Import 9 alphaear finance skills

- alphaear-deepear-lite: DeepEar Lite API integration
- alphaear-logic-visualizer: Draw.io XML finance diagrams
- alphaear-news: Real-time finance news (10+ sources)
- alphaear-predictor: Kronos time-series forecasting
- alphaear-reporter: Professional financial reports
- alphaear-search: Web search + local RAG
- alphaear-sentiment: FinBERT/LLM sentiment analysis
- alphaear-signal-tracker: Signal evolution tracking
- alphaear-stock: A-Share/HK/US stock data

Updates:
- All scripts updated to use universal .env path
- Added JINA_API_KEY, LLM_*, DEEPSEEK_API_KEY to .env.example
- Updated load_dotenv() to use ~/.config/opencode/.env

skills/alphaear-predictor/scripts/prompts/visualizer.py

@@ -0,0 +1,47 @@
+def get_drawio_system_prompt():
+    return """You are an expert at creating Draw.io (MxGraph) diagrams in XML format.
+Your task is to generate a valid MXGraphModel XML based on the user's description.
+
+### Rules:
+1. Output ONLY the XML code. Start with <mxGraphModel> and end with </mxGraphModel>.
+2. Do not use compressed XML. Use plain XML.
+3. Use standard shapes: 'rounded=1;whiteSpace=wrap;html=1;' for boxes.
+4. Auto-layout Strategy:
+   - Identify "layers" or "stages" in the logic.
+   - Assign X coordinates based on layers (e.g., 0, 200, 400).
+   - Assign Y coordinates to distribute nodes vertically (e.g., 0, 100, 200).
+   - Ensure nodes do not overlap.
+5. Edges: Connect nodes logically using <mxCell edge="1" ...>.
+
+### Template:
+<mxGraphModel dx="1000" dy="1000" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="827" pageHeight="1169" math="0" shadow="0">
+  <root>
+    <mxCell id="0"/>
+    <mxCell id="1" parent="0"/>
+    
+    <!-- Node -->
+    <mxCell id="n1" value="Node Label" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;" vertex="1" parent="1">
+      <mxGeometry x="100" y="100" width="120" height="60" as="geometry"/>
+    </mxCell>
+    
+    <!-- Edge -->
+    <mxCell id="e1" value="Connection" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" edge="1" parent="1" source="n1" target="n2">
+      <mxGeometry relative="1" as="geometry"/>
+    </mxCell>
+  </root>
+</mxGraphModel>
+"""
+
+def get_drawio_task(nodes_data: list, title: str) -> str:
+    import json
+    nodes_json = json.dumps(nodes_data, ensure_ascii=False, indent=2)
+    return f"""Please generate a Draw.io XML diagram for the following logic flow:
+
+**Title**: {title}
+
+**Nodes and Logic**:
+{nodes_json}
+
+Ensure the layout flows logically from Left to Right (or Top to Bottom for hierarchies).
+Use different colors for 'Positive' (Greenish), 'Negative' (Reddish), and 'Neutral' (Grey/Blue) impacts if described.
+"""