refactor: implement database-specific schema architecture with schema-as-query pattern

🏗️ **Major Database Schema Refactoring**

**Problem Solved**: Eliminated model duplication and multiple sources of truth by:
- Removed duplicate models (`internal/models/content.go`)
- Replaced inlined schema strings with sqlc-generated setup functions
- Implemented database-specific schemas with proper NOT NULL constraints

**Key Improvements**:
 **Single Source of Truth**: Database schemas define all types, no manual sync needed
 **Clean Generated Types**: sqlc generates `string` and `int64` instead of `sql.NullString/sql.NullTime`
 **Schema-as-Query Pattern**: Setup functions generated by sqlc for type safety
 **Database-Specific Optimization**: SQLite INTEGER timestamps, PostgreSQL BIGINT timestamps
 **Cross-Database Compatibility**: Single codebase supports both SQLite and PostgreSQL

**Architecture Changes**:
- `db/sqlite/` - SQLite-specific schema and setup queries
- `db/postgresql/` - PostgreSQL-specific schema and setup queries
- `db/queries/` - Cross-database CRUD queries using `sqlc.arg()` syntax
- `internal/db/database.go` - Database abstraction with runtime selection
- `internal/api/models.go` - Clean API models for requests/responses

**Version Control System**: Complete element-level history with user attribution and rollback

**Verification**:  Full API workflow tested (create → update → rollback → versions)
**Production Ready**: Supports SQLite (development) → PostgreSQL (production) migration
This commit is contained in:
2025-09-09 00:25:07 +02:00
parent 161c320304
commit bab329b429
41 changed files with 3703 additions and 561 deletions

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<!DOCTYPE html>
<html>
<head>
<title>Test ID Generation</title>
<script src="demo-site/insertr.js"></script>
</head>
<body>
<section class="hero">
<h1 class="insertr">Transform Your Business with Expert Consulting</h1>
<p class="lead insertr">We help small businesses grow through strategic planning, process optimization, and digital transformation. Our team brings 15+ years of experience to drive your success.</p>
<a href="contact.html" class="btn-primary insertr">Get Started Today</a>
</section>
<script>
document.addEventListener('DOMContentLoaded', function() {
const core = new InsertrCore();
const elements = core.findEnhancedElements();
console.log('Testing ID generation:');
elements.forEach(element => {
const metadata = core.getElementMetadata(element);
console.log(`${element.tagName.toLowerCase()}: "${element.textContent.trim()}" => ${metadata.contentId}`);
});
// Expected IDs from CLI:
console.log('\nExpected from CLI:');
console.log('h1: hero-title-7cfeea');
console.log('p: hero-lead-e47475');
console.log('a: hero-link-76c620');
});
</script>
</body>
</html>