fix: include the local Postgres runtime in published CLI packages

[AmanVarshney01]

On hold: not required for the project-owned dependency fix

Do not merge this as a prerequisite for fixing create-prisma local development.

This PR adds @prisma/dev to both published CLI packages. It was opened on the assumption that Prisma 8 was expected to supply the runtime transitively. Reviewing the history showed that the consolidated CLI never declared it, and the CLI design explicitly identifies it as an optional, project-owned dependency.

The active fix is:

• fix: install the project-owned local Postgres runtime create-prisma#102: generated PostgreSQL projects declare their own @prisma/dev devDependency.
• fix(local): resolve Prisma dev through the exported CLI manifest composer#296: fix the CLI-relative resolver and misleading install instruction, preserving direct project resolution.

Both fresh Bun and pnpm projects have been verified with the scaffolding fix and the published Prisma CLI, without this PR. Leave this draft open only for an explicit maintainer decision to change dependency ownership; it is not part of the proposed merge set.

What this alternative changes

• Adds @prisma/dev@0.25.2 as a production dependency of both prisma and @prisma/cli.
• Keeps the runtime external and lazily loaded by Composer rather than imported at startup or bundled into CLI JavaScript.
• Updates the existing packaging conformance allowlists and manifest parity assertion.

Previous technical verification

The proposed packaging works technically: build, typecheck, lint, and all five release-subject conformance checks passed; CLI tests were 964 passed / 2 skipped. Packed CLI and Composer packages started a freshly generated Bun monorepo locally, applied its migration, and served seeded users across a restart. These checks do not establish that changing CLI dependency ownership is the intended design.

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[pkg-pr-new]

Open in StackBlitz

npx https://pkg.pr.new/@prisma/cli@270

npx https://pkg.pr.new/@prisma/cli-engine@270

commit: 43456bc

[AmanVarshney01]

Closing in favor of the project-owned runtime fix in prisma/create-prisma#102 and the resolver/error-message fix in prisma/composer#296. The consolidated CLI design treats @prisma/dev as an optional project dependency; adding it to every CLI installation is not needed. Fresh Bun and pnpm scaffolds have been verified with the published CLI, without this packaging change.