[ADE-66] fix: enhance medical analysis instructions and enforce metadata integrity

[adamrefaey]

Change

fix: enhance medical analysis instructions and enforce metadata integrity

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[Copilot]

Pull Request Overview

This PR enhances medical analysis instructions and enforces metadata integrity across services.

• Refactors the reviewMedicalAnalysis function to use a strongly typed MedicalDocumentAnalysis parameter and updates the system prompt with strict metadata handling instructions.
• Updates AWS Bedrock service instructions to enforce the inclusion of "reference-ranges-missing" for lab values without explicit ranges.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
backend/src/services/perplexity.service.ts	Updated function parameter type and added explicit metadata prompts
backend/src/document-processor/services/aws-bedrock.service.ts	Added and refined instructions regarding lab value metadata handling

Comments suppressed due to low confidence (2)

backend/src/services/perplexity.service.ts:296

• [nitpick] The prompt now includes duplicated critical instructions about preserving metadata integrity (also present in line 286). Consider consolidating these instructions for clarity.

CRITICAL INSTRUCTION: Do NOT modify the metadata object. The metadata.missingInformation array must remain exactly as provided without any additions, removals, or changes.

backend/src/document-processor/services/aws-bedrock.service.ts:91

• [nitpick] There are multiple similar instructions (lines 75-76 and 91) regarding the handling of lab value missing ranges. Consider merging these into a single clear instruction to avoid potential confusion.

IMPORTANT: Failing to add "reference-ranges-missing" to missingInformation when ANY lab value lacks explicit ranges