[FIX] tab2: deactivate methods whose resource is unchecked in the Tab 1 popover, fix status display (red) and hint text

tabs/tab2_constraints.py

@@ -48,7 +48,12 @@ def get_all_missing_required(m, cost_sliders_norm):
     OR if a custom batch with group == r is assigned to m — a custom batch
     substitutes for its reference resource regardless of whether that resource
     is a generic "Other X" (hidden) one or a specifically named standard one
-    (e.g. a "Basalt A" batch referencing "Basalt mineral").
+    (e.g. a "Basalt A" batch referencing "Basalt mineral"). A resource the user
+    has explicitly disabled for this method via the "Related CDR Methods"
+    popover (Tab 1) is treated as missing too, unless a custom batch covers it —
+    otherwise tab4 silently zeroes its coefficient (via enabled_methods) while
+    this tab still reports the method as active, a discrepancy that can lead to
+    "No active methods" once every resource of a method is disabled this way.
     Secondary resources and resources with median <= 0 are excluded.
 
     Returns:
@@ -56,6 +61,7 @@ def get_all_missing_required(m, cost_sliders_norm):
     """
     resource_caps = st.session_state.get("resource_caps", {})
     custom_resources = st.session_state.get("custom_resources", [])
+    enabled_methods = st.session_state.get("enabled_methods", {})
     covered_by_batch = {
         b["group"] for b in custom_resources
         if m in b.get("methods", {})
@@ -70,6 +76,8 @@ def get_all_missing_required(m, cost_sliders_norm):
             continue
         if resource_caps.get(r, 0.0) <= 0:
             missing.append(r)
+        elif not enabled_methods.get(r, {}).get(m, True):
+            missing.append(r)
     return missing
 
 
@@ -115,12 +123,15 @@ def get_uncovered_hidden_resources(m, cost_sliders_norm):
 def _render_resource_status(m, cost_sliders_norm):
     """Render an expander showing all resources of method m with their availability status.
 
-    Standard resources: ✅ if cap > 0, ❌ if = 0.
+    Standard resources: ✅ if cap > 0 and not disabled for this method via the
+        "Related CDR Methods" popover (Tab 1), ❌ otherwise — unless a custom
+        batch covers it.
     Hidden resources:   ✅ if covered by a custom batch, ❌ if not.
     Secondary resources are shown in a separate section.
     """
     resource_caps   = st.session_state.get("resource_caps", {})
     custom_resources = st.session_state.get("custom_resources", [])
+    enabled_methods = st.session_state.get("enabled_methods", {})
     # Map resource group → list of batch names covering it for method m (any
     # named standard resource or hidden "Other X" resource can be substituted
     # by a custom batch referencing it).
@@ -143,9 +154,14 @@ def _render_resource_status(m, cost_sliders_norm):
             display_r = ", ".join(batch_names) if batch_names else r
             source = "Add as new resource in Resource inputs"
         else:
-            available = resource_caps.get(r, 0.0) > 0 or bool(batch_names)
+            disabled_for_method = not enabled_methods.get(r, {}).get(m, True)
+            available = (resource_caps.get(r, 0.0) > 0 and not disabled_for_method) or bool(batch_names)
             display_r = ", ".join(batch_names) if (not resource_caps.get(r, 0.0) > 0 and batch_names) else r
-            source = "Set quantity in Resource inputs"
+            source = (
+                "Re-enable this method in the Related CDR Methods popover (Resource inputs tab)"
+                if disabled_for_method and resource_caps.get(r, 0.0) > 0
+                else "Set quantity in Resource inputs"
+            )
 
         icon = "✅" if available else "❌"
         row = (icon, display_r, "" if available else source)