feat: upgrade to Typescript 7

[nikilok]

• upgrade to TS 7
• fix a few type errors
• add typecheck to the CI so we dont introduce type errors

Summary by CodeRabbit

• New Features

  • Added a repository-wide TypeScript typecheck command and pipeline step to CI.
  • Added app/package-level typecheck scripts across the codebase for easier local checks.

• Bug Fixes

  • Updated database client typing so SQL query types are sourced from the shared database package.
  • Refreshed the TypeScript version used by the project.

• Chores

  • Renamed the CI lint step to better reflect the checks it runs.

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Project	Deployment	Actions	Updated (UTC)
learn-tanstack-start	Error		Jul 20, 2026 12:10pm

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 639fdaf5-1646-4eba-851c-5d41e29ea0d4

📥 Commits

Reviewing files that changed from the base of the PR and between 47d67f2 and acf2bf9.

⛔ Files ignored due to path filters (1)

• bun.lock is excluded by !**/*.lock

📒 Files selected for processing (10)

• .github/workflows/ci.yaml
• apps/ch-stream/package.json
• apps/desktop/package.json
• apps/firewall/package.json
• apps/web/package.json
• apps/web/src/lib/phase5/sql.ts
• package.json
• packages/db/package.json
• packages/db/src/client.ts
• turbo.json

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📝 Walkthrough

Walkthrough

This PR introduces a typecheck script (running tsc --noEmit) across root and workspace packages, adds a corresponding typecheck task to turbo.json, adds a CI step to run it, upgrades TypeScript to ^7.0.2, re-exports NeonQueryFunction from packages/db/src/client.ts, and updates its import source in apps/web/src/lib/phase5/sql.ts.

Changes

Typecheck Task Rollout

Layer / File(s)	Summary
Root orchestration and TypeScript upgrade turbo.json, package.json	Adds a typecheck Turbo task and a root typecheck script running turbo run typecheck; upgrades typescript devDependency from ^6.0.3 to ^7.0.2.
Per-package typecheck scripts apps/ch-stream/package.json, apps/desktop/package.json, apps/firewall/package.json, apps/web/package.json, packages/db/package.json	Adds typecheck (tsc --noEmit) scripts to each package, alongside existing lint:fix entries.
CI typecheck step .github/workflows/ci.yaml	Renames the lint/format job step and adds a new step running bun run typecheck.
Neon client type export and import update packages/db/src/client.ts, apps/web/src/lib/phase5/sql.ts	Re-exports NeonQueryFunction type from packages/db/src/client.ts and updates the import source used for the Sql type alias in apps/web/src/lib/phase5/sql.ts.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• nikilok/learn-tanstack-start#190: Both PRs modify the scripts block in apps/firewall/package.json, with this PR adding a typecheck entry there.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly reflects the main change: upgrading the project to TypeScript 7.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/typescript-7

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