SSH keys in account settings; wrappers for agents, terminal and git

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

server/src/tools/bash.rs

@@ -155,6 +155,7 @@ pub fn shell_command(ctx: &ToolCtx, command: &str) -> std::result::Result<Comman
                     c.env("GIT_CONFIG_GLOBAL", cfg);
                 }
                 c.envs(crate::gitcreds::identity_env(&ctx.app, &u.id));
+                c.envs(crate::sshkeys::env(&ctx.app, &u));
             }
             c
         }