feat(fs-20): complete REST layer for AppConfiguration system paramete… #40

Job	Run time
Bilingual Documentation Sync	6s
Markdown Lint & Style	22s
Mermaid Diagram Syntax	36s
Sensitive Information Scan	4s
Internal & External Link Validation	2m 7s
MASTER_INDEX Navigation	9s
ADR Numbering & Status	5s
Documentation QA Report	7s
Documentation Quality Gate	2s
	3m 38s

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