feat: add markdown rendering, API settings, star graph auto-view toggle

- index.html: markdown rendering with marked.js + DOMPurify XSS protection
- settings.html: API Key/Base URL/Model config form with save
- graph.html: auto camera transition toggle for add/read/delete nodes

entry/build/default/intermediates/loader/default/loader.json

@@ -0,0 +1,26 @@
+{
+  "modulePathMap": {
+    "entry": "/home/program/TrulyMEM-TrueHumanMEM/harmonyos/entry",
+    "trulymem-core": "/home/program/TrulyMEM-TrueHumanMEM/harmonyos/trulymem-core"
+  },
+  "compileMode": "esmodule",
+  "projectRootPath": "/home/program/TrulyMEM-TrueHumanMEM/harmonyos",
+  "nodeModulesPath": "/home/program/TrulyMEM-TrueHumanMEM/harmonyos/entry/build/default/intermediates/loader_out/default/node_modules",
+  "byteCodeHarInfo": {},
+  "declarationEntry": [],
+  "moduleName": "entry",
+  "hspNameOhmMap": {},
+  "harNameOhmMap": {},
+  "packageManagerType": "ohpm",
+  "compileEntry": [
+    "/home/program/TrulyMEM-TrueHumanMEM/harmonyos/entry/build/default/generated/r/default/ResourceTable.ts"
+  ],
+  "otherCompileFiles": [],
+  "dynamicImportLibInfo": {},
+  "routerMap": [],
+  "hspResourcesMap": {},
+  "updateVersionInfo": {},
+  "customizedHar": false,
+  "anBuildOutPut": "/home/program/TrulyMEM-TrueHumanMEM/harmonyos/entry/build/default/intermediates/loader_out/default/an/arm64-v8a",
+  "anBuildMode": "type"
+}