📌 Stress-test and QA review 4 scholarship essays

Perform rigorous quality assurance and adversarial review of the 4 drafted scholarship essays in projects/scholarships/asean-australia-ai-dt-2026/draft_essays.md. Review checklist: 1. Word count compliance (must be under or exactly within the 200-word limit per question). 2. Alignment with AAC selection criteria, DEFA/AI policy relevance, and candidate CV credibility. 3. Logic flow, impact, persuasiveness, and elimination of generic scholarship clichés. 4. Provide inline edits and a QA report in projects/scholarships/asean-australia-ai-dt-2026/qa_review.md.