Lab #2439: Unsupported --server scheme crashes with an uncaught TypeError and stack trace

Problem

Passing a --server URL with a scheme other than http, https, ws, or wss (for example ftp://127.0.0.1:59999/) makes remote commands crash with a fatal log line and a full stack trace instead of a user-facing error.

normalizeServerUrl in src/domain/auth/server_url.ts throws a TypeError for unsupported protocols. toWebSocketUrl in src/cli/remote_run.ts wraps it in a UserError, but resolveServerToken reaches FileServerCredentialRepository.get first, which calls normalizeServerUrl unguarded, so the TypeError escapes.

Reproduction

swamp workflow run anything --server 'ftp://127.0.0.1:59999/'

Output: [FTL] error: TypeError: Unsupported protocol: ftp: (expected http:, https:, ws: or wss:), followed by a stack trace through normalizeServerUrl, FileServerCredentialRepository.get, resolveServerToken, resolveServerTokenFromOptions.

Expected

A clean UserError such as the existing one from toWebSocketUrl: Invalid --server URL ... expected ws://host:port (or http://), with no stack trace.

Found while triaging swamp-club#2428.

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Skill propulsion rule is silent when no transition is satisfied because stage work is outstanding

package.json mode: no loose-specifier warning for a range push ships as the exact installed version

extension fmt (and any command) creates or rewrites deno.lock when the extension lives in the repo's loaded extensions/ dir

serve shutdown does not wait for worker status writes, and its listener accepts workers after the gateway is disposed

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auth token create --json fields key and signinToken are undocumented; no token-mode service setup page

trigger.schedule is evaluated in the serve host's local time zone, with no zone field and no doc saying so

workflow validate/run say "Workflow not found" for a file that doctor workflows explains is misnamed

telemetry stats says "No telemetry data found" right after successful sends; say the spool is empty because it flushed

Docs: publish typed-secrets Phase 4.6 expression and delivery semantics

Extension registry page: a supported way to include media (images) in the README

CEL: data.latest(...).version is a double, but data.version() only accepts int, so "version - 1" fails at run time

workflow resume --run refuses workflows with the same step name in two jobs, though validate and run accept them

Update public OpenTelemetry manual for remote waterfalls and execution metrics (#3786)

Server-driven warning and info messages to CLI users, targeted by swamp version (exploration)

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issue-lifecycle start drops issue comments: context.comments is always empty

swamp core: a non-string sensitive value reads back as a JSON string

Generated vault keys carry raw data-name and vary characters that strict vault providers reject

bundleExtension 'bundles on different caches do not wait for each other' test fails under CPU load

extension install and extension pull leave different bundles for the same extension version

Registry drops contentMetadata.extensions (method grafts) at confirm-push

Multi-model skill eval: gpt-5.4 and gemini jobs fail preflight every run (OpenAI credits exhausted, Google API key invalid)

local_source_failed drops the indexing error: a transient local extension failure leaves no cause (follow-up to 1672)

Finer-grained method locking: a long-running method on one definition blocks unrelated objects managed by the same definition

Surface (or warn about) values a model method returns besides dataHandles, with sensitive-field support

workflow placement: run a workflow transparently on a specified host, local or via swamp workers (incl. nested child workflows)

issue-lifecycle: pr_merged and ship report success and advance the phase when swamp-club is unreachable, writing nothing upstream

auth login leaves auth.json apiKey empty and stores the key only in ~/.config/swamp/api-key, which the auth gate never reads

swamp-extensions CI: Review Integrity explains a stalled or failed audit (streamed progress, timeout, did-not-finish comment)

Workflow run cancellation on concurrency-key conflict

Read non-string sensitive resource fields back with their type

Run index repair-by-stat misses an in-place, same-size record rewrite that restores mtime within the same second as its entry: ctime is reported in whole seconds

Configurable storage tiers: runs, outputs, data versions and audit move through an ordered list of user-defined tiers, and stay queryable across them

A global argument that evaluates to swamp-namespace expression text is silently dropped, and literal() cannot pass it through

serve: the per-IP WebSocket burst limit can't be configured, so workers behind one NAT IP throttle each other

S3-backed serve: a poll that pulls one file invalidates the whole data catalog, so the next query re-reads every version

extensions_search index is never created if the first attempt fails, until the process restarts

S3/GCS datastore sync: shared sync service lets one sync clear another's dirty marks and pull over unpushed files

swamp-uat: the SIGTERM drain test does not check that the run succeeded

stagecraft: a factory-wide read of work items waiting on a person (no studio, no per-item status loop)

stagecraft: rebind a work item to another tracker (mirrored built-in tickets to Jira)

s3-datastore: first push on a fresh cache prints 'Index merge failed' for a missing local .datastore-index.json

swamp-extensions: use explicit npm:/jsr: specifiers in root extensions/models

stagecraft: studio state_test 'after its event stream reconnects' is timing-flaky under load