fix(hub): include Edit in default single-agent tools

Removing the claude_code preset dropped Edit. Unrestricted roles need it for
in-place file edits; write_file also grants Edit for restricted roles.

hub/src/agent/roleTools.ts

@@ -1,6 +1,7 @@
 export const DEFAULT_CLAUDE_BUILT_IN_TOOLS = [
   "Read",
   "Write",
+  "Edit",
   "Bash",
   "Glob",
   "Grep",
@@ -31,7 +32,7 @@ export interface ClaudeSdkToolConfig {
 
 const ROLE_TOOL_TO_CLAUDE_BUILT_INS: Readonly<Record<string, readonly string[]>> = {
   read_file: ["Read"],
-  write_file: ["Write"],
+  write_file: ["Write", "Edit"],
   list_files: ["Glob"],
   search_files: ["Grep"],
   bash: ["Bash"],
@@ -46,6 +47,7 @@ const ROLE_TOOL_TO_CLAUDE_BUILT_INS: Readonly<Record<string, readonly string[]>>
   TodoWrite: ["TodoWrite"],
   Read: ["Read"],
   Write: ["Write"],
+  Edit: ["Edit"],
   Bash: ["Bash"],
   Glob: ["Glob"],
   Grep: ["Grep"],