refactor: Enforce strict typed JsonSchema for all MCP tools

fix_state.py

@@ -0,0 +1,21 @@
+import re
+
+with open("server/src/state.rs", "r", encoding="utf-8") as f:
+    content = f.read()
+
+# Add git_branch and namespace to Entity initialization
+content = content.replace("observations: Vec::new(),", "observations: Vec::new(),\n                    namespace: src_ent.namespace.clone(),\n                    git_branch: src_ent.git_branch.clone(),")
+
+# Add unique_items back
+unique_items_code = """
+    pub fn unique_items<T: Eq + std::hash::Hash + Clone>(input: Vec<T>) -> Vec<T> {
+        let mut keys = std::collections::HashSet::new();
+        input.into_iter().filter(|entry| keys.insert(entry.clone())).collect()
+    }
+"""
+
+content = content.replace("impl MemoryState {\n", "impl MemoryState {\n" + unique_items_code)
+
+with open("server/src/state.rs", "w", encoding="utf-8") as f:
+    f.write(content)
+