Fixed Koenig demo build in CI

[kevinansfield]

ref https://linear.app/ghost/issue/BER-3774/

The Koenig Demo deploy workflow has been failing on main since the Koenig monorepo merge, so https://koenig.ghost.org is not receiving updates. The build step failed with Rolldown unable to resolve @tryghost/kg-default-nodes because that package's entry points are compiled output (build/esm/) that never gets built in the workflow's fresh checkout.

Only the build target inherits dependsOn: ["^build"] from the nx.json target defaults — the differently-named build:demo target inherits nothing, so nx run @tryghost/koenig-lexical:build:demo ran vite directly without first compiling the workspace kg-* packages it imports. This worked in the standalone Koenig repo's pages workflow but was missed in the merge.

Fixed by giving build:demo its own Nx target config with ^build, matching the existing dev:integrated and test:acceptance targets. The target is deliberately left uncached: the demo build inlines VITE_TENOR_API_KEY/VITE_KLIPY_API_KEY via import.meta.env and writes to the same dist dir as the build target, so caching could ship stale GIF provider config after the secrets change and lets the two cached targets clobber each other's restored outputs. It's a ~4s build that only runs in the deploy workflow, so caching buys nothing anyway.

Verified against the exact CI steps (filtered frozen-lockfile install + nx run @tryghost/koenig-lexical:build:demo) both with and without the Nx cache.

[coderabbitai]

Walkthrough

This change adds a new build:demo target to the Nx configuration in koenig/koenig-lexical/package.json. The target is configured with dependsOn set to ^build.

Suggested reviewers: EvanHahn, acburdine

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly summarizes the main change: fixing the Koenig demo build in CI.
Description check	✅ Passed	The description is directly about the Koenig demo build failure and the Nx target fix.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix-koenig-demo-build

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[nx-cloud]

🤖 Nx Cloud AI Fix

Ensure the fix-ci command is configured to always run in your CI pipeline to get automatic fixes in future runs. For more information, please see https://nx.dev/ci/features/self-healing-ci

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View your CI Pipeline Execution ↗ for commit 59707d0

Command	Status	Duration	Result
nx run @tryghost/admin-x-settings:test:acceptance	✅ Succeeded	9m 44s	View ↗
nx run @tryghost/koenig-lexical:test:acceptance	✅ Succeeded	2m 27s	View ↗
nx run-many --target=build --projects=tag:publi...	✅ Succeeded	<1s	View ↗
nx run @tryghost/activitypub:test:acceptance	✅ Succeeded	47s	View ↗
nx run @tryghost/admin:build	✅ Succeeded	10s	View ↗
nx run ghost-admin:test	✅ Succeeded	3s	View ↗
nx run ghost:build:assets	✅ Succeeded	2s	View ↗
nx run ghost:build:tsc	✅ Succeeded	9s	View ↗
Additional runs (2)	✅ Succeeded	...	View ↗

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☁️ Nx Cloud last updated this comment at 2026-07-08 16:34:01 UTC

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
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Inline comments:
In `@koenig/koenig-lexical/package.json`:
- Around line 149-157: The build:demo target is sharing the same output
directory as the regular build target, which can cause artifacts and cached
output to overwrite each other. Update the build:demo configuration in
package.json to use a separate outputs path, and make sure the build:demo
target’s output directory is distinct from the one used by the main build script
while keeping the existing dependsOn and cache settings intact.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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• koenig/koenig-lexical/package.json

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