conductor(setup): Add conductor setup files

conductor/tech-stack.md

@@ -0,0 +1,23 @@
+# Tech Stack - FoodPlanner
+
+## Core Backend
+- **Language:** Python 3.7+
+- **Web Framework:** FastAPI (Asynchronous, high-performance web framework)
+- **Data Validation:** Pydantic (Used for schema definition and request/response validation)
+
+## Data Layer
+- **ORM:** SQLAlchemy (Using 2.0+ patterns for database interactions)
+- **Database:** Support for SQLite (local development) and PostgreSQL (production)
+- **Migrations:** Alembic (Handles database schema evolution)
+
+## Frontend & UI
+- **Templating:** Jinja2 (Server-side rendering for HTML templates)
+- **Frontend Logic:** Minimal JavaScript for reactive UI updates and modal management
+
+## External Integrations
+- **Food Data:** Open Food Facts API (For importing nutritional information)
+- **AI/Extraction:** OpenAI API (Used for extracting food data from unstructured text)
+
+## Quality Assurance
+- **E2E Testing:** Playwright (For browser-based integration tests)
+- **Unit/Integration Testing:** pytest (For backend logic and API testing)