# @lssm-tech/integration.lssm-os-provider-resend

Runtime Node provider lifecycle adapter for Resend.

## Source and release context

- Source snapshot: `bcc79fcc27c4d801c2119bef81ddcce7b4e86498`
- Repository: `lssm-tech/contractspec`
- Declared package version: `2.0.4`
- Package path: `packages/integrations/lssm-os-provider-resend`
- Manifest path: `packages/integrations/lssm-os-provider-resend/package.json`
- Manifest Git blob: `d1ccbb7a116f12471cbc3413187394864d0fcf2d`
- Manifest origin: pinned GitHub manifest fetch
- Manual: [@lssm-tech/integration.lssm-os-provider-resend](https://lssm.co/docs/packages/integration.lssm-os-provider-resend/)
- 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/integrations/lssm-os-provider-resend)
- [Manifest source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/integrations/lssm-os-provider-resend/package.json)
- [Readme source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/integrations/lssm-os-provider-resend/README.md)
- [Guide source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/apps/web-landing/public/llms-packages/integration.lssm-os-provider-resend.txt)

## Package metadata

```json
{
  "layer": "integrations",
  "physicalArea": null,
  "primaryArea": "delivery-and-infrastructure",
  "classification": {
    "privateDeclared": null,
    "catalogFamily": "integrations",
    "catalogKind": "integration",
    "catalogStatus": "active",
    "adoptionMode": "adoptable",
    "stability": "experimental"
  },
  "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/integrations/lssm-os-provider-resend/README.md",
  "sourceUrl": "https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/integrations/lssm-os-provider-resend/README.md",
  "blobSha": "a01c75443efa819dbcf102855864c40f6b7db76d",
  "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 OS Resend provider

Native `ProviderLifecyclePortV1` adapter for governed Resend delivery. The
adapter accepts only opaque message, recipient, sender-profile, template, and
encrypted-content references. Credential resolution and email content stay
behind the injected driver and never enter work orders, receipts, logs, or
errors.

Every send is durably reserved and marked attempted before provider I/O. A
timeout or unknown response remains indeterminate; retry must reconcile the
same provider idempotency key. Success is returned only after a create-once V2
receipt is persisted, read back, and verified. Read actions use the driver's
non-mutating observation path. Rollback and decommission are explicit rejected
receipts because delivered email cannot be recalled.

This package is an offline adapter and conformance surface. It is not a live
Resend qualification claim until exact-version provider evidence is recorded.


## Declared capabilities

### Governed Resend delivery provider

Capability ID: `lssm-os.provider.resend`

Execute Resend email delivery through the Runtime Node provider lifecycle with durable idempotency, indeterminate-outcome reconciliation, and verified receipts.

Use cases:

- Send governed email from opaque recipient, template, sender-profile, and content references
- Reconcile unknown delivery outcomes before a retry can repeat an external effect

Constraints:

```json
{
  "platforms": [
    "server"
  ],
  "runtimes": [
    "bun",
    "node"
  ],
  "avoidWhen": [
    "Provider credentials or message bodies must appear in work orders, receipts, logs, or errors.",
    "The integration requires recall or rollback of an email after Resend accepts delivery."
  ],
  "requires": [
    "Resend driver",
    "durable provider state",
    "LSSM OS Runtime Node"
  ]
}
```

Other capability declarations:

```json
{
  "status": "active",
  "aliases": [
    "Resend",
    "email provider",
    "Runtime Node provider"
  ],
  "pythonEquivalents": [
    "Resend Python SDK adapter"
  ],
  "alternatives": [],
  "relationships": [],
  "resolutionPriority": 70
}
```

Capability imports:

```json
[
  {
    "from": "@lssm-tech/integration.lssm-os-provider-resend/runtime-node",
    "symbols": []
  }
]
```

## Catalogue metadata

```json
{
  "family": "integrations",
  "kind": "integration",
  "status": "active",
  "adoptionMode": "adoptable",
  "stability": "experimental",
  "platforms": [
    "server"
  ],
  "runtimes": [
    "bun",
    "node"
  ],
  "entrypoints": [
    ".",
    "./runtime-node"
  ],
  "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": "lssm-os.provider.resend",
    "from": "@lssm-tech/integration.lssm-os-provider-resend/runtime-node",
    "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/integration.lssm-os-provider-resend` — subpath `.`
  - `unconditional`: `./src/index.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/integrations/lssm-os-provider-resend/src/index.ts); verified source file.

- `@lssm-tech/integration.lssm-os-provider-resend/command-keys` — subpath `./command-keys`
  - `unconditional`: `./src/command-keys.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/integrations/lssm-os-provider-resend/src/command-keys.ts); verified source file.

- `@lssm-tech/integration.lssm-os-provider-resend/dependency` — subpath `./dependency`
  - `unconditional`: `./src/dependency.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/integrations/lssm-os-provider-resend/src/dependency.ts); verified source file.

- `@lssm-tech/integration.lssm-os-provider-resend/receipt` — subpath `./receipt`
  - `unconditional`: `./src/receipt.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/integrations/lssm-os-provider-resend/src/receipt.ts); verified source file.

- `@lssm-tech/integration.lssm-os-provider-resend/runtime-node` — subpath `./runtime-node`
  - `unconditional`: `./src/runtime-node.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/integrations/lssm-os-provider-resend/src/runtime-node.ts); verified source file.

- `@lssm-tech/integration.lssm-os-provider-resend/types` — subpath `./types`
  - `unconditional`: `./src/types.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/integrations/lssm-os-provider-resend/src/types.ts); verified source file.

- `@lssm-tech/integration.lssm-os-provider-resend/validation` — subpath `./validation`
  - `unconditional`: `./src/validation.ts` — [pinned source](https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/integrations/lssm-os-provider-resend/src/validation.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",
    "!dist/**/*test*",
    "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"
    },
    "./command-keys": {
      "types": "./dist/command-keys.d.ts",
      "browser": "./dist/browser/command-keys.js",
      "bun": "./dist/command-keys.js",
      "node": "./dist/node/command-keys.js",
      "default": "./dist/command-keys.js"
    },
    "./dependency": {
      "types": "./dist/dependency.d.ts",
      "browser": "./dist/browser/dependency.js",
      "bun": "./dist/dependency.js",
      "node": "./dist/node/dependency.js",
      "default": "./dist/dependency.js"
    },
    "./receipt": {
      "types": "./dist/receipt.d.ts",
      "browser": "./dist/browser/receipt.js",
      "bun": "./dist/receipt.js",
      "node": "./dist/node/receipt.js",
      "default": "./dist/receipt.js"
    },
    "./runtime-node": {
      "types": "./dist/runtime-node.d.ts",
      "browser": "./dist/browser/runtime-node.js",
      "bun": "./dist/runtime-node.js",
      "node": "./dist/node/runtime-node.js",
      "default": "./dist/runtime-node.js"
    },
    "./types": {
      "types": "./dist/types.d.ts",
      "browser": "./dist/browser/types.js",
      "bun": "./dist/types.js",
      "node": "./dist/node/types.js",
      "default": "./dist/types.js"
    },
    "./validation": {
      "types": "./dist/validation.d.ts",
      "browser": "./dist/browser/validation.js",
      "bun": "./dist/validation.js",
      "node": "./dist/node/validation.js",
      "default": "./dist/validation.js"
    }
  }
}
```

## Dependencies

Metadata status: complete pinned manifest.

### Runtime dependencies

- [@lssm-tech/lib.lssm-os-runtime](https://lssm.co/docs/packages/lib.lssm-os-runtime/): `^2.1.1`
- [@lssm-tech/lib.orchestration-spec](https://lssm.co/docs/packages/lib.orchestration-spec/): `workspace:^`

### Peer dependencies

No declarations in the inspected manifest.

### 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:*`
- `@types/bun`: `catalog:types`
- `typescript`: `^7.0.2`

### 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
{
  "build": "contractspec-bun-build build",
  "build:bundle": "contractspec-bun-build transpile",
  "build:types": "contractspec-bun-build types",
  "lint:check": "node ../../../scripts/biome.cjs check .",
  "pack:verify": "bun run build && bun scripts/verify-pack.ts",
  "test": "bun test",
  "typecheck": "tsgo --noEmit"
}
```

## Declared documentation links

- [LSSM OS Resend provider](https://www.npmjs.com/package/%40lssm-tech%2Fintegration.lssm-os-provider-resend) — declared link; destination not verified.

```json
{
  "url": "https://www.npmjs.com/package/%40lssm-tech%2Fintegration.lssm-os-provider-resend",
  "kind": "readme"
}
```

## Existing agent-guide projection

```json
{
  "path": "packages/apps/web-landing/public/llms-packages/integration.lssm-os-provider-resend.txt",
  "route": "/llms/integration.lssm-os-provider-resend",
  "sourceUrl": "https://github.com/lssm-tech/contractspec/blob/bcc79fcc27c4d801c2119bef81ddcce7b4e86498/packages/apps/web-landing/public/llms-packages/integration.lssm-os-provider-resend.txt",
  "blobSha": "a01c75443efa819dbcf102855864c40f6b7db76d",
  "sourcePin": "bcc79fcc27c4d801c2119bef81ddcce7b4e86498",
  "bodyEqualsReadme": true,
  "aggregateSourcePath": "packages/apps/web-landing/public/llms-full.txt",
  "aggregateBlobSha": "691b1d33efee24c440598b9106c81432f56aafaf"
}
```