[codex] add MCP tools visibility management (#1170)

* feat(mcp): add tools visibility management

## Features
- Tools visibility modal with 3 modes: All, Include, Exclude
- 'Manage Tools' button on McpServerCard (enabled only when connected)
- 'Fetch Tools List' button to refresh available tools (raw mode)
- Responsive design for mobile (480px), tablet (768px), desktop (1280px)
- i18n translations for 9 languages (zh/en/zh-TW/ja/ko/de/es/fr/pt)

## Technical Details
- Add raw parameter to fetchMcpTools API for unfiltered tools
- Pass raw parameter through controller → bridgeMcpAction → client
- Backend _mcp_tools_list supports raw_mode to skip include/exclude filter
- 28 MCP unit tests pass (23 controller + 5 bridge action)

## Files Changed
- McpManagerView.vue: Tools visibility modal with mode selector
- McpServerCard.vue: Add manage tools button
- mcp.ts (client): Add raw parameter to fetchMcpTools
- mcp.ts (controller): Pass raw parameter to bridge
- mcp.ts (services): Pass raw parameter to client.mcpTools
- client.ts: Add raw parameter to mcpTools
- hermes_bridge.py: Support raw_mode in _mcp_tools_list
- 9 locale files: Add 14 translation keys each
- mcp-controller.test.ts: Add 3 new test cases
- bridge-mcp-action.test.ts: New test file for parameter passing

* Delete projects directory

chore: remove accidentally committed projects/ directory

* fix MCP tools visibility edge cases

* remove MCP docs screenshots

---------

Co-authored-by: Crafter-feng <succeed_happu@163.com>
Co-authored-by: Crafter-feng <37255449+Crafter-feng@users.noreply.github.com>

packages/client/src/components/hermes/mcp/McpServerCard.vue

@@ -15,6 +15,7 @@ const emit = defineEmits<{
   reload: [name: string]
   remove: [server: McpServerInfo]
   toggleEnabled: [server: McpServerInfo]
+  manageTools: [server: McpServerInfo]
 }>()
 
 const { t } = useI18n()
@@ -80,6 +81,7 @@ const MAX_VISIBLE_TOOLS = 20
     <div class="card-footer">
       <div class="card-actions">
         <NButton size="tiny" quaternary @click="emit('edit', server)">{{ t('mcp.edit') }}</NButton>
+        <NButton size="tiny" quaternary :disabled="!server.connected" @click="emit('manageTools', server)">{{ t('mcp.manageTools') }}</NButton>
         <NButton size="tiny" quaternary @click="emit('test', server)">{{ t('mcp.test') }}</NButton>
         <NButton size="tiny" quaternary @click="emit('reload', server.name)">{{ t('mcp.reload') }}</NButton>
         <NPopconfirm @positive-click="emit('remove', server)">