diff --git a/.env.example b/.env.example
index 7b393e6..dfb7b46 100644
--- a/.env.example
+++ b/.env.example
@@ -2,34 +2,51 @@
 # ForensicPathways Environment Configuration
 # ===========================================
 
-# Authentication & OIDC (Required)
-AUTH_SECRET=change-this-to-a-strong-secret-key-in-production
+# === Authentication Configuration ===
+AUTHENTICATION_NECESSARY=false
+AUTHENTICATION_NECESSARY_CONTRIBUTIONS=false
+AUTHENTICATION_NECESSARY_AI=false
+AUTH_SECRET=your-secret-key-change-in-production
+
+# OIDC Configuration (if authentication enabled)
 OIDC_ENDPOINT=https://your-oidc-provider.com
-OIDC_CLIENT_ID=your-oidc-client-id
-OIDC_CLIENT_SECRET=your-oidc-client-secret
+OIDC_CLIENT_ID=your-client-id
+OIDC_CLIENT_SECRET=your-client-secret
 
-# Auth Scopes - set to true in prod
-AUTHENTICATION_NECESSARY_CONTRIBUTIONS=true
-AUTHENTICATION_NECESSARY_AI=true
+# === AI Configuration ===
 
-# Application Configuration (Required)
-PUBLIC_BASE_URL=https://your-domain.com
-NODE_ENV=production
+# Selector AI (for selection stage, choode a good model) 
+AI_SELECTOR_ENDPOINT=https://llm.mikoshi.de
+AI_SELECTOR_API_KEY=sk-DzREDACTEDHA
+AI_SELECTOR_MODEL=mistral/mistral-medium-latest
 
-# AI Service Configuration (Required for AI features)
-AI_MODEL=mistral-large-latest
-AI_API_ENDPOINT=https://api.mistral.ai
-AI_API_KEY=your-mistral-api-key
-AI_RATE_LIMIT_DELAY_MS=1000
+# Analyzer AI (for analysis stage, choose a smaller model)
+AI_ANALYZER_ENDPOINT=https://llm.mikoshi.de
+AI_ANALYZER_API_KEY=sk-DzREDACTEDnHA
+AI_ANALYZER_MODEL=mistral/mistral-small-latest
 
-# Git Integration (Required for contributions)
-GIT_REPO_URL=https://git.cc24.dev/mstoeck3/forensic-pathways
-GIT_PROVIDER=gitea
-GIT_API_ENDPOINT=https://git.cc24.dev/api/v1
-GIT_API_TOKEN=your-git-api-token
+# === Embeddings Configuration ===
+# Enable/disable semantic embeddings pre-selection
+AI_EMBEDDINGS_ENABLED=true
 
-# File Upload Configuration (Optional)
-LOCAL_UPLOAD_PATH=./public/uploads
+# Embeddings API (Mistral recommended)
+AI_EMBEDDINGS_ENDPOINT=https://api.mistral.ai/v1/embeddings
+AI_EMBEDDINGS_API_KEY=ZSpREDACTED3wL
+AI_EMBEDDINGS_MODEL=mistral-embed
+
+# Embeddings performance settings
+AI_EMBEDDINGS_BATCH_SIZE=20
+AI_EMBEDDINGS_BATCH_DELAY_MS=1000
+AI_EMBEDDING_CANDIDATES=30
+AI_SIMILARITY_THRESHOLD=0.3
+
+# === AI Processing Configuration ===
+AI_MAX_SELECTED_ITEMS=15
+AI_RATE_LIMIT_DELAY_MS=2000
+
+# === Application Configuration ===
+PUBLIC_BASE_URL=http://localhost:4321
+NODE_ENV=development
 
 # Nextcloud Integration (Optional)
 NEXTCLOUD_ENDPOINT=https://your-nextcloud.com