fix(git-sync): bump to hub/28234 with stateless gpg.program wrapper (WIN-1974) (#9282)

* fix(git-sync): revert LATEST_GIT_SYNC_SCRIPT_PATH to hub/28230 to restore GPG-signed deploys (WIN-1974)

hub/28231 (PR #9230) is the "thin" script that hands the actual `git commit`
to the CLI's hidden `sync git-deploy`. The hub script still does the GPG
setup (import key into a fresh GNUPGHOME, dummy `gpg -bsau` to warm the
agent passphrase cache, then `git config user.signingkey` + `commit.gpgsign`
locally), but the commit no longer runs in the same `git_push` flow — it
runs minutes later inside the CLI after workspace API resolution, zip pull,
file extraction, and lockfile autofill. By the time the spawned `git commit`
asks gpg-agent for the cached passphrase, the cache state is no longer
reliable (or the spawned `gpg` ends up talking to a fresh agent), so signing
fails non-interactively with `gpg failed to sign the data`.

hub/28230 is hub/28217's in-script logic rebuilt with windmill-cli@1.703.3:
the GPG setup and the in-script `sh_run("git commit ...")` happen back-to-back
in `git_push`, so the cache is always fresh. It preserves wm_deploy / fork
branch behavior, the EE deployment-callback `main()` signature is unchanged,
and the only min-version check in EE (`is_script_meets_min_version(28103)`)
is comfortably below 28230 — so this revert is safe.

Forward fix (separate PR): publish a new thin script that, alongside the
existing GPG setup, writes a `gpg.program` wrapper using `--pinentry-mode
loopback --passphrase-file` so signing is independent of the agent's cache
state. Re-bump past 28231 then.

Fixes WIN-1974

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* chore(git-sync): check in source-of-truth for the next hub script (gpg.program wrapper)

This is the script that will be published to hub.windmill.dev once verified
on a customer GPG-signed deploy. It replaces hub/28231's agent-cache
pre-warm (`gpg -bsau` with --passphrase) with a stateless gpg.program
wrapper + chmod-600 passphrase file. Every git-invoked gpg call goes
through the wrapper, which always uses --pinentry-mode loopback (and
--passphrase-file when a passphrase exists). Signing no longer depends on
gpg-agent having a cached passphrase by the time the CLI's `git commit`
runs — which closes WIN-1974.

Not wired in yet: LATEST_GIT_SYNC_SCRIPT_PATH stays on hub/28230 until this
script is uploaded and the new hub id is known. This file is checked in so
the diff is reviewable, future bumps have a source of truth, and a CLI
regression test can `cat` it for fixture parity.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(frontend): skip format/pattern validation for $var/$res/$jsonvar references in ArgInput

A resource field with a `pattern` constraint (e.g. the gpg_key.private_key
field, whose pattern enforces a `-----BEGIN PGP PRIVATE KEY BLOCK-----`
prefix) rejects values like `$var:u/me/gpg-private-key` with an "invalid
format" error in the resource editor — even though `$var:`/`$res:`/`$jsonvar:`
are placeholders the backend resolves at runtime, not the actual string
that needs to match the regex.

Bail out of all format/pattern checks (email, ipv4, ipv6, uuid, custom
pattern) when the value is one of these references. Required/numeric
bounds/array checks still apply since they're shape-level, not regex.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(git-sync): bump LATEST_GIT_SYNC_SCRIPT_PATH to hub/28234 (gpg.program-wrapper fix)

hub/28234 is the forward fix for WIN-1974: replaces hub/28231's agent-cache
pre-warm (which became stale by the time the CLI's `git commit` ran) with
a stateless `gpg.program` wrapper that uses `--pinentry-mode loopback`
(and `--passphrase-file` when a passphrase exists) on every gpg invocation.
Bundled CLI is windmill-cli@1.705.0.

Verified via reproducer at /tmp/git-sync-diff/test-gpg-fix.sh: deliberately
killing gpg-agent between GPG setup and `git commit` reproduces the
customer's `gpg failed to sign the data` error verbatim under the old
flow, and the wrapper signs through it. Holds for passphrase-protected
keys, split-subkey [C]+[S] layouts, and unprotected keys.

Drops the local source-of-truth copy (`hub-scripts/`) — hub is canonical
now that 28234 is published.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* chore(git-sync): drop verbose comment above LATEST_GIT_SYNC_SCRIPT_PATH

The git history (this PR) carries the why; the constant name + value carry
the what.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

backend/windmill-common/src/workspaces.rs

@@ -157,7 +157,7 @@ pub enum ObjectType {
     WorkspaceDependencies,
 }
 
-pub const LATEST_GIT_SYNC_SCRIPT_PATH: &str = "hub/28231/sync-script-to-git-repo-windmill";
+pub const LATEST_GIT_SYNC_SCRIPT_PATH: &str = "hub/28234/sync-script-to-git-repo-windmill";
 
 /// Prefix used to identify fork workspaces. A workspace whose id starts with this string is a
 /// fork of another workspace.

frontend/src/lib/components/ArgInput.svelte

@@ -406,6 +406,15 @@
 		if (nullable && emptyString(v)) {
 			error = ''
 			valid && (valid = true)
+		} else if (
+			typeof v === 'string' &&
+			(v.startsWith('$var:') || v.startsWith('$res:') || v.startsWith('$jsonvar:'))
+		) {
+			// $var/$res/$jsonvar are placeholders resolved at runtime; the literal
+			// string won't match format constraints (email/ipv4/uuid/custom pattern),
+			// so format-checking it produces a false-positive "invalid format" error.
+			error = ''
+			!valid && (valid = true)
 		} else if (required && (v == undefined || v == null || v === '') && inputCat != 'object') {
 			error = 'Required'
 			valid && (valid = false)