fix: rebuild abbreviation 自动从 hostname 推导 flake attr

hostname awesome-mac-mini → flake attr mac-mini
hostname awesome-macbook-air → flake attr macbook-air
WSL 硬编码 #wsl（唯一 NixOS host）

.sisyphus/ralph-loop.local.md

@@ -2,11 +2,13 @@
 active: true
 iteration: 3
 max_iterations: 500
-completion_promise: "DONE"
+completion_promise: "VERIFIED"
 initial_completion_promise: "DONE"
+verification_attempt_id: "89113c03-711f-4bdb-a42c-710b7726f431"
 started_at: "2026-04-10T15:59:34.105Z"
 session_id: "ses_28863d32affeOW6Iiz2415uZSk"
 ultrawork: true
+verification_pending: true
 strategy: "continue"
 message_count_at_start: 191
 ---

home/shell/fish.nix

@@ -41,11 +41,12 @@
       # Sudo: double Escape to prepend sudo
       bind \e\e 'fish_commandline_prepend sudo'
 
-      # Platform-specific rebuild command
+      # Platform-specific rebuild command (derive flake attr from hostname)
       if test (uname) = Darwin
-        abbr --add rebuild "sudo darwin-rebuild switch --flake ~/Developer/nix-config"
+        set -l attr (scutil --get LocalHostName | string lower | string replace 'awesome-' '')
+        abbr --add rebuild "sudo darwin-rebuild switch --flake ~/Developer/nix-config#$attr"
       else
-        abbr --add rebuild "sudo nixos-rebuild switch --flake ~/Developer/nix-config"
+        abbr --add rebuild "sudo nixos-rebuild switch --flake ~/Developer/nix-config#wsl"
       end
 
       # WSL clipboard