Add complete Crumbforest mission system

- Interactive mission selector with metadata-driven design
- 5 educational missions (basics + advanced)
- AI assistant roles (Deepbit, Bugsy, Schnippsi, Tobi)
- SnakeCam gesture recognition system
- Token tracking utilities
- CLAUDE.md documentation
- .gitignore for logs and secrets

snake_camera_vision/app.py

@@ -0,0 +1,52 @@
+from flask import Flask, render_template, Response, request, redirect
+import cv2
+import json
+from datetime import datetime
+
+app = Flask(__name__)
+
+def gen_frames():
+    cam = cv2.VideoCapture(0)
+    if not cam.isOpened():
+        print("[WARNUNG] Kamera konnte nicht geöffnet werden.")
+        return
+
+    try:
+        while True:
+            success, frame = cam.read()
+            if not success:
+                break
+            ret, buffer = cv2.imencode('.jpg', frame)
+            frame = buffer.tobytes()
+            yield (b'--frame\r\n'
+                   b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n')
+    finally:
+        cam.release()
+        print("[info] Kamera wurde sauber freigegeben.")
+
+@app.route('/')
+def index():
+    return render_template('index.html')
+
+@app.route('/video_feed')
+def video_feed():
+    return Response(gen_frames(), mimetype='multipart/x-mixed-replace; boundary=frame')
+
+@app.route('/log_answer', methods=['POST'])
+def log_answer():
+    user_input = request.form.get('antwort', 'nichts gesagt')
+    mood = request.form.get('mood', 'unspecified')
+    gesture = request.form.get('gesture', 'none')
+    timestamp = datetime.now().isoformat()
+
+    log_entry = {
+        'timestamp': timestamp,
+        'antwort': user_input,
+        'mood': mood,
+        'gesture': gesture
+    }
+
+    with open("snake_log.jsonl", "a") as log_file:
+        log_file.write(json.dumps(log_entry) + "\n")
+
+    return redirect("/")