Merge branch 'V2' into booklet

frontend/src/tools/AddPassword.tsx

@@ -1,15 +1,14 @@
-import React, { useEffect, useState } from "react";
+import { useEffect, useState } from "react";
 import { useTranslation } from "react-i18next";
 import { useEndpointEnabled } from "../hooks/useEndpointConfig";
 import { useFileSelection } from "../contexts/FileContext";
-import { useNavigationActions } from "../contexts/NavigationContext";
 
 import { createToolFlow } from "../components/tools/shared/createToolFlow";
 
 import AddPasswordSettings from "../components/tools/addPassword/AddPasswordSettings";
 import ChangePermissionsSettings from "../components/tools/changePermissions/ChangePermissionsSettings";
 
-import { useAddPasswordParameters, defaultParameters } from "../hooks/tools/addPassword/useAddPasswordParameters";
+import { useAddPasswordParameters } from "../hooks/tools/addPassword/useAddPasswordParameters";
 import { useAddPasswordOperation } from "../hooks/tools/addPassword/useAddPasswordOperation";
 import { useAddPasswordTips } from "../components/tooltips/useAddPasswordTips";
 import { useAddPasswordPermissionsTips } from "../components/tooltips/useAddPasswordPermissionsTips";
@@ -17,7 +16,6 @@ import { BaseToolProps, ToolComponent } from "../types/tool";
 
 const AddPassword = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
   const { t } = useTranslation();
-  const { actions } = useNavigationActions();
   const { selectedFiles } = useFileSelection();
 
   const [collapsedPermissions, setCollapsedPermissions] = useState(true);

frontend/src/tools/AddWatermark.tsx

@@ -1,8 +1,7 @@
-import React, { useEffect, useState } from "react";
+import { useEffect, useState } from "react";
 import { useTranslation } from "react-i18next";
 import { useEndpointEnabled } from "../hooks/useEndpointConfig";
 import { useFileSelection } from "../contexts/FileContext";
-import { useNavigationActions } from "../contexts/NavigationContext";
 
 import { createToolFlow } from "../components/tools/shared/createToolFlow";
 
@@ -25,7 +24,6 @@ import { BaseToolProps, ToolComponent } from "../types/tool";
 
 const AddWatermark = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
   const { t } = useTranslation();
-  const { actions } = useNavigationActions();
   const { selectedFiles } = useFileSelection();
 
   const [collapsedType, setCollapsedType] = useState(false);

frontend/src/tools/Automate.tsx

@@ -1,6 +1,5 @@
-import React, { useState, useMemo, useEffect } from "react";
+import React, { useState, useMemo } from "react";
 import { useTranslation } from "react-i18next";
-import { useFileContext } from "../contexts/FileContext";
 import { useFileSelection } from "../contexts/FileContext";
 import { useNavigationActions } from "../contexts/NavigationContext";
 import { useToolWorkflow } from "../contexts/ToolWorkflowContext";

frontend/src/tools/Convert.tsx

@@ -1,8 +1,7 @@
-import React, { useEffect, useRef } from "react";
+import { useEffect, useRef } from "react";
 import { useTranslation } from "react-i18next";
 import { useEndpointEnabled } from "../hooks/useEndpointConfig";
 import { useFileState, useFileSelection } from "../contexts/FileContext";
-import { useNavigationActions } from "../contexts/NavigationContext";
 
 import { createToolFlow } from "../components/tools/shared/createToolFlow";
 
@@ -15,7 +14,6 @@ import { BaseToolProps, ToolComponent } from "../types/tool";
 const Convert = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
   const { t } = useTranslation();
   const { selectors } = useFileState();
-  const { actions } = useNavigationActions();
   const activeFiles = selectors.getFiles();
   const { selectedFiles } = useFileSelection();
   const scrollContainerRef = useRef<HTMLDivElement>(null);

frontend/src/tools/Flatten.tsx

@@ -0,0 +1,62 @@
+import { useTranslation } from "react-i18next";
+import { createToolFlow } from "../components/tools/shared/createToolFlow";
+import FlattenSettings from "../components/tools/flatten/FlattenSettings";
+import { useFlattenParameters } from "../hooks/tools/flatten/useFlattenParameters";
+import { useFlattenOperation } from "../hooks/tools/flatten/useFlattenOperation";
+import { useBaseTool } from "../hooks/tools/shared/useBaseTool";
+import { useFlattenTips } from "../components/tooltips/useFlattenTips";
+import { BaseToolProps, ToolComponent } from "../types/tool";
+
+const Flatten = (props: BaseToolProps) => {
+  const { t } = useTranslation();
+  const flattenTips = useFlattenTips();
+
+  const base = useBaseTool(
+    'flatten',
+    useFlattenParameters,
+    useFlattenOperation,
+    props
+  );
+
+  return createToolFlow({
+    files: {
+      selectedFiles: base.selectedFiles,
+      isCollapsed: base.hasResults,
+      placeholder: t("flatten.files.placeholder", "Select a PDF file in the main view to get started"),
+    },
+    steps: [
+      {
+        title: t("flatten.options.stepTitle", "Flatten Options"),
+        isCollapsed: base.settingsCollapsed,
+        onCollapsedClick: base.settingsCollapsed ? base.handleSettingsReset : undefined,
+        tooltip: flattenTips,
+        content: (
+          <FlattenSettings
+            parameters={base.params.parameters}
+            onParameterChange={base.params.updateParameter}
+            disabled={base.endpointLoading}
+          />
+        ),
+      },
+    ],
+    executeButton: {
+      text: t("flatten.submit", "Flatten PDF"),
+      isVisible: !base.hasResults,
+      loadingText: t("loading"),
+      onClick: base.handleExecute,
+      disabled: !base.params.validateParameters() || !base.hasFiles || !base.endpointEnabled,
+    },
+    review: {
+      isVisible: base.hasResults,
+      operation: base.operation,
+      title: t("flatten.results.title", "Flatten Results"),
+      onFileClick: base.handleThumbnailClick,
+      onUndo: base.handleUndo,
+    },
+  });
+};
+
+// Static method to get the operation hook for automation
+Flatten.tool = () => useFlattenOperation;
+
+export default Flatten as ToolComponent;

frontend/src/tools/OCR.tsx

@@ -2,7 +2,6 @@ import React, { useEffect, useState } from "react";
 import { useTranslation } from "react-i18next";
 import { useEndpointEnabled } from "../hooks/useEndpointConfig";
 import { useFileSelection } from "../contexts/FileContext";
-import { useNavigationActions } from "../contexts/NavigationContext";
 
 import { createToolFlow } from "../components/tools/shared/createToolFlow";
 

frontend/src/tools/Split.tsx

@@ -1,4 +1,3 @@
-import { useEffect } from "react";
 import { useTranslation } from "react-i18next";
 import { createToolFlow } from "../components/tools/shared/createToolFlow";
 import SplitSettings from "../components/tools/split/SplitSettings";