fix: linux dev workflow

.air.toml

@@ -2,8 +2,8 @@ root = "."
 tmp_dir = "tmp"
 
 [build]
-  cmd = "go build -tags nofrontend -o ./tmp/renewcms.exe ./cmd/server"
-  bin = "tmp/renewcms.exe"
+  cmd = "go build -tags nofrontend -o ./tmp/renewcms ./cmd/server"
+  bin = "tmp/renewcms"
   delay = 500
   exclude_dir = ["tmp", "bin", "data", "web", "features", "docs", "internal/infrastructure/assets/dist", ".claude"]
   exclude_regex = ["_test.go"]