fix(formatter): Fix FB call continuation indent

- Use correct continuation indent formula (base + fb_name_length + 2)
- Fix closing line of FB call to use continuation indent
- Parameters on continuation lines are now aligned

src/formatter.lua

@@ -78,8 +78,11 @@ function M.format_document(content, options)
   end
 
   local function get_continuation_indent()
-    -- Continuation is one additional indent level beyond current
-    return string.rep(indent_char, (indent_level + 1) * indent_size)
+    -- Continuation indent to align parameters
+    -- Aligns parameter name with position after FB name + opening paren
+    -- Formula: base indent + FB name length + 1 (for opening paren) + 1 (extra offset)
+    local base_indent = string.rep(indent_char, indent_level * indent_size)
+    return base_indent .. string.rep(" ", fb_name_length + 2)
   end
 
   local function get_keyword(line)
@@ -218,15 +221,18 @@ function M.format_document(content, options)
       -- Handle FB call continuation
       local formatted_line
       if in_fb_call then
-        -- Check if this ends the FB call
-        if not is_fb_call_inside(trimmed) then
+        -- Check if line ends an FB call (has closing paren without opening)
+        local has_closing = trimmed:match(".*%)")
+        if has_closing and not trimmed:match("%(") then
+          -- This line closes the FB call
           formatted_line = get_continuation_indent() .. trimmed
           in_fb_call = false
-        -- Check if this is a continuation line
+        -- Check if this is a continuation line (ends with ,)
         elseif is_fb_call_continuation(trimmed) then
           formatted_line = get_continuation_indent() .. trimmed
         else
-          formatted_line = get_indent() .. trimmed
+          -- Still inside FB call but not a continuation
+          formatted_line = get_continuation_indent() .. trimmed
         end
       else
         formatted_line = get_indent() .. trimmed