Fix security, resilience, and type-safety issues in AI chat and sync pipeline

[Copilot]

• Fix cloudSync.ts: JSON.stringify extracted_data before calling updateRecordExtraction
• Fix geminiService.ts: wrap fetch in try/catch to handle network errors in retry loop; extract BASE_RETRY_DELAY_MS as named constant
• Fix extract-handwriting/index.ts: return empty string on invalid URL in toStoragePath
• Fix 004_ai_chat.sql: add patient clinic ownership check to INSERT policy
• Fix ai-chat-patient/index.ts: remove @ts-nocheck, enforce auth (require valid doctor profile), fix empty sessions array, add SessionRow/RecordRow types
• Fix aiChat.ts: reuse shared contextSelector.ts helpers instead of duplicating logic
• All tests passing, CodeQL clean

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[yassinekolsi]

@copilot with one check before you do. Open PR 2's actual diff in geminiService.ts and confirm whether BASE_RETRY_DELAY_MS is extracted as a named constant. If it is, PR 2 is strictly better than PR 1 on every axis and you can merge it as-is. If the constant is missing, leave a comment asking for it to be added — it is a one-line change and worth doing while the file is already open. Do not merge PR 1 instead just to get that constant; PR 1's incomplete type coverage is a bigger omission than a missing constant name.

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[yassinekolsi]

https://gh.io/copilot-coding-agent-docs with one check before you do. Open PR 2's actual diff in geminiService.ts and confirm whether BASE_RETRY_DELAY_MS is extracted as a named constant. If it is, PR 2 is strictly better than PR 1 on every axis and you can merge it as-is. If the constant is missing, leave a comment asking for it to be added — it is a one-line change and worth doing while the file is already open. Do not merge PR 1 instead just to get that constant; PR 1's incomplete type coverage is a bigger omission than a missing constant name.

[Copilot]

@copilot with one check before you do. Open PR 2's actual diff in geminiService.ts and confirm whether BASE_RETRY_DELAY_MS is extracted as a named constant. If it is, PR 2 is strictly better than PR ...

BASE_RETRY_DELAY_MS was not extracted — the value 1500 was hardcoded in two places. Added the named constant in commit 2d3365e and updated both usages.

https://gh.io/copilot-coding-agent-docs with one check before you do. Open PR 2's actual diff in geminiService.ts and confirm whether BASE_RETRY_DELAY_MS is extracted as a named constant. If it is, PR...

BASE_RETRY_DELAY_MS was not extracted — the value 1500 was hardcoded in two places. Added the named constant in commit 2d3365e and updated both usages.

[Copilot]

Pull request overview

Improves the security and robustness of the AI chat + sync pipeline by tightening clinic-scoped authorization, hardening edge-function query behavior, and normalizing data types between Supabase (JSONB) and local SQLite (JSON string).

Changes:

• Tightens AI chat authorization (removes fallback doctor profile) and strengthens ai_conversations INSERT RLS to validate patient_id belongs to the same clinic.
• Improves correctness/resilience: guards empty .in() queries, retries network failures in Gemini fetch loop, and normalizes extracted_data to a JSON string during sync.
• Refactors fallback chat context building to use shared selectTopK logic.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
supabase/migrations/004_ai_chat.sql	Adds clinic-consistency validation for ai_conversations inserts via RLS.
supabase/functions/extract-handwriting/index.ts	Makes invalid/unknown image URLs fail fast (empty storage path) to produce a clearer 400.
supabase/functions/ai-chat-patient/index.ts	Removes auth bypass fallback, adds session-first record fetching, and improves type checking.
services/geminiService.ts	Retries transient network failures within the backoff loop.
services/cloudSync.ts	Ensures extracted_data is serialized before writing to SQLite.
services/aiChat.ts	Deduplicates context selection via shared contextSelector.
package-lock.json	Updates dependency metadata and introduces a react-dom resolution.

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