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_v2/app.py

@@ -0,0 +1,73 @@
+# -*- coding: utf-8 -*-
+from flask import Flask, render_template, Response, request, redirect, url_for
+import cv2
+import json
+from datetime import datetime
+from gestures.gestures_debug_test import detect_hand_gesture
+
+app = Flask(__name__)
+
+# Kamera initialisieren
+cam = cv2.VideoCapture(0)
+cam.set(cv2.CAP_PROP_FRAME_WIDTH, 320)
+cam.set(cv2.CAP_PROP_FRAME_HEIGHT, 240)
+
+def gen_frames():
+    while True:
+        success, frame = cam.read()
+        if not success:
+            print("[error] Kein Kamerabild.")
+            break
+
+        # Optional spiegeln (für Selfie-Effekt)
+        frame = cv2.flip(frame, 1)
+
+        # Geste erkennen + ROI anzeigen
+        gesture, roi_coords = detect_hand_gesture(frame)
+        x, y, w, h = roi_coords
+
+        # Rechteck einzeichnen
+        cv2.rectangle(frame, (x, y), (x + w, y + h), (255, 0, 0), 2)
+        cv2.putText(frame, f"Geste: {gesture}", (10, 30), cv2.FONT_HERSHEY_SIMPLEX, 0.6, (0, 255, 0), 2)
+
+        # MJPEG-Streaming
+        ret, buffer = cv2.imencode('.jpg', frame)
+        frame_bytes = buffer.tobytes()
+        yield (b'--frame\r\n'
+               b'Content-Type: image/jpeg\r\n\r\n' + frame_bytes + b'\r\n')
+
+@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():
+    answer = request.form.get("antwort", "").strip()
+    mood = request.form.get("mood", "neutral")
+    gesture = request.form.get("gesture", "none")
+
+    log_entry = {
+        "timestamp": datetime.now().isoformat(),
+        "antwort": answer,
+        "mood": mood,
+        "gesture": gesture
+    }
+    with open("snake_log.jsonl", "a") as logfile:
+        logfile.write(json.dumps(log_entry) + "\n")
+    print(f"[log] Eingeloggt: {log_entry}")
+    return redirect(url_for('index'))
+
+@app.route('/shutdown')
+def shutdown():
+    cam.release()
+    print("[info] Kamera wurde sauber freigegeben.")
+    return "Kamera freigegeben."
+
+if __name__ == '__main__':
+    print("Starte SnakeCam ...")
+    app.run(host='0.0.0.0')