update doc and optimize

AINative_OKR_CASAN5/.specify/traceability-map.json

@@ -3,7 +3,7 @@
     "name": "Login",
     "code": [
       "backend/src/auth/auth.controller.ts",
-      "backend/src/auth/auth.service.ts",
+      { "file": "backend/src/auth/auth.service.ts", "symbols": ["AuthService", "login"] },
       "frontend/src/pages/Login.tsx",
       "frontend/src/hooks/useAuth.tsx"
     ],
@@ -16,7 +16,7 @@
     "name": "Create Objective",
     "code": [
       "backend/src/objectives/objectives.controller.ts",
-      "backend/src/objectives/objectives.service.ts",
+      { "file": "backend/src/objectives/objectives.service.ts", "symbols": ["ObjectivesService", "create"] },
       "frontend/src/pages/CreateObjective.tsx",
       "frontend/src/schemas/objective.schema.ts"
     ],
@@ -30,7 +30,7 @@
     "name": "Create Key Result",
     "code": [
       "backend/src/key-results/key-results.controller.ts",
-      "backend/src/key-results/key-results.service.ts",
+      { "file": "backend/src/key-results/key-results.service.ts", "symbols": ["KeyResultsService", "create"] },
       "backend/src/key-results/dto/create-key-result.dto.ts"
     ],
     "tests": [
@@ -42,7 +42,7 @@
     "name": "Update Progress",
     "code": [
       "backend/src/key-results/key-results.controller.ts",
-      "backend/src/key-results/key-results.service.ts",
+      { "file": "backend/src/key-results/key-results.service.ts", "symbols": ["updateProgress"] },
       "backend/src/key-results/dto/update-progress.dto.ts",
       "frontend/src/pages/KeyResultDetail.tsx"
     ],
@@ -56,7 +56,7 @@
     "name": "Dashboard",
     "code": [
       "backend/src/objectives/objectives.controller.ts",
-      "backend/src/objectives/objectives.service.ts",
+      { "file": "backend/src/objectives/objectives.service.ts", "symbols": ["ObjectivesService", "list"] },
       "frontend/src/pages/Dashboard.tsx",
       "frontend/src/hooks/useObjectives.ts"
     ],