refactor(agent-core-v2): align xstate machine naming with command/fact/streaming conventions - #3635

{ "workflowData": { "owner": "MoonshotAI", "repo": "kimi-code", "sha": "ac455887b77b84e3ef35a5597201663750fbb3cb", "ref": "3635", "headBranch": null }, "key": "qiHaH9jhAv", "runId": 34182760828, "webhookDebug": { "action": "requested", "head_branch": "refact-162-09-08-xstate-event-naming", "head_repository_full_name": "sailist/kimi-code", "full_name": "MoonshotAI/kimi-code", "isPullRequest": true, "prNumber": 3635, "prNumberType": "number", "isNewPullRequest": true, "isOldPullRequest": false, "prKey": "sailist/kimi-code:refact-162-09-08-xstate-event-naming", "oldPrDataHash": "cyTSPPN5g4", "lookupKey": "sailist/kimi-code:refact-162-09-08-xstate-event-naming", "data": { "owner": "MoonshotAI", "repo": "kimi-code", "sha": "ac455887b77b84e3ef35a5597201663750fbb3cb", "ref": "3635", "headBranch": null } }, "currentCursor": null, "pkgPrNewVersion": "0.0.75" }