refactor: Enforce strict typed JsonSchema for all MCP tools

fix_merge.py

@@ -0,0 +1,52 @@
+import re
+
+with open("server/src/state.rs", "r", encoding="utf-8") as f:
+    content = f.read()
+
+unique_items_block = re.search(r'    pub fn unique_items<.*?>\(.*?\) -> Vec<T> \{\n(?:.*?\n){1,15}?    \}\n', content, re.DOTALL)
+if unique_items_block:
+    content = content.replace(unique_items_block.group(0), "")
+
+merge_graphs_old = """    pub fn merge_graphs(dest: &mut KnowledgeGraph, src: &KnowledgeGraph) {
+        for (name, src_ent) in &src.entities {
+            let dest_ent = dest
+                .entities
+                .entry(name.clone())
+                .or_insert_with(|| src_ent.clone());
+            if dest_ent.name == src_ent.name {
+                dest_ent.observations.extend(src_ent.observations.clone());
+                dest_ent.observations = Self::unique_items(dest_ent.observations.clone());
+            }
+        }
+        dest.relations.extend(src.relations.clone());
+        dest.relations = Self::unique_items(dest.relations.clone());
+    }"""
+
+merge_graphs_new = """    pub fn merge_graphs(dest: &mut KnowledgeGraph, src: &KnowledgeGraph) {
+        for (name, src_ent) in &src.entities {
+            let dest_ent = dest
+                .entities
+                .entry(name.clone())
+                .or_insert_with(|| crate::models::Entity {
+                    name: src_ent.name.clone(),
+                    entity_type: src_ent.entity_type.clone(),
+                    observations: Vec::new(),
+                });
+            
+            for obs in &src_ent.observations {
+                if !dest_ent.observations.contains(obs) {
+                    dest_ent.observations.push(obs.clone());
+                }
+            }
+        }
+        for rel in &src.relations {
+            if !dest.relations.contains(rel) {
+                dest.relations.push(rel.clone());
+            }
+        }
+    }"""
+
+content = content.replace(merge_graphs_old, merge_graphs_new)
+
+with open("server/src/state.rs", "w", encoding="utf-8") as f:
+    f.write(content)