docs: update README, deployment guide, and dashboard docs

deployment.md

@@ -118,6 +118,9 @@ default_model = "grok-beta"
 ```
 
 ## Nginx Reverse Proxy Configuration
+
+**Important for SSE/Streaming:** Disable buffering and configure timeouts for proper SSE support.
+
 ```nginx
 server {
     listen 80;
@@ -126,12 +129,22 @@ server {
     location / {
         proxy_pass http://localhost:8080;
         proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection 'upgrade';
-        proxy_set_header Host $host;
-        proxy_cache_bypass $http_upgrade;
         
-        # WebSocket support
+        # SSE/Streaming support
+        proxy_buffering off;
+        chunked_transfer_encoding on;
+        proxy_set_header Connection '';
+        
+        # Timeouts for long-running streams
+        proxy_connect_timeout 7200s;
+        proxy_read_timeout 7200s;
+        proxy_send_timeout 7200s;
+        
+        # Disable gzip for streaming
+        gzip off;
+        
+        # Headers
+        proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
@@ -144,6 +157,21 @@ server {
 }
 ```
 
+### NGINX Proxy Manager
+
+If using NGINX Proxy Manager, add this to **Advanced Settings**:
+
+```nginx
+proxy_buffering off;
+proxy_http_version 1.1;
+proxy_set_header Connection '';
+chunked_transfer_encoding on;
+proxy_connect_timeout 7200s;
+proxy_read_timeout 7200s;
+proxy_send_timeout 7200s;
+gzip off;
+```
+
 ## Security Considerations
 
 ### 1. Authentication