Rewrite the rest of queries to SQLC

[jakubno]

Note

Replaces Ent ORM with a new sqlc-based data layer and typed models, adds SQL query files and DB client, updates API/handlers and tests accordingly, and removes legacy generated code.

• Migrate to sqlc-based data layer:
  • Replace Ent/entgo generated model code (packages/shared/pkg/models/*, migrate, predicate, runtime, etc.) with SQLC-backed queries and typed models.
  • Introduce packages/db/queries/* (e.g., create_template.sql, create_alias.sql, get_snapshot_builds.sql) and packages/db/types for typed enums/structs.
  • Add packages/shared/pkg/db/client.go and related DB error handling.
• Update application code to new DB layer:
  • Modify API handlers (packages/api/internal/*) to use the new DB client/types.
  • Adjust integration tests (packages/db/tests/*, packages/api tests) and switch enum references (e.g., envbuild.Status* → dbtypes.BuildStatus*).
• Housekeeping:
  • Update go.mod/go.sum and Makefile for new dependencies.
  • Remove legacy Ent-generated files (envbuild_*, snapshot_*, team_*, user_*, predicate, runtime, etc.).

^{Written by Cursor Bugbot for commit e154e2c. This will update automatically on new commits. Configure here.}

[linear]

ENG-2327 Migrate to sqlc

[chatgpt-codex-connector]

💡 Codex Review

infra/packages/api/internal/template/register_build.go

Lines 244 to 247 in 76fb851

	aliasDB, err := client.CheckAliasExists(ctx, alias)
	if err != nil {
	if !dberrors.IsNotFoundError(err) {
	telemetry.ReportCriticalError(ctx, "error when checking alias", err, attribute.String("alias", alias))

Treat pgx no-row result as not found

This branch assumes dberrors.IsNotFoundError(err) will fire when the alias is missing, but CheckAliasExists now uses pgx’ QueryRow and returns pgx.ErrNoRows, while dberrors.IsNotFoundError only matches database/sql.ErrNoRows (see packages/db/dberrors/dberrors.go:8-9). As a result, a build request with a new alias will hit this block and return a 500 instead of creating the alias, because the missing-alias case is treated as an unexpected error. Please update the not-found check to handle pgx’s error so alias creation continues to work.

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[sitole]

Can we put it under templat-aliases or something? I think folder aliases can be confusing