Added support for Streamdeck Pedal and updated UI to better fit the Packed UI style

pirp/tools/migrate_recurring.sql

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+-- Wiederkehrende Rechnungen (Abo-Rechnungen)
+-- Migration ausführen mit: psql -U pirp_user -d pirp -f tools/migrate_recurring.sql
+
+-- Abo-Vorlagen
+CREATE TABLE IF NOT EXISTS recurring_templates (
+    id SERIAL PRIMARY KEY,
+    template_name VARCHAR(100) NOT NULL,
+    customer_id INTEGER NOT NULL REFERENCES customers(id) ON DELETE RESTRICT,
+    interval_type VARCHAR(20) NOT NULL CHECK (interval_type IN ('monthly', 'quarterly', 'yearly')),
+    start_date DATE NOT NULL,
+    end_date DATE,
+    next_due_date DATE NOT NULL,
+    vat_mode VARCHAR(10) NOT NULL DEFAULT 'klein',
+    vat_rate NUMERIC(5,2) NOT NULL DEFAULT 19.00,
+    is_active BOOLEAN NOT NULL DEFAULT TRUE,
+    notes_internal TEXT,
+    created_at TIMESTAMPTZ DEFAULT now()
+);
+
+-- Positionen der Abo-Vorlage
+CREATE TABLE IF NOT EXISTS recurring_template_items (
+    id SERIAL PRIMARY KEY,
+    template_id INTEGER NOT NULL REFERENCES recurring_templates(id) ON DELETE CASCADE,
+    position_no INTEGER NOT NULL,
+    description TEXT NOT NULL,
+    quantity NUMERIC(12,2) NOT NULL DEFAULT 1,
+    unit_price NUMERIC(12,2) NOT NULL DEFAULT 0
+);
+
+-- Log der generierten Rechnungen
+CREATE TABLE IF NOT EXISTS recurring_log (
+    id SERIAL PRIMARY KEY,
+    template_id INTEGER NOT NULL REFERENCES recurring_templates(id) ON DELETE CASCADE,
+    invoice_id INTEGER REFERENCES invoices(id) ON DELETE SET NULL,
+    generated_at TIMESTAMPTZ DEFAULT now(),
+    due_date DATE NOT NULL,
+    status VARCHAR(20) NOT NULL DEFAULT 'generated'
+);
+
+-- Indices
+CREATE INDEX IF NOT EXISTS idx_recurring_next_due ON recurring_templates(next_due_date) WHERE is_active = TRUE;
+CREATE INDEX IF NOT EXISTS idx_recurring_log_template ON recurring_log(template_id);