Harden upsert_version_meta RPC auth path

[riderx]

Summary (AI generated)

• Added migration supabase/migrations/20260227000000_harden_upsert_version_meta.sql to secure public.upsert_version_meta.
• Reworked the RPC to verify write authorization for the target app before insert and require p_version_id to belong to that app.
• Removed RPC execute access for anon and authenticated, keeping execution for service_role only.
• Kept existing positive/negative size dedupe behavior and kept the return contract as boolean.

Motivation (AI generated)

The RPC was previously callable with publishable anon/auth credentials and allowed arbitrary inserts into public.version_meta, enabling cross-tenant storage-metric integrity issues in downstream aggregation.

Business Impact (AI generated)

This blocks unauthenticated metric-poisoning by external callers and reduces the risk of falsified usage dashboards, alerts, or tenant-level reporting decisions driven by untrusted version_meta data.

Test Plan (AI generated)

• Run bun lint.
• Review migration diff with git diff origin/main...HEAD.
• Run focused backend tests for RPC behavior in an isolated DB environment (precondition for final sign-off).

Generated with AI

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📥 Commits

Reviewing files that changed from the base of the PR and between e719357 and 0ae4325.

📒 Files selected for processing (1)

• supabase/migrations/20260227000000_harden_upsert_version_meta.sql

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch riderx/fix-version-metrics

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud