Update Render build configuration: fix deps, force py3.11, add build script

backend/services/intelligence/agents/specialized/link_graph.py

@@ -0,0 +1,59 @@
+"""
+Link Graph Agent implementation.
+"""
+from typing import List, Dict, Any, Optional
+from datetime import datetime
+from loguru import logger
+from .base import SIFBaseAgent
+from services.intelligence.agents.core_agent_framework import TaskProposal
+from services.intelligence.txtai_service import TxtaiIntelligenceService
+
+class LinkGraphAgent(SIFBaseAgent):
+    """Agent for internal linking and graph optimization."""
+    
+    def __init__(self, intelligence_service: TxtaiIntelligenceService, user_id: str, **kwargs):
+        super().__init__(intelligence_service, user_id, agent_type="link_graph_expert", **kwargs)
+
+    async def analyze_graph(self) -> Dict[str, Any]:
+        """Analyze the knowledge graph structure of the content."""
+        if not self.intelligence.is_initialized():
+            return {}
+            
+        try:
+            # Construct a graph from semantic relationships
+            graph = await self.intelligence.construct_graph()
+            
+            # Identify isolated nodes (orphaned content)
+            orphans = [] # self._find_orphans(graph)
+            
+            # Identify central nodes (pillars)
+            hubs = [] # self._find_hubs(graph)
+            
+            return {
+                "node_count": 0, # graph.number_of_nodes(),
+                "edge_count": 0, # graph.number_of_edges(),
+                "orphaned_content": orphans,
+                "content_hubs": hubs
+            }
+        except Exception as e:
+            logger.error(f"[{self.__class__.__name__}] Graph analysis failed: {e}")
+            return {}
+
+    async def propose_daily_tasks(self, context: Dict[str, Any]) -> List[TaskProposal]:
+        """Propose internal linking tasks."""
+        proposals = []
+        
+        # 1. Internal Link Opportunity
+        proposals.append(TaskProposal(
+            title="Internal Linking Review",
+            description="Add internal links to your new post 'Content Strategy 101'.",
+            pillar_id="create",
+            priority="medium",
+            estimated_time=15,
+            source_agent="LinkGraphAgent",
+            reasoning="Improves SEO and user navigation.",
+            action_type="navigate",
+            action_url="/content-planning-dashboard"
+        ))
+        
+        return proposals