Initial commit – TimeMaster Zeiterfassung & HR-Tool

Stand: agent-06 (Audit-Log), agent-05 (Krankmeldung), agent-07 Phase 1 (Personalnummer),
Busylight-Pull-Integration, TOTP/2FA, Abwesenheiten, Zeiterfassung, Kiosk-Grundgerüst.
Migrations 0001–0023 deployed auf 192.168.1.137 + .164.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/migrations/versions/0013_projects.py

@@ -0,0 +1,44 @@
+"""projects table + time_entries FK
+
+Revision ID: 0013_projects
+Revises: 0012_caldav_template_and_kuerzel
+Create Date: 2026-03-28
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects.postgresql import UUID
+
+revision = "0013_projects"
+down_revision = "0012_caldav_template_and_kuerzel"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Projekte-Tabelle
+    op.create_table(
+        "projects",
+        sa.Column("id", UUID(as_uuid=True), primary_key=True),
+        sa.Column("company_id", UUID(as_uuid=True),
+                  sa.ForeignKey("companies.id", ondelete="CASCADE"), nullable=False, index=True),
+        sa.Column("name", sa.String(100), nullable=False),
+        sa.Column("description", sa.Text, nullable=True),
+        sa.Column("color", sa.String(7), nullable=False, server_default="#3B82F6"),
+        sa.Column("budget_hours", sa.Numeric(8, 2), nullable=True),
+        sa.Column("is_active", sa.Boolean, nullable=False, server_default="true"),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
+        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
+    )
+
+    # FK von time_entries.project_id → projects.id
+    op.create_foreign_key(
+        "fk_time_entries_project_id",
+        "time_entries", "projects",
+        ["project_id"], ["id"],
+        ondelete="SET NULL",
+    )
+
+
+def downgrade() -> None:
+    op.drop_constraint("fk_time_entries_project_id", "time_entries", type_="foreignkey")
+    op.drop_table("projects")