Implement capability generics, checked package specializations and CRUD scaffolding

Add kinded parameters, capability bounds, Self, aliases and closed application identities. Check generic implementations universally and build candidate-specific codecs and descriptors from immutable schemas. Preserve lexical aliases and exact dispatch identities in package and host bindings.

Add an imperative CRUD+index domain scaffold with explicit soft-deletion semantics, source/codegen regression coverage, installed CLI tests and an authoring guide. Existing Web Studio opaque props and class-level create-menu migration are separate from the implemented language core.

grammar/QuixosCapability.g4

@@ -27,6 +27,7 @@ workspaceItem
   | sharedAttachmentDecl
   | conformanceDecl
   | constructorBindingDecl
+  | typeAliasDecl
   ;
 
 resourceImportDecl
@@ -46,6 +47,7 @@ resourcePreamble
   : resourceImportDecl
   | externalAtomDecl
   | externalInterfaceDecl
+  | typeAliasDecl
   ;
 
 atomDecl
@@ -53,10 +55,39 @@ atomDecl
   ;
 
 interfaceResourceDecl
-  : resourcePreamble* INTERFACE identifier ID stringLiteral REVISION stringLiteral
+  : resourcePreamble* INTERFACE identifier typeParameters? ID stringLiteral REVISION stringLiteral
+    (REQUIRES interfaceType (COMMA interfaceType)*)?
     LBRACE interfaceMember* RBRACE
   ;
 
+typeParameters
+  : LT typeParameter (COMMA typeParameter)* GT
+  ;
+
+typeParameter
+  : VALUE identifier (COLON STORABLE)?
+  | OBJECT identifier (IMPLEMENTS interfaceType (AMP interfaceType)*)?
+  ;
+
+interfaceType
+  : identifier typeArguments?
+  ;
+
+typeArguments
+  : LT typeArgument (COMMA typeArgument)* GT
+  ;
+
+typeArgument
+  : ATOM identifier
+  | INTERFACE interfaceType
+  | OBJECT identifier
+  | valueType
+  ;
+
+typeAliasDecl
+  : TYPE identifier typeParameters? EQUAL valueType SEMI
+  ;
+
 interfaceMember
   : valueMember
   | relationshipMember
@@ -93,7 +124,8 @@ relationshipOperation
 
 targetConstraint
   : ATOM identifier
-  | INTERFACE identifier
+  | INTERFACE identifier typeArguments?
+  | OBJECT identifier
   ;
 
 packageResourceDecl
@@ -109,12 +141,12 @@ packageExport
   ;
 
 packageOperationExport
-  : OPERATION identifier ID stringLiteral COLON valueType ARROW valueType
+  : OPERATION identifier typeParameters? ID stringLiteral COLON valueType ARROW valueType
     MODE operationMode eventClause? RECEIVER receiverRequirement dependencyBlock? SEMI
   ;
 
 packageFunctionExport
-  : FUNCTION identifier ID stringLiteral COLON valueType ARROW valueType
+  : FUNCTION identifier typeParameters? ID stringLiteral COLON valueType ARROW valueType
     dependencyBlock? SEMI
   ;
 
@@ -138,7 +170,8 @@ operationMode
 receiverRequirement
   : ANY
   | ATOM identifier
-  | INTERFACES LBRACK identifierList? RBRACK
+  | OBJECT identifier
+  | INTERFACES LBRACK (interfaceType (COMMA interfaceType)*)? RBRACK
   ;
 
 identifierList
@@ -152,7 +185,7 @@ dependencyBlock
 dependencyPort
   : STATE identifier ID stringLiteral COLON valueType primitiveList SEMI
   | EDGE identifier ID stringLiteral COLON cardinality targetConstraint primitiveList SEMI
-  | INTERFACE identifier ID stringLiteral COLON identifier SEMI
+  | INTERFACE identifier ID stringLiteral COLON identifier typeArguments? SEMI
   | CONSTRUCTOR identifier ID stringLiteral COLON identifier (INPUT valueType)? SEMI
   ;
 
@@ -199,7 +232,7 @@ edgeEndpoint
   ;
 
 conformanceDecl
-  : CONFORM identifier AS identifier (ID stringLiteral)? (SEMANTIC_MAJOR INTEGER)?
+  : CONFORM identifier AS identifier typeArguments? (ID stringLiteral)? (SEMANTIC_MAJOR INTEGER)?
     LBRACE conformanceItem* RBRACE
   ;
 
@@ -238,7 +271,7 @@ operationName
 operationProvider
   : STATE identifier DOT statePrimitive
   | EDGE identifier DOT identifier DOT edgePrimitive
-  | PACKAGE identifier DOT identifier dependencyBindingBlock?
+  | PACKAGE identifier DOT identifier typeArguments? dependencyBindingBlock?
   ;
 
 statePrimitive
@@ -263,7 +296,7 @@ dependencyBindingBlock
 dependencyBinding
   : identifier TO STATE identifier (VIA EDGE identifier DOT identifier)? SEMI
   | identifier TO EDGE identifier DOT identifier (VIA EDGE identifier DOT identifier)? SEMI
-  | identifier TO INTERFACE identifier (VIA EDGE identifier DOT identifier)? SEMI
+  | identifier TO INTERFACE identifier typeArguments? (VIA EDGE identifier DOT identifier)? SEMI
   | identifier TO CONSTRUCTOR identifier SEMI
   ;
 
@@ -277,10 +310,12 @@ valueType
   | WATCH_HANDLE
   | MESSAGE stringLiteral
   | ATOM_REF LT identifier GT
-  | INTERFACE_REF LT identifier GT
+  | INTERFACE_REF LT identifier typeArguments? GT
+  | REF LT identifier GT
   | OPTIONAL LT valueType GT
   | LIST LT valueType GT
   | RECORD LBRACE recordField* RBRACE
+  | identifier typeArguments?
   ;
 
 recordField
@@ -338,6 +373,11 @@ stringLiteral
   ;
 
 WORKSPACE: 'workspace';
+TYPE: 'type';
+OBJECT: 'object';
+STORABLE: 'storable';
+IMPLEMENTS: 'implements';
+REF: 'ref';
 FRAGMENT: 'fragment';
 IMPORT: 'import';
 EXTERNAL: 'external';
@@ -441,6 +481,8 @@ LPAREN: '(';
 RPAREN: ')';
 LT: '<';
 GT: '>';
+AMP: '&';
+EQUAL: '=';
 
 INTEGER: '-'? [0-9]+;
 JSON_NUMBER: '-'? ('0' | [1-9] [0-9]*) ('.' [0-9]+)? ([eE] [+-]? [0-9]+)?;