feat: add author and email metadata support in WDL tasks and workflows

Author: lmtani

src/domain/value_objects.py

@@ -91,10 +91,21 @@ class WDLTask:
     outputs: List[WDLOutput] = field(default_factory=list)
     command: Optional[WDLCommand] = None
     runtime: Dict[str, str] = field(default_factory=dict)
+    meta: Dict[str, str] = field(default_factory=dict)
+    author: Optional[str] = None
+    email: Optional[str] = None
 
     @property
     def has_description(self) -> bool:
         return self.description is not None
+    
+    @property
+    def has_author(self) -> bool:
+        return self.author is not None
+    
+    @property
+    def has_email(self) -> bool:
+        return self.email is not None
 
     @property
     def has_inputs(self) -> bool:
@@ -156,10 +167,21 @@ class WDLWorkflow:
     calls: List[WDLCall] = field(default_factory=list)
     docker_images: List[WDLDockerImage] = field(default_factory=list)
     mermaid_graph: Optional[str] = None  # Mermaid diagram representation
+    meta: Dict[str, str] = field(default_factory=dict)
+    author: Optional[str] = None
+    email: Optional[str] = None
 
     @property
     def has_description(self) -> bool:
         return self.description is not None
+    
+    @property
+    def has_author(self) -> bool:
+        return self.author is not None
+    
+    @property
+    def has_email(self) -> bool:
+        return self.email is not None
 
     @property
     def has_inputs(self) -> bool:

src/infrastructure/parsing/ast_mapper.py

@@ -53,6 +53,11 @@ def map_workflow(self, workflow: WDL.Tree.Workflow, imports: List[WDLImport], wd
         name = workflow.name
         description = self._extract_description(workflow)
         parameter_meta = self._extract_parameter_meta(workflow)
+        meta = self._parse_meta(workflow)
+        
+        # Extract author and email from meta
+        author = meta.get('author')
+        email = meta.get('email')
 
         # Parse inputs and outputs
         inputs = [self._parse_input(inp.value, parameter_meta) for inp in workflow.available_inputs]
@@ -75,16 +80,24 @@ def map_workflow(self, workflow: WDL.Tree.Workflow, imports: List[WDLImport], wd
             calls=calls,
             docker_images=docker_images,
             mermaid_graph=mermaid_graph,
+            meta=meta,
+            author=author,
+            email=email,
         )
 
     def map_task(self, task: WDL.Tree.Task) -> WDLTask:
         """Map a miniwdl Task object to domain WDLTask."""
         name = task.name
         description = self._extract_description(task)
-        meta = self._extract_parameter_meta(task)
+        parameter_meta = self._extract_parameter_meta(task)
+        meta = self._parse_meta(task)
+        
+        # Extract author and email from meta
+        author = meta.get('author')
+        email = meta.get('email')
 
         # Parse inputs and outputs
-        inputs = [self._parse_input(inp.value, meta) for inp in task.available_inputs]
+        inputs = [self._parse_input(inp.value, parameter_meta) for inp in task.available_inputs]
         outputs = [self._parse_output(out) for out in task.outputs] if task.outputs else []
 
         # Parse command
@@ -100,6 +113,9 @@ def map_task(self, task: WDL.Tree.Task) -> WDLTask:
             outputs=outputs,
             command=command,
             runtime=runtime,
+            meta=meta,
+            author=author,
+            email=email,
         )
 
     @staticmethod
@@ -287,6 +303,17 @@ def _extract_description(obj) -> Optional[str]:
             if "description" in obj.meta:
                 return str(obj.meta["description"])
         return None
+    
+    @staticmethod
+    def _parse_meta(obj) -> Dict[str, str]:
+        """Parse meta section and return all metadata as dict."""
+        meta = {}
+
+        if hasattr(obj, "meta") and obj.meta:
+            for key, value in obj.meta.items():
+                meta[key] = str(value)
+
+        return meta
 
     @staticmethod
     def _extract_parameter_meta(obj) -> dict[str, str]:

src/infrastructure/rendering/templates/components/document.html

@@ -15,6 +15,39 @@ <h2 style="margin: 0;">Workflow: {{ workflow_name }}</h2>
         {% endcall %}
     </div>
 {%- endmacro %}
+
+{# Author and email info banner #}
+{% macro author_info(author=none, email=none) %}
+    {% if author or email %}
+    <div style="margin: 12px 0;
+                padding: 10px 14px;
+                background: rgba(88, 166, 255, 0.08);
+                border-radius: 6px;
+                border-left: 3px solid #58a6ff;
+                font-size: 14px;">
+        <div style="display: flex; align-items: center; gap: 12px; flex-wrap: wrap;">
+            {% if author %}
+            <div style="display: flex; align-items: center; gap: 6px;">
+                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                    <path d="M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2"></path>
+                    <circle cx="12" cy="7" r="4"></circle>
+                </svg>
+                <span style="color: #c9d1d9;"><strong style="color: #58a6ff;">Author:</strong> {{ author }}</span>
+            </div>
+            {% endif %}
+            {% if email %}
+            <div style="display: flex; align-items: center; gap: 6px;">
+                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                    <rect x="2" y="4" width="20" height="16" rx="2"></rect>
+                    <path d="m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7"></path>
+                </svg>
+                <a href="mailto:{{ email }}" style="color: #58a6ff; text-decoration: none;">{{ email }}</a>
+            </div>
+            {% endif %}
+        </div>
+    </div>
+    {% endif %}
+{%- endmacro %}
 {# Tasks section header with action button #}
 {% macro tasks_section_header(has_source=false) %}
     <div style="display: flex;
@@ -174,6 +207,7 @@ <h4>
     <div class="card" id="task-{{ task.name }}" style="margin-bottom: 20px;">
         <h3>{{ task_badge() }} {{ task.name }}</h3>
         {% if task.description %}<p class="description">{{ task.description }}</p>{% endif %}
+        {{ author_info(task.author, task.email) }}
         {% if task.has_inputs %}
             <h4>Inputs</h4>
             {{ inputs_table(task.inputs) }}

src/infrastructure/rendering/templates/document.html

@@ -1,7 +1,7 @@
 {% extends "base.html" %}
 {% from "macros/badges.html" import workflow_badge, task_badge, file_badge %}
 {% from "macros/tables.html" import inputs_table, outputs_table, imports_table, document_info_table %}
-{% from "components/document.html" import workflow_section_header, tasks_section_header, subworkflow_usage_banner, call_block, docker_images_grid, task_card %}
+{% from "components/document.html" import workflow_section_header, tasks_section_header, author_info, subworkflow_usage_banner, call_block, docker_images_grid, task_card %}
 {% from "components/modals.html" import graph_modal, source_modal %}
 {% block title %}{{ doc.name }} - WDL Atlas{% endblock %}
 {% block header %}
@@ -68,6 +68,7 @@ <h2>Imports</h2>
         <div class="card section" id="workflow">
             {{ workflow_section_header(doc.workflow.name, doc.workflow.has_graph, doc.source_code) }}
             {% if doc.workflow.description %}<p class="description">{{ doc.workflow.description }}</p>{% endif %}
+            {{ author_info(doc.workflow.author, doc.workflow.email) }}
             {% if workflow_call_info %}{{ subworkflow_usage_banner(workflow_call_info, doc.relative_path) }}{% endif %}
             {% if doc.workflow.has_inputs %}
                 <h3 id="inputs">Inputs</h3>