Upgrades langchain package to latest versions.

.codex/review-prompt.md

@@ -61,7 +61,6 @@ Every comment must be traceable to changed behavior in this PR and anchored to a
 
 #### Security
 
-
 - Injection risks (SQL, command, XSS) when handling user input.
 - Hardcoded secrets — API keys, passwords, tokens in code.
 - Missing input validation at system boundaries (user input, external APIs). Not for internal function calls.

.github/workflows/check-package-lock.yml

@@ -12,16 +12,16 @@ on:
     branches:
       - main
     paths:
-      - 'package.json'
-      - 'package-lock.json'
-      - '**/package.json'
+      - "package.json"
+      - "package-lock.json"
+      - "**/package.json"
   pull_request:
     branches:
       - "**"
     paths:
-      - 'package.json'
-      - 'package-lock.json'
-      - '**/package.json'
+      - "package.json"
+      - "package-lock.json"
+      - "**/package.json"
 
 jobs:
   verify-package-lock:
@@ -55,7 +55,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '22'
+          node-version: "22"
 
       - name: Validate package-lock.json is valid and in sync
         run: npm ci --dry-run --ignore-scripts

.github/workflows/validate-plugin-tests.yml

@@ -132,4 +132,4 @@ jobs:
             echo "✅ Core Functionality tests found"
             echo "✅ Error Handling tests found"
             echo "✅ All tests passing"
-          fi
+          fi

AGENTS.md

@@ -48,13 +48,16 @@ Before you consider a task "done", you must:
 # Task: [<task number (last + 1)>] <feature>
 
 ## Goal
+
 - <short goal>
 
 ## Subtasks
+
 - [ ] <subtask 1>
 - [ ] <subtask 2>
 
 ## Notes
+
 - <risks, decisions, links>
 ```
 

apps/agent/package.json

@@ -26,8 +26,7 @@
     "test:ragas": "NODE_OPTIONS='--import tsx' tsx tests/ragas/evaluate.ts",
     "test:ragas:results": "NODE_OPTIONS='--import tsx' tsx tests/ragas/show-results.ts",
     "test:ragas:dashboard": "NODE_OPTIONS='--import tsx' tsx tests/ragas/dashboard.ts",
-    "ragas": "chmod +x tests/ragas/run-ragas.sh && tests/ragas/run-ragas.sh",
-    "postinstall": "node fix-uuid.js"
+    "ragas": "chmod +x tests/ragas/run-ragas.sh && tests/ragas/run-ragas.sh"
   },
   "dependencies": {
     "@dkg/expo-forcegraph": "^0.0.0",
@@ -39,13 +38,13 @@
     "@expo-google-fonts/manrope": "^0.4.1",
     "@expo-google-fonts/space-grotesk": "^0.4.0",
     "@expo/vector-icons": "^14.1.0",
-    "@langchain/anthropic": "^0.3.28",
-    "@langchain/core": "^0.3.66",
-    "@langchain/google-genai": "^0.2.18",
-    "@langchain/groq": "^0.2.4",
-    "@langchain/mistralai": "^0.2.1",
-    "@langchain/openai": "^0.6.3",
-    "@langchain/xai": "^0.1.0",
+    "@langchain/anthropic": "^1.3.22",
+    "@langchain/core": "^1.1.30",
+    "@langchain/google-genai": "^2.1.24",
+    "@langchain/groq": "^1.1.4",
+    "@langchain/mistralai": "^1.0.7",
+    "@langchain/openai": "^1.2.12",
+    "@langchain/xai": "^1.3.8",
     "@modelcontextprotocol/sdk": "^1.16.0",
     "@node-rs/argon2": "^2.0.2",
     "@react-native-async-storage/async-storage": "2.1.2",

apps/agent/src/app/(protected)/chat.tsx

@@ -118,7 +118,10 @@ export default function ChatPage() {
 
       const s = toToolExecutionSettings(mode);
       await settings.set("autoApproveMcpTools", s.autoApproveMcpTools);
-      await settings.set("showMcpToolExecutionPanels", s.showMcpToolExecutionPanels);
+      await settings.set(
+        "showMcpToolExecutionPanels",
+        s.showMcpToolExecutionPanels,
+      );
       await settings.reload();
     },
     [settings, tools],
@@ -180,8 +183,7 @@ export default function ChatPage() {
         continue;
       }
 
-      const existingId =
-        typeof tc.id === "string" ? tc.id.trim() : "";
+      const existingId = typeof tc.id === "string" ? tc.id.trim() : "";
       normalizedToolCalls.push({
         ...tc,
         id: existingId || `local-tool-call-${localToolCallIdCounter.current++}`,
@@ -507,8 +509,8 @@ export default function ChatPage() {
             parsedContent.metadata
               .at(0)
               ?.[
-              "https://ontology.origintrail.io/dkg/1.0#publishTime"
-            ]?.at(0)?.["@value"] ?? Date.now(),
+                "https://ontology.origintrail.io/dkg/1.0#publishTime"
+              ]?.at(0)?.["@value"] ?? Date.now(),
           ).getTime(),
           txHash: parsedContent.metadata
             .at(0)
@@ -540,7 +542,7 @@ export default function ChatPage() {
             parsedContent.metadata
               .at(0)
               ?.["https://ontology.origintrail.io/dkg/1.0#publishTx"]?.at(0)?.[
-            "@value"
+              "@value"
             ] ?? "unknown";
           resolved.publisher =
             parsedContent.metadata
@@ -638,7 +640,7 @@ export default function ChatPage() {
 
                 for (const c of toContents(m.content)) {
                   if (c.type === "image_url") {
-                    images.push({ uri: c.image_url });
+                    images.push({ uri: c.image_url as string });
                     continue;
                   }
 
@@ -658,7 +660,7 @@ export default function ChatPage() {
                       continue;
                     }
 
-                    text.push(c.text);
+                    text.push(c.text as string);
                   }
                 }
 
@@ -667,7 +669,8 @@ export default function ChatPage() {
                 const allToolCallsHidden =
                   hasToolCalls &&
                   m.tool_calls!.every((tc) => {
-                    const isAutoApproved = autoApproveTools || tools.isAllowedForSession(tc.name);
+                    const isAutoApproved =
+                      autoApproveTools || tools.isAllowedForSession(tc.name);
                     return isAutoApproved && !showToolExecutionPanels;
                   });
 
@@ -792,7 +795,10 @@ export default function ChatPage() {
                         lastUserMessageYRef.current = y;
                         if (scrollPendingRef.current) {
                           scrollPendingRef.current = false;
-                          scrollTargetRef.current = Math.max(0, y - SCROLL_TOP_GAP);
+                          scrollTargetRef.current = Math.max(
+                            0,
+                            y - SCROLL_TOP_GAP,
+                          );
                           setContentMinHeight(y + messagesViewHeight);
                         }
                       }}
@@ -804,11 +810,15 @@ export default function ChatPage() {
 
                 return <View key={i}>{messageContent}</View>;
               })}
-              {isThinkingVisible(isGenerating, streamingContent) && <Chat.Thinking />}
+              {isThinkingVisible(isGenerating, streamingContent) && (
+                <Chat.Thinking />
+              )}
               {streamingContent !== null && (
                 <Chat.Message icon="assistant">
                   <Markdown>
-                    {normalizeStreamingMarkdown(stripThinkTags(streamingContent))}
+                    {normalizeStreamingMarkdown(
+                      stripThinkTags(streamingContent),
+                    )}
                   </Markdown>
                 </Chat.Message>
               )}

apps/agent/src/components/Chat/Input.tsx

@@ -104,11 +104,13 @@ export default function ChatInput({
   const [isUploading, setIsUploading] = useState(false);
   const [isModeDropdownOpen, setIsModeDropdownOpen] = useState(false);
   const [inputHeight, setInputHeight] = useState(CHAT_INPUT_MIN_HEIGHT);
-  const [isCustomScrollbarVisible, setIsCustomScrollbarVisible] = useState(false);
+  const [isCustomScrollbarVisible, setIsCustomScrollbarVisible] =
+    useState(false);
   const [customScrollbarThumbTop, setCustomScrollbarThumbTop] = useState(
     SCROLLBAR_TRACK_INSET,
   );
-  const [customScrollbarThumbHeight, setCustomScrollbarThumbHeight] = useState(0);
+  const [customScrollbarThumbHeight, setCustomScrollbarThumbHeight] =
+    useState(0);
   const hideScrollbarTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(
     null,
   );
@@ -192,10 +194,7 @@ export default function ChatInput({
       return;
     }
 
-    const trackHeight = Math.max(
-      0,
-      viewportHeight - SCROLLBAR_TRACK_INSET * 2,
-    );
+    const trackHeight = Math.max(0, viewportHeight - SCROLLBAR_TRACK_INSET * 2);
     if (trackHeight <= 0) return;
 
     const thumbHeight = Math.max(
@@ -216,7 +215,8 @@ export default function ChatInput({
   const getInputScrollableElement = (event?: unknown) => {
     const eventLike = event as ScrollbarEventLike | undefined;
     if (isHTMLElement(eventLike?.currentTarget)) return eventLike.currentTarget;
-    if (inputScrollableElementRef.current) return inputScrollableElementRef.current;
+    if (inputScrollableElementRef.current)
+      return inputScrollableElementRef.current;
 
     if (typeof document === "undefined") return null;
     const inputElement = document.querySelector(CHAT_INPUT_SELECTOR);
@@ -232,10 +232,7 @@ export default function ChatInput({
     const contentHeight = toInputDimension(scrollElement.scrollHeight);
     const viewportHeight = toInputDimension(scrollElement.clientHeight);
 
-    const trackHeight = Math.max(
-      1,
-      viewportHeight - SCROLLBAR_TRACK_INSET * 2,
-    );
+    const trackHeight = Math.max(1, viewportHeight - SCROLLBAR_TRACK_INSET * 2);
     const thumbHeight = Math.max(
       SCROLLBAR_MIN_THUMB_HEIGHT,
       Math.min(trackHeight, (viewportHeight / contentHeight) * trackHeight),
@@ -253,7 +250,8 @@ export default function ChatInput({
     scrollElement: HTMLElement;
     scrollTop?: number;
   }) => {
-    const { contentHeight, viewportHeight } = getInputScrollMetrics(scrollElement);
+    const { contentHeight, viewportHeight } =
+      getInputScrollMetrics(scrollElement);
     const normalizedScrollTop = Math.max(0, scrollTop);
 
     inputScrollTopRef.current = normalizedScrollTop;
@@ -265,7 +263,10 @@ export default function ChatInput({
   };
 
   const restoreDocumentUserSelect = () => {
-    if (typeof document === "undefined" || restoreUserSelectRef.current === null) {
+    if (
+      typeof document === "undefined" ||
+      restoreUserSelectRef.current === null
+    ) {
       return;
     }
     document.body.style.userSelect = restoreUserSelectRef.current;
@@ -316,12 +317,16 @@ export default function ChatInput({
 
     cancelEventSelection(event);
 
-    const { maxThumbOffset, maxScrollTop } =
-      getInputScrollMetrics(inputScrollableElement);
+    const { maxThumbOffset, maxScrollTop } = getInputScrollMetrics(
+      inputScrollableElement,
+    );
     const deltaY = pageY - dragState.startPageY;
     const nextScrollTop = Math.min(
       maxScrollTop,
-      Math.max(0, dragState.startScrollTop + (deltaY / maxThumbOffset) * maxScrollTop),
+      Math.max(
+        0,
+        dragState.startScrollTop + (deltaY / maxThumbOffset) * maxScrollTop,
+      ),
     );
 
     inputScrollableElement.scrollTop = nextScrollTop;
@@ -528,7 +533,10 @@ export default function ChatInput({
               </Text>
             </Pressable>
 
-            <View ref={modeDropdownContainerRef} style={styles.modeSelectorContainer}>
+            <View
+              ref={modeDropdownContainerRef}
+              style={styles.modeSelectorContainer}
+            >
               <Pressable
                 style={[
                   styles.modeSelectorTrigger,
@@ -544,7 +552,10 @@ export default function ChatInput({
               >
                 <Text
                   numberOfLines={1}
-                  style={[styles.modeSelectorTriggerText, { color: colors.text }]}
+                  style={[
+                    styles.modeSelectorTriggerText,
+                    { color: colors.text },
+                  ]}
                 >
                   {activeMode.title}
                 </Text>
@@ -615,12 +626,18 @@ export default function ChatInput({
                   style={[
                     styles.iconChip,
                     {
-                      backgroundColor: isOpen ? colors.backgroundFlat : colors.card,
+                      backgroundColor: isOpen
+                        ? colors.backgroundFlat
+                        : colors.card,
                     },
                   ]}
                   onPress={() => setIsOpen((o) => !o)}
                 >
-                  <ToolsIcon stroke={colors.placeholder} width={16} height={16} />
+                  <ToolsIcon
+                    stroke={colors.placeholder}
+                    width={16}
+                    height={16}
+                  />
                 </Pressable>
               )}
             >