Add host mode support and reference sheet restrictions

- Add `jv account as host/<ACCOUNT_NAME>` command for host mode
- Display host mode status in `jv here` and `jv status`
- Add reference sheet read-only mode hints and restrictions
- Show host mode capabilities and warnings in status output
- Prevent structural changes in reference sheets for non-hosts

2 files changed, 82 insertions, 6 deletions

diff --git a/locales/help_docs/en.yml b/locales/help_docs/en.yml
index 31544ef..ac8dc8c 100644
--- a/locales/help_docs/en.yml
+++ b/locales/help_docs/en.yml
@@ -287,6 +287,7 @@ jv:
     **Usage**:
     jv account list - List all accounts on this computer and whether private keys are registered
     jv account as <ACCOUNT_NAME> - Switch current account
+    jv account as host/<ACCOUNT_NAME> - Switch to account in Host mode
     jv account add <ACCOUNT_NAME> - Add an account to this computer
     jv account remove <ACCOUNT_NAME> - Delete this account
     jv account movekey <ACCOUNT_NAME> <PRIVATE_KEY_FILE> - Move private key to specified account
@@ -502,9 +503,6 @@ jv:
           Sheet `%{sheet_name}` is no holder. Take ownership?
           If not, use a different name to create a sheet.
 
-        restore_ref: |
-          You can't just grab the reference sheet, it's the team's shared structure! :)
-
       drop: |
         Are you sure you want to drop sheet `%{sheet_name}`?
         After this, you will not be able to work in the sheet!
@@ -711,6 +709,10 @@ jv:
   success:
     account:
       as: Successfully switched this workspace's account to `%{account}`
+      as_host: |
+        Switched to account: `host/%{account}`
+        If the Host identity is recognized by the upstream vault, you can control all sheets and mappings.
+        Please remember: "*With great power comes great responsibility*"
       add: Successfully added account `%{account}`!
       remove: Successfully removed account `%{account}`!
       list:
@@ -879,6 +881,9 @@ jv:
         In sheet %{sheet_name}, status based on %{h} hours %{m} minutes %{s} seconds ago
         Your workspace is synchronized with upstream, you can proceed with structural and content editing based on this state!
 
+      no_changes_in_reference_sheet: |
+        In sheet %{sheet_name}, status based on %{h} hours %{m} minutes %{s} seconds ago
+
       created_item: |
         +   Created:         %{path}
 
@@ -908,8 +913,41 @@ jv:
       no_file_modifications: |
         No modifications
 
+      hint_in_reference_sheet: |
+        You are accessing the **reference sheet** in **read-only** mode
+        You can view file content, share visibility, and modify holding rights
+        But you cannot modify the structure or submit content
+
+      hint_as_host: |
+        You are in Host mode.
+        In this mode, you are the final interpreter of vault structure and version progression.
+        Your operations will directly affect others' work status, and may not be reversible.
+
+        **Structure Maintenance**
+        1. You can use `jv align` or `jv move` to edit the reference sheet structure
+        2. You can use `jv make` to create new reference sheets,
+           or convert an unheld sheet into a reference sheet
+
+        **Status Arbitration**
+        3. You can use `jv throw` to forcibly discard everyone's edit rights
+        4. You can use `jv drop` to forcibly discard others' sheets
+
+        **Fact Advancement**
+        5. You can directly use `jv track` in any sheet to advance file versions
+
+        [[red]]**Please remember**: Host is not administrator mode,
+        but the ultimate bearer of others' structure, history, and interpretive rights.
+        Every operation you perform will become a fact that others must accept.[[/]]
+
   result:
     common:
+      not_allowed_in_reference_sheet: |
+        This operation is not allowed in the reference sheet!
+        You cannot make any structural changes to the reference sheet
+        because you are not the maintainer of the reference sheet.
+
+        **Tip**: If you have local moves that need to be aligned,
+        use `jv align moved remote` to revert the moves.
       authroize_failed: |
         Authentication failed: %{err}!
       unknown: |
diff --git a/locales/help_docs/zh-CN.yml b/locales/help_docs/zh-CN.yml
index 1bafb1a..ffa566d 100644
--- a/locales/help_docs/zh-CN.yml
+++ b/locales/help_docs/zh-CN.yml
@@ -279,6 +279,7 @@ jv:
     **用法**：
     jv account list - 列出该计算机所有的账户，以及是否注册私钥
     jv account as <账户名称> - 切换当前账户
+    jv account as host/<账户名称> - 以 Host 模式切换账户
     jv account add <账户名称> - 为当前计算机添加账户
     jv account remove <账户名称> - 删除该账户
     jv account movekey <账户名称> <私钥文件> - 移动私钥到指定账户
@@ -307,6 +308,7 @@ jv:
     对于移动项：
     jv sheet align <项> [local/remote] - 对齐指定移动项
     jv sheet align moved [local/remote] - 对齐所有移动项
+    jv sheet align moved break - 断开所有移动项
 
     对于丢失项：
     jv sheet align <项> <创建项> - 指向创建项，以确认移动
@@ -491,9 +493,6 @@ jv:
           似乎 `%{sheet_name}` 是一张无人认领的表，是否拿到它的所有权？
           如果您不想拿到该表，请使用别的名称建立表
 
-        restore_ref: |
-          您不能直接拿到参照表，它是团队的公共结构 :)
-
       drop: |
         是否要放弃表 `%{sheet_name}` 的所有权，此后，您将无法在表中工作！
 
@@ -701,6 +700,10 @@ jv:
   success:
     account:
       as: 成功将此工作区的账户切换至 `%{account}`
+      as_host: |
+        切换到账户：`host/%{account}`
+        若 Host 身份受上游库认可，便可控制所有的表、映射
+        请牢记："*能力越大，责任越大*"
       add: 成功添加账户 `%{account}`！
       remove: 成功删除账户 `%{account}`！
       list:
@@ -870,6 +873,9 @@ jv:
         所在表 %{sheet_name}，状态基于 %{h} 小时 %{m} 分钟 %{s} 秒前
         您的工作区与上游保持同步，可基于该状态进行结构、内容的编辑！
 
+      no_changes_in_reference_sheet: |
+        所在表 %{sheet_name}，状态基于 %{h} 小时 %{m} 分钟 %{s} 秒前
+
       created_item: |
         +   创建：      %{path}
 
@@ -899,8 +905,40 @@ jv:
       no_file_modifications: |
         本地无内容修改
 
+      hint_in_reference_sheet: |
+        您正在以**只读模式**访问**参考表**
+        您可以查看文件内容、分享可见性、修改持有权
+        但无法修改结构或提交内容
+
+      hint_as_host: |
+        [[yellow]]您正处于 Host 模式。[[/]]
+        在此模式下，您将作为仓库结构与版本推进的最终解释者，
+        您的操作将直接影响他人的工作状态，且不一定可逆。
+
+        **结构维护**
+        1. 您可以使用 `jv align` 或 `jv move` 编辑参考表结构
+        2. 您可以使用 `jv make` 创建新的参考表，
+           或将某张无人持有的表转换为参考表
+
+        **状态裁决**
+        3. 您可以使用 `jv throw` 强制收回所有人的编辑权
+        4. 您可以使用 `jv drop` 强制丢弃其他人的表
+
+        **事实推进**
+        5. 您可以在任何表中使用 `jv track` 推进文件版本
+
+        [[red]]**请牢记**：Host 并非 管理员模式，
+        而是对他人结构、历史与解释权的最终承担者。
+        您的每一次操作，都会成为他人必须接受的事实。[[/]]
+
   result:
     common:
+      not_allowed_in_reference_sheet: |
+        不允许在参考表中执行此操作！
+        您不能对参考表进行任何结构更改，因为您并非参考表的维护者
+
+        **提示**：若您在本地产生了移动需要对齐，
+        使用 `jv align moved remote` 还原移动
       authroize_failed: 身份认证失败：%{err}！
       unknown: |
         未知结果！