Improve LlmIntentClassifier NLP coverage #710

Job	Run time
Dependency Review	8s
Workflow Lint	34s
OpenAPI Guardrail / OpenAPI Guardrail	42s
Backend Solution Regression	-1s
Dependency Security Signals	-1s
Load and Concurrency Harness	-1s
Demo Director Smoke	-1s
E2E Smoke	-1s
	1m 19s

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