feat: Add Focus Tools (ADHD-friendly productivity features)

- Add Focus Tools dashboard with collapsible help section
- Implement Quick Wins page for tasks under 15 minutes
- Add Single Task Focus mode to reduce overwhelm
- Create Body Doubling page for virtual co-working
- Add visual timer, break reminders, and energy tracking
- Implement hyperfocus protection alerts
- Add ADHD settings panel with customizable options
- Include full English and German translations
- Fix larger touch targets CSS to not break button layouts
- Add Playwright tests for Focus Tools features

server/ai.ts

@@ -738,6 +738,88 @@ Format:
         }
     }
 
+    /**
+     * Break down a large task into smaller, manageable subtasks for ADHD users.
+     */
+    async breakdownTask(task: { title: string; description?: string; estimatedDuration?: number }): Promise<{
+        subtasks: { title: string; estimatedMinutes: number; order: number }[];
+        totalEstimatedMinutes: number;
+        encouragement: string;
+    }> {
+        const provider = await this.storage.getSystemSettings("ai_provider") || "openai";
+        const apiKey = await this.storage.getSystemSettings("ai_api_key");
+        const model = await this.storage.getSystemSettings("ai_model") || "gpt-4o";
+        const baseUrl = await this.storage.getSystemSettings("ai_base_url");
+
+        // Default fallback if AI is not configured
+        if (!apiKey && provider !== "ollama") {
+            return {
+                subtasks: [
+                    { title: `Start: ${task.title}`, estimatedMinutes: 5, order: 1 },
+                    { title: `Continue: ${task.title}`, estimatedMinutes: 10, order: 2 },
+                    { title: `Finish: ${task.title}`, estimatedMinutes: 5, order: 3 },
+                ],
+                totalEstimatedMinutes: 20,
+                encouragement: "Du schaffst das! Nimm dir einen Schritt nach dem anderen vor.",
+            };
+        }
+
+        const prompt = `Du bist ein ADHS-Coach. Der Nutzer hat eine überwältigende Aufgabe, die in kleinere Schritte zerlegt werden muss.
+
+Aufgabe: "${task.title}"
+${task.description ? `Beschreibung: "${task.description}"` : ''}
+${task.estimatedDuration ? `Geschätzte Dauer: ${task.estimatedDuration} Minuten` : ''}
+
+Zerlege diese Aufgabe in 3-7 kleine, konkrete Schritte.
+Jeder Schritt sollte:
+- In 5-15 Minuten erledigt werden können
+- Eine klare, aktionsorientierte Beschreibung haben (auf Deutsch)
+- Einen konkreten Endpunkt haben
+
+Antworte NUR mit einem JSON-Objekt. Keine Markdown-Formatierung.
+Format:
+{
+  "subtasks": [
+    { "title": "Schritt beschreibung", "estimatedMinutes": 5, "order": 1 },
+    ...
+  ],
+  "totalEstimatedMinutes": number,
+  "encouragement": "Eine ermutigende Nachricht auf Deutsch"
+}`;
+
+        const messages: ChatMessage[] = [
+            { role: "system", content: "Du bist ein hilfreicher ADHS-Coach. Antworte nur mit validem JSON." },
+            { role: "user", content: prompt }
+        ];
+
+        try {
+            let responseText = "";
+            if (provider === "openai" || provider === "ollama") {
+                responseText = await this.chatOpenAI(provider, apiKey || "", model, baseUrl, messages, undefined, []);
+            } else if (provider === "anthropic") {
+                responseText = await this.chatAnthropic(apiKey || "", model, messages);
+            } else if (provider === "google") {
+                responseText = await this.chatGemini(apiKey || "", model, messages);
+            }
+
+            // Clean response
+            const cleanJson = responseText.replace(/```json/g, '').replace(/```/g, '').trim();
+            return JSON.parse(cleanJson);
+        } catch (error) {
+            console.error("AI Breakdown Error:", error);
+            // Fallback
+            return {
+                subtasks: [
+                    { title: `Schritt 1: ${task.title} vorbereiten`, estimatedMinutes: 5, order: 1 },
+                    { title: `Schritt 2: ${task.title} durchführen`, estimatedMinutes: 10, order: 2 },
+                    { title: `Schritt 3: ${task.title} abschließen`, estimatedMinutes: 5, order: 3 },
+                ],
+                totalEstimatedMinutes: 20,
+                encouragement: "Jeder kleine Schritt zählt! Du machst das großartig.",
+            };
+        }
+    }
+
     private async chatAnthropic(apiKey: string, model: string, messages: any[]): Promise<string> {
         const systemMessage = messages.find(m => m.role === "system")?.content || "";
         const userAssistantMessages = messages.filter(m => m.role !== "system");