[Sev7eNup]

Three regressions that came in with #772, #778 and #780 and are not released yet.

Duplicate output variables (#789)

#778 made the alias map throw on two active nodes with the same outputVariable. Before that, duplicating or pasting copied the alias as is, and only the linter flagged it, so installations can have such workflows stored. After the upgrade they would no longer parse: their schedule, file, database and event-log triggers would silently stop and every run would fail.

The alias map now tolerates a stored duplicate and lets the last node keep the alias, which is what the engine did when the workflow was saved. Save, publish and import still reject new duplicates with dup-output-variable, and the designer flags the pair, so it gets fixed on the next save. Annotation nodes are skipped, as in the validator. There is no data migration, the same approach ADR 0013 took for direct fan-in.

Renaming an alias also rewrites {{alias.…}} inside literal condition operands again. The engine resolves templates there, so leaving them behind silently picked the wrong branch.

waitForCondition and scheduledTask (#790)

• The portOpen lint accepted only a JSON number. It now also takes a template or a numeric string, like the engine, so "port": "{{disc.param.selfPort}}" in the test suite no longer blocks the pre-publish checklist.
• scheduledTask registered a managed service account with -LogonType ServiceAccount. On a lab host with a gMSA, that registers fine but the task never runs (0x41303). With -LogonType Password it runs as the gMSA (whoami = corp\q-sdvorch2$). Built-in accounts keep ServiceAccount.

Test-suite release check (#776)

• A first install now creates the webhook workflow as an empty, unlocked draft before it judges prerequisites. NP_TESTSUITE_WEBHOOK_URL therefore exists in time, and both webhook workflows are installed enabled.
• RELEASING.md runs the verifier with the same -Profiles continuous, integration the install uses.

Tests run

• Engine.Tests, filtered to WorkflowDefinitionDocument, WorkflowDefinitionCache, ScheduledTaskActivity, WorkflowAnalyzer and StructuralValid: 166 passed
• Vitest: activityConfigFacts, editorGraphHelpers, workflowFragment, propertyConfigs.activities, useWorkflowClipboard, workflowLint: 357 passed; tsc --noEmit and ESLint on the touched files clean
• scripts/test-suite/Test-TestSuiteSafety.ps1 (89 assertions) and Test-WorkflowCatalogue.ps1 passed
• The gMSA check on the lab host described above

Closes #789
Closes #790
Closes #776

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