fix(apis): intermediate improvements ...

... it shows that the override I used previously won't work for `admin`.
Therefore we have to keep the actual value, instead of degenrating it.

Makes sense ... it's interesting how much one tends to hard-code things
to work just for a few cases, unless you opt in to see the whole picture

src/mako/lib/lib.mako

@@ -11,7 +11,8 @@
 <%
     # fr == fattest resource, the fatter, the more important, right ?
     fr = None
-    fr = sorted(schemas.values(), key=lambda s: (len(c.sta_map.get(s.id, [])), len(s.get('properties', []))), reverse=True)[0]
+    if schemas:
+        fr = sorted(schemas.values(), key=lambda s: (len(c.sta_map.get(s.id, [])), len(s.get('properties', []))), reverse=True)[0]
 %>\
 # Features
 
@@ -62,6 +63,7 @@ Generally speaking, you can invoke *Activities* like this:
 let r = hub.resource().activity(...).${api.terms.action}()
 ```
 
+% if fr:
 Or specifically ...
 
 ```ignore
@@ -70,6 +72,7 @@ Or specifically ...
 let r = hub.${mangle_ident(resource)}().${mangle_ident(activity)}(...).${api.terms.action}()
 % endfor
 ```
+% endif
 
 The `resource()` and `activity(...)` calls create [builders][builder-pattern]. The second one dealing with `Activities` 
 supports various methods to configure the impending operation (not shown here). It is made such that all required arguments have to be 

src/mako/lib/mbuild.mako

@@ -32,7 +32,7 @@
 <%def name="new(resource, method, c)">\
 <% 
     hub_type_name = hub_type(util.canonical_name())
-    m = c.fqan_map[to_fqan(name, resource, method)]
+    m = c.fqan_map[to_fqan(activity_root or name, resource, method)]
     # an identifier for a property. We prefix them to prevent clashes with the setters
     mb_tparams = mb_type_params_s(m)
     ThisType = mb_type(resource, method) + mb_tparams

src/mako/lib/rbuild.mako

@@ -51,7 +51,7 @@ impl${rb_params} ResourceMethodsBuilder for ${ThisType} {}
 impl${rb_params} ${ThisType} {
     % for a in c.rta_map[resource]:
 <%
-    m = c.fqan_map[to_fqan(name, resource, a)]
+    m = c.fqan_map[to_fqan(activity_root or name, resource, a)]
     RType = mb_type(resource, a)
 
     # skip part if we have a request resource. Only resources can have parts

src/mako/lib/util.py

@@ -531,6 +531,8 @@ Context = collections.namedtuple('Context', ['sta_map', 'fqan_map', 'rta_map'])
 
 # return a newly build context from the given data
 def new_context(resources):
+    if not resources:
+        return Context(dict(), dict(), dict())
     # Returns (A, B) where
     # A: { SchemaTypeName -> { fqan -> ['request'|'response', ...]}
     # B: { fqan -> activity_method_data }