feat(agent-team): add Agent Teams 0.5.5-rc.1 with shared tasks and Lead inbox

external_plugins/agent-team/.mcp.json

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+{
+  "mcpServers": {
+    "team-daemon": {
+      "type": "stdio",
+      "command": "node",
+      "args": [
+        "${ZCODE_PLUGIN_ROOT}/runtime/team-daemon.mjs"
+      ],
+      "cwd": "${ZCODE_PROJECT_DIR}",
+      "env": {
+        "TEAM_PLUGIN_DATA": "${ZCODE_PLUGIN_DATA}",
+        "TEAM_PROJECT_DIR": "${ZCODE_PROJECT_DIR}",
+        "TEAM_PLUGIN_ROOT": "${ZCODE_PLUGIN_ROOT}",
+        "TEAM_MAX_MEMBERS": "${user_config.maxMembers}",
+        "TEAM_MAX_TASKS": "${user_config.maxTasks}",
+        "TEAM_MAX_MESSAGE_BYTES": "${user_config.maxMessageBytes}",
+        "TEAM_DISPOSAL_TIMEOUT_MS": "${user_config.disposalTimeoutMs}",
+        "TEAM_INTERRUPT": "${user_config.interrupt}",
+        "TEAM_LEAD_MODE": "${user_config.leadMode}"
+      },
+      "timeoutMs": 3600000
+    }
+  }
+}

external_plugins/agent-team/.zcode-plugin/plugin.json

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+{
+  "name": "agent-team",
+  "version": "0.5.5-rc.1",
+  "description": "智能体团队：在会话中创建并协调多个 teammate 子会话、共享任务板与成员消息。",
+  "description_i18n": {
+    "en": "Agent Teams: spawn and coordinate teammate sessions with a shared task board and member messaging.",
+    "zh-CN": "智能体团队：在会话中创建并协调多个 teammate 子会话、共享任务板与成员消息。"
+  },
+  "author": {
+    "name": "Vincent Zuo",
+    "url": "https://github.com/Vincent-chk"
+  },
+  "license": "MIT",
+  "userConfig": {
+    "maxMembers": {
+      "title": "最大成员数",
+      "description": "团队内 teammate 数量上限（不含 Lead；含 failed）。",
+      "type": "number",
+      "default": 8
+    },
+    "maxTasks": {
+      "title": "最大任务数",
+      "description": "任务板任务数量上限。",
+      "type": "number",
+      "default": 256
+    },
+    "maxMessageBytes": {
+      "title": "单条消息字节上限",
+      "description": "成员间单条消息的最大字节数。",
+      "type": "number",
+      "default": 65536
+    },
+    "disposalTimeoutMs": {
+      "title": "处置超时（毫秒）",
+      "description": "团队处置（teammate 结算与回收）的超时时间。",
+      "type": "number",
+      "default": 5000
+    },
+    "interrupt": {
+      "title": "启用 interrupt_agent 工具",
+      "description": "关闭后团队成员只拿到 8 个工具（interrupt_agent 不注册）；域 API 仍可用。",
+      "type": "boolean",
+      "default": true
+    },
+    "leadMode": {
+      "title": "Lead 模式",
+      "description": "off：完全关闭智能体团队（不注入团队上下文、不注册团队工具）；auto（默认）：按需委派——建队前默认单 agent 直接处理，建队后按委派价值判断是否走团队流程；always：始终主动编排（自主拆活/组队/分派/独立验收）。旧值 orchestrator/collaborator 将按 auto 处理。取值：off、auto 或 always。",
+      "type": "string",
+      "default": "auto"
+    }
+  },
+  "skills": "skills",
+  "commands": "commands",
+  "hooks": "hooks/hooks.json",
+  "ui": {
+    "surfaces": [
+      {
+        "id": "agent-team-panel",
+        "title": {
+          "zh-CN": "智能体团队",
+          "en": "Agent Team"
+        },
+        "icon": "users",
+        "server": "team-daemon",
+        "resourceUri": "ui://agent-team/team-panel.html",
+        "availability": "session"
+      }
+    ]
+  }
+}

external_plugins/agent-team/LICENSE

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+MIT License
+
+Copyright (c) 2026 agent-team-poc
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.