feat: Add Git page with branch selector, commit history, and diff viewer

Includes FileTree, CommitList, BranchSelector and DiffViewer components,
Git API routes, and mobile keyboard visibility handling for FAB buttons

frontend/src/services/toolRegistry.ts

@@ -21,13 +21,14 @@ import {
   createSourceCodeHandlers,
   createTerminalHandlers,
   createResponseHandlers,
+  createGitHandlers,
   type ToolConfig
 } from './tools/handlers'
 import { setRouter } from './tools/handlers/globalHandlers'
 import { setGiteaCredentials, clearGiteaCredentials } from './tools/handlers/sourceCodeHandlers'
 import { ALL_TOOL_METAS, getAllToolNames, type ToolCategory } from './tools/toolDefinitions'
 
-export type PageName = 'home' | 'canvas' | 'components' | 'themes' | 'projects' | 'project-canvas' | 'database' | 'source' | 'terminal' | 'tools'
+export type PageName = 'home' | 'canvas' | 'components' | 'themes' | 'projects' | 'project-canvas' | 'database' | 'source' | 'terminal' | 'tools' | 'git'
 
 // Internal webmcp functions (not exported for external use)
 let webmcpInstance: any = null
@@ -115,7 +116,8 @@ function getToolConfigs(): Map<string, ToolConfig> {
     ...createProjectCanvasHandlers(),
     ...createSourceCodeHandlers(),
     ...createTerminalHandlers(),
-    ...createResponseHandlers()
+    ...createResponseHandlers(),
+    ...createGitHandlers()
   ]
 
   for (const config of allHandlers) {
@@ -134,7 +136,8 @@ const categoryTools: Record<ToolCategory, string[]> = {
   database: ['list_tables', 'get_table_schema', 'get_table_data', 'get_database_stats', 'execute_query'],
   source: ['get_repo_info', 'list_repo_files', 'read_repo_file', 'search_repo_code'],
   project: ['list_canvases', 'create_canvas', 'get_canvas', 'update_canvas', 'delete_canvas', 'clone_canvas', 'add_component_to_canvas', 'remove_component_from_canvas', 'get_canvas_components'],
-  terminal: ['terminal_open', 'terminal_close', 'terminal_toggle', 'terminal_move', 'terminal_resize', 'bubbleResponse']
+  terminal: ['terminal_open', 'terminal_close', 'terminal_toggle', 'terminal_move', 'terminal_resize', 'bubbleResponse'],
+  git: ['get_git_status', 'get_git_diff', 'compare_commits', 'git_log', 'get_git_branches']
 }
 
 // Page to categories mapping
@@ -148,7 +151,8 @@ const pageCategories: Record<PageName, ToolCategory[]> = {
   database: ['global', 'database', 'terminal'],
   source: ['global', 'source', 'terminal'],
   terminal: ['global', 'terminal'],
-  tools: ['global', 'terminal']
+  tools: ['global', 'terminal'],
+  git: ['global', 'git', 'terminal']
 }
 
 let currentPage: PageName | null = null