chore: remove remaining QuoteForge/qfs references

config.example.yaml

@@ -12,7 +12,7 @@ database:
   host: "localhost"
   port: 3306
   name: "RFQ_LOG"
-  user: "quoteforge"
+  user: "priceforge"
   password: "CHANGE_ME"
   max_open_conns: 25
   max_idle_conns: 5
@@ -33,7 +33,7 @@ pricing:
   popularity_decay_days: 180
 
 export:
-  temp_dir: "/tmp/quoteforge-exports"
+  temp_dir: "/tmp/priceforge-exports"
   max_file_age: "1h"
   company_name: "Your Company Name"
 
@@ -49,10 +49,10 @@ notifications:
   smtp_port: 587
   smtp_user: ""
   smtp_password: ""
-  from_address: "quoteforge@example.com"
+  from_address: "priceforge@example.com"
 
 logging:
   level: "info"  # debug | info | warn | error
   format: "json" # json | text
   output: "stdout" # stdout | file
-  file_path: "/var/log/quoteforge/app.log"
+  file_path: "/var/log/priceforge/app.log"