implements PLN-0094

discussion/index.ndjson

@@ -1,7 +1,7 @@
 {"type":"meta","next_id":{"DSC":39,"AGD":42,"DEC":40,"PLN":103,"LSN":55,"CLSN":1}}
 {"type":"discussion","id":"DSC-0038","status":"done","ticket":"studio-packer-rgba8888-asset-pipeline","title":"Studio and Packer RGBA8888 Asset Pipeline Alignment","created_at":"2026-05-23","updated_at":"2026-07-14","tags":["studio","packer","assets","glyph-bank","palette","rgba8888","runtime-alignment"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0053","file":"discussion/lessons/DSC-0038-studio-packer-rgba8888-asset-pipeline/LSN-0053-rgba8888-is-the-canonical-studio-packer-palette-contract.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14"}]}
 {"type":"discussion","id":"DSC-0037","status":"done","ticket":"pbs-autocomplete-parameter-names","title":"PBS autocomplete parameter names for stdlib and method calls","created_at":"2026-05-08","updated_at":"2026-05-14","tags":["compiler-pbs","studio","lsp","autocomplete","signature-help","stdlib"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0052","file":"discussion/lessons/DSC-0037-pbs-autocomplete-parameter-names/LSN-0052-canonical-callable-parameter-names-through-pbs-editor-assistance.md","status":"done","created_at":"2026-05-14","updated_at":"2026-05-14"}]}
-{"type":"discussion","id":"DSC-0036","status":"in_progress","ticket":"pbs-symbol-documentation-and-hover-markdown","title":"Modelo de documentacao de simbolos em PBS e consumo markdown no hover","created_at":"2026-05-08","updated_at":"2026-07-15","tags":["compiler","compiler-pbs","studio","lsp","vscode","editor","hover","documentation","markdown"],"agendas":[{"id":"AGD-0039","file":"AGD-0039-pbs-symbol-documentation-and-hover-markdown.md","status":"accepted","created_at":"2026-05-08","updated_at":"2026-07-15"}],"decisions":[{"id":"DEC-0039","file":"DEC-0039-pbs-symbol-documentation-with-doc-markdown-text-blocks.md","status":"accepted","created_at":"2026-07-15","updated_at":"2026-07-15","ref_agenda":"AGD-0039"}],"plans":[{"id":"PLN-0092","file":"PLN-0092-specify-pbs-doc-attribute-and-markdown-text-block-syntax.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0093","file":"PLN-0093-implement-pbs-lexer-support-for-documentation-text-blocks.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0094","file":"PLN-0094-extend-pbs-attribute-parser-and-ast-for-doc-markdown-payloads.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0095","file":"PLN-0095-implement-documentation-text-block-normalization.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0096","file":"PLN-0096-validate-doc-attribute-semantics-and-diagnostics.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0097","file":"PLN-0097-attach-doc-metadata-to-pbs-semantic-symbols.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0098","file":"PLN-0098-expose-doc-metadata-through-pbs-editorial-and-lsp-surfaces.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0099","file":"PLN-0099-render-doc-markdown-in-hover-composition.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0100","file":"PLN-0100-author-doc-metadata-for-stdlib-sdk-and-interface-declarations.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0101","file":"PLN-0101-protect-runtime-artifacts-from-doc-metadata-lowering.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0102","file":"PLN-0102-add-end-to-end-doc-documentation-conformance-coverage.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]}],"lessons":[]}
+{"type":"discussion","id":"DSC-0036","status":"in_progress","ticket":"pbs-symbol-documentation-and-hover-markdown","title":"Modelo de documentacao de simbolos em PBS e consumo markdown no hover","created_at":"2026-05-08","updated_at":"2026-07-15","tags":["compiler","compiler-pbs","studio","lsp","vscode","editor","hover","documentation","markdown"],"agendas":[{"id":"AGD-0039","file":"AGD-0039-pbs-symbol-documentation-and-hover-markdown.md","status":"accepted","created_at":"2026-05-08","updated_at":"2026-07-15"}],"decisions":[{"id":"DEC-0039","file":"DEC-0039-pbs-symbol-documentation-with-doc-markdown-text-blocks.md","status":"accepted","created_at":"2026-07-15","updated_at":"2026-07-15","ref_agenda":"AGD-0039"}],"plans":[{"id":"PLN-0092","file":"PLN-0092-specify-pbs-doc-attribute-and-markdown-text-block-syntax.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0093","file":"PLN-0093-implement-pbs-lexer-support-for-documentation-text-blocks.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0094","file":"PLN-0094-extend-pbs-attribute-parser-and-ast-for-doc-markdown-payloads.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0095","file":"PLN-0095-implement-documentation-text-block-normalization.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0096","file":"PLN-0096-validate-doc-attribute-semantics-and-diagnostics.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0097","file":"PLN-0097-attach-doc-metadata-to-pbs-semantic-symbols.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0098","file":"PLN-0098-expose-doc-metadata-through-pbs-editorial-and-lsp-surfaces.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0099","file":"PLN-0099-render-doc-markdown-in-hover-composition.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0100","file":"PLN-0100-author-doc-metadata-for-stdlib-sdk-and-interface-declarations.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0101","file":"PLN-0101-protect-runtime-artifacts-from-doc-metadata-lowering.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]},{"id":"PLN-0102","file":"PLN-0102-add-end-to-end-doc-documentation-conformance-coverage.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0039"]}],"lessons":[]}
 {"type":"discussion","id":"DSC-0035","status":"done","ticket":"pbs-lsp-editor-assistance-wave-1","title":"Wave 1 de assistencia editorial via LSP para PBS no VS Code","created_at":"2026-05-08","updated_at":"2026-05-08","tags":["studio","lsp","vscode","compiler","compiler-pbs","editor","completion","hover","signature-help"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0051","file":"discussion/lessons/DSC-0035-pbs-lsp-editor-assistance-wave-1/LSN-0051-compiler-backed-editor-assistance-for-pbs.md","status":"done","created_at":"2026-05-08","updated_at":"2026-05-08"}]}
 {"type":"discussion","id":"DSC-0034","status":"done","ticket":"frontend-semantic-host-projection-flexibility","title":"Frontend semantic vocabulary flexibility and declarative host projection","created_at":"2026-05-06","updated_at":"2026-05-07","tags":["compiler","compiler-general","frontend","semantics","vscode","host-projection","lsp"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0048","file":"discussion/lessons/DSC-0034-frontend-semantic-host-projection-flexibility/LSN-0048-frontend-owned-semantic-vocabularies-with-declarative-host-projection.md","status":"done","created_at":"2026-05-07","updated_at":"2026-05-07"}]}
 {"type":"discussion","id":"DSC-0033","status":"done","ticket":"frontend-visual-theme-spec-and-css-retirement","title":"Frontend visual theme spec and retirement of host-consumed semantic CSS","created_at":"2026-05-06","updated_at":"2026-05-08","tags":["compiler","compiler-general","frontend","presentation","theming","studio","vscode","lsp","pbs"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0050","file":"discussion/lessons/DSC-0033-frontend-visual-theme-spec-and-css-retirement/LSN-0050-frontend-owned-visual-themes-with-structured-contract-and-host-adapters.md","status":"done","created_at":"2026-05-08","updated_at":"2026-05-08"}]}

discussion/workflow/plans/PLN-0094-extend-pbs-attribute-parser-and-ast-for-doc-markdown-payloads.md

@@ -2,7 +2,7 @@
 id: PLN-0094
 ticket: pbs-symbol-documentation-and-hover-markdown
 title: Extend PBS attribute parser and AST for Doc markdown payloads
-status: open
+status: done
 created: 2026-07-15
 ref_decisions: [DEC-0039]
 tags: [compiler, compiler-pbs, studio, lsp, vscode, editor, hover, documentation, markdown]

prometeu-compiler/frontends/prometeu-frontend-pbs/src/main/java/p/studio/compiler/pbs/ast/PbsAst.java

@@ -78,6 +78,7 @@ public final class PbsAst {
     }
 
     public sealed interface AttributeValue permits AttributeStringValue,
+            AttributeDocTextBlockValue,
             AttributeIntValue,
             AttributeBoolValue,
             AttributeErrorValue {
@@ -89,6 +90,11 @@ public final class PbsAst {
             Span span) implements AttributeValue {
     }
 
+    public record AttributeDocTextBlockValue(
+            String value,
+            Span span) implements AttributeValue {
+    }
+
     public record AttributeIntValue(
             long value,
             Span span) implements AttributeValue {

prometeu-compiler/frontends/prometeu-frontend-pbs/src/main/java/p/studio/compiler/pbs/parser/PbsAttributeParser.java

@@ -84,6 +84,10 @@ final class PbsAttributeParser {
             final var token = cursor.previous();
             return new PbsAst.AttributeStringValue(token.lexeme(), context.span(token.start(), token.end()));
         }
+        if (cursor.match(PbsTokenKind.DOC_TEXT_BLOCK)) {
+            final var token = cursor.previous();
+            return new PbsAst.AttributeDocTextBlockValue(token.lexeme(), context.span(token.start(), token.end()));
+        }
         if (cursor.match(PbsTokenKind.INT_LITERAL)) {
             final var token = cursor.previous();
             final var parsedLong = parseLongOrNull(token.lexeme());

prometeu-compiler/frontends/prometeu-frontend-pbs/src/test/java/p/studio/compiler/pbs/parser/PbsParserTest.java

@@ -339,6 +339,44 @@ class PbsParserTest {
         assertEquals(1, constDecl.attributes().size());
     }
 
+    @Test
+    void shouldParseDocumentationTextBlockAttributeValuesInInterfaceModuleMode() {
+        final var source = """
+            [Doc(markdown = \"""
+            Represents a packed color.
+            \""")]
+            [BuiltinType(name = "color", version = 1)]
+            declare builtin type Color(
+              pub raw: int
+            ) {
+              [Doc(markdown = \"""
+              Packs this color into an integer.
+              \""")]
+              [IntrinsicCall(name = "color.pack", version = 1)]
+              fn pack() -> int;
+            }
+            """;
+        final var diagnostics = DiagnosticSink.empty();
+        final var fileId = new FileId(0);
+
+        final PbsAst.File ast = PbsParser.parse(
+                PbsLexer.lex(source, fileId, diagnostics),
+                fileId,
+                diagnostics,
+                PbsParser.ParseMode.INTERFACE_MODULE);
+
+        assertTrue(diagnostics.isEmpty(), "Parser should accept documentation text block attribute values");
+        final var builtinType = assertInstanceOf(PbsAst.BuiltinTypeDecl.class, ast.topDecls().getFirst());
+        final var typeDoc = builtinType.attributes().getFirst().arguments().getFirst().value();
+        assertInstanceOf(PbsAst.AttributeDocTextBlockValue.class, typeDoc);
+        assertTrue(((PbsAst.AttributeDocTextBlockValue) typeDoc).value().contains("Represents a packed color."));
+
+        final var signatureDoc = builtinType.signatures().getFirst().attributes().getFirst().arguments().getFirst().value();
+        assertInstanceOf(PbsAst.AttributeDocTextBlockValue.class, signatureDoc);
+        assertTrue(((PbsAst.AttributeDocTextBlockValue) signatureDoc).value().startsWith("\"\"\""));
+        assertTrue(((PbsAst.AttributeDocTextBlockValue) signatureDoc).value().endsWith("\"\"\""));
+    }
+
     @Test
     void shouldRecoverFromMalformedReservedDeclarationsInInterfaceModuleMode() {
         final var source = """