refactor: Enforce strict typed JsonSchema for all MCP tools

fix_wal.py

@@ -0,0 +1,55 @@
+import re
+
+with open("server/src/state.rs", "r", encoding="utf-8") as f:
+    content = f.read()
+
+recover_wal_code = """
+    pub fn recover_wal(&self) {
+        let wal_path = self.base_dir.join("wal.jsonl");
+        if let Ok(content) = std::fs::read_to_string(&wal_path) {
+            let mut session = self.session_graph.write().unwrap();
+            for line in content.lines() {
+                if let Ok(d) = serde_json::from_str::<KnowledgeGraph>(line) {
+                    Self::merge_graphs(&mut session, &d);
+                }
+            }
+        }
+    }
+"""
+content = content.replace("    pub fn merge_graphs(dest: &mut KnowledgeGraph, src: &KnowledgeGraph) {", recover_wal_code + "    pub fn merge_graphs(dest: &mut KnowledgeGraph, src: &KnowledgeGraph) {")
+
+get_full_graph_old = """    pub fn get_full_graph(&self) -> KnowledgeGraph {
+        let mut master = self.read_master_cached();
+        let wal_path = self.base_dir.join("wal.jsonl");
+        if let Ok(content) = std::fs::read_to_string(&wal_path) {
+            for line in content.lines() {
+                if let Ok(d) = serde_json::from_str::<KnowledgeGraph>(line) {
+                    Self::merge_graphs(&mut master, &d);
+                }
+            }
+        }
+        let session_graph = self.session_graph.read().unwrap();
+        Self::merge_graphs(&mut master, &session_graph);
+        master
+    }"""
+
+get_full_graph_new = """    pub fn get_full_graph(&self) -> KnowledgeGraph {
+        let mut master = self.read_master_cached();
+        let session_graph = self.session_graph.read().unwrap();
+        Self::merge_graphs(&mut master, &session_graph);
+        master
+    }"""
+
+content = content.replace(get_full_graph_old, get_full_graph_new)
+
+with open("server/src/state.rs", "w", encoding="utf-8") as f:
+    f.write(content)
+
+with open("server/src/main.rs", "r", encoding="utf-8") as f:
+    main_content = f.read()
+
+main_content = main_content.replace("    state.rebuild_index();\n\n    run_server(state)", "    state.recover_wal();\n    state.rebuild_index();\n\n    run_server(state)")
+
+with open("server/src/main.rs", "w", encoding="utf-8") as f:
+    f.write(main_content)
+