Add license and fingerprint API hook (#13548)

### What problem does this PR solve?

For EE

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

admin/client/parser.py

@@ -93,6 +93,9 @@ sql_command: login_user
            | list_chat_sessions
            | chat_on_session
            | list_server_configs
+           | show_fingerprint
+           | set_license
+           | show_license
            | benchmark
 
 // meta command definition
@@ -178,6 +181,8 @@ PING: "PING"i
 SESSION: "SESSION"i
 SESSIONS: "SESSIONS"i
 SERVER: "SERVER"i
+FINGERPRINT: "FINGERPRINT"i
+LICENSE: "LICENSE"i
 
 login_user: LOGIN USER quoted_string ";"
 list_services: LIST SERVICES ";"
@@ -223,6 +228,10 @@ list_variables: LIST VARS ";"
 list_configs: LIST CONFIGS ";"
 list_environments: LIST ENVS ";"
 
+show_fingerprint: SHOW FINGERPRINT ";"
+set_license: SET LICENSE quoted_string ";"
+show_license: SHOW LICENSE ";"
+
 list_server_configs: LIST SERVER CONFIGS ";"
 
 benchmark: BENCHMARK NUMBER NUMBER user_statement
@@ -477,6 +486,16 @@ class RAGFlowCLITransformer(Transformer):
     def list_environments(self, items):
         return {"type": "list_environments"}
 
+    def show_fingerprint(self, items):
+        return {"type": "show_fingerprint"}
+
+    def set_license(self, items):
+        license = items[2].children[0].strip("'\"")
+        return {"type": "set_license", "license": license}
+
+    def show_license(self, items):
+        return {"type": "show_license"}
+
     def list_server_configs(self, items):
         return {"type": "list_server_configs"}