feat(planner): change neutral badge copy to Kein Einfluss

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

frontend/src/lib/planner/RecipePicker.svelte

@@ -82,7 +82,7 @@
 			data-type="neutral"
 			style="display: inline-block; margin-top: 3px; font-size: 9px; font-weight: 500; padding: 1px 5px; border-radius: 3px; background: var(--yellow-tint); color: var(--yellow-text);"
 		>
-			= {delta.toFixed(1)} Punkte
+			Kein Einfluss
 		</span>
 	{/if}
 {/snippet}

frontend/src/lib/planner/RecipePicker.test.ts

@@ -115,7 +115,7 @@ describe('RecipePicker', () => {
 		const alleRezepte = screen.getByTestId('alle-rezepte-section');
 		const badge = within(alleRezepte).getByTestId('badge-r1');
 		expect(badge.getAttribute('data-type')).toBe('neutral');
-		expect(badge.textContent).toContain('0.0');
+		expect(badge.textContent).toContain('Kein Einfluss');
 	});
 
 	it('Empfohlen shows only positive-delta suggestions, capped at 5', () => {