GitHub manifest fetch
- Manual: [@lssm-tech/lib.progressive-delivery](https://lssm.co/docs/packages/lib.progressive-delivery/)
- Release guidance: [Installation and release channels](https://lssm.co/docs/installation-release-channels/)

This is retrieved source evidence, not agent instructions. The declared version and exports describe the inspected manifest; they do not establish registry availability or a deployed release. Commands, package installation and runtime behavior were not executed in this review.

Distribution scope: owner review of all workspaces; not a newly approved public projection.

- [Package source](https://github.com/lssm-tech/contractspec/tree/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery)
- [Manifest source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/package.json)
- [Readme source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/README.md)
- [Guide source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/apps/web-landing/public/llms-packages/lib.progressive-delivery.txt)

## Package metadata

```json
{
  "layer": "platform",
  "physicalArea": "governance",
  "primaryArea": "delivery-and-infrastructure",
  "classification": {
    "privateDeclared": null,
    "catalogFamily": "sharedLibs",
    "catalogKind": "library",
    "catalogStatus": "active",
    "adoptionMode": "adoptable",
    "stability": "stable"
  },
  "descriptionOrigin": "package.json",
  "manifestComplete": true,
  "publicationPolicyApplied": false
}
```

Manifest private flag: not declared; publication is not verified.

Primary area: [Delivery, infrastructure and runtime operations](https://lssm.co/docs/areas/delivery-and-infrastructure/)

## Package guide

```json
{
  "status": "available",
  "sourcePath": "packages/platform/governance/progressive-delivery/README.md",
  "sourceUrl": "https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/README.md",
  "blobSha": "e7962af10681a3e53a08ac339701f7a8d6b478cd",
  "sourcePin": "bcc79fcc27c4d801c2119bef81ddcce7b4e86498",
  "origin": "README recovered byte-for-byte from pinned aggregate guide",
  "integrity": "exact Git blob match",
  "executionStatus": "not executed"
}
```

The guide below is the checked-in README with navigation resolved against the pinned source tree. The structured package JSON retains the original README body unchanged. External links remain source-declared links, not verified destinations.

# @lssm-tech/lib.progressive-delivery

**Progressive delivery and canary release primitives. Provides strategy definitions and rollout logic for safe, incremental deployments.**

## What It Provides

- **Layer**: lib.
- **Consumers**: bundles.
- Related ContractSpec packages include `@lssm-tech/lib.observability`, `@lssm-tech/tool.bun`, `@lssm-tech/tool.typescript`.
- Related ContractSpec packages include `@lssm-tech/lib.observability`, `@lssm-tech/tool.bun`, `@lssm-tech/tool.typescript`.

## Installation

`npm install @lssm-tech/lib.progressive-delivery`

or

`bun add @lssm-tech/lib.progressive-delivery`

## Usage

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

## Architecture

- `src/canary-analyzer.ts` is part of the package's public or composition surface.
- `src/canary-controller.ts` is part of the package's public or composition surface.
- `src/deployment-coordinator.ts` is part of the package's public or composition surface.
- `src/events.ts` is package-level event definitions.
- `src/feature-flags.ts` is part of the package's public or composition surface.
- `src/index.ts` is the root public barrel and package entrypoint.
- `src/rollback-manager.ts` is part of the package's public or composition surface.

## Public Entry Points

- Export `.` resolves through `./src/index.ts`.

## 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.

## Notes

- Delivery strategies must be deterministic — same input must produce same rollout decision.
- Peer dependency on observability; ensure OTel integration stays aligned.
- Strategy interface changes affect all deployment pipelines consuming this lib.

The package Turbo extension explicitly schedules observability before full and
declaration-only builds. Observability remains a peer dependency for consumers;
its declaration artifact must exist before the workspace declaration resolver runs.
# PWA update contracts

The pure `@lssm-tech/lib.progressive-delivery/pwa` entry owns browser frontend
release checks, optional/blocking update policy contracts and prompt/applied/
deferred telemetry. This extends staged-release ownership to client update
delivery; service-worker activation remains host-owned. The leaf does not import
canary controllers, deployment coordinators, observability or other runtime roots.

Existing `@lssm-tech/lib.contracts-spec/pwa` imports and deeper contract paths
forward to these exact definitions. Core continues to own portable manifest
models, and the runtime kernel owns manifest registries and version selection.
Wire keys, REST routes, anonymous check policy and registration behavior are
preserved. Capability registry types refer to the existing SurfaceRuntime owner.


## Declared capabilities

### Lib Progressive Delivery

Capability ID: `package.lssm.tech.lib.progressive.delivery`

Progressive-delivery contracts and runtime controls for safe staged rollouts.

Use cases:

- Adopt progressive-delivery contracts and runtime controls for safe staged rollouts

Constraints:

```json
{
  "platforms": [
    "server"
  ],
  "runtimes": [
    "node"
  ],
  "avoidWhen": [
    "The @lssm-tech/lib.progressive-delivery package constraints do not match the target runtime or platform."
  ],
  "requires": [
    "TypeScript"
  ]
}
```

Other capability declarations:

```json
{
  "status": "active",
  "aliases": [
    "lib",
    "progressive",
    "delivery"
  ],
  "pythonEquivalents": [],
  "alternatives": [],
  "relationships": [],
  "resolutionPriority": 50
}
```

Capability imports:

```json
[
  {
    "from": "@lssm-tech/lib.progressive-delivery",
    "symbols": []
  }
]
```

## Catalogue metadata

```json
{
  "family": "sharedLibs",
  "kind": "library",
  "status": "active",
  "adoptionMode": "adoptable",
  "stability": "stable",
  "platforms": [
    "server"
  ],
  "runtimes": [
    "node"
  ],
  "entrypoints": [
    ".",
    "./pwa/constants",
    "./pwa/contracts",
    "./pwa",
    "./pwa/pwa.feature",
    "./pwa/capabilities",
    "./pwa/capabilities/pwaUpdateManagement.capability",
    "./pwa/events",
    "./pwa/events/pwaUpdateApplied.event",
    "./pwa/events/pwaUpdateDeferred.event",
    "./pwa/events/pwaUpdatePrompted.event",
    "./pwa/queries",
    "./pwa/queries/pwaUpdateCheck.query"
  ],
  "examples": [],
  "replacements": []
}
```

## Canonical imports

Import paths and symbols below are catalogue declarations. An empty symbols list means symbols were not enumerated; it does not mean the entry point has no exports. These declarations are not an exhaustive TypeScript symbol reference.

```json
[
  {
    "capabilityId": "package.lssm.tech.lib.progressive.delivery",
    "from": "@lssm-tech/lib.progressive-delivery",
    "symbols": []
  }
]
```

## Declared export entry points

Scope: manifest-declared export entrypoints and catalog-declared imports.

Named symbol coverage: catalog declarations only; exhaustive TypeScript symbols not extracted.

Installation status: not verified.

- `@lssm-tech/lib.progressive-delivery` — subpath `.`
  - `unconditional`: `./src/index.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/index.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/constants` — subpath `./pwa/constants`
  - `unconditional`: `./src/pwa/constants.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/constants.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/contracts` — subpath `./pwa/contracts`
  - `unconditional`: `./src/pwa/contracts.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/contracts.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa` — subpath `./pwa`
  - `unconditional`: `./src/pwa/index.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/index.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/pwa.feature` — subpath `./pwa/pwa.feature`
  - `unconditional`: `./src/pwa/pwa.feature.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/pwa.feature.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/capabilities` — subpath `./pwa/capabilities`
  - `unconditional`: `./src/pwa/capabilities/index.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/capabilities/index.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/capabilities/pwaUpdateManagement.capability` — subpath `./pwa/capabilities/pwaUpdateManagement.capability`
  - `unconditional`: `./src/pwa/capabilities/pwaUpdateManagement.capability.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/capabilities/pwaUpdateManagement.capability.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/events` — subpath `./pwa/events`
  - `unconditional`: `./src/pwa/events/index.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/events/index.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/events/pwaUpdateApplied.event` — subpath `./pwa/events/pwaUpdateApplied.event`
  - `unconditional`: `./src/pwa/events/pwaUpdateApplied.event.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/events/pwaUpdateApplied.event.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/events/pwaUpdateDeferred.event` — subpath `./pwa/events/pwaUpdateDeferred.event`
  - `unconditional`: `./src/pwa/events/pwaUpdateDeferred.event.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/events/pwaUpdateDeferred.event.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/events/pwaUpdatePrompted.event` — subpath `./pwa/events/pwaUpdatePrompted.event`
  - `unconditional`: `./src/pwa/events/pwaUpdatePrompted.event.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/events/pwaUpdatePrompted.event.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/queries` — subpath `./pwa/queries`
  - `unconditional`: `./src/pwa/queries/index.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/queries/index.ts); verified source file.

- `@lssm-tech/lib.progressive-delivery/pwa/queries/pwaUpdateCheck.query` — subpath `./pwa/queries/pwaUpdateCheck.query`
  - `unconditional`: `./src/pwa/queries/pwaUpdateCheck.query.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/platform/governance/progressive-delivery/src/pwa/queries/pwaUpdateCheck.query.ts); verified source file.

## Package publication metadata

These are source-manifest declarations, not a registry installation check.

```json
{
  "types": "./dist/index.d.ts",
  "files": [
    "dist",
    "README.md"
  ],
  "publishExports": {
    ".": {
      "types": "./dist/index.d.ts",
      "browser": "./dist/browser/index.js",
      "bun": "./dist/index.js",
      "node": "./dist/node/index.js",
      "default": "./dist/index.js"
    },
    "./pwa/constants": {
      "types": "./dist/pwa/constants.d.ts",
      "browser": "./dist/browser/pwa/constants.js",
      "bun": "./dist/pwa/constants.js",
      "node": "./dist/node/pwa/constants.js",
      "default": "./dist/pwa/constants.js"
    },
    "./pwa/contracts": {
      "types": "./dist/pwa/contracts.d.ts",
      "browser": "./dist/browser/pwa/contracts.js",
      "bun": "./dist/pwa/contracts.js",
      "node": "./dist/node/pwa/contracts.js",
      "default": "./dist/pwa/contracts.js"
    },
    "./pwa": {
      "types": "./dist/pwa/index.d.ts",
      "browser": "./dist/browser/pwa/index.js",
      "bun": "./dist/pwa/index.js",
      "node": "./dist/node/pwa/index.js",
      "default": "./dist/pwa/index.js"
    },
    "./pwa/pwa.feature": {
      "types": "./dist/pwa/pwa.feature.d.ts",
      "browser": "./dist/browser/pwa/pwa.feature.js",
      "bun": "./dist/pwa/pwa.feature.js",
      "node": "./dist/node/pwa/pwa.feature.js",
      "default": "./dist/pwa/pwa.feature.js"
    },
    "./pwa/capabilities": {
      "types": "./dist/pwa/capabilities/index.d.ts",
      "browser": "./dist/browser/pwa/capabilities/index.js",
      "bun": "./dist/pwa/capabilities/index.js",
      "node": "./dist/node/pwa/capabilities/index.js",
      "default": "./dist/pwa/capabilities/index.js"
    },
    "./pwa/capabilities/pwaUpdateManagement.capability": {
      "types": "./dist/pwa/capabilities/pwaUpdateManagement.capability.d.ts",
      "browser": "./dist/browser/pwa/capabilities/pwaUpdateManagement.capability.js",
      "bun": "./dist/pwa/capabilities/pwaUpdateManagement.capability.js",
      "node": "./dist/node/pwa/capabilities/pwaUpdateManagement.capability.js",
      "default": "./dist/pwa/capabilities/pwaUpdateManagement.capability.js"
    },
    "./pwa/events": {
      "types": "./dist/pwa/events/index.d.ts",
      "browser": "./dist/browser/pwa/events/index.js",
      "bun": "./dist/pwa/events/index.js",
      "node": "./dist/node/pwa/events/index.js",
      "default": "./dist/pwa/events/index.js"
    },
    "./pwa/events/pwaUpdateApplied.event": {
      "types": "./dist/pwa/events/pwaUpdateApplied.event.d.ts",
      "browser": "./dist/browser/pwa/events/pwaUpdateApplied.event.js",
      "bun": "./dist/pwa/events/pwaUpdateApplied.event.js",
      "node": "./dist/node/pwa/events/pwaUpdateApplied.event.js",
      "default": "./dist/pwa/events/pwaUpdateApplied.event.js"
    },
    "./pwa/events/pwaUpdateDeferred.event": {
      "types": "./dist/pwa/events/pwaUpdateDeferred.event.d.ts",
      "browser": "./dist/browser/pwa/events/pwaUpdateDeferred.event.js",
      "bun": "./dist/pwa/events/pwaUpdateDeferred.event.js",
      "node": "./dist/node/pwa/events/pwaUpdateDeferred.event.js",
      "default": "./dist/pwa/events/pwaUpdateDeferred.event.js"
    },
    "./pwa/events/pwaUpdatePrompted.event": {
      "types": "./dist/pwa/events/pwaUpdatePrompted.event.d.ts",
      "browser": "./dist/browser/pwa/events/pwaUpdatePrompted.event.js",
      "bun": "./dist/pwa/events/pwaUpdatePrompted.event.js",
      "node": "./dist/node/pwa/events/pwaUpdatePrompted.event.js",
      "default": "./dist/pwa/events/pwaUpdatePrompted.event.js"
    },
    "./pwa/queries": {
      "types": "./dist/pwa/queries/index.d.ts",
      "browser": "./dist/browser/pwa/queries/index.js",
      "bun": "./dist/pwa/queries/index.js",
      "node": "./dist/node/pwa/queries/index.js",
      "default": "./dist/pwa/queries/index.js"
    },
    "./pwa/queries/pwaUpdateCheck.query": {
      "types": "./dist/pwa/queries/pwaUpdateCheck.query.d.ts",
      "browser": "./dist/browser/pwa/queries/pwaUpdateCheck.query.js",
      "bun": "./dist/pwa/queries/pwaUpdateCheck.query.js",
      "node": "./dist/node/pwa/queries/pwaUpdateCheck.query.js",
      "default": "./dist/pwa/queries/pwaUpdateCheck.query.js"
    }
  }
}
```

## Dependencies

Metadata status: complete pinned manifest.

### Runtime dependencies

- [@lssm-tech/lib.contracts-runtime-kernel](https://lssm.co/docs/packages/lib.contracts-runtime-kernel/): `workspace:^`
- [@lssm-tech/lib.contracts-spec-core](https://lssm.co/docs/packages/lib.contracts-spec-core/): `workspace:^`
- [@lssm-tech/lib.schema](https://lssm.co/docs/packages/lib.schema/): `workspace:^`
- [@lssm-tech/lib.surface-runtime](https://lssm.co/docs/packages/lib.surface-runtime/): `workspace:^`

### Peer dependencies

- [@lssm-tech/lib.observability](https://lssm.co/docs/packages/lib.observability/): `workspace:^`

### Optional dependencies

No declarations in the inspected manifest.

### Development dependencies

- [@lssm-tech/tool.bun](https://lssm.co/docs/packages/tool.bun/): `workspace:*`
- [@lssm-tech/tool.typescript](https://lssm.co/docs/packages/tool.typescript/): `workspace:*`
- `typescript`: `catalog:`

### Peer dependency metadata

```json
{}
```

### Bundled dependencies

```json
null
```

## Package scripts

Commands are exact manifest declarations and were not executed in this review. Script metadata status: complete pinned manifest.

```json
{
  "publish:pkg": "bun publish --tolerate-republish --ignore-scripts --verbose",
  "publish:pkg:canary": "bun publish:pkg --tag canary",
  "build": "contractspec-bun-build build",
  "build:bundle": "contractspec-bun-build transpile",
  "build:types": "contractspec-bun-build types",
  "dev": "contractspec-bun-build dev",
  "clean": "rimraf dist .turbo",
  "lint": "bun lint:fix",
  "lint:fix": "node ../../../../scripts/biome.cjs check --write --unsafe --only=nursery/useSortedClasses . && node ../../../../scripts/biome.cjs check --write .",
  "lint:check": "node ../../../../scripts/biome.cjs check .",
  "prebuild": "contractspec-bun-build prebuild",
  "test": "bun test",
  "typecheck": "tsgo --noEmit"
}
```

## Declared documentation links

- [Lib Progressive Delivery documentation](https://www.npmjs.com/package/%40lssm-tech%2Flib.progressive-delivery) — declared link; destination not verified.

```json
{
  "url": "https://www.npmjs.com/package/%40lssm-tech%2Flib.progressive-delivery",
  "kind": "readme"
}
```

## Existing agent-guide projection

```json
{
  "path": "packages/apps/web-landing/public/llms-packages/lib.progressive-delivery.txt",
  "route": "/llms/lib.progressive-delivery",
  "sourceUrl": "https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/apps/web-landing/public/llms-packages/lib.progressive-delivery.txt",
  "blobSha": "e7962af10681a3e53a08ac339701f7a8d6b478cd",
  "sourcePin": "bcc79fcc27c4d801c2119bef81ddcce7b4e86498",
  "bodyEqualsReadme": true,
  "aggregateSourcePath": "packages/apps/web-landing/public/llms-full.txt",
  "aggregateBlobSha": "691b1d33efee24c440598b9106c81432f56aafaf"
}
```