Upgrade to Prismav7

[initstring]

Prisma v7 Upgrade

• Architecture: Adopted the Minimal Adapter Pattern to support Prisma v7 without database migrations.
• Configuration: Moved database connection logic from schema.prisma (datasource.url is deprecated) to a new type-safe prisma.config.ts.
• Runtime: Updated src/server/db.ts and all maintenance scripts (init, seed, etc.) to use @prisma/adapter-pg.

Verification

• Test Suite: All 49 test suites passed (npm run test).
• Prisma: prisma generate and prisma migrate deploy verified working.

[initstring]

@codex please review

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Restore datasource url for Prisma schema validity

The Prisma schema now omits the url field in the db datasource, which causes validation to fail (P1012: Argument "url" is missing in data source block "db"). The new prisma.config.ts does not satisfy the schema requirement, so prisma validate/migrate/generate and any CI steps that invoke the CLI will error before the app can run. Please keep a datasource url (or equivalent) in the schema so the client and migrations can be produced.

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