feat: add tenant and user management with migrations, handlers, and tests

- Implemented tenant and user management features including:
  - Tenant creation and management with associated migrations.
  - User creation and management with associated migrations.
  - Tenant membership management with associated migrations.
  - Platform user roles management with associated migrations.
  - Quota management with associated migrations.
  - Article and template management with associated migrations.
- Added HTTP handlers for templates and workspaces.
- Created tests for protected and public routes.
- Introduced a script to check tenant scope in SQL queries.
- Documented task plan for backend completion and frontend foundation.

server/internal/tenant/repository/article_repo.go

@@ -0,0 +1,74 @@
+package repository
+
+import (
+	"context"
+
+	"github.com/geo-platform/tenant-api/internal/tenant/repository/generated"
+)
+
+type CreateArticleInput struct {
+	TenantID   int64
+	SourceType string
+	TemplateID *int64
+}
+
+type CreateArticleVersionInput struct {
+	ArticleID       int64
+	VersionNo       int
+	Title           string
+	HTMLContent     string
+	MarkdownContent string
+	WordCount       int
+	SourceLabel     string
+}
+
+type ArticleRepository interface {
+	CreateArticle(ctx context.Context, input CreateArticleInput) (int64, error)
+	CreateArticleVersion(ctx context.Context, input CreateArticleVersionInput) (int64, error)
+	UpdateArticleCurrentVersion(ctx context.Context, articleID, tenantID, versionID int64) error
+	UpdateArticleGenerateStatus(ctx context.Context, articleID, tenantID int64, status string) error
+}
+
+type articleRepository struct {
+	q generated.Querier
+}
+
+func NewArticleRepository(db generated.DBTX) ArticleRepository {
+	return &articleRepository{q: newQuerier(db)}
+}
+
+func (r *articleRepository) CreateArticle(ctx context.Context, input CreateArticleInput) (int64, error) {
+	return r.q.CreateArticle(ctx, generated.CreateArticleParams{
+		TenantID:   input.TenantID,
+		SourceType: input.SourceType,
+		TemplateID: pgInt8(input.TemplateID),
+	})
+}
+
+func (r *articleRepository) CreateArticleVersion(ctx context.Context, input CreateArticleVersionInput) (int64, error) {
+	return r.q.CreateArticleVersion(ctx, generated.CreateArticleVersionParams{
+		ArticleID:       input.ArticleID,
+		VersionNo:       int32(input.VersionNo),
+		Title:           pgText(&input.Title),
+		HtmlContent:     pgText(&input.HTMLContent),
+		MarkdownContent: pgText(&input.MarkdownContent),
+		WordCount:       int32(input.WordCount),
+		SourceLabel:     pgText(&input.SourceLabel),
+	})
+}
+
+func (r *articleRepository) UpdateArticleCurrentVersion(ctx context.Context, articleID, tenantID, versionID int64) error {
+	return r.q.UpdateArticleCurrentVersion(ctx, generated.UpdateArticleCurrentVersionParams{
+		VersionID: pgInt8(&versionID),
+		ID:        articleID,
+		TenantID:  tenantID,
+	})
+}
+
+func (r *articleRepository) UpdateArticleGenerateStatus(ctx context.Context, articleID, tenantID int64, status string) error {
+	return r.q.UpdateArticleGenerateStatus(ctx, generated.UpdateArticleGenerateStatusParams{
+		Status:   status,
+		ID:       articleID,
+		TenantID: tenantID,
+	})
+}