15 files changed, 2754 insertions, 0 deletions
diff --git a/lib/vendor-candidates/service.ts b/lib/vendor-candidates/service.ts
new file mode 100644
index 00000000..68971f18
--- /dev/null
+++ b/lib/vendor-candidates/service.ts
@@ -0,0 +1,360 @@
+"use server"; // Next.js 서버 액션에서 직접 import하려면 (선택)
+
+import { vendorCandidates} from "@/db/schema/vendors"
+import { asc, desc, ilike, inArray, and, or, gte, lte, eq, isNull, count } from "drizzle-orm";
+import { revalidateTag, unstable_noStore } from "next/cache";
+import { filterColumns } from "@/lib/filter-columns";
+import { unstable_cache } from "@/lib/unstable-cache";
+import { getErrorMessage } from "@/lib/handle-error";
+import db from "@/db/db";
+import { sendEmail } from "../mail/sendEmail";
+import { CreateVendorCandidateSchema, createVendorCandidateSchema, GetVendorsCandidateSchema, RemoveCandidatesInput, removeCandidatesSchema, updateVendorCandidateSchema, UpdateVendorCandidateSchema } from "./validations";
+import { PgTransaction } from "drizzle-orm/pg-core";
+
+export async function getVendorCandidates(input: GetVendorsCandidateSchema) {
+  return unstable_cache(
+    async () => {
+      try {
+        const offset = (input.page - 1) * input.perPage
+
+        // 1) Advanced filters
+        const advancedWhere = filterColumns({
+          table: vendorCandidates,
+          filters: input.filters,
+          joinOperator: input.joinOperator,
+        })
+
+        // 2) Global search
+        let globalWhere
+        if (input.search) {
+          const s = `%${input.search}%`
+          globalWhere = or(
+            ilike(vendorCandidates.companyName, s),
+            ilike(vendorCandidates.contactEmail, s),
+            ilike(vendorCandidates.contactPhone, s),
+            ilike(vendorCandidates.country, s),
+            ilike(vendorCandidates.source, s),
+            ilike(vendorCandidates.status, s),
+            // etc.
+          )
+        }
+
+        // 3) Combine finalWhere
+        // Example: Only show vendorStatus = "PQ_SUBMITTED"
+        const finalWhere = and(
+          advancedWhere,
+          globalWhere,
+        )
+
+
+
+        // 5) Sorting
+        const orderBy =
+          input.sort && input.sort.length > 0
+            ? input.sort.map((item) =>
+              item.desc
+                ? desc(vendorCandidates[item.id])
+                : asc(vendorCandidates[item.id])
+            )
+            : [desc(vendorCandidates.createdAt)]
+
+        // 6) Query & count
+        const { data, total } = await db.transaction(async (tx) => {
+          // a) Select from the view
+          const candidatesData = await tx
+            .select()
+            .from(vendorCandidates)
+            .where(finalWhere)
+            .orderBy(...orderBy)
+            .offset(offset)
+            .limit(input.perPage)
+
+          // b) Count total
+          const resCount = await tx
+            .select({ count: count() })
+            .from(vendorCandidates)
+            .where(finalWhere)
+
+          return { data: candidatesData, total: resCount[0]?.count }
+        })
+
+        // 7) Calculate pageCount
+        const pageCount = Math.ceil(total / input.perPage)
+
+        // Now 'data' already contains JSON arrays of contacts & items
+        // thanks to the subqueries in the view definition!
+        return { data, pageCount }
+      } catch (err) {
+        console.error(err)
+        return { data: [], pageCount: 0 }
+      }
+    },
+    // Cache key
+    [JSON.stringify(input)],
+    {
+      revalidate: 3600,
+      tags: ["vendor-candidates"],
+    }
+  )()
+}
+
+export async function createVendorCandidate(input: CreateVendorCandidateSchema) {
+  try {
+    // Validate input
+    const validated = createVendorCandidateSchema.parse(input);
+
+    // Insert into database
+    const [newCandidate] = await db
+      .insert(vendorCandidates)
+      .values({
+        companyName: validated.companyName,
+        contactEmail: validated.contactEmail,
+        contactPhone: validated.contactPhone || null,
+        country: validated.country || null,
+        source: validated.source || null,
+        status: validated.status,
+        createdAt: new Date(),
+        updatedAt: new Date(),
+      })
+      .returning();
+
+    // Invalidate cache
+    revalidateTag("vendor-candidates");
+
+    return { success: true, data: newCandidate };
+  } catch (error) {
+    console.error("Failed to create vendor candidate:", error);
+    return { success: false, error: getErrorMessage(error) };
+  }
+}
+
+
+// Helper function to group vendor candidates by status
+async function groupVendorCandidatesByStatus(  tx: PgTransaction<any, any, any>,) {
+  return tx
+    .select({
+      status: vendorCandidates.status,
+      count: count(),
+    })
+    .from(vendorCandidates)
+    .groupBy(vendorCandidates.status);
+}
+
+/**
+ * Get count of vendor candidates grouped by status
+ */
+export async function getVendorCandidateCounts() {
+  return unstable_cache(
+    async () => {
+      try {
+        // Initialize counts object with all possible statuses set to 0
+        const initial: Record<"COLLECTED" | "INVITED" | "DISCARDED", number> = {
+          COLLECTED: 0,
+          INVITED: 0,
+          DISCARDED: 0,
+        };
+
+        // Execute query within transaction and transform results
+        const result = await db.transaction(async (tx) => {
+          const rows = await groupVendorCandidatesByStatus(tx);
+          return rows.reduce<Record<string, number>>((acc, { status, count }) => {
+            if (status in acc) {
+              acc[status] = count;
+            }
+            return acc;
+          }, initial);
+        });
+
+        return result;
+      } catch (err) {
+        console.error("Failed to get vendor candidate counts:", err);
+        return {
+          COLLECTED: 0,
+          INVITED: 0,
+          DISCARDED: 0,
+        };
+      }
+    },
+    ["vendor-candidate-status-counts"], // Cache key
+    {
+      revalidate: 3600, // Revalidate every hour
+      // tags: ["vendor-candidates"], // Use the same tag as other vendor candidate functions
+    }
+  )();
+}
+
+
+/**
+ * Update a vendor candidate
+ */
+export async function updateVendorCandidate(input: UpdateVendorCandidateSchema) {
+  try {
+    // Validate input
+    const validated = updateVendorCandidateSchema.parse(input);
+    
+    // Prepare update data (excluding id)
+    const { id, ...updateData } = validated;
+    
+    // Add updatedAt timestamp
+    const dataToUpdate = {
+      ...updateData,
+      updatedAt: new Date(),
+    };
+
+    // Update database
+    const [updatedCandidate] = await db
+      .update(vendorCandidates)
+      .set(dataToUpdate)
+      .where(eq(vendorCandidates.id, id))
+      .returning();
+
+    // If status was updated to "INVITED", send email
+    if (validated.status === "INVITED" && updatedCandidate.contactEmail) {
+      await sendEmail({
+        to: updatedCandidate.contactEmail,
+        subject: "Invitation to Register as a Vendor",
+        template: "vendor-invitation",
+        context: {
+          companyName: updatedCandidate.companyName,
+          language: "en",
+          registrationLink: `${process.env.NEXT_PUBLIC_APP_URL}/en/partners`,
+        }
+      });
+    }
+
+    // Invalidate cache
+    revalidateTag("vendor-candidates");
+
+    return { success: true, data: updatedCandidate };
+  } catch (error) {
+    console.error("Failed to update vendor candidate:", error);
+    return { success: false, error: getErrorMessage(error) };
+  }
+}
+
+/**
+ * Update status of multiple vendor candidates at once
+ */
+export async function bulkUpdateVendorCandidateStatus({
+  ids,
+  status
+}: {
+  ids: number[],
+  status: "COLLECTED" | "INVITED" | "DISCARDED"
+}) {
+  try {
+    // Validate inputs
+    if (!ids.length) {
+      return { success: false, error: "No IDs provided" };
+    }
+    
+    if (!["COLLECTED", "INVITED", "DISCARDED"].includes(status)) {
+      return { success: false, error: "Invalid status" };
+    }
+
+    // Get current data of candidates (needed for email sending)
+    const candidatesBeforeUpdate = await db
+      .select()
+      .from(vendorCandidates)
+      .where(inArray(vendorCandidates.id, ids));
+
+    // Update all records
+    const updatedCandidates = await db
+      .update(vendorCandidates)
+      .set({
+        status,
+        updatedAt: new Date(),
+      })
+      .where(inArray(vendorCandidates.id, ids))
+      .returning();
+
+    // If status is "INVITED", send emails to all updated candidates
+    if (status === "INVITED") {
+      const emailPromises = updatedCandidates
+        .filter(candidate => candidate.contactEmail)
+        .map(candidate => 
+          sendEmail({
+            to: candidate.contactEmail!,
+            subject: "Invitation to Register as a Vendor",
+            template: "vendor-invitation",
+            context: {
+              companyName: candidate.companyName,
+              language: "en",
+              registrationLink: `${process.env.NEXT_PUBLIC_APP_URL}/en/partners`,
+            }
+          })
+        );
+      
+      // Wait for all emails to be sent
+      await Promise.all(emailPromises);
+    }
+
+    // Invalidate cache
+    revalidateTag("vendor-candidates");
+
+    return { 
+      success: true, 
+      data: updatedCandidates,
+      count: updatedCandidates.length
+    };
+  } catch (error) {
+    console.error("Failed to bulk update vendor candidates:", error);
+    return { success: false, error: getErrorMessage(error) };
+  }
+}
+
+
+
+
+/**
+ * Remove multiple vendor candidates by their IDs
+ */
+export async function removeCandidates(input: RemoveCandidatesInput) {
+  try {
+    // Validate input
+    const validated = removeCandidatesSchema.parse(input);
+
+    // Get candidates before deletion (for logging purposes)
+    const candidatesBeforeDelete = await db
+      .select({
+        id: vendorCandidates.id,
+        companyName: vendorCandidates.companyName,
+      })
+      .from(vendorCandidates)
+      .where(inArray(vendorCandidates.id, validated.ids));
+
+    // Delete the candidates
+    const deletedCandidates = await db
+      .delete(vendorCandidates)
+      .where(inArray(vendorCandidates.id, validated.ids))
+      .returning({ id: vendorCandidates.id });
+
+    // If no candidates were deleted, return an error
+    if (!deletedCandidates.length) {
+      return {
+        success: false,
+        error: "No candidates were found with the provided IDs",
+      };
+    }
+
+    // Log deletion for audit purposes
+    console.log(
+      `Deleted ${deletedCandidates.length} vendor candidates:`,
+      candidatesBeforeDelete.map(c => `${c.id} (${c.companyName})`)
+    );
+
+    // Invalidate cache
+    revalidateTag("vendor-candidates");
+    revalidateTag("vendor-candidate-status-counts");
+    revalidateTag("vendor-candidate-total-count");
+
+    return {
+      success: true,
+      count: deletedCandidates.length,
+      deletedIds: deletedCandidates.map(c => c.id),
+    };
+  } catch (error) {
+    console.error("Failed to remove vendor candidates:", error);
+    return { success: false, error: getErrorMessage(error) };
+  }
+}
+\ No newline at end of file
diff --git a/lib/vendor-candidates/table/add-candidates-dialog.tsx b/lib/vendor-candidates/table/add-candidates-dialog.tsx
new file mode 100644
index 00000000..db475064
--- /dev/null
+++ b/lib/vendor-candidates/table/add-candidates-dialog.tsx
@@ -0,0 +1,327 @@
+"use client"
+
+import * as React from "react"
+import { useForm } from "react-hook-form"
+import { zodResolver } from "@hookform/resolvers/zod"
+import { Check, ChevronsUpDown } from "lucide-react"
+import i18nIsoCountries from "i18n-iso-countries"
+import enLocale from "i18n-iso-countries/langs/en.json"
+import koLocale from "i18n-iso-countries/langs/ko.json"
+import { cn } from "@/lib/utils"
+
+import { Dialog, DialogTrigger, DialogContent, DialogHeader, DialogTitle, DialogDescription, DialogFooter } from "@/components/ui/dialog"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from "@/components/ui/popover"
+import {
+  Command,
+  CommandEmpty,
+  CommandGroup,
+  CommandInput,
+  CommandItem,
+  CommandList,
+} from "@/components/ui/command"
+
+// react-hook-form + shadcn/ui Form
+import {
+  Form,
+  FormControl,
+  FormField,
+  FormItem,
+  FormLabel,
+  FormMessage,
+} from "@/components/ui/form"
+
+// shadcn/ui Select
+import {
+  Select,
+  SelectContent,
+  SelectGroup,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select"
+
+import { createVendorCandidateSchema, CreateVendorCandidateSchema } from "../validations"
+import { createVendorCandidate } from "../service"
+import { vendorCandidates } from "@/db/schema/vendors"
+
+// Register locales for countries
+i18nIsoCountries.registerLocale(enLocale)
+i18nIsoCountries.registerLocale(koLocale)
+
+// Generate country array
+const locale = "ko"
+const countryMap = i18nIsoCountries.getNames(locale, { select: "official" })
+const countryArray = Object.entries(countryMap).map(([code, label]) => ({
+  code,
+  label,
+}))
+
+export function AddCandidateDialog() {
+  const [open, setOpen] = React.useState(false)
+  const [isSubmitting, setIsSubmitting] = React.useState(false)
+
+  // react-hook-form 세팅
+  const form = useForm<CreateVendorCandidateSchema>({
+    resolver: zodResolver(createVendorCandidateSchema),
+    defaultValues: {
+      companyName: "",
+      contactEmail: "",
+      contactPhone: "",
+      country: "",
+      source: "",
+      status: "COLLECTED", // Default status set to COLLECTED
+    },
+  })
+
+  async function onSubmit(data: CreateVendorCandidateSchema) {
+    setIsSubmitting(true)
+    try {
+      const result = await createVendorCandidate(data)
+      if (result.error) {
+        alert(`에러: ${result.error}`)
+        return
+      }
+      // 성공 시 모달 닫고 폼 리셋
+      form.reset()
+      setOpen(false)
+    } catch (error) {
+      console.error("Failed to create vendor candidate:", error)
+      alert("An unexpected error occurred")
+    } finally {
+      setIsSubmitting(false)
+    }
+  }
+
+  function handleDialogOpenChange(nextOpen: boolean) {
+    if (!nextOpen) {
+      form.reset()
+    }
+    setOpen(nextOpen)
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={handleDialogOpenChange}>
+      {/* 모달을 열기 위한 버튼 */}
+      <DialogTrigger asChild>
+        <Button variant="default" size="sm">
+          Add Vendor Candidate
+        </Button>
+      </DialogTrigger>
+
+      <DialogContent className="sm:max-w-[425px]">
+        <DialogHeader>
+          <DialogTitle>Create New Vendor Candidate</DialogTitle>
+          <DialogDescription>
+            새 Vendor Candidate 정보를 입력하고 <b>Create</b> 버튼을 누르세요.
+          </DialogDescription>
+        </DialogHeader>
+
+        {/* shadcn/ui Form을 이용해 react-hook-form과 연결 */}
+        <Form {...form}>
+          <form onSubmit={form.handleSubmit(onSubmit)}>
+            <div className="space-y-4 py-4">
+              {/* Company Name 필드 */}
+              <FormField
+                control={form.control}
+                name="companyName"
+                render={({ field }) => (
+                  <FormItem>
+                    <FormLabel className="after:content-['*'] after:ml-0.5 after:text-red-500">
+                      Company Name
+                    </FormLabel>
+                    <FormControl>
+                      <Input
+                        placeholder="Enter company name"
+                        {...field}
+                        disabled={isSubmitting}
+                      />
+                    </FormControl>
+                    <FormMessage />
+                  </FormItem>
+                )}
+              />
+
+              {/* Contact Email 필드 */}
+              <FormField
+                control={form.control}
+                name="contactEmail"
+                render={({ field }) => (
+                  <FormItem>
+                    <FormLabel className="after:content-['*'] after:ml-0.5 after:text-red-500">
+                      Contact Email
+                    </FormLabel>
+                    <FormControl>
+                      <Input
+                        placeholder="email@example.com"
+                        type="email"
+                        {...field}
+                        disabled={isSubmitting}
+                      />
+                    </FormControl>
+                    <FormMessage />
+                  </FormItem>
+                )}
+              />
+
+              {/* Contact Phone 필드 */}
+              <FormField
+                control={form.control}
+                name="contactPhone"
+                render={({ field }) => (
+                  <FormItem>
+                    <FormLabel>Contact Phone</FormLabel>
+                    <FormControl>
+                      <Input
+                        placeholder="+82-10-1234-5678"
+                        {...field}
+                        disabled={isSubmitting}
+                      />
+                    </FormControl>
+                    <FormMessage />
+                  </FormItem>
+                )}
+              />
+
+              {/* Country 필드 */}
+              <FormField
+                control={form.control}
+                name="country"
+                render={({ field }) => {
+                  const selectedCountry = countryArray.find(
+                    (c) => c.code === field.value
+                  )
+                  return (
+                    <FormItem>
+                      <FormLabel>Country</FormLabel>
+                      <Popover>
+                        <PopoverTrigger asChild>
+                          <FormControl>
+                            <Button
+                              variant="outline"
+                              role="combobox"
+                              className={cn(
+                                "w-full justify-between",
+                                !field.value && "text-muted-foreground"
+                              )}
+                              disabled={isSubmitting}
+                            >
+                              {selectedCountry
+                                ? selectedCountry.label
+                                : "Select a country"}
+                              <ChevronsUpDown className="ml-2 h-4 w-4 opacity-50" />
+                            </Button>
+                          </FormControl>
+                        </PopoverTrigger>
+                        <PopoverContent className="w-[300px] p-0">
+                          <Command>
+                            <CommandInput placeholder="Search country..." />
+                            <CommandList>
+                              <CommandEmpty>No country found.</CommandEmpty>
+                              <CommandGroup className="max-h-[300px] overflow-y-auto">
+                                {countryArray.map((country) => (
+                                  <CommandItem
+                                    key={country.code}
+                                    value={country.label}
+                                    onSelect={() =>
+                                      field.onChange(country.code)
+                                    }
+                                  >
+                                    <Check
+                                      className={cn(
+                                        "mr-2 h-4 w-4",
+                                        country.code === field.value
+                                          ? "opacity-100"
+                                          : "opacity-0"
+                                      )}
+                                    />
+                                    {country.label}
+                                  </CommandItem>
+                                ))}
+                              </CommandGroup>
+                            </CommandList>
+                          </Command>
+                        </PopoverContent>
+                      </Popover>
+                      <FormMessage />
+                    </FormItem>
+                  )
+                }}
+              />
+
+              {/* Source 필드 */}
+              <FormField
+                control={form.control}
+                name="source"
+                render={({ field }) => (
+                  <FormItem>
+                    <FormLabel>Source</FormLabel>
+                    <FormControl>
+                      <Input
+                        placeholder="Where this candidate was found"
+                        {...field}
+                        disabled={isSubmitting}
+                      />
+                    </FormControl>
+                    <FormMessage />
+                  </FormItem>
+                )}
+              />
+
+              {/* Status 필드 */}
+              {/* <FormField
+                control={form.control}
+                name="status"
+                render={({ field }) => (
+                  <FormItem>
+                    <FormLabel>Status</FormLabel>
+                    <Select
+                      onValueChange={field.onChange}
+                      defaultValue={field.value}
+                      disabled={isSubmitting}
+                    >
+                      <FormControl>
+                        <SelectTrigger>
+                          <SelectValue placeholder="Select status" />
+                        </SelectTrigger>
+                      </FormControl>
+                      <SelectContent>
+                        <SelectGroup>
+                          {vendorCandidates.status.enumValues.map((status) => (
+                            <SelectItem key={status} value={status}>
+                              {status}
+                            </SelectItem>
+                          ))}
+                        </SelectGroup>
+                      </SelectContent>
+                    </Select>
+                    <FormMessage />
+                  </FormItem>
+                )}
+              /> */}
+            </div>
+
+            <DialogFooter>
+              <Button
+                type="button"
+                variant="outline"
+                onClick={() => setOpen(false)}
+                disabled={isSubmitting}
+              >
+                Cancel
+              </Button>
+              <Button type="submit" disabled={isSubmitting}>
+                {isSubmitting ? "Creating..." : "Create"}
+              </Button>
+            </DialogFooter>
+          </form>
+        </Form>
+      </DialogContent>
+    </Dialog>
+  )
+}
+\ No newline at end of file
diff --git a/lib/vendor-candidates/table/candidates-table-columns.tsx b/lib/vendor-candidates/table/candidates-table-columns.tsx
new file mode 100644
index 00000000..dc014d4e
--- /dev/null
+++ b/lib/vendor-candidates/table/candidates-table-columns.tsx
@@ -0,0 +1,193 @@
+"use client"
+
+import * as React from "react"
+import { type DataTableRowAction } from "@/types/table"
+import { type ColumnDef } from "@tanstack/react-table"
+import { Ellipsis } from "lucide-react"
+import { toast } from "sonner"
+
+import { getErrorMessage } from "@/lib/handle-error"
+import { formatDate } from "@/lib/utils"
+import { Badge } from "@/components/ui/badge"
+import { Button } from "@/components/ui/button"
+import { Checkbox } from "@/components/ui/checkbox"
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuRadioGroup,
+  DropdownMenuRadioItem,
+  DropdownMenuSeparator,
+  DropdownMenuShortcut,
+  DropdownMenuSub,
+  DropdownMenuSubContent,
+  DropdownMenuSubTrigger,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu"
+import { DataTableColumnHeader } from "@/components/data-table/data-table-column-header"
+
+import { VendorCandidates, vendorCandidates } from "@/db/schema/vendors"
+import { getCandidateStatusIcon } from "@/lib/vendor-candidates/utils"
+import { candidateColumnsConfig } from "@/config/candidatesColumnsConfig"
+
+interface GetColumnsProps {
+  setRowAction: React.Dispatch<React.SetStateAction<DataTableRowAction<VendorCandidates> | null>>
+}
+
+/**
+ * tanstack table 컬럼 정의 (중첩 헤더 버전)
+ */
+export function getColumns({ setRowAction }: GetColumnsProps): ColumnDef<VendorCandidates>[] {
+  // ----------------------------------------------------------------
+  // 1) select 컬럼 (체크박스)
+  // ----------------------------------------------------------------
+  const selectColumn: ColumnDef<VendorCandidates> = {
+    id: "select",
+    header: ({ table }) => (
+      <Checkbox
+        checked={
+          table.getIsAllPageRowsSelected() ||
+          (table.getIsSomePageRowsSelected() && "indeterminate")
+        }
+        onCheckedChange={(value) => table.toggleAllPageRowsSelected(!!value)}
+        aria-label="Select all"
+        className="translate-y-0.5"
+      />
+    ),
+    cell: ({ row }) => (
+      <Checkbox
+        checked={row.getIsSelected()}
+        onCheckedChange={(value) => row.toggleSelected(!!value)}
+        aria-label="Select row"
+        className="translate-y-0.5"
+      />
+    ),
+    size:40,
+    enableSorting: false,
+    enableHiding: false,
+  }
+
+  // ----------------------------------------------------------------
+  // 2) actions 컬럼 (Dropdown 메뉴)
+  // ----------------------------------------------------------------
+  const actionsColumn: ColumnDef<VendorCandidates> = {
+    id: "actions",
+    enableHiding: false,
+    cell: function Cell({ row }) {
+      const [isUpdatePending, startUpdateTransition] = React.useTransition()
+
+      return (
+        <DropdownMenu>
+          <DropdownMenuTrigger asChild>
+            <Button
+              aria-label="Open menu"
+              variant="ghost"
+              className="flex size-8 p-0 data-[state=open]:bg-muted"
+            >
+              <Ellipsis className="size-4" aria-hidden="true" />
+            </Button>
+          </DropdownMenuTrigger>
+          <DropdownMenuContent align="end" className="w-40">
+            <DropdownMenuItem
+              onSelect={() => setRowAction({ row, type: "update" })}
+            >
+              Edit
+            </DropdownMenuItem>
+
+            <DropdownMenuItem
+              onSelect={() => setRowAction({ row, type: "delete" })}
+            >
+              Delete
+              <DropdownMenuShortcut>⌘⌫</DropdownMenuShortcut>
+            </DropdownMenuItem>
+          </DropdownMenuContent>
+        </DropdownMenu>
+      )
+    },
+    size: 40,
+  }
+
+  // ----------------------------------------------------------------
+  // 3) 일반 컬럼들을 "그룹"별로 묶어 중첩 columns 생성
+  // ----------------------------------------------------------------
+  // 3-1) groupMap: { [groupName]: ColumnDef<VendorCandidates>[] }
+  const groupMap: Record<string, ColumnDef<VendorCandidates>[]> = {}
+
+  candidateColumnsConfig.forEach((cfg) => {
+    // 만약 group가 없으면 "_noGroup" 처리
+    const groupName = cfg.group || "_noGroup"
+
+    if (!groupMap[groupName]) {
+      groupMap[groupName] = []
+    }
+
+    // child column 정의
+    const childCol: ColumnDef<VendorCandidates> = {
+      accessorKey: cfg.id,
+      enableResizing: true,
+      header: ({ column }) => (
+        <DataTableColumnHeader column={column} title={cfg.label} />
+      ),
+      meta: {
+        excelHeader: cfg.excelHeader,
+        group: cfg.group,
+        type: cfg.type,
+      },
+      cell: ({ row, cell }) => {
+
+        if (cfg.id === "status") {
+          const statusVal = row.original.status
+          if (!statusVal) return null
+          const Icon = getCandidateStatusIcon(statusVal)
+          return (
+            <div className="flex w-[6.25rem] items-center">
+              <Icon className="mr-2 size-4 text-muted-foreground" aria-hidden="true" />
+              <span className="capitalize">{statusVal}</span>
+            </div>
+          )
+        }
+
+
+        if (cfg.id === "createdAt") {
+          const dateVal = cell.getValue() as Date
+          return formatDate(dateVal)
+        }
+
+        // code etc...
+        return row.getValue(cfg.id) ?? ""
+      },
+    }
+
+    groupMap[groupName].push(childCol)
+  })
+
+  // ----------------------------------------------------------------
+  // 3-2) groupMap에서 실제 상위 컬럼(그룹)을 만들기
+  // ----------------------------------------------------------------
+  const nestedColumns: ColumnDef<VendorCandidates>[] = []
+
+  // 순서를 고정하고 싶다면 group 순서를 미리 정의하거나 sort해야 함
+  // 여기서는 그냥 Object.entries 순서
+  Object.entries(groupMap).forEach(([groupName, colDefs]) => {
+    if (groupName === "_noGroup") {
+      // 그룹 없음 → 그냥 최상위 레벨 컬럼
+      nestedColumns.push(...colDefs)
+    } else {
+      // 상위 컬럼
+      nestedColumns.push({
+        id: groupName,
+        header: groupName, // "Basic Info", "Metadata" 등
+        columns: colDefs,
+      })
+    }
+  })
+
+  // ----------------------------------------------------------------
+  // 4) 최종 컬럼 배열: select, nestedColumns, actions
+  // ----------------------------------------------------------------
+  return [
+    selectColumn,
+    ...nestedColumns,
+    actionsColumn,
+  ]
+}
+\ No newline at end of file
diff --git a/lib/vendor-candidates/table/candidates-table-floating-bar.tsx b/lib/vendor-candidates/table/candidates-table-floating-bar.tsx
new file mode 100644
index 00000000..2696292d
--- /dev/null
+++ b/lib/vendor-candidates/table/candidates-table-floating-bar.tsx
@@ -0,0 +1,337 @@
+"use client"
+
+import * as React from "react"
+import { SelectTrigger } from "@radix-ui/react-select"
+import { type Table } from "@tanstack/react-table"
+import {
+  ArrowUp,
+  CheckCircle2,
+  Download,
+  Loader,
+  Trash2,
+  X,
+  Mail,
+} from "lucide-react"
+import { toast } from "sonner"
+
+import { exportTableToExcel } from "@/lib/export"
+import { Button } from "@/components/ui/button"
+import { Portal } from "@/components/ui/portal"
+import {
+  Select,
+  SelectContent,
+  SelectGroup,
+  SelectItem,
+} from "@/components/ui/select"
+import { Separator } from "@/components/ui/separator"
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipTrigger,
+} from "@/components/ui/tooltip"
+import { Kbd } from "@/components/kbd"
+
+import { ActionConfirmDialog } from "@/components/ui/action-dialog"
+import { vendorCandidates, VendorCandidates } from "@/db/schema/vendors"
+import { bulkUpdateVendorCandidateStatus, removeCandidates, updateVendorCandidate } from "../service"
+
+interface CandidatesTableFloatingBarProps {
+  table: Table<VendorCandidates>
+}
+
+export function VendorCandidateTableFloatingBar({ table }: CandidatesTableFloatingBarProps) {
+  const rows = table.getFilteredSelectedRowModel().rows
+
+  const [isPending, startTransition] = React.useTransition()
+  const [action, setAction] = React.useState<
+    "update-status" | "export" | "delete" | "invite"
+  >()
+  const [popoverOpen, setPopoverOpen] = React.useState(false)
+
+  // Clear selection on Escape key press
+  React.useEffect(() => {
+    function handleKeyDown(event: KeyboardEvent) {
+      if (event.key === "Escape") {
+        table.toggleAllRowsSelected(false)
+      }
+    }
+
+    window.addEventListener("keydown", handleKeyDown)
+    return () => window.removeEventListener("keydown", handleKeyDown)
+  }, [table])
+
+  // 공용 confirm dialog state
+  const [confirmDialogOpen, setConfirmDialogOpen] = React.useState(false)
+  const [confirmProps, setConfirmProps] = React.useState<{
+    title: string
+    description?: string
+    onConfirm: () => Promise<void> | void
+  }>({
+    title: "",
+    description: "",
+    onConfirm: () => { },
+  })
+
+  // 1) "삭제" Confirm 열기
+  function handleDeleteConfirm() {
+    setAction("delete")
+    setConfirmProps({
+      title: `Delete ${rows.length} user${rows.length > 1 ? "s" : ""}?`,
+      description: "This action cannot be undone.",
+      onConfirm: async () => {
+        startTransition(async () => {
+          const { error } = await removeCandidates({
+            ids: rows.map((row) => row.original.id),
+          })
+          if (error) {
+            toast.error(error)
+            return
+          }
+          toast.success("Users deleted")
+          table.toggleAllRowsSelected(false)
+          setConfirmDialogOpen(false)
+        })
+      },
+    })
+    setConfirmDialogOpen(true)
+  }
+
+  // 2) 상태 업데이트 
+  function handleSelectStatus(newStatus: VendorCandidates["status"]) {
+    setAction("update-status")
+
+    setConfirmProps({
+      title: `Update ${rows.length} candidate${rows.length > 1 ? "s" : ""} with status: ${newStatus}?`,
+      description: "This action will override their current status.",
+      onConfirm: async () => {
+        startTransition(async () => {
+          const { error } = await bulkUpdateVendorCandidateStatus({
+            ids: rows.map((row) => row.original.id),
+            status: newStatus,
+          })
+          if (error) {
+            toast.error(error)
+            return
+          }
+          toast.success("Candidates updated")
+          setConfirmDialogOpen(false)
+        })
+      },
+    })
+    setConfirmDialogOpen(true)
+  }
+
+  // 3) 초대하기 (INVITED 상태로 바꾸고 이메일 전송)
+  function handleInvite() {
+    setAction("invite")
+    setConfirmProps({
+      title: `Invite ${rows.length} candidate${rows.length > 1 ? "s" : ""}?`,
+      description: "This will change their status to INVITED and send invitation emails.",
+      onConfirm: async () => {
+        startTransition(async () => {
+          const { error } = await bulkUpdateVendorCandidateStatus({
+            ids: rows.map((row) => row.original.id),
+            status: "INVITED",
+          })
+          if (error) {
+            toast.error(error)
+            return
+          }
+          toast.success("Invitation emails sent successfully")
+          table.toggleAllRowsSelected(false)
+          setConfirmDialogOpen(false)
+        })
+      },
+    })
+    setConfirmDialogOpen(true)
+  }
+
+  return (
+    <Portal >
+      <div className="fixed inset-x-0 bottom-10 z-50 mx-auto w-fit px-2.5" style={{ bottom: '1.5rem' }}>
+        <div className="w-full overflow-x-auto">
+          <div className="mx-auto flex w-fit items-center gap-2 rounded-md border bg-background p-2 text-foreground shadow">
+            <div className="flex h-7 items-center rounded-md border border-dashed pl-2.5 pr-1">
+              <span className="whitespace-nowrap text-xs">
+                {rows.length} selected
+              </span>
+              <Separator orientation="vertical" className="ml-2 mr-1" />
+              <Tooltip>
+                <TooltipTrigger asChild>
+                  <Button
+                    variant="ghost"
+                    size="icon"
+                    className="size-5 hover:border"
+                    onClick={() => table.toggleAllRowsSelected(false)}
+                  >
+                    <X className="size-3.5 shrink-0" aria-hidden="true" />
+                  </Button>
+                </TooltipTrigger>
+                <TooltipContent className="flex items-center border bg-accent px-2 py-1 font-semibold text-foreground dark:bg-zinc-900">
+                  <p className="mr-2">Clear selection</p>
+                  <Kbd abbrTitle="Escape" variant="outline">
+                    Esc
+                  </Kbd>
+                </TooltipContent>
+              </Tooltip>
+            </div>
+            <Separator orientation="vertical" className="hidden h-5 sm:block" />
+            <div className="flex items-center gap-1.5">
+              {/* 초대하기 버튼 (새로 추가) */}
+              <Tooltip>
+                <TooltipTrigger asChild>
+                  <Button
+                    variant="secondary"
+                    size="sm"
+                    className="h-7 border"
+                    onClick={handleInvite}
+                    disabled={isPending}
+                  >
+                    {isPending && action === "invite" ? (
+                      <Loader
+                        className="mr-1 size-3.5 animate-spin"
+                        aria-hidden="true"
+                      />
+                    ) : (
+                      <Mail className="mr-1 size-3.5" aria-hidden="true" />
+                    )}
+                    <span>Invite</span>
+                  </Button>
+                </TooltipTrigger>
+                <TooltipContent className="border bg-accent font-semibold text-foreground dark:bg-zinc-900">
+                  <p>Send invitation emails</p>
+                </TooltipContent>
+              </Tooltip>
+
+              <Select
+                onValueChange={(value: VendorCandidates["status"]) => {
+                  handleSelectStatus(value)
+                }}
+              >
+                <Tooltip>
+                  <SelectTrigger asChild>
+                    <TooltipTrigger asChild>
+                      <Button
+                        variant="secondary"
+                        size="icon"
+                        className="size-7 border data-[state=open]:bg-accent data-[state=open]:text-accent-foreground"
+                        disabled={isPending}
+                      >
+                        {isPending && action === "update-status" ? (
+                          <Loader
+                            className="size-3.5 animate-spin"
+                            aria-hidden="true"
+                          />
+                        ) : (
+                          <CheckCircle2
+                            className="size-3.5"
+                            aria-hidden="true"
+                          />
+                        )}
+                      </Button>
+                    </TooltipTrigger>
+                  </SelectTrigger>
+                  <TooltipContent className="border bg-accent font-semibold text-foreground dark:bg-zinc-900">
+                    <p>Update status</p>
+                  </TooltipContent>
+                </Tooltip>
+                <SelectContent align="center">
+                  <SelectGroup>
+                    {vendorCandidates.status.enumValues.map((status) => (
+                      <SelectItem
+                        key={status}
+                        value={status}
+                        className="capitalize"
+                      >
+                        {status}
+                      </SelectItem>
+                    ))}
+                  </SelectGroup>
+                </SelectContent>
+              </Select>
+
+              <Tooltip>
+                <TooltipTrigger asChild>
+                  <Button
+                    variant="secondary"
+                    size="icon"
+                    className="size-7 border"
+                    onClick={() => {
+                      setAction("export")
+
+                      startTransition(() => {
+                        exportTableToExcel(table, {
+                          excludeColumns: ["select", "actions"],
+                          onlySelected: true,
+                        })
+                      })
+                    }}
+                    disabled={isPending}
+                  >
+                    {isPending && action === "export" ? (
+                      <Loader
+                        className="size-3.5 animate-spin"
+                        aria-hidden="true"
+                      />
+                    ) : (
+                      <Download className="size-3.5" aria-hidden="true" />
+                    )}
+                  </Button>
+                </TooltipTrigger>
+                <TooltipContent className="border bg-accent font-semibold text-foreground dark:bg-zinc-900">
+                  <p>Export candidates</p>
+                </TooltipContent>
+              </Tooltip>
+              
+              <Tooltip>
+                <TooltipTrigger asChild>
+                  <Button
+                    variant="secondary"
+                    size="icon"
+                    className="size-7 border"
+                    onClick={handleDeleteConfirm}
+                    disabled={isPending}
+                  >
+                    {isPending && action === "delete" ? (
+                      <Loader
+                        className="size-3.5 animate-spin"
+                        aria-hidden="true"
+                      />
+                    ) : (
+                      <Trash2 className="size-3.5" aria-hidden="true" />
+                    )}
+                  </Button>
+                </TooltipTrigger>
+                <TooltipContent className="border bg-accent font-semibold text-foreground dark:bg-zinc-900">
+                  <p>Delete candidates</p>
+                </TooltipContent>
+              </Tooltip>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      {/* 공용 Confirm Dialog */}
+      <ActionConfirmDialog
+        open={confirmDialogOpen}
+        onOpenChange={setConfirmDialogOpen}
+        title={confirmProps.title}
+        description={confirmProps.description}
+        onConfirm={confirmProps.onConfirm}
+        isLoading={isPending && (action === "delete" || action === "update-status" || action === "invite")}
+        confirmLabel={
+          action === "delete"
+            ? "Delete"
+            : action === "update-status"
+            ? "Update"
+            : action === "invite"
+            ? "Invite"
+            : "Confirm"
+        }
+        confirmVariant={
+          action === "delete" ? "destructive" : "default"
+        }
+      />
+    </Portal>
+  )
+}
+\ No newline at end of file
diff --git a/lib/vendor-candidates/table/candidates-table-toolbar-actions.tsx b/lib/vendor-candidates/table/candidates-table-toolbar-actions.tsx
new file mode 100644
index 00000000..a2229a54
--- /dev/null
+++ b/lib/vendor-candidates/table/candidates-table-toolbar-actions.tsx
@@ -0,0 +1,93 @@
+"use client"
+
+import * as React from "react"
+import { type Table } from "@tanstack/react-table"
+import { Download, FileDown, Upload } from "lucide-react"
+
+import { exportTableToExcel } from "@/lib/export"
+import { Button } from "@/components/ui/button"
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu"
+
+import { AddCandidateDialog } from "./add-candidates-dialog"
+import { VendorCandidates } from "@/db/schema/vendors"
+import { DeleteCandidatesDialog } from "./delete-candidates-dialog"
+import { InviteCandidatesDialog } from "./invite-candidates-dialog"
+import { ImportVendorCandidatesButton } from "./import-button"
+import { exportVendorCandidateTemplate } from "./excel-template-download"
+
+
+interface CandidatesTableToolbarActionsProps {
+  table: Table<VendorCandidates>
+}
+
+export function CandidatesTableToolbarActions({ table }: CandidatesTableToolbarActionsProps) {
+  const selectedRows = table.getFilteredSelectedRowModel().rows
+  const hasSelection = selectedRows.length > 0
+  const [refreshKey, setRefreshKey] = React.useState(0)
+
+  // Handler to refresh the table after import
+  const handleImportSuccess = () => {
+    // Trigger a refresh of the table data
+    setRefreshKey(prev => prev + 1)
+  }
+
+  return (
+    <div className="flex items-center gap-2">
+      {/* Show actions only when rows are selected */}
+      {hasSelection ? (
+        <>
+          {/* Invite dialog - new addition */}
+          <InviteCandidatesDialog
+            candidates={selectedRows.map((row) => row.original)}
+            onSuccess={() => table.toggleAllRowsSelected(false)}
+          />
+
+          {/* Delete dialog */}
+          <DeleteCandidatesDialog
+            candidates={selectedRows.map((row) => row.original)}
+            onSuccess={() => table.toggleAllRowsSelected(false)}
+          />
+        </>
+      ) : null}
+
+      {/* Add new candidate dialog */}
+      <AddCandidateDialog />
+      
+      {/* Import Excel button */}
+      <ImportVendorCandidatesButton onSuccess={handleImportSuccess} />
+      
+      {/* Export dropdown menu */}
+      <DropdownMenu>
+        <DropdownMenuTrigger asChild>
+          <Button variant="outline" size="sm" className="gap-2">
+            <Download className="size-4" aria-hidden="true" />
+            <span className="hidden sm:inline">Export</span>
+          </Button>
+        </DropdownMenuTrigger>
+        <DropdownMenuContent align="end">
+          <DropdownMenuItem
+            onClick={() => {
+              exportTableToExcel(table, {
+                filename: "vendor-candidates",
+                excludeColumns: ["select", "actions"],
+                useGroupHeader: false,
+              })
+            }}
+          >
+            <FileDown className="mr-2 h-4 w-4" />
+            <span>Export Current Data</span>
+          </DropdownMenuItem>
+          <DropdownMenuItem onClick={exportVendorCandidateTemplate}>
+            <FileDown className="mr-2 h-4 w-4" />
+            <span>Download Template</span>
+          </DropdownMenuItem>
+        </DropdownMenuContent>
+      </DropdownMenu>
+    </div>
+  )
+}
+\ No newline at end of file
diff --git a/lib/vendor-candidates/table/candidates-table.tsx b/lib/vendor-candidates/table/candidates-table.tsx
new file mode 100644
index 00000000..2c01733c
--- /dev/null
+++ b/lib/vendor-candidates/table/candidates-table.tsx
@@ -0,0 +1,173 @@
+"use client"
+
+import * as React from "react"
+import type {
+  DataTableAdvancedFilterField,
+  DataTableFilterField,
+  DataTableRowAction,
+} from "@/types/table"
+
+import { toSentenceCase } from "@/lib/utils"
+import { useDataTable } from "@/hooks/use-data-table"
+import { DataTable } from "@/components/data-table/data-table"
+import { DataTableAdvancedToolbar } from "@/components/data-table/data-table-advanced-toolbar"
+import { DataTableToolbar } from "@/components/data-table/data-table-toolbar"
+
+import { useFeatureFlags } from "./feature-flags-provider"
+import { getVendorCandidateCounts, getVendorCandidates } from "../service"
+import { VendorCandidates, vendorCandidates } from "@/db/schema/vendors"
+import { VendorCandidateTableFloatingBar } from "./candidates-table-floating-bar"
+import { getColumns } from "./candidates-table-columns"
+import { CandidatesTableToolbarActions } from "./candidates-table-toolbar-actions"
+import { DeleteCandidatesDialog } from "./delete-candidates-dialog"
+import { UpdateCandidateSheet } from "./update-candidate-sheet"
+import { getCandidateStatusIcon } from "@/lib/vendor-candidates/utils"
+
+interface VendorCandidatesTableProps {
+  promises: Promise<
+    [
+      Awaited<ReturnType<typeof getVendorCandidates>>,
+      Awaited<ReturnType<typeof getVendorCandidateCounts>>,
+    ]
+  >
+}
+
+export function VendorCandidateTable({ promises }: VendorCandidatesTableProps) {
+  const { featureFlags } = useFeatureFlags()
+
+  const [{ data, pageCount }, statusCounts] =
+    React.use(promises)
+
+
+
+  const [rowAction, setRowAction] =
+    React.useState<DataTableRowAction<VendorCandidates> | null>(null)
+
+  const columns = React.useMemo(
+    () => getColumns({ setRowAction }),
+    [setRowAction]
+  )
+
+  /**
+   * This component can render either a faceted filter or a search filter based on the `options` prop.
+   *
+   * @prop options - An array of objects, each representing a filter option. If provided, a faceted filter is rendered. If not, a search filter is rendered.
+   *
+   * Each `option` object has the following properties:
+   * @prop {string} label - The label for the filter option.
+   * @prop {string} value - The value for the filter option.
+   * @prop {React.ReactNode} [icon] - An optional icon to display next to the label.
+   * @prop {boolean} [withCount] - An optional boolean to display the count of the filter option.
+   */
+  const filterFields: DataTableFilterField<VendorCandidates>[] = [
+
+    {
+      id: "status",
+      label: "Status",
+      options: vendorCandidates.status.enumValues.map((status) => ({
+        label: toSentenceCase(status),
+        value: status,
+        count: statusCounts[status],
+      })),
+    },
+
+  ]
+
+  /**
+   * Advanced filter fields for the data table.
+   * These fields provide more complex filtering options compared to the regular filterFields.
+   *
+   * Key differences from regular filterFields:
+   * 1. More field types: Includes 'text', 'multi-select', 'date', and 'boolean'.
+   * 2. Enhanced flexibility: Allows for more precise and varied filtering options.
+   * 3. Used with DataTableAdvancedToolbar: Enables a more sophisticated filtering UI.
+   * 4. Date and boolean types: Adds support for filtering by date ranges and boolean values.
+   */
+  const advancedFilterFields: DataTableAdvancedFilterField<VendorCandidates>[] = [
+    {
+      id: "companyName",
+      label: "Company Name",
+      type: "text",
+    },
+    {
+      id: "contactEmail",
+      label: "Contact Email",
+      type: "text",
+    },
+    {
+      id: "contactPhone",
+      label: "Contact Phone",
+      type: "text",
+    },
+    {
+      id: "source",
+      label: "source",
+      type: "text",
+    },
+    {
+      id: "status",
+      label: "Status",
+      type: "multi-select",
+      options: vendorCandidates.status.enumValues.map((status) => ({
+        label: toSentenceCase(status),
+        value: status,
+        icon: getCandidateStatusIcon(status),
+        count: statusCounts[status],
+      })),
+    },
+
+    {
+      id: "createdAt",
+      label: "Created at",
+      type: "date",
+    },
+  ]
+
+
+  const { table } = useDataTable({
+    data,
+    columns,
+    pageCount,
+    filterFields,
+    enablePinning: true,
+    enableAdvancedFilter: true,
+    initialState: {
+      sorting: [{ id: "createdAt", desc: true }],
+      columnPinning: { right: ["actions"] },
+    },
+    getRowId: (originalRow) => String(originalRow.id),
+    shallow: false,
+    clearOnDefault: true,
+  })
+
+  return (
+    <>
+      <DataTable
+        table={table}
+        floatingBar={<VendorCandidateTableFloatingBar table={table} />}
+      >
+
+        <DataTableAdvancedToolbar
+          table={table}
+          filterFields={advancedFilterFields}
+          shallow={false}
+        >
+          <CandidatesTableToolbarActions table={table} />
+        </DataTableAdvancedToolbar>
+
+      </DataTable>
+      <UpdateCandidateSheet
+        open={rowAction?.type === "update"}
+        onOpenChange={() => setRowAction(null)}
+        candidate={rowAction?.row.original ?? null}
+      />
+      <DeleteCandidatesDialog
+        open={rowAction?.type === "delete"}
+        onOpenChange={() => setRowAction(null)}
+        candidates={rowAction?.row.original ? [rowAction?.row.original] : []}
+        showTrigger={false}
+        onSuccess={() => rowAction?.row.toggleSelected(false)}
+      />
+    </>
+  )
+}
diff --git a/lib/vendor-candidates/table/delete-candidates-dialog.tsx b/lib/vendor-candidates/table/delete-candidates-dialog.tsx
new file mode 100644
index 00000000..e9fabf76
--- /dev/null
+++ b/lib/vendor-candidates/table/delete-candidates-dialog.tsx
@@ -0,0 +1,149 @@
+"use client"
+
+import * as React from "react"
+import { type Row } from "@tanstack/react-table"
+import { Loader, Trash } from "lucide-react"
+import { toast } from "sonner"
+
+import { useMediaQuery } from "@/hooks/use-media-query"
+import { Button } from "@/components/ui/button"
+import {
+  Dialog,
+  DialogClose,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger,
+} from "@/components/ui/dialog"
+import {
+  Drawer,
+  DrawerClose,
+  DrawerContent,
+  DrawerDescription,
+  DrawerFooter,
+  DrawerHeader,
+  DrawerTitle,
+  DrawerTrigger,
+} from "@/components/ui/drawer"
+
+import { VendorCandidates } from "@/db/schema/vendors"
+import { removeCandidates } from "../service"
+
+interface DeleteCandidatesDialogProps
+  extends React.ComponentPropsWithoutRef<typeof Dialog> {
+  candidates: Row<VendorCandidates>["original"][]
+  showTrigger?: boolean
+  onSuccess?: () => void
+}
+
+export function DeleteCandidatesDialog({
+  candidates,
+  showTrigger = true,
+  onSuccess,
+  ...props
+}: DeleteCandidatesDialogProps) {
+  const [isDeletePending, startDeleteTransition] = React.useTransition()
+  const isDesktop = useMediaQuery("(min-width: 640px)")
+
+  function onDelete() {
+    startDeleteTransition(async () => {
+      const { error } = await removeCandidates({
+        ids: candidates.map((candidate) => candidate.id),
+      })
+
+      if (error) {
+        toast.error(error)
+        return
+      }
+
+      props.onOpenChange?.(false)
+      toast.success("Candidates deleted")
+      onSuccess?.()
+    })
+  }
+
+  if (isDesktop) {
+    return (
+      <Dialog {...props}>
+        {showTrigger ? (
+          <DialogTrigger asChild>
+            <Button variant="outline" size="sm">
+              <Trash className="mr-2 size-4" aria-hidden="true" />
+              Delete ({candidates.length})
+            </Button>
+          </DialogTrigger>
+        ) : null}
+        <DialogContent>
+          <DialogHeader>
+            <DialogTitle>Are you absolutely sure?</DialogTitle>
+            <DialogDescription>
+              This action cannot be undone. This will permanently delete your{" "}
+              <span className="font-medium">{candidates.length}</span>
+              {candidates.length === 1 ? " candidate" : " candidates"} from our servers.
+            </DialogDescription>
+          </DialogHeader>
+          <DialogFooter className="gap-2 sm:space-x-0">
+            <DialogClose asChild>
+              <Button variant="outline">Cancel</Button>
+            </DialogClose>
+            <Button
+              aria-label="Delete selected rows"
+              variant="destructive"
+              onClick={onDelete}
+              disabled={isDeletePending}
+            >
+              {isDeletePending && (
+                <Loader
+                  className="mr-2 size-4 animate-spin"
+                  aria-hidden="true"
+                />
+              )}
+              Delete
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+    )
+  }
+
+  return (
+    <Drawer {...props}>
+      {showTrigger ? (
+        <DrawerTrigger asChild>
+          <Button variant="outline" size="sm">
+            <Trash className="mr-2 size-4" aria-hidden="true" />
+            Delete ({candidates.length})
+          </Button>
+        </DrawerTrigger>
+      ) : null}
+      <DrawerContent>
+        <DrawerHeader>
+          <DrawerTitle>Are you absolutely sure?</DrawerTitle>
+          <DrawerDescription>
+            This action cannot be undone. This will permanently delete your{" "}
+            <span className="font-medium">{candidates.length}</span>
+            {candidates.length === 1 ? " candidate" : " candidates"} from our servers.
+          </DrawerDescription>
+        </DrawerHeader>
+        <DrawerFooter className="gap-2 sm:space-x-0">
+          <DrawerClose asChild>
+            <Button variant="outline">Cancel</Button>
+          </DrawerClose>
+          <Button
+            aria-label="Delete selected rows"
+            variant="destructive"
+            onClick={onDelete}
+            disabled={isDeletePending}
+          >
+            {isDeletePending && (
+              <Loader className="mr-2 size-4 animate-spin" aria-hidden="true" />
+            )}
+            Delete
+          </Button>
+        </DrawerFooter>
+      </DrawerContent>
+    </Drawer>
+  )
+}
diff --git a/lib/vendor-candidates/table/excel-template-download.tsx b/lib/vendor-candidates/table/excel-template-download.tsx
new file mode 100644
index 00000000..b69ab821
--- /dev/null
+++ b/lib/vendor-candidates/table/excel-template-download.tsx
@@ -0,0 +1,94 @@
+"use client"
+
+import { type Table } from "@tanstack/react-table"
+import ExcelJS from "exceljs"
+import { VendorCandidates } from "@/db/schema/vendors"
+
+/**
+ * Export an empty template for vendor candidates with column headers
+ * matching the expected import format
+ */
+export async function exportVendorCandidateTemplate() {
+  // Create a new workbook and worksheet
+  const workbook = new ExcelJS.Workbook()
+  const worksheet = workbook.addWorksheet("Vendor Candidates")
+  
+  // Define the columns with expected headers
+  const columns = [
+    { header: "Company Name", key: "companyName", width: 30 },
+    { header: "Contact Email", key: "contactEmail", width: 30 },
+    { header: "Contact Phone", key: "contactPhone", width: 20 },
+    { header: "Country", key: "country", width: 20 },
+    { header: "Source", key: "source", width: 20 },
+    { header: "Status", key: "status", width: 15 },
+  ]
+  
+  // Add columns to the worksheet
+  worksheet.columns = columns
+  
+  // Style the header row
+  const headerRow = worksheet.getRow(1)
+  headerRow.font = { bold: true }
+  headerRow.alignment = { horizontal: "center" }
+  headerRow.eachCell((cell) => {
+    cell.fill = {
+      type: "pattern",
+      pattern: "solid",
+      fgColor: { argb: "FFCCCCCC" },
+    }
+  })
+  
+  // Add example data rows
+  const exampleData = [
+    {
+      companyName: "ABC Corporation",
+      contactEmail: "contact@abc.com",
+      contactPhone: "+1-123-456-7890",
+      country: "US",
+      source: "Website",
+      status: "COLLECTED",
+    },
+    {
+      companyName: "XYZ Ltd.",
+      contactEmail: "info@xyz.com",
+      contactPhone: "+44-987-654-3210",
+      country: "GB",
+      source: "Referral",
+      status: "COLLECTED",
+    },
+  ]
+  
+  // Add the example rows to the worksheet
+  exampleData.forEach((data) => {
+    worksheet.addRow(data)
+  })
+  
+  // Add data validation for Status column
+  const statusValues = ["COLLECTED", "INVITED", "DISCARDED"]
+  for (let i = 2; i <= 100; i++) { // Apply to rows 2-100
+    worksheet.getCell(`F${i}`).dataValidation = {
+      type: 'list',
+      allowBlank: true,
+      formulae: [`"${statusValues.join(',')}"`]
+    }
+  }
+  
+  // Add instructions row
+  worksheet.insertRow(1, ["Please fill in the data below. Required fields: Company Name, Contact Email"])
+  worksheet.mergeCells("A1:F1")
+  const instructionRow = worksheet.getRow(1)
+  instructionRow.font = { bold: true, color: { argb: "FF0000FF" } }
+  instructionRow.alignment = { horizontal: "center" }
+  
+  // Download the workbook
+  const buffer = await workbook.xlsx.writeBuffer()
+  const blob = new Blob([buffer], {
+    type: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+  })
+  const url = URL.createObjectURL(blob)
+  const link = document.createElement("a")
+  link.href = url
+  link.download = "vendor-candidates-template.xlsx"
+  link.click()
+  URL.revokeObjectURL(url)
+}
+\ No newline at end of file
diff --git a/lib/vendor-candidates/table/feature-flags-provider.tsx b/lib/vendor-candidates/table/feature-flags-provider.tsx
new file mode 100644
index 00000000..81131894
--- /dev/null
+++ b/lib/vendor-candidates/table/feature-flags-provider.tsx
@@ -0,0 +1,108 @@
+"use client"
+
+import * as React from "react"
+import { useQueryState } from "nuqs"
+
+import { dataTableConfig, type DataTableConfig } from "@/config/data-table"
+import { cn } from "@/lib/utils"
+import { ToggleGroup, ToggleGroupItem } from "@/components/ui/toggle-group"
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipTrigger,
+} from "@/components/ui/tooltip"
+
+type FeatureFlagValue = DataTableConfig["featureFlags"][number]["value"]
+
+interface FeatureFlagsContextProps {
+  featureFlags: FeatureFlagValue[]
+  setFeatureFlags: (value: FeatureFlagValue[]) => void
+}
+
+const FeatureFlagsContext = React.createContext<FeatureFlagsContextProps>({
+  featureFlags: [],
+  setFeatureFlags: () => {},
+})
+
+export function useFeatureFlags() {
+  const context = React.useContext(FeatureFlagsContext)
+  if (!context) {
+    throw new Error(
+      "useFeatureFlags must be used within a FeatureFlagsProvider"
+    )
+  }
+  return context
+}
+
+interface FeatureFlagsProviderProps {
+  children: React.ReactNode
+}
+
+export function FeatureFlagsProvider({ children }: FeatureFlagsProviderProps) {
+  const [featureFlags, setFeatureFlags] = useQueryState<FeatureFlagValue[]>(
+    "flags",
+    {
+      defaultValue: [],
+      parse: (value) => value.split(",") as FeatureFlagValue[],
+      serialize: (value) => value.join(","),
+      eq: (a, b) =>
+        a.length === b.length && a.every((value, index) => value === b[index]),
+      clearOnDefault: true,
+      shallow: false,
+    }
+  )
+
+  return (
+    <FeatureFlagsContext.Provider
+      value={{
+        featureFlags,
+        setFeatureFlags: (value) => void setFeatureFlags(value),
+      }}
+    >
+      <div className="w-full overflow-x-auto">
+        <ToggleGroup
+          type="multiple"
+          variant="outline"
+          size="sm"
+          value={featureFlags}
+          onValueChange={(value: FeatureFlagValue[]) => setFeatureFlags(value)}
+          className="w-fit gap-0"
+        >
+          {dataTableConfig.featureFlags.map((flag, index) => (
+            <Tooltip key={flag.value}>
+              <ToggleGroupItem
+                value={flag.value}
+                className={cn(
+                  "gap-2 whitespace-nowrap rounded-none px-3 text-xs data-[state=on]:bg-accent/70 data-[state=on]:hover:bg-accent/90",
+                  {
+                    "rounded-l-sm border-r-0": index === 0,
+                    "rounded-r-sm":
+                      index === dataTableConfig.featureFlags.length - 1,
+                  }
+                )}
+                asChild
+              >
+                <TooltipTrigger>
+                  <flag.icon className="size-3.5 shrink-0" aria-hidden="true" />
+                  {flag.label}
+                </TooltipTrigger>
+              </ToggleGroupItem>
+              <TooltipContent
+                align="start"
+                side="bottom"
+                sideOffset={6}
+                className="flex max-w-60 flex-col space-y-1.5 border bg-background py-2 font-semibold text-foreground"
+              >
+                <div>{flag.tooltipTitle}</div>
+                <div className="text-xs text-muted-foreground">
+                  {flag.tooltipDescription}
+                </div>
+              </TooltipContent>
+            </Tooltip>
+          ))}
+        </ToggleGroup>
+      </div>
+      {children}
+    </FeatureFlagsContext.Provider>
+  )
+}
diff --git a/lib/vendor-candidates/table/feature-flags.tsx b/lib/vendor-candidates/table/feature-flags.tsx
new file mode 100644
index 00000000..aaae6af2
--- /dev/null
+++ b/lib/vendor-candidates/table/feature-flags.tsx
@@ -0,0 +1,96 @@
+"use client"
+
+import * as React from "react"
+import { useQueryState } from "nuqs"
+
+import { dataTableConfig, type DataTableConfig } from "@/config/data-table"
+import { ToggleGroup, ToggleGroupItem } from "@/components/ui/toggle-group"
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipTrigger,
+} from "@/components/ui/tooltip"
+
+type FeatureFlagValue = DataTableConfig["featureFlags"][number]["value"]
+
+interface TasksTableContextProps {
+  featureFlags: FeatureFlagValue[]
+  setFeatureFlags: (value: FeatureFlagValue[]) => void
+}
+
+const TasksTableContext = React.createContext<TasksTableContextProps>({
+  featureFlags: [],
+  setFeatureFlags: () => {},
+})
+
+export function useTasksTable() {
+  const context = React.useContext(TasksTableContext)
+  if (!context) {
+    throw new Error("useTasksTable must be used within a TasksTableProvider")
+  }
+  return context
+}
+
+export function TasksTableProvider({ children }: React.PropsWithChildren) {
+  const [featureFlags, setFeatureFlags] = useQueryState<FeatureFlagValue[]>(
+    "featureFlags",
+    {
+      defaultValue: [],
+      parse: (value) => value.split(",") as FeatureFlagValue[],
+      serialize: (value) => value.join(","),
+      eq: (a, b) =>
+        a.length === b.length && a.every((value, index) => value === b[index]),
+      clearOnDefault: true,
+    }
+  )
+
+  return (
+    <TasksTableContext.Provider
+      value={{
+        featureFlags,
+        setFeatureFlags: (value) => void setFeatureFlags(value),
+      }}
+    >
+      <div className="w-full overflow-x-auto">
+        <ToggleGroup
+          type="multiple"
+          variant="outline"
+          size="sm"
+          value={featureFlags}
+          onValueChange={(value: FeatureFlagValue[]) => setFeatureFlags(value)}
+          className="w-fit"
+        >
+          {dataTableConfig.featureFlags.map((flag) => (
+            <Tooltip key={flag.value}>
+              <ToggleGroupItem
+                value={flag.value}
+                className="whitespace-nowrap px-3 text-xs"
+                asChild
+              >
+                <TooltipTrigger>
+                  <flag.icon
+                    className="mr-2 size-3.5 shrink-0"
+                    aria-hidden="true"
+                  />
+                  {flag.label}
+                </TooltipTrigger>
+              </ToggleGroupItem>
+              <TooltipContent
+                align="start"
+                side="bottom"
+                sideOffset={6}
+                className="flex max-w-60 flex-col space-y-1.5 border bg-background py-2 font-semibold text-foreground"
+              >
+                <div>{flag.tooltipTitle}</div>
+                <div className="text-xs text-muted-foreground">
+                  {flag.tooltipDescription}
+                </div>
+              </TooltipContent>
+            </Tooltip>
+          ))}
+        </ToggleGroup>
+      </div>
+      {children}
+    </TasksTableContext.Provider>
+  )
+}
diff --git a/lib/vendor-candidates/table/import-button.tsx b/lib/vendor-candidates/table/import-button.tsx
new file mode 100644
index 00000000..1a2a4f7c
--- /dev/null
+++ b/lib/vendor-candidates/table/import-button.tsx
@@ -0,0 +1,211 @@
+"use client"
+
+import React, { useRef } from 'react'
+import ExcelJS from 'exceljs'
+import { toast } from 'sonner'
+import { Button } from '@/components/ui/button'
+import { Upload, Loader } from 'lucide-react'
+import { createVendorCandidate } from '../service'
+import { Input } from '@/components/ui/input'
+
+interface ImportExcelProps {
+  onSuccess?: () => void
+}
+
+export function ImportVendorCandidatesButton({ onSuccess }: ImportExcelProps) {
+  const fileInputRef = useRef<HTMLInputElement>(null)
+  const [isImporting, setIsImporting] = React.useState(false)
+
+  // Helper function to get cell value as string
+  const getCellValueAsString = (cell: ExcelJS.Cell): string => {
+    if (!cell || cell.value === undefined || cell.value === null) return '';
+    
+    if (typeof cell.value === 'string') return cell.value.trim();
+    if (typeof cell.value === 'number') return cell.value.toString();
+    
+    // Handle rich text
+    if (typeof cell.value === 'object' && 'richText' in cell.value) {
+      return cell.value.richText.map((rt: any) => rt.text).join('');
+    }
+    
+    // Handle dates
+    if (cell.value instanceof Date) {
+      return cell.value.toISOString().split('T')[0];
+    }
+    
+    // Fallback
+    return String(cell.value);
+  }
+
+  const handleImport = async (event: React.ChangeEvent<HTMLInputElement>) => {
+    const file = event.target.files?.[0]
+    if (!file) return
+
+    setIsImporting(true)
+    
+    try {
+      // Read the Excel file using ExcelJS
+      const data = await file.arrayBuffer()
+      const workbook = new ExcelJS.Workbook()
+      await workbook.xlsx.load(data)
+      
+      // Get the first worksheet
+      const worksheet = workbook.getWorksheet(1)
+      if (!worksheet) {
+        toast.error("No worksheet found in the spreadsheet")
+        return
+      }
+      
+      // Check if there's an instruction row
+      const hasInstructionRow = worksheet.getRow(1).getCell(1).value !== null && 
+                               worksheet.getRow(1).getCell(2).value === null;
+      
+      // Get header row index (row 2 if there's an instruction row, otherwise row 1)
+      const headerRowIndex = hasInstructionRow ? 2 : 1;
+      
+      // Get column headers and their indices
+      const headerRow = worksheet.getRow(headerRowIndex);
+      const headers: Record<number, string> = {};
+      const columnIndices: Record<string, number> = {};
+      
+      headerRow.eachCell((cell, colNumber) => {
+        const header = getCellValueAsString(cell);
+        headers[colNumber] = header;
+        columnIndices[header] = colNumber;
+      });
+      
+      // Process data rows
+      const rows: any[] = [];
+      const startRow = headerRowIndex + 1;
+      
+      for (let i = startRow; i <= worksheet.rowCount; i++) {
+        const row = worksheet.getRow(i);
+        
+        // Skip empty rows
+        if (row.cellCount === 0) continue;
+        
+        // Check if this is likely an example row
+        const isExample = i === startRow && worksheet.getRow(i+1).values?.length === 0;
+        if (isExample) continue;
+        
+        const rowData: Record<string, any> = {};
+        let hasData = false;
+        
+        // Map the data using header indices
+        Object.entries(columnIndices).forEach(([header, colIndex]) => {
+          const value = getCellValueAsString(row.getCell(colIndex));
+          if (value) {
+            rowData[header] = value;
+            hasData = true;
+          }
+        });
+        
+        if (hasData) {
+          rows.push(rowData);
+        }
+      }
+      
+      if (rows.length === 0) {
+        toast.error("No data found in the spreadsheet")
+        setIsImporting(false)
+        return
+      }
+      
+      // Process each row
+      let successCount = 0;
+      let errorCount = 0;
+      
+      // Create promises for all vendor candidate creation operations
+      const promises = rows.map(async (row) => {
+        try {
+          // Map Excel columns to our data model
+          const candidateData = {
+            companyName: String(row['Company Name'] || ''),
+            contactEmail: String(row['Contact Email'] || ''),
+            contactPhone: String(row['Contact Phone'] || ''),
+            country: String(row['Country'] || ''),
+            source: String(row['Source'] || ''),
+            // Default to COLLECTED if not specified
+            status: (row['Status'] || 'COLLECTED') as "COLLECTED" | "INVITED" | "DISCARDED"
+          };
+          
+          // Validate required fields
+          if (!candidateData.companyName || !candidateData.contactEmail) {
+            console.error("Missing required fields", candidateData);
+            errorCount++;
+            return null;
+          }
+          
+          // Create the vendor candidate
+          const result = await createVendorCandidate(candidateData);
+          
+          if (result.error) {
+            console.error(`Failed to import row: ${result.error}`, candidateData);
+            errorCount++;
+            return null;
+          }
+          
+          successCount++;
+          return result.data;
+        } catch (error) {
+          console.error("Error processing row:", error, row);
+          errorCount++;
+          return null;
+        }
+      });
+      
+      // Wait for all operations to complete
+      await Promise.all(promises);
+      
+      // Show results
+      if (successCount > 0) {
+        toast.success(`Successfully imported ${successCount} vendor candidates`);
+        if (errorCount > 0) {
+          toast.warning(`Failed to import ${errorCount} rows due to errors`);
+        }
+        // Call the success callback to refresh data
+        onSuccess?.();
+      } else if (errorCount > 0) {
+        toast.error(`Failed to import all ${errorCount} rows due to errors`);
+      }
+      
+    } catch (error) {
+      console.error("Import error:", error);
+      toast.error("Error importing data. Please check file format.");
+    } finally {
+      setIsImporting(false);
+      // Reset the file input
+      if (fileInputRef.current) {
+        fileInputRef.current.value = '';
+      }
+    }
+  }
+
+  return (
+    <>
+      <Input
+        type="file"
+        ref={fileInputRef}
+        onChange={handleImport}
+        accept=".xlsx,.xls"
+        className="hidden"
+      />
+      <Button
+        variant="outline"
+        size="sm"
+        onClick={() => fileInputRef.current?.click()}
+        disabled={isImporting}
+        className="gap-2"
+      >
+        {isImporting ? (
+          <Loader className="size-4 animate-spin" aria-hidden="true" />
+        ) : (
+          <Upload className="size-4" aria-hidden="true" />
+        )}
+        <span className="hidden sm:inline">
+          {isImporting ? "Importing..." : "Import"}
+        </span>
+      </Button>
+    </>
+  )
+}
+\ No newline at end of file
diff --git a/lib/vendor-candidates/table/invite-candidates-dialog.tsx b/lib/vendor-candidates/table/invite-candidates-dialog.tsx
new file mode 100644
index 00000000..366b6f45
--- /dev/null
+++ b/lib/vendor-candidates/table/invite-candidates-dialog.tsx
@@ -0,0 +1,150 @@
+"use client"
+
+import * as React from "react"
+import { type Row } from "@tanstack/react-table"
+import { Loader, Mail } from "lucide-react"
+import { toast } from "sonner"
+
+import { useMediaQuery } from "@/hooks/use-media-query"
+import { Button } from "@/components/ui/button"
+import {
+  Dialog,
+  DialogClose,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger,
+} from "@/components/ui/dialog"
+import {
+  Drawer,
+  DrawerClose,
+  DrawerContent,
+  DrawerDescription,
+  DrawerFooter,
+  DrawerHeader,
+  DrawerTitle,
+  DrawerTrigger,
+} from "@/components/ui/drawer"
+
+import { VendorCandidates } from "@/db/schema/vendors"
+import { bulkUpdateVendorCandidateStatus } from "../service"
+
+interface InviteCandidatesDialogProps
+  extends React.ComponentPropsWithoutRef<typeof Dialog> {
+  candidates: Row<VendorCandidates>["original"][]
+  showTrigger?: boolean
+  onSuccess?: () => void
+}
+
+export function InviteCandidatesDialog({
+  candidates,
+  showTrigger = true,
+  onSuccess,
+  ...props
+}: InviteCandidatesDialogProps) {
+  const [isInvitePending, startInviteTransition] = React.useTransition()
+  const isDesktop = useMediaQuery("(min-width: 640px)")
+
+  function onInvite() {
+    startInviteTransition(async () => {
+      const { error } = await bulkUpdateVendorCandidateStatus({
+        ids: candidates.map((candidate) => candidate.id),
+        status: "INVITED",
+      })
+
+      if (error) {
+        toast.error(error)
+        return
+      }
+
+      props.onOpenChange?.(false)
+      toast.success("Invitation emails sent")
+      onSuccess?.()
+    })
+  }
+
+  if (isDesktop) {
+    return (
+      <Dialog {...props}>
+        {showTrigger ? (
+          <DialogTrigger asChild>
+            <Button variant="outline" size="sm" className="gap-2">
+              <Mail className="size-4" aria-hidden="true" />
+              Invite ({candidates.length})
+            </Button>
+          </DialogTrigger>
+        ) : null}
+        <DialogContent>
+          <DialogHeader>
+            <DialogTitle>Send invitations?</DialogTitle>
+            <DialogDescription>
+              This will send invitation emails to{" "}
+              <span className="font-medium">{candidates.length}</span>
+              {candidates.length === 1 ? " candidate" : " candidates"} and change their status to INVITED.
+            </DialogDescription>
+          </DialogHeader>
+          <DialogFooter className="gap-2 sm:space-x-0">
+            <DialogClose asChild>
+              <Button variant="outline">Cancel</Button>
+            </DialogClose>
+            <Button
+              aria-label="Invite selected vendors"
+              variant="default"
+              onClick={onInvite}
+              disabled={isInvitePending}
+            >
+              {isInvitePending && (
+                <Loader
+                  className="mr-2 size-4 animate-spin"
+                  aria-hidden="true"
+                />
+              )}
+              Send Invitations
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+    )
+  }
+
+  return (
+    <Drawer {...props}>
+      {showTrigger ? (
+        <DrawerTrigger asChild>
+          <Button variant="outline" size="sm" className="gap-2">
+            <Mail className="size-4" aria-hidden="true" />
+            Invite ({candidates.length})
+          </Button>
+        </DrawerTrigger>
+      ) : null}
+      <DrawerContent>
+        <DrawerHeader>
+          <DrawerTitle>Send invitations?</DrawerTitle>
+          <DrawerDescription>
+            This will send invitation emails to{" "}
+            <span className="font-medium">{candidates.length}</span>
+            {candidates.length === 1 ? " candidate" : " candidates"} and change their status to INVITED.
+          </DrawerDescription>
+        </DrawerHeader>
+        <DrawerFooter className="gap-2 sm:space-x-0">
+          <DrawerClose asChild>
+            <Button variant="outline">Cancel</Button>
+          </DrawerClose>
+          <Button
+            aria-label="Invite selected vendors"
+            variant="default"
+            onClick={onInvite}
+            disabled={isInvitePending}
+          >
+            {isInvitePending && (
+              <Loader className="mr-2 size-4 animate-spin" aria-hidden="true" />
+            )}
+            Send Invitations
+          </Button>
+        </DrawerFooter>
+      </DrawerContent>
+    </Drawer>
+  )
+}
+\ No newline at end of file
diff --git a/lib/vendor-candidates/table/update-candidate-sheet.tsx b/lib/vendor-candidates/table/update-candidate-sheet.tsx
new file mode 100644
index 00000000..c475210b
--- /dev/null
+++ b/lib/vendor-candidates/table/update-candidate-sheet.tsx
@@ -0,0 +1,339 @@
+"use client"
+
+import * as React from "react"
+import { vendorCandidates, VendorCandidates } from "@/db/schema/vendors"
+import { zodResolver } from "@hookform/resolvers/zod"
+import { Check, ChevronsUpDown, Loader } from "lucide-react"
+import { useForm } from "react-hook-form"
+import { toast } from "sonner"
+import i18nIsoCountries from "i18n-iso-countries"
+import enLocale from "i18n-iso-countries/langs/en.json"
+import koLocale from "i18n-iso-countries/langs/ko.json"
+import { cn } from "@/lib/utils"
+
+import { Button } from "@/components/ui/button"
+import {
+  Form,
+  FormControl,
+  FormField,
+  FormItem,
+  FormLabel,
+  FormMessage,
+} from "@/components/ui/form"
+import {
+  Select,
+  SelectContent,
+  SelectGroup,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select"
+import {
+  Sheet,
+  SheetClose,
+  SheetContent,
+  SheetDescription,
+  SheetFooter,
+  SheetHeader,
+  SheetTitle,
+} from "@/components/ui/sheet"
+import { Input } from "@/components/ui/input"
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from "@/components/ui/popover"
+import {
+  Command,
+  CommandEmpty,
+  CommandGroup,
+  CommandInput,
+  CommandItem,
+  CommandList,
+} from "@/components/ui/command"
+
+import { updateVendorCandidateSchema, UpdateVendorCandidateSchema } from "../validations"
+import { updateVendorCandidate } from "../service"
+
+// Register locales for countries
+i18nIsoCountries.registerLocale(enLocale)
+i18nIsoCountries.registerLocale(koLocale)
+
+// Generate country array
+const locale = "ko"
+const countryMap = i18nIsoCountries.getNames(locale, { select: "official" })
+const countryArray = Object.entries(countryMap).map(([code, label]) => ({
+  code,
+  label,
+}))
+
+interface UpdateCandidateSheetProps
+  extends React.ComponentPropsWithRef<typeof Sheet> {
+  candidate: VendorCandidates | null
+}
+
+export function UpdateCandidateSheet({ candidate, ...props }: UpdateCandidateSheetProps) {
+  const [isUpdatePending, startUpdateTransition] = React.useTransition()
+
+  // Set default values from candidate data when the component receives a new candidate
+  React.useEffect(() => {
+    if (candidate) {
+      form.reset({
+        id: candidate.id,
+        companyName: candidate.companyName,
+        contactEmail: candidate.contactEmail,
+        contactPhone: candidate.contactPhone || "",
+        country: candidate.country || "",
+        source: candidate.source || "",
+        status: candidate.status,
+      })
+    }
+  }, [candidate])
+
+  const form = useForm<UpdateVendorCandidateSchema>({
+    resolver: zodResolver(updateVendorCandidateSchema),
+    defaultValues: {
+      id: candidate?.id || 0,
+      companyName: candidate?.companyName || "",
+      contactEmail: candidate?.contactEmail || "",
+      contactPhone: candidate?.contactPhone || "",
+      country: candidate?.country || "",
+      source: candidate?.source || "",
+      status: candidate?.status || "COLLECTED",
+    },
+  })
+
+  function onSubmit(input: UpdateVendorCandidateSchema) {
+    startUpdateTransition(async () => {
+      if (!candidate) return
+
+      const { error } = await updateVendorCandidate({
+            ...input,
+      })
+
+      if (error) {
+        toast.error(error)
+        return
+      }
+
+      form.reset()
+      props.onOpenChange?.(false)
+      toast.success("Vendor candidate updated")
+    })
+  }
+
+  return (
+    <Sheet {...props}>
+      <SheetContent className="flex flex-col gap-6 sm:max-w-md">
+        <SheetHeader className="text-left">
+          <SheetTitle>Update Vendor Candidate</SheetTitle>
+          <SheetDescription>
+            Update the vendor candidate details and save the changes
+          </SheetDescription>
+        </SheetHeader>
+        <Form {...form}>
+          <form
+            onSubmit={form.handleSubmit(onSubmit)}
+            className="flex flex-col gap-4"
+          >
+            {/* Company Name Field */}
+            <FormField
+              control={form.control}
+              name="companyName"
+              render={({ field }) => (
+                <FormItem>
+                  <FormLabel>Company Name</FormLabel>
+                  <FormControl>
+                    <Input 
+                      placeholder="Enter company name" 
+                      {...field} 
+                      disabled={isUpdatePending} 
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+
+            {/* Contact Email Field */}
+            <FormField
+              control={form.control}
+              name="contactEmail"
+              render={({ field }) => (
+                <FormItem>
+                  <FormLabel>Contact Email</FormLabel>
+                  <FormControl>
+                    <Input 
+                      placeholder="email@example.com" 
+                      type="email" 
+                      {...field} 
+                      disabled={isUpdatePending} 
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+
+            {/* Contact Phone Field */}
+            <FormField
+              control={form.control}
+              name="contactPhone"
+              render={({ field }) => (
+                <FormItem>
+                  <FormLabel>Contact Phone</FormLabel>
+                  <FormControl>
+                    <Input 
+                      placeholder="+82-10-1234-5678" 
+                      {...field} 
+                      disabled={isUpdatePending} 
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+
+            {/* Country Field */}
+            <FormField
+              control={form.control}
+              name="country"
+              render={({ field }) => {
+                const selectedCountry = countryArray.find(
+                  (c) => c.code === field.value
+                )
+                return (
+                  <FormItem>
+                    <FormLabel>Country</FormLabel>
+                    <Popover>
+                      <PopoverTrigger asChild>
+                        <FormControl>
+                          <Button
+                            variant="outline"
+                            role="combobox"
+                            className={cn(
+                              "w-full justify-between",
+                              !field.value && "text-muted-foreground"
+                            )}
+                            disabled={isUpdatePending}
+                          >
+                            {selectedCountry
+                              ? selectedCountry.label
+                              : "Select a country"}
+                            <ChevronsUpDown className="ml-2 h-4 w-4 opacity-50" />
+                          </Button>
+                        </FormControl>
+                      </PopoverTrigger>
+                      <PopoverContent className="w-[300px] p-0">
+                        <Command>
+                          <CommandInput placeholder="Search country..." />
+                          <CommandList>
+                            <CommandEmpty>No country found.</CommandEmpty>
+                            <CommandGroup className="max-h-[300px] overflow-y-auto">
+                              {countryArray.map((country) => (
+                                <CommandItem
+                                  key={country.code}
+                                  value={country.label}
+                                  onSelect={() =>
+                                    field.onChange(country.code)
+                                  }
+                                >
+                                  <Check
+                                    className={cn(
+                                      "mr-2 h-4 w-4",
+                                      country.code === field.value
+                                        ? "opacity-100"
+                                        : "opacity-0"
+                                    )}
+                                  />
+                                  {country.label}
+                                </CommandItem>
+                              ))}
+                            </CommandGroup>
+                          </CommandList>
+                        </Command>
+                      </PopoverContent>
+                    </Popover>
+                    <FormMessage />
+                  </FormItem>
+                )
+              }}
+            />
+
+            {/* Source Field */}
+            <FormField
+              control={form.control}
+              name="source"
+              render={({ field }) => (
+                <FormItem>
+                  <FormLabel>Source</FormLabel>
+                  <FormControl>
+                    <Input 
+                      placeholder="Where this candidate was found" 
+                      {...field} 
+                      disabled={isUpdatePending} 
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+
+            {/* Status Field */}
+            <FormField
+              control={form.control}
+              name="status"
+              render={({ field }) => (
+                <FormItem>
+                  <FormLabel>Status</FormLabel>
+                  <Select
+                    onValueChange={field.onChange}
+                    defaultValue={field.value}
+                    disabled={isUpdatePending}
+                  >
+                    <FormControl>
+                      <SelectTrigger className="capitalize">
+                        <SelectValue placeholder="Select a status" />
+                      </SelectTrigger>
+                    </FormControl>
+                    <SelectContent>
+                      <SelectGroup>
+                        {vendorCandidates.status.enumValues.map((item) => (
+                          <SelectItem
+                            key={item}
+                            value={item}
+                            className="capitalize"
+                          >
+                            {item}
+                          </SelectItem>
+                        ))}
+                      </SelectGroup>
+                    </SelectContent>
+                  </Select>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+
+            <SheetFooter className="gap-2 pt-2 sm:space-x-0">
+              <SheetClose asChild>
+                <Button type="button" variant="outline" disabled={isUpdatePending}>
+                  Cancel
+                </Button>
+              </SheetClose>
+              <Button disabled={isUpdatePending}>
+                {isUpdatePending && (
+                  <Loader
+                    className="mr-2 size-4 animate-spin"
+                    aria-hidden="true"
+                  />
+                )}
+                Save
+              </Button>
+            </SheetFooter>
+          </form>
+        </Form>
+      </SheetContent>
+    </Sheet>
+  )
+}
+\ No newline at end of file
diff --git a/lib/vendor-candidates/utils.ts b/lib/vendor-candidates/utils.ts
new file mode 100644
index 00000000..8973d557
--- /dev/null
+++ b/lib/vendor-candidates/utils.ts
@@ -0,0 +1,40 @@
+import {
+  Activity,
+  AlertCircle,
+  AlertTriangle,
+  ArrowDownIcon,
+  ArrowRightIcon,
+  ArrowUpIcon,
+  AwardIcon,
+  BadgeCheck,
+  CheckCircle2,
+  CircleHelp,
+  CircleIcon,
+  CircleX,
+  ClipboardCheck,
+  ClipboardList,
+  FileCheck2,
+  FilePenLine,
+  FileX2,
+  MailCheck,
+  PencilIcon,
+  SearchIcon,
+  SendIcon,
+  Timer,
+  Trash2,
+  XCircle,
+} from "lucide-react"
+
+import {  VendorCandidates } from "@/db/schema/vendors"
+
+
+export function getCandidateStatusIcon(status: VendorCandidates["status"]) {
+  const statusIcons = {
+    COLLECTED: ClipboardList,  // Data collection icon
+    INVITED: MailCheck,        // Email sent and checked icon
+    DISCARDED: Trash2,         // Trashed/discarded icon
+  }
+  
+  return statusIcons[status] || CircleIcon
+}
+
diff --git a/lib/vendor-candidates/validations.ts b/lib/vendor-candidates/validations.ts
new file mode 100644
index 00000000..0abb568e
--- /dev/null
+++ b/lib/vendor-candidates/validations.ts
@@ -0,0 +1,84 @@
+import { vendorCandidates } from "@/db/schema/vendors"
+import {
+    createSearchParamsCache,
+    parseAsArrayOf,
+    parseAsInteger,
+    parseAsString,
+    parseAsStringEnum,
+} from "nuqs/server"
+import * as z from "zod"
+import { getFiltersStateParser, getSortingStateParser } from "@/lib/parsers"
+
+export const searchParamsCandidateCache = createSearchParamsCache({
+    // Common flags
+    flags: parseAsArrayOf(z.enum(["advancedTable", "floatingBar"])).withDefault([]),
+
+    // Paging
+    page: parseAsInteger.withDefault(1),
+    perPage: parseAsInteger.withDefault(10),
+
+    // Sorting - adjusting for vendorInvestigationsView
+    sort: getSortingStateParser<typeof vendorCandidates.$inferSelect>().withDefault([
+        { id: "createdAt", desc: true },
+    ]),
+
+    // Advanced filter
+    filters: getFiltersStateParser().withDefault([]),
+    joinOperator: parseAsStringEnum(["and", "or"]).withDefault("and"),
+
+    // Global search
+    search: parseAsString.withDefault(""),
+
+    // -----------------------------------------------------------------
+    // Fields specific to vendor investigations
+    // -----------------------------------------------------------------
+
+    // investigationStatus: PLANNED, IN_PROGRESS, COMPLETED, CANCELED
+    status: parseAsStringEnum(["COLLECTED", "INVITED", "DISCARDED"]),
+
+    // In case you also want to filter by vendorName, vendorCode, etc.
+    companyName: parseAsString.withDefault(""),
+    contactEmail: parseAsString.withDefault(""),
+    contactPhone: parseAsString.withDefault(""),
+    country: parseAsString.withDefault(""),
+    source: parseAsString.withDefault(""),
+
+  
+})
+
+// Finally, export the type you can use in your server action:
+export type GetVendorsCandidateSchema = Awaited<ReturnType<typeof searchParamsCandidateCache.parse>>
+
+
+// Updated version of the updateVendorCandidateSchema
+export const updateVendorCandidateSchema = z.object({
+  id: z.number(),
+  companyName: z.string().min(1).max(255).optional(),
+  contactEmail: z.string().email().max(255).optional(),
+  contactPhone: z.string().max(50).optional(),
+  country: z.string().max(100).optional(),
+  source: z.string().max(100).optional(),
+  status: z.enum(["COLLECTED", "INVITED", "DISCARDED"]).optional(),
+  updatedAt: z.date().optional().default(() => new Date()),
+});
+
+// Create schema for vendor candidates
+export const createVendorCandidateSchema = z.object({
+  companyName: z.string().min(1).max(255),
+  contactEmail: z.string().email().max(255),
+  contactPhone: z.string().max(50).optional(),
+  country: z.string().max(100).optional(),
+  source: z.string().max(100).optional(),
+  status: z.enum(["COLLECTED", "INVITED", "DISCARDED"]).default("COLLECTED"),
+});
+
+// Export types for both schemas
+export type UpdateVendorCandidateSchema = z.infer<typeof updateVendorCandidateSchema>;
+export type CreateVendorCandidateSchema = z.infer<typeof createVendorCandidateSchema>;
+
+
+export const removeCandidatesSchema = z.object({
+  ids: z.array(z.number()).min(1, "At least one candidate ID must be provided"),
+});
+
+export type RemoveCandidatesInput = z.infer<typeof removeCandidatesSchema>;
+\ No newline at end of file