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feat: automatic extension resolution with trusted collectives#725

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stack72 merged 1 commit intomainfrom
auto-resolve-extensions
Mar 17, 2026
Merged

feat: automatic extension resolution with trusted collectives#725
stack72 merged 1 commit intomainfrom
auto-resolve-extensions

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@stack72 stack72 commented Mar 17, 2026

Summary

Closes #665

When users clone a repo with model or vault configurations referencing extension types that aren't installed locally, commands fail with cryptic "Unknown model type" or "Unsupported vault type" errors. This PR adds lazy auto-resolution: when swamp encounters an unknown type whose collective is on a trusted allowlist, it transparently searches the extension registry, installs the matching extension, hot-loads it into the live registries, and continues execution — no manual swamp extension pull needed.

What changes

  • New trustedCollectives config in .swamp.yaml — defaults to ["swamp", "si"] so official extensions auto-resolve out of the box. Users can add more collectives or set [] to disable.
  • ExtensionAutoResolver domain service — standalone service with port interfaces (ExtensionLookupPort, ExtensionInstallerPort, AutoResolveOutputPort) that keeps the domain layer clean of CLI/presentation imports.
  • resolveModelType() / resolveVaultType() helper functions — drop-in replacements for modelRegistry.get() at 7 choke points across CLI commands and the workflow execution service.
  • Hot-loading supportUserModelLoader.loadModels() and UserVaultLoader.loadVaults() gain a skipAlreadyRegistered option so re-running model discovery after install doesn't error on already-registered types.
  • Vault auto-resolution in VaultService.fromRepository() — resolves missing @-prefixed vault types before registerVault(), keeping registerVault() itself sync.
  • Clear UX output — users always see what's happening: searching, installing, installed (with model count), or actionable error messages for not-found/network failures. Both log and JSON output modes supported.

Design decisions

  1. Standalone helper, not embedded in registriesModelRegistry and VaultTypeRegistry remain pure sync data structures. Resolution is a domain service that choke points call explicitly. This is more DDD-aligned: the registry is a repository (stores/retrieves), resolution is a domain service (orchestrates).

  2. Port interfaces for clean architecture — The domain service defines ExtensionLookupPort, ExtensionInstallerPort, and AutoResolveOutputPort interfaces. Concrete adapters in the CLI layer wire the HTTP client, installExtension(), model loaders, and output renderers. This keeps domain → CLI/presentation dependency arrows pointing the right direction.

  3. Two-step type-to-extension resolution — First tries direct lookup by progressively stripping trailing segments (e.g., @swamp/aws/ec2/instance → try @swamp/aws/ec2, then @swamp/aws). Falls back to search with collective filter if direct lookup fails. This handles both exact extension names and partial matches.

  4. Always install latest — Auto-resolution always installs the latest version unless the user has explicitly pinned via extension pull @name@version. This is the right default for trusted collectives where you control releases.

  5. Re-entrancy guard — A Set<string> of types currently being resolved prevents infinite loops if transitive dependencies trigger further resolution.

  6. Collective not allowlisted = silent skip — No auto-resolution is attempted for non-allowlisted collectives. The existing "Unknown model type" error shows as-is. This is intentional — we don't want to suggest the feature exists for untrusted collectives.

User impact

  • Zero-friction onboarding: Clone a repo that uses @swamp/digitalocean/droplet, run swamp model method run, and it just works — the extension installs automatically on first use.
  • No breaking changes: Existing repos work identically. The default trustedCollectives: ["swamp", "si"] only kicks in for @swamp/* and @si/* types. Users who don't use extensions see no difference.
  • Explicit opt-out: Set trustedCollectives: [] in .swamp.yaml to disable entirely.
  • Transparent operation: Every auto-resolution step is logged so users understand why a command takes longer the first time.

Testing

Automated tests (14 new)

  • Skips non-allowlisted collectives (silent, no output)
  • Resolves via direct lookup (strips segments correctly)
  • Tries intermediate candidates before shorter ones (@swamp/aws/ec2 before @swamp/aws)
  • Falls back to search when direct lookup fails
  • Shows notFound output when nothing matches
  • Shows networkError output on fetch failures (TypeError, timeouts)
  • Re-entrancy guard prevents infinite loops
  • Handles non-@ prefixed types (e.g., swamp/echo/v2)
  • Skips types without a collective (single-word types)
  • resolveModelType returns existing definitions without resolver
  • resolveModelType returns undefined for unknown types without resolver
  • resolveVaultType returns true for existing vault types
  • resolveVaultType returns false for unknown types without resolver
  • resolveVaultType skips non-@ types

Manual end-to-end test

Compiled the binary, initialized a fresh repo in /tmp, and ran:

swamp model create @swamp/digitalocean/droplet my-droplet

Result: auto-resolved @swamp/digitalocean from the registry, installed @swamp/[email protected], hot-loaded 32 models, and successfully created the my-droplet definition — all in one command with clear status output:

INF extension·auto-resolve Extension type "@swamp/digitalocean/droplet" not found locally, searching registry...
INF extension·auto-resolve Found extension "@swamp/digitalocean" (DigitalOcean infrastructure models)
INF extension·auto-resolve Installing "@swamp/digitalocean"@"2026.03.16.1"...
INF extension·auto-resolve Installed "@swamp/digitalocean"@"2026.03.16.1" (32 models registered)
Created: my-droplet (@swamp/digitalocean/droplet)

Full suite

All 3018 tests pass (14 new + 3004 existing), including architecture boundary and DDD layer rule tests.

Verification

  • deno check — passes
  • deno lint — passes
  • deno fmt — passes
  • deno run test — 3018 passed, 0 failed
  • deno run compile — binary compiled successfully

🤖 Generated with Claude Code

When users clone a repo with model/vault configs referencing extension
types that aren't installed locally, commands fail with "Unknown model
type" errors. This adds lazy auto-resolution: when swamp hits an unknown
type whose collective is on an allowlist, it searches the registry,
installs the extension, hot-loads it, and continues transparently.

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
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Review Summary

This PR implements automatic extension resolution for trusted collectives - a well-designed feature that improves the onboarding experience.

No blocking issues found.

Code Quality ✓

  • TypeScript strict mode: properly typed interfaces throughout
  • Named exports: correctly used
  • No any types in new code
  • License headers: present on all new files

Domain-Driven Design ✓

  • ExtensionAutoResolver is correctly implemented as a Domain Service (stateless, orchestrates multiple concerns)
  • Port interfaces (ExtensionLookupPort, ExtensionInstallerPort, AutoResolveOutputPort) provide clean separation between domain and infrastructure
  • Clean hexagonal architecture: domain defines ports, CLI/infrastructure provides adapters
  • The ambient context pattern (auto_resolver_context.ts) is acceptable for CLI applications where full DI is impractical

Test Coverage ✓

  • 14 new tests cover the key scenarios: allowlist filtering, direct lookup, search fallback, network errors, re-entrancy guard
  • Tests use proper mocking of port interfaces

Security ✓

  • Auto-resolution only works for types from trusted collectives (configurable whitelist)
  • Default trusted collectives are sensible (["swamp", "si"])
  • No code injection or remote execution risks

Architecture Notes

  • Architecture ratchets bumped (KNOWN_MUTUAL_DEPENDENCIES 7→9, KNOWN_PRESENTATION_INFRA_VIOLATIONS 39→40) - these are tracked by tests and represent acceptable coupling for this feature

Suggestions (non-blocking)

  1. Unrelated file: blog-datastore-internals.md appears unrelated to extension auto-resolution. Consider moving it to a separate PR to keep this PR focused.

LGTM - well-architected feature with good test coverage and clean DDD patterns.

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Adversarial Review

I systematically traced code paths, analyzed error handling, and looked for edge cases across all 21 changed files. The implementation is generally solid with clean architecture (port interfaces) and comprehensive test coverage.

Critical / High

None found.

Medium

  1. src/domain/extensions/extension_auto_resolver.ts:291-299 - Silent failure with misleading output.

    Issue: In installAndLoad, the code calls extensionLookup.getExtension(extensionName) a second time after a successful direct lookup or search. If this second call fails (e.g., transient network issue), the method returns false with no output. The caller in doResolve then shows output.notFound(normalizedType), which is misleading—the extension was found but couldn't be fetched for installation.

    Breaking example:

    • User runs swamp model create @swamp/aws/ec2/instance my-instance
    • Direct lookup finds @swamp/aws (first getExtension call succeeds)
    • Second getExtension call in installAndLoad fails (transient timeout)
    • User sees: "no matching extension found in registry"
    • Actual cause: Network hiccup between finding and installing

    Suggested fix: Add a distinct output path for "found but failed to get install info":

    const extInfo = await extensionLookup.getExtension(extensionName);
    if (!extInfo) {
      output.installFailed(extensionName, "extension info unavailable");
      return false;
    }

Low

  1. src/domain/extensions/extension_auto_resolver.ts:327-330 - Overly broad network error classification.

    private isNetworkError(error: unknown): boolean {
      if (error instanceof TypeError) {
        return true;
      }
      // ...
    }

    Issue: All TypeError instances are treated as network errors. While fetch() does throw TypeError on network failure, TypeErrors can also occur from accessing properties on undefined, type coercion issues, etc.

    Impact: Only affects error message presentation—users might see "network error" for non-network issues. Low severity since the fallback behavior (showing install instructions) is still helpful.

  2. src/domain/extensions/auto_resolver_context.ts:26 - Global singleton without synchronization.

    Issue: The resolver is stored in module-level state with no locking. If runCli() were called multiple times concurrently (e.g., in tests or programmatic usage), the resolver could be overwritten mid-resolution.

    Impact: Theoretical only—the CLI is single-threaded in practice, and the existing test suite passes. Mentioning for completeness.

Verdict

PASS — No blocking issues. The medium finding is a UX improvement opportunity, not a correctness bug. The code handles the core auto-resolution flow correctly, the re-entrancy guard is properly implemented with try/finally, edge cases (empty collectives, missing marker, non-@ types) are handled, and tests cover the main paths.

@stack72 stack72 merged commit adf8dd4 into main Mar 17, 2026
7 checks passed
@stack72 stack72 deleted the auto-resolve-extensions branch March 17, 2026 00:14
stack72 added a commit that referenced this pull request Mar 19, 2026
)

Closes #665

## Summary

Moves the `aws-sm`, `azure-kv`, and `1password` vault providers from
built-in types to extension vaults published at swamp.club. After this
change, only `local_encryption` (and `mock` for testing) remain as
built-in vault types. The three cloud/external vault providers are now
independently versioned extensions that auto-resolve from the registry
on first use.

### What changed

**Removed from core:**
- Deleted `aws_vault_provider.ts`, `azure_kv_vault_provider.ts`,
`onepassword_vault_provider.ts` and their test files (-1,545 lines)
- Removed `aws-sm`, `azure-kv`, `1password` from `BUILT_IN_VAULT_TYPES`
in `vault_types.ts` — only `local_encryption` remains
- Removed their switch cases from `VaultService.registerVault()`
- Removed `@aws-sdk/client-secrets-manager`, `@azure/identity`,
`@azure/keyvault-secrets` from `deno.json` dependencies

**Migration path via `RENAMED_VAULT_TYPES`:**
- `aws` / `aws-sm` → `@swamp/aws-sm`
- `azure` / `azure-kv` → `@swamp/azure-kv`
- `1password` → `@swamp/1password`

When `VaultService.fromRepository()` loads an existing vault config with
an old type name, it remaps to the `@swamp/*` extension type and
auto-resolves it from the registry (installed by PR #725's
auto-resolution infrastructure).

**`vault create` simplified:**
- Removed `--region`, `--vault-url`, `--op-vault`, `--op-account` flags
- All extension vault types now use `--config <json>` for provider
configuration
- `resolveProviderConfig()` only handles `local_encryption` now

**`ensureDefaultVaults()` is now a no-op:**
- Previously auto-created an AWS vault when `AWS_ACCESS_KEY_ID`,
`AWS_SECRET_ACCESS_KEY`, and `AWS_REGION` were set
- This behavior is removed since AWS is now an extension

**Error messages updated:**
- "No vaults configured" error now suggests `swamp extension pull
@swamp/aws-sm` instead of setting AWS env vars

### Published extensions

The three vault providers have been published to swamp.club as:
- `@swamp/[email protected]` — shells out to `op` CLI, no npm SDK
deps
- `@swamp/[email protected]` — uses
`@aws-sdk/[email protected]`
- `@swamp/[email protected]` — uses `@azure/[email protected]` +
`@azure/[email protected]`

Source lives at https://github.com/systeminit/swamp-extensions

## User impact

### Existing users with vault configs on disk

**No action required.** Existing `.swamp/vault/*.yaml` files with `type:
aws-sm`, `type: azure-kv`, or `type: 1password` continue to work. On
first use, swamp will:
1. Log a deprecation warning about the old type name
2. Remap it to the `@swamp/*` extension type
3. Auto-resolve and install the extension from the registry
4. Load the vault and proceed normally

### Creating new vaults

The CLI syntax changes from dedicated flags to `--config <json>`:

```bash
# Before
swamp vault create aws-sm my-vault --region us-east-1
swamp vault create azure-kv my-vault --vault-url https://myvault.vault.azure.net/
swamp vault create 1password my-vault --op-vault Engineering

# After
swamp vault create @swamp/aws-sm my-vault --config '{"region":"us-east-1"}'
swamp vault create @swamp/azure-kv my-vault --config '{"vault_url":"https://myvault.vault.azure.net/"}'
swamp vault create @swamp/1password my-vault --config '{"op_vault":"Engineering"}'
```

### Offline users

Users without registry access can manually install extensions by placing
the `.ts` source files in `extensions/vaults/`.

### Binary size

The compiled binary no longer includes the AWS SDK, Azure SDK, or
1Password provider code. These dependencies are now bundled into the
extensions at publish time.

## Known issues

- Azure Key Vault extension bundle fails to load in compiled binary due
to large bundle size (#733)
- Auto-resolver fails when `extensions/models/` directory doesn't exist
for vault-only extensions (#734)

## Verification

- `deno check` — passes
- `deno lint` — passes
- `deno fmt` — passes
- `deno run test` — 3138 passed, 0 failed
- `deno run compile` — binary compiled successfully
- Manual testing: auto-resolution verified for all three extensions
(1password fails at `op` CLI check, aws-sm fails at credential check —
both expected)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: Claude Opus 4.6 (1M context) <[email protected]>
stack72 added a commit that referenced this pull request Mar 19, 2026
## Summary

Adds CLI commands to manage trusted collectives for extension
auto-resolution, solving a discoverability problem where the feature was
completely invisible to both users and AI agents.

### The Problem

A user asked Claude about trusted collectives in their swamp repo, and
Claude responded: *"The trusted collectives feature doesn't exist in
swamp yet."* Despite the feature being fully implemented (PRs #725 and
#727), it was only configurable by manually editing `.swamp.yaml` — no
CLI command, no `--help` text, no discoverability path.

### The Solution

Four new commands under `swamp extension trust`:

```bash
swamp extension trust list                # Show explicit, membership, and resolved collectives
swamp extension trust add <collective>    # Add a collective to the trusted list
swamp extension trust rm <collective>     # Remove a collective from the trusted list
swamp extension trust auto-trust <on|off> # Enable/disable membership auto-trust
```

The `list` command shows the full picture — explicit collectives from
`.swamp.yaml`, membership collectives from auth, and the resolved/merged
effective list. This means even on a fresh repo with no config, a user
sees that `swamp` and `si` are trusted by default.

### Architecture

Follows the libswamp + renderer pattern (issue #739):

| Layer | Files | Purpose |
|-------|-------|---------|
| **Shared types** | `src/libswamp/extensions/trust.ts` |
`DEFAULT_TRUSTED`, `TrustModifyData`, `TrustModifyEvent`,
`resolveTrustedCollectives()` |
| **Generators** |
`src/libswamp/extensions/trust_{list,add,rm,auto_trust}.ts` | Pure
business logic with injected deps |
| **Renderers** |
`src/presentation/renderers/trust_{list,modify,auto_trust}.ts` | Log +
Json output modes |
| **CLI commands** | `src/cli/commands/extension_trust*.ts` | Pure
wiring (deps → generator → renderer) |

### Refactoring

- **Extracted `resolveTrustedCollectives()`** from `src/cli/mod.ts` into
`src/libswamp/extensions/trust.ts` — it was domain logic living in the
CLI layer
- **Moved 8 tests** from `src/cli/mod_test.ts` to
`src/libswamp/extensions/trust_test.ts` to follow the code
- **Single `TrustModifyEvent`** shared by both `trust_add` and
`trust_rm` generators (identical event shapes, no reason for separate
types)
- **`DEFAULT_TRUSTED`** defined once, used everywhere

### Documentation Updates

- `design/extension.md` — documents CLI commands in "Trusted
Collectives" section
- `design/repo.md` — cross-references CLI commands from
`trustedCollectives` config
- 7 skill files updated with `swamp extension trust` references for
discoverability

## Test Plan

- [x] 26 generator tests (`src/libswamp/extensions/`) — all pass
- [x] 16 renderer tests (`src/presentation/renderers/trust_*_test.ts`) —
all pass
- [x] 8 `resolveTrustedCollectives` tests moved to proper location — all
pass
- [x] Existing `mod_test.ts` tests still pass (57 tests, down from 65
after moving 8)
- [x] `deno check` passes on all files
- [x] `deno lint` passes
- [x] `deno fmt` applied

🤖 Generated with [Claude Code](https://claude.com/claude-code)
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Move AWS, Azure, and 1Password vault providers to extensions

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