Disable Claude co-attribution in commits/PRs (#4788)

* Initial plan

* Add chat.claudeAgent.includeCoAuthoredBy setting to control Claude co-attribution

Agent-Logs-Url: https://github.com/microsoft/vscode-copilot-chat/sessions/1249d941-2976-42db-8fd6-db5b00625865

Co-authored-by: pierceboggan <1091304+pierceboggan@users.noreply.github.com>

* Fix NLS description formatting for includeCoAuthoredBy setting

Agent-Logs-Url: https://github.com/microsoft/vscode-copilot-chat/sessions/1249d941-2976-42db-8fd6-db5b00625865

Co-authored-by: pierceboggan <1091304+pierceboggan@users.noreply.github.com>

* Hardcode includeCoAuthoredBy: false instead of adding a user setting

Agent-Logs-Url: https://github.com/microsoft/vscode-copilot-chat/sessions/b52d23f0-a148-444e-82e9-0e9e736ab8e5

Co-authored-by: pierceboggan <1091304+pierceboggan@users.noreply.github.com>

* Use attribution API instead of deprecated includeCoAuthoredBy

Agent-Logs-Url: https://github.com/microsoft/vscode-copilot-chat/sessions/07ad67f8-4840-4f73-b94b-636c09541fea

Co-authored-by: TylerLeonhardt <2644648+TylerLeonhardt@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: pierceboggan <1091304+pierceboggan@users.noreply.github.com>
Co-authored-by: TylerLeonhardt <2644648+TylerLeonhardt@users.noreply.github.com>
Co-authored-by: Pierce Boggan <pierceboggan14@gmail.com>

Author: 3 people

src/extension/chatSessions/claude/node/claudeCodeAgent.ts

@@ -448,6 +448,10 @@ export class ClaudeCodeSession extends Disposable {
 					USE_BUILTIN_RIPGREP: '0',
 					PATH: `${this.envService.appRoot}/node_modules/@vscode/ripgrep/bin${pathSep}${process.env.PATH}`
 				},
+				attribution: {
+					commit: '',
+					pr: '',
+				},
 			},
 			canUseTool: async (name, input) => {
 				if (!this._currentRequest) {