fix: update handleChange to use optional chaining and add "use client" directive in Connect component

graphify-out/GRAPH_REPORT.md

@@ -1,7 +1,7 @@
 # Graph Report - nobat724_front  (2026-07-08)
 
 ## Corpus Check
-- 594 files · ~536,084 words
+- 594 files · ~536,128 words
 - Verdict: corpus is large enough that graph structure adds value.
 
 ## Summary
@@ -10,7 +10,7 @@
 - Token cost: 0 input · 0 output
 
 ## Graph Freshness
-- Built from commit: `082f54cf`
+- Built from commit: `ee47b535`
 - Run `git rev-parse HEAD` and compare to check if the graph is stale.
 - Run `graphify update .` after code changes (no API cost).
 

graphify-out/graph.json

@@ -4417,7 +4417,7 @@
       "label": "Connect()",
       "file_type": "code",
       "source_file": "components/contactUs/Connect.js",
-      "source_location": "L6",
+      "source_location": "L8",
       "_origin": "ast",
       "id": "contactus_connect_connect",
       "community": 14,
@@ -41136,5 +41136,5 @@
     }
   ],
   "hyperedges": [],
-  "built_at_commit": "082f54cf4dcb0982ebaee688c1418f7fa720c190"
+  "built_at_commit": "ee47b535d878f1744ea163606a0d759167dd0a36"
 }

graphify-out/manifest.json

@@ -295,8 +295,8 @@
     "semantic_hash": ""
   },
   "app/component/fields/Field.js": {
-    "mtime": 1760953552.2275724,
-    "ast_hash": "70f08f1fdc86ff961332df235cf164e6",
+    "mtime": 1783522402.6345248,
+    "ast_hash": "1b94bb66aebb42eb9990c2b70ad72235",
     "semantic_hash": ""
   },
   "app/component/fields/FieldIcon.js": {
@@ -935,8 +935,8 @@
     "semantic_hash": ""
   },
   "components/contactUs/Connect.js": {
-    "mtime": 1783519228.5657191,
-    "ast_hash": "597a45afd5d84b62a7ed191822e6332e",
+    "mtime": 1783522389.3705227,
+    "ast_hash": "8846794c11d16abe52d92db5ebb6d864",
     "semantic_hash": ""
   },
   "components/contactUs/ContentContact.js": {