fix(inclusive-language): replace blacklist terminology with denylist

- Replace blacklisted_tools configuration key and comments in config/artemis.jsonc and README.md with denylisted_tools
- Update AgentGlobalConfig and AgentConfig with denylisted_tools and validation aliases
- Update AgentConfigBuilder and Explorer agent to use denylist conventions
- Update Admin Console replay manager and data engine trace filters
- Update all associated test suites and mock configurations
- Add license headers and clean up test imports

LICENSE

@@ -1,7 +1,7 @@
 
                                  Apache License
                            Version 2.0, January 2004
-                        https://www.apache.org/licenses/
+                        http://www.apache.org/licenses/
 
    TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 
@@ -187,16 +187,16 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2026 Google LLC.
+   Copyright [yyyy] [name of copyright owner]
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
 
-       https://www.apache.org/licenses/LICENSE-2.0
+       http://www.apache.org/licenses/LICENSE-2.0
 
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
-   limitations under the License.
+   limitations under the License.