diff --git a/doc/architecture.mmd b/doc/architecture.mmd
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--- /dev/null
+++ b/doc/architecture.mmd
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+graph TD
+    subgraph Backend FastAPI
+        API[FastAPI Server<br/>fastAPI.py]
+        COMP[Endpoint Compare<br/>endpoint_compare.py]
+    end
+
+    subgraph Core Logic & Scraping
+        CRON((Scheduler / Cronjob))
+        SCRAPE[WhatsNew Fetcher<br/>fetchWhatsNew.py]
+        EDGE[Edge WebDriver<br/>msedgedriver.exe]
+    end
+
+    C[Client / Developer] -->|HTTP Requests| API
+    API --> COMP
+    
+    CRON -->|Einmal im Monat| SCRAPE
+    SCRAPE -->|Automates| EDGE
+    EDGE -.->|Scrapes| SAP[Whats new for SAP Digital Manufacturing]
+    
+    SCRAPE -.->|Speichert Daten für| COMP
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diff --git a/doc/sequence_phase_1.mmd b/doc/sequence_phase_1.mmd
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+++ b/doc/sequence_phase_1.mmd
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+sequenceDiagram
+    autonumber
+    participant Scraper as WhatsNew Scraper<br/>(Core/fetchWhatsNew.py)
+    participant Edge as Edge WebDriver<br/>(msedgedriver.exe)
+    participant SAP as SAP DM Webseiten<br/>(Extern)
+    participant Compare as Datenverarbeitung / Speicher<br/>(z.B. endpoint_compare.py)
+
+    Note over Scraper: Rufe aktuelle 'What's New' Daten ab
+    activate Scraper
+    
+    Scraper->>Edge: Initialisiere Browser-Instanz
+    activate Edge
+    Note right of Edge: Nutzt lokale msedgedriver.exe
+    
+    Scraper->>Edge: Navigiere zu SAP DM Deprecation Pages
+    Edge->>SAP: HTTP Request (Lade Seite)
+    activate SAP
+    SAP-->>Edge: HTML Content
+    deactivate SAP
+    
+    Scraper->>Edge: Extrahiere relevante API-Daten (DOM Scraping)
+    Edge-->>Scraper: Rohdaten (Deprecated APIs List)
+    
+    Scraper->>Edge: Schließe Browser-Instanz
+    deactivate Edge
+    
+    Scraper-->>Compare: Strukturierte Liste veralteter APIs
+    deactivate Scraper
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diff --git a/doc/sequence_phase_2.mmd b/doc/sequence_phase_2.mmd
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+sequenceDiagram
+    autonumber
+    actor Dev as Entwickler / Client
+    participant API as FastAPI Server<br/>(API/fastAPI.py)
+    participant Compare as Endpoint Compare<br/>(API/endpoint_compare.py)
+    participant Data as Datenablage<br/>(Ergebnis aus Phase 1)
+
+    Note over Dev, API: Phase 2: API Request & Vergleich
+
+    Dev->>API: API-Anfrage (z.B. Liste der genutzten Endpunkte)
+    activate API
+    
+    API->>Compare: Aufruf compare_string(genutzte_endpunkte)
+    activate Compare
+    
+    Compare->>Data: Lade aktualisierte Deprecation-Liste
+    activate Data
+    Note right of Data: Greift auf die Daten zu,<br/>die der Scraper<br/>zuvor gespeichert hat.
+    Data-->>Compare: Strukturierte Liste veralteter APIs
+    deactivate Data
+    
+    Note right of Compare: Logischer Abgleich:<br/>Welche genutzten APIs<br/>stehen auf der Deprecation-Liste?
+    
+    Compare-->>API: Vergleichsergebnis (Matches, Warnungen etc.)
+    deactivate Compare
+    
+    API-->>Dev: HTTP 200 OK (JSON Response)
+    deactivate API
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