Initial commit: Ressourcenplanung-App

Vue 3 + Vite Frontend und Node/Express + SQLite Backend für
Projekt-, Aufgaben-, Mitarbeiter- und Teamverwaltung inkl.
Gantt-Zeitplan und Auslastungs-Heatmap.

server/schema.sql

@@ -0,0 +1,54 @@
+PRAGMA foreign_keys = ON;
+
+CREATE TABLE IF NOT EXISTS employees (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  name TEXT NOT NULL,
+  email TEXT,
+  role TEXT,
+  weekly_capacity_hours REAL NOT NULL DEFAULT 40
+);
+
+CREATE TABLE IF NOT EXISTS teams (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  name TEXT NOT NULL,
+  description TEXT
+);
+
+CREATE TABLE IF NOT EXISTS team_members (
+  team_id INTEGER NOT NULL REFERENCES teams(id) ON DELETE CASCADE,
+  employee_id INTEGER NOT NULL REFERENCES employees(id) ON DELETE CASCADE,
+  PRIMARY KEY (team_id, employee_id)
+);
+
+CREATE TABLE IF NOT EXISTS projects (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  name TEXT NOT NULL,
+  description TEXT,
+  start_date TEXT,
+  end_date TEXT,
+  color TEXT DEFAULT '#4f46e5'
+);
+
+CREATE TABLE IF NOT EXISTS tasks (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  project_id INTEGER NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
+  name TEXT NOT NULL,
+  start_date TEXT NOT NULL,
+  end_date TEXT NOT NULL,
+  estimated_hours REAL NOT NULL DEFAULT 0,
+  status TEXT NOT NULL DEFAULT 'geplant'
+);
+
+CREATE TABLE IF NOT EXISTS task_dependencies (
+  task_id INTEGER NOT NULL REFERENCES tasks(id) ON DELETE CASCADE,
+  depends_on_task_id INTEGER NOT NULL REFERENCES tasks(id) ON DELETE CASCADE,
+  PRIMARY KEY (task_id, depends_on_task_id)
+);
+
+CREATE TABLE IF NOT EXISTS assignments (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  task_id INTEGER NOT NULL REFERENCES tasks(id) ON DELETE CASCADE,
+  employee_id INTEGER NOT NULL REFERENCES employees(id) ON DELETE CASCADE,
+  allocated_hours_per_week REAL NOT NULL DEFAULT 0,
+  UNIQUE (task_id, employee_id)
+);