feat(apps): unify CLI apps and MCP (#3991)

* refactor(cli): load bundled apps from catalog

* feat(plugins): unify CLI and MCP settings

* feat(plugins): add settings category filter

* style(plugins): refine settings catalog

* refactor(cli): load nanobot apps from repo catalog

* feat(store): add capability store entry

* feat(apps): rename capability store

* fix(apps): verify clean app removal

* fix(apps): keep main sidebar on apps view

* feat(apps): add shared app manifest protocol

* fix(apps): dismiss app status message

* refactor(apps): move CLI adapter under apps

* refactor(apps): drop legacy cli apps package

webui/src/i18n/locales/en/common.json

@@ -63,7 +63,8 @@
     "language": {
       "label": "Language",
       "ariaLabel": "Change language"
-    }
+    },
+    "apps": "Apps"
   },
   "settings": {
     "backToChat": "Back to chat",
@@ -83,7 +84,8 @@
       "cliApps": "CLI Apps",
       "mcp": "MCP",
       "runtime": "Runtime",
-      "advanced": "Advanced"
+      "advanced": "Advanced",
+      "apps": "Apps"
     },
     "sections": {
       "interface": "Interface",
@@ -96,12 +98,13 @@
       "imageDefaults": "Defaults",
       "webSearch": "Web search",
       "webBehavior": "Behavior",
-      "cliApps": "CLI Apps",
-      "mcp": "MCP",
+      "cliApps": "CLI apps",
+      "mcp": "MCP services",
       "identity": "Identity",
       "safety": "Safety",
       "capabilities": "Capabilities",
-      "integrations": "Integrations"
+      "integrations": "Integrations",
+      "apps": "Apps"
     },
     "models": {
       "selectModel": "Select model",
@@ -380,6 +383,20 @@
       "selectSize": "Select size",
       "configureProvider": "Configure provider",
       "missingCredential": "Configure this provider before enabling image generation."
+    },
+    "apps": {
+      "description": "Add app CLIs and MCP services nanobot can use from chat.",
+      "cliLabel": "CLI",
+      "mcpLabel": "MCP",
+      "filterAll": "All",
+      "filterCli": "CLI apps",
+      "filterMcp": "MCP services",
+      "enabledSummary": "{{count}} enabled",
+      "caption": "{{cli}} CLI · {{mcp}} MCP",
+      "searchPlaceholder": "Search Apps",
+      "featured": "Featured",
+      "loading": "Loading Apps...",
+      "empty": "No apps match this filter."
     }
   },
   "chat": {
@@ -596,10 +613,10 @@
         }
       },
       "mentions": {
-        "ariaLabel": "Apps and MCP",
-        "label": "Plugins",
-        "cliGroup": "CLI Apps",
-        "mcpGroup": "MCP servers",
+        "ariaLabel": "Apps",
+        "label": "Apps",
+        "cliGroup": "CLI apps",
+        "mcpGroup": "MCP services",
         "cliBadge": "CLI",
         "mcpBadge": "MCP",
         "cliDescription": "Use @{{name}} as a local CLI app",