chore(issuer): switch sqlite example to libsql

[venables]

Summary

• replace better-sqlite3 in examples/issuer with @libsql/client
• switch Drizzle adapter/migrator imports to drizzle-orm/libsql
• remove better-sqlite3 from workspace onlyBuiltDependencies

Why

The issuer example should avoid native Node build requirements (node-gyp/C++ toolchain). Using libsql keeps the example lightweight and avoids native driver install failures.

Validation

• pnpm --filter ./examples/issuer db:generate
• root pnpm install (run locally by requester)

Summary by CodeRabbit

• Refactor

  • Updated the issuer example's database infrastructure to use LibSQL, providing enhanced compatibility and improved async database operations.

• Chores

  • Updated project dependencies to support the new database backend infrastructure.

[coderabbitai]

Walkthrough

This change migrates the database backend from better-sqlite3 to LibSQL across the issuer example. It updates imports in server initialization and database configuration, swaps dependencies in package.json, and adjusts the workspace configuration to remove better-sqlite3 from the build dependencies list.

Changes

Cohort / File(s)	Summary
Database Backend Migration examples/issuer/bin/start-server.ts, examples/issuer/src/db/get-db.ts	Replaced better-sqlite3 imports with LibSQL client. Made startServer async and awaited migrate call. Updated database URL format from "sqlite.db" to "file:sqlite.db". Internal variable names changed from sqlite to client.
Dependency & Configuration Updates examples/issuer/package.json, pnpm-workspace.yaml	Added @libsql/client 0.15.15 dependency. Removed better-sqlite3 and @types/better-sqlite3 from dependencies. Removed better-sqlite3 from pnpm workspace onlyBuiltDependencies list.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'chore(issuer): switch sqlite example to libsql' accurately summarizes the main change: migrating the issuer example from better-sqlite3 to libsql.
Merge Conflict Detection	✅ Passed	✅ No merge conflicts detected when merging into main

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch venables/issuer-libsql-no-native

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No actionable comments were generated in the recent review. 🎉

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