Lab: Azure Key Vault extension vault bundle fails to load in compiled binary

Description

The @swamp/azure-kv vault extension bundle fails to load when running inside the compiled swamp binary. The bundle is successfully downloaded and installed by the auto-resolver, but the UserVaultLoader fails to import it.

The Azure SDK dependencies (@azure/identity, @azure/keyvault-secrets) produce a very large bundle when inlined by deno bundle. When the compiled binary tries to import this bundle, it falls back to the base64 data URL import path (data:application/javascript;base64,...), which fails with:

The argument 'filename' must be a file URL object, file URL string, or absolute path string. Received data:application/javascript;base64,...

The @swamp/1password (no npm SDK deps) and @swamp/aws-sm (AWS SDK) extensions load successfully. The Azure bundle is significantly larger due to the combined @azure/identity + @azure/keyvault-secrets dependency tree.

Steps to reproduce

Compile swamp: deno run compile
Initialize a repo: swamp repo init (in a fresh directory)
Create extensions/models/ directory (required for install)
Create a vault config YAML with type: azure-kv
Run any vault command (e.g., swamp vault list-keys <name>)
Auto-resolution finds and installs @swamp/azure-kv successfully
The vault bundle file exists at .swamp/vault-bundles/azure_kv.js
Loading the bundle fails with the data URL error

Environment

macOS (darwin-aarch64)
Compiled binary via deno run compile

Summary

This affects the UserVaultLoader.importBundle() method in src/domain/vaults/user_vault_loader.ts. The file URL import path should work since the bundle is written to .swamp/vault-bundles/azure_kv.js, but it appears to fall through to the data URL fallback. The fix likely involves ensuring the file URL import path is used when the cached bundle file exists on disk, and investigating why it falls through to the data URL path for large bundles. The uint8ArrayToBase64 chunked encoding (added in PR #731 for large model bundles) may also need to be verified for vault bundles.

yep yep yep

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fix: collective validator error message omits drivers and datastores

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After today upgrade

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Extension Zod schema incompatibility after upgrade to 20260312

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getContent() should return parsed objects, not raw Uint8Array

Add context.readResource() to MethodContext for user extension models

Datastore lock: allow concurrent reads across different models

extension install should be an alias of extension pull

feat: Execution Driver Abstraction — Pluggable Isolation for Model Execution

Support --global-arg on model create

consider a libswamp

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Update from 20260227 to 20260311 breaks existing model definitions (symlink + path-based type)

loadUserModels ignores --repo-dir, uses cwd instead

datastore lock release --force deadlocks on the stale lock it's trying to release

Datastore lock not released when interactive command fails in non-TTY context

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Leaderboard shows 0-event users whose profiles 404

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Audit timeline misses today's entries in UTC+ timezones

AI agent discoverability: reduce trial-and-error for CLI syntax

GlobalArguments CEL expressions fail when factory inputs are omitted — selective evaluation not working

Document factory pattern for model reuse in skills

Delete method uses identifier as data name instead of instance name

CLI method run ignores required arguments without .default()

Workflow run output mixes data, errors, and logs without clear separation — hard to find what actually executed

data.latest() in workflow step inputs resolved at workflow start, not at step execution time

Update method fails when globalArguments contain cross-model CEL expressions

Track resource deletion in local data model

fix: extension npm packages fail to resolve in compiled binary

swamp repo upgrade replaces entire CLAUDE.md with generic template instead of merging

Add drift detection to reconcile stored state against live cloud resources

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Support wait-until-ready semantics for async resource provisioning

support pushing to organizations

Add data rename/move command for non-destructive refactoring

Schema mismatch warnings lack model context and misrepresent API response shapes

Support pre-flight validate method on models before method execution

Extension models need built-in support for idempotent create operations

Workflow reports succeeded when step outputs indicate failure

Swamp skills don't prevent AI agents from manually generating UUIDs for workflows