diff --git a/src/app/api/export/route.ts b/src/app/api/export/route.ts
index c6b52e8..ca7b403 100644
--- a/src/app/api/export/route.ts
+++ b/src/app/api/export/route.ts
@@ -145,11 +145,8 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
     );
   }
 
-  if (seoCanonicalRaw) {
-    seoHeadParts.push(
-      `    <link rel="canonical" href="${escapeAttr(seoCanonicalRaw)}" />`,
-    );
-  }
+  // canonical URL 은 Export HTML 에서는 meta property="og:url" 로만 사용하고,
+  // 별도의 <link rel="canonical"> 태그는 생성하지 않는다.
 
   if (seoNoIndex) {
     seoHeadParts.push(
diff --git a/src/app/api/forms/submit/route.ts b/src/app/api/forms/submit/route.ts
index 3ec80f9..95a9310 100644
--- a/src/app/api/forms/submit/route.ts
+++ b/src/app/api/forms/submit/route.ts
@@ -5,6 +5,22 @@ import { encryptJson } from "@/features/auth/authCrypto";
 
 const prisma = new PrismaClient() as any;
 
+function resolveProjectSlug(formData: FormData, config: FormBlockProps | null): string | null {
+  const projectSlugRaw = formData.get("__projectSlug");
+  let projectSlug: string | null = null;
+
+  if (typeof projectSlugRaw === "string" && projectSlugRaw.trim() !== "") {
+    projectSlug = projectSlugRaw.trim();
+  } else if (config?.extraParams && typeof config.extraParams.projectSlug === "string") {
+    const v = config.extraParams.projectSlug.trim();
+    if (v !== "") {
+      projectSlug = v;
+    }
+  }
+
+  return projectSlug;
+}
+
 function buildSensitiveFieldNameSet(config: FormBlockProps | null): Set<string> {
   const result = new Set<string>();
   const fields: FormFieldConfig[] = Array.isArray(config?.fields) ? (config!.fields as FormFieldConfig[]) : [];
@@ -55,17 +71,7 @@ function buildSensitiveFieldNameSet(config: FormBlockProps | null): Set<string>
 }
 
 async function persistFormSubmission(formData: FormData, config: FormBlockProps | null) {
-  const projectSlugRaw = formData.get("__projectSlug");
-  let projectSlug: string | null = null;
-
-  if (typeof projectSlugRaw === "string" && projectSlugRaw.trim() !== "") {
-    projectSlug = projectSlugRaw.trim();
-  } else if (config?.extraParams && typeof config.extraParams.projectSlug === "string") {
-    const v = config.extraParams.projectSlug.trim();
-    if (v !== "") {
-      projectSlug = v;
-    }
-  }
+  const projectSlug = resolveProjectSlug(formData, config);
 
   const sensitiveNames = buildSensitiveFieldNameSet(config);
 
@@ -167,6 +173,44 @@ export async function POST(req: Request) {
   const successMessage = config?.successMessage;
   const errorMessage = config?.errorMessage;
 
+  const projectSlug = resolveProjectSlug(formData, config);
+  let projectStatus: string | null = null;
+
+  if (projectSlug) {
+    try {
+      const project = await prisma.project.findUnique({ where: { slug: projectSlug } });
+      if (project && typeof (project as any).status === "string") {
+        projectStatus = (project as any).status as string;
+      }
+    } catch {
+      // 상태 조회 실패는 제출 자체를 막지 않는다. (projectSlug 기반 저장은 계속 허용)
+    }
+  }
+
+  const isProjectClosed = (status: string | null): boolean => {
+    if (!status) return false;
+    if (status === "ARCHIVED") return true;
+    if (status === "DRAFT") return true;
+    return false;
+  };
+
+  if (isProjectClosed(projectStatus)) {
+    const message =
+      errorMessage ??
+      (projectStatus === "DRAFT"
+        ? "아직 공개되지 않은 프로젝트입니다."
+        : "이 프로젝트는 현재 폼 제출이 중단된 상태입니다.");
+
+    return NextResponse.json(
+      {
+        ok: false,
+        error: "project_closed",
+        message,
+      },
+      { status: 403 },
+    );
+  }
+
   if (submitTarget === "internal") {
     await persistFormSubmission(formData, config);
     console.log("[forms/submit][internal]", { name, email, message });
diff --git a/src/app/api/projects/[slug]/route.ts b/src/app/api/projects/[slug]/route.ts
index b3e0479..fb6d411 100644
--- a/src/app/api/projects/[slug]/route.ts
+++ b/src/app/api/projects/[slug]/route.ts
@@ -1,6 +1,7 @@
 import { NextResponse } from "next/server";
-import { PrismaClient } from "@prisma/client";
+import { PrismaClient, ProjectStatus } from "@prisma/client";
 import { verifyAccessToken } from "@/features/auth/authCrypto";
+import { cachePublicProject, parseProjectContentJson } from "@/features/projects/publicCache";
 
 const prisma = new PrismaClient();
 
@@ -98,3 +99,70 @@ export async function DELETE(
     );
   }
 }
+
+export async function PATCH(
+  request: Request,
+  context: { params: { slug: string } | Promise<{ slug: string }> },
+) {
+  const authUser = await getAuthUserFromRequest(request);
+  if (!authUser) {
+    return NextResponse.json({ message: "프로젝트를 수정하려면 로그인이 필요합니다." }, { status: 401 });
+  }
+
+  const { slug } = await context.params;
+
+  let body: any = null;
+  try {
+    body = await request.json();
+  } catch {
+    return NextResponse.json({ message: "잘못된 요청 본문입니다." }, { status: 400 });
+  }
+
+  const nextStatus = body?.status as ProjectStatus | undefined;
+  const allowedStatuses: ProjectStatus[] = ["DRAFT", "PUBLISHED", "ARCHIVED"];
+
+  if (!nextStatus || !allowedStatuses.includes(nextStatus)) {
+    return NextResponse.json({ message: "유효하지 않은 프로젝트 상태입니다." }, { status: 400 });
+  }
+
+  try {
+    const project = await prisma.project.findUnique({
+      where: { slug },
+    });
+
+    if (!project || (project.userId && project.userId !== authUser.id)) {
+      return NextResponse.json({ message: "프로젝트를 찾을 수 없습니다." }, { status: 404 });
+    }
+
+    const updated = await prisma.project.update({
+      where: { slug },
+      data: { status: nextStatus },
+    });
+
+    // 퍼블릭 캐시 스냅샷도 함께 갱신해 /p/[slug] 가 최신 상태를 사용할 수 있도록 한다.
+    try {
+      const { blocks, projectConfig } = parseProjectContentJson((updated as any).contentJson);
+
+      cachePublicProject({
+        slug: updated.slug,
+        title: updated.title,
+        status: (updated as any).status ?? nextStatus,
+        blocks,
+        projectConfig,
+      });
+    } catch {
+      // 캐시 갱신 실패는 퍼블릭 렌더링에만 영향을 주므로 무시한다.
+    }
+
+    return NextResponse.json(updated, { status: 200 });
+  } catch (error: any) {
+    if (error?.code === "P2025") {
+      return NextResponse.json({ message: "프로젝트를 찾을 수 없습니다." }, { status: 404 });
+    }
+
+    return NextResponse.json(
+      { message: "프로젝트 수정 중 오류가 발생했습니다.", error: error?.message },
+      { status: 500 },
+    );
+  }
+}
diff --git a/src/app/api/projects/route.ts b/src/app/api/projects/route.ts
index d1a00dd..828a674 100644
--- a/src/app/api/projects/route.ts
+++ b/src/app/api/projects/route.ts
@@ -1,8 +1,7 @@
 import { NextResponse } from "next/server";
 import { PrismaClient } from "@prisma/client";
 import { verifyAccessToken } from "@/features/auth/authCrypto";
-import type { Block } from "@/features/editor/state/editorStore";
-import { cachePublicProject } from "@/features/projects/publicCache";
+import { cachePublicProject, parseProjectContentJson } from "@/features/projects/publicCache";
 
 const prisma = new PrismaClient();
 
@@ -62,7 +61,80 @@ export async function GET(request: Request) {
       },
     });
 
-    return NextResponse.json(projects, { status: 200 });
+    if (projects.length === 0) {
+      return NextResponse.json(
+        projects.map((p) => ({
+          ...p,
+          todaySubmissions: 0,
+          totalSubmissions: 0,
+        })),
+        { status: 200 },
+      );
+    }
+
+    const projectIds = projects.map((p) => p.id);
+
+    const submissions = await prisma.formSubmission.findMany({
+      where: {
+        userId: authUser.id,
+        projectId: { in: projectIds },
+      },
+      select: {
+        id: true,
+        projectId: true,
+        createdAt: true,
+      },
+    });
+
+    const now = new Date();
+    const startOfToday = new Date(now);
+    startOfToday.setHours(0, 0, 0, 0);
+
+    const statsByProjectId = new Map<
+      string,
+      {
+        todaySubmissions: number;
+        totalSubmissions: number;
+      }
+    >();
+
+    for (const project of projects) {
+      statsByProjectId.set(project.id, { todaySubmissions: 0, totalSubmissions: 0 });
+    }
+
+    for (const submission of submissions) {
+      const projectId = submission.projectId;
+      if (!projectId) continue;
+
+      const stat = statsByProjectId.get(projectId);
+      if (!stat) continue;
+
+      stat.totalSubmissions += 1;
+
+      const createdAt =
+        submission.createdAt instanceof Date
+          ? submission.createdAt
+          : new Date((submission.createdAt as unknown as string) ?? "");
+
+      if (createdAt >= startOfToday) {
+        stat.todaySubmissions += 1;
+      }
+    }
+
+    const result = projects.map((project) => {
+      const stat = statsByProjectId.get(project.id) ?? {
+        todaySubmissions: 0,
+        totalSubmissions: 0,
+      };
+
+      return {
+        ...project,
+        todaySubmissions: stat.todaySubmissions,
+        totalSubmissions: stat.totalSubmissions,
+      };
+    });
+
+    return NextResponse.json(result, { status: 200 });
   } catch (error: any) {
     return NextResponse.json(
       { message: "프로젝트 목록을 가져오는 중 오류가 발생했습니다.", error: error?.message },
@@ -112,17 +184,15 @@ export async function POST(request: Request) {
 
     // 퍼블릭 슬러그 페이지(/p/[slug])가 DB 조회 없이도 최신 스냅샷을 바로 렌더링할 수 있도록
     // 메모리 기반 캐시에 프로젝트 스냅샷을 저장해 둔다.
-    const rawContent = project.contentJson;
-    let contentBlocks: Block[] = [];
-    if (Array.isArray(rawContent)) {
-      contentBlocks = rawContent as unknown as Block[];
-    }
+    const { blocks, projectConfig } = parseProjectContentJson((project as any).contentJson);
 
     try {
       cachePublicProject({
         slug: project.slug,
         title: project.title,
-        contentJson: contentBlocks,
+        status: (project as any).status ?? "DRAFT",
+        blocks,
+        projectConfig,
       });
     } catch {
       // 캐시 저장 실패는 퍼블릭 렌더링에만 영향을 주므로, API 응답 자체는 정상적으로 계속 진행한다.
diff --git a/src/app/editor/page.tsx b/src/app/editor/page.tsx
index f3d515a..73818f1 100644
--- a/src/app/editor/page.tsx
+++ b/src/app/editor/page.tsx
@@ -282,9 +282,27 @@ function EditorPageInner() {
         }
 
         const data = await res.json();
-        if (data && Array.isArray(data.contentJson)) {
-          replaceBlocks(data.contentJson as any);
-          if (data.title && typeof data.title === "string") {
+        const rawContent = (data as any)?.contentJson;
+        let nextBlocks: Block[] | null = null;
+        let nextProjectConfig: ProjectConfig | null = null;
+
+        if (Array.isArray(rawContent)) {
+          nextBlocks = rawContent as Block[];
+        } else if (rawContent && typeof rawContent === "object" && Array.isArray(rawContent.blocks)) {
+          nextBlocks = rawContent.blocks as Block[];
+          if (rawContent.projectConfig && typeof rawContent.projectConfig === "object") {
+            nextProjectConfig = rawContent.projectConfig as ProjectConfig;
+          }
+        }
+
+        if (nextBlocks) {
+          replaceBlocks(nextBlocks as any);
+          if (nextProjectConfig) {
+            updateProjectConfig({
+              ...(nextProjectConfig as ProjectConfig),
+              slug,
+            });
+          } else if (data.title && typeof data.title === "string") {
             updateProjectConfig({ title: data.title, slug });
           } else {
             updateProjectConfig({ slug });
@@ -483,9 +501,13 @@ function EditorPageInner() {
       // 1) 로컬스토리지에 현재 상태 저장 (슬러그 기준)
       if (typeof window !== "undefined") {
         const localKey = `pb:project:${slug}`;
+        const snapshot = {
+          blocks,
+          projectConfig,
+        };
         const payload = {
           title,
-          contentJson: blocks,
+          contentJson: snapshot,
         };
         window.localStorage.setItem(localKey, JSON.stringify(payload));
 
@@ -505,6 +527,10 @@ function EditorPageInner() {
       }
 
       // 2) 서버에도 저장 (백업/공유용)
+      const snapshotForServer = {
+        blocks,
+        projectConfig,
+      };
       const response = await fetch("/api/projects", {
         method: "POST",
         headers: {
@@ -513,7 +539,7 @@ function EditorPageInner() {
         body: JSON.stringify({
           title,
           slug,
-          contentJson: blocks,
+          contentJson: snapshotForServer,
         }),
       });
 
@@ -559,10 +585,33 @@ function EditorPageInner() {
         const raw = window.localStorage.getItem(localKey);
         if (raw) {
           try {
-            const parsed = JSON.parse(raw);
-            if (parsed && Array.isArray(parsed.contentJson)) {
-              replaceBlocks(parsed.contentJson as any);
-              if (parsed.title && typeof parsed.title === "string") {
+            const parsed = JSON.parse(raw) as {
+              title?: string;
+              contentJson?: any;
+            };
+
+            const rawContent = (parsed as any)?.contentJson;
+            let nextBlocks: Block[] | null = null;
+            let nextProjectConfig: ProjectConfig | null = null;
+
+            if (Array.isArray(rawContent)) {
+              nextBlocks = rawContent as Block[];
+            } else if (rawContent && typeof rawContent === "object" && Array.isArray(rawContent.blocks)) {
+              nextBlocks = rawContent.blocks as Block[];
+              if (rawContent.projectConfig && typeof rawContent.projectConfig === "object") {
+                nextProjectConfig = rawContent.projectConfig as ProjectConfig;
+              }
+            }
+
+            if (nextBlocks) {
+              replaceBlocks(nextBlocks as any);
+
+              if (nextProjectConfig) {
+                updateProjectConfig({
+                  ...(nextProjectConfig as ProjectConfig),
+                  slug,
+                });
+              } else if (parsed.title && typeof parsed.title === "string") {
                 updateProjectConfig({ title: parsed.title, slug });
               } else {
                 updateProjectConfig({ slug });
@@ -588,9 +637,27 @@ function EditorPageInner() {
       }
 
       const data = await response.json();
-      if (data && Array.isArray(data.contentJson)) {
-        replaceBlocks(data.contentJson as any);
-        if (data.title && typeof data.title === "string") {
+      const rawContent = (data as any)?.contentJson;
+      let nextBlocks: Block[] | null = null;
+      let nextProjectConfig: ProjectConfig | null = null;
+
+      if (Array.isArray(rawContent)) {
+        nextBlocks = rawContent as Block[];
+      } else if (rawContent && typeof rawContent === "object" && Array.isArray(rawContent.blocks)) {
+        nextBlocks = rawContent.blocks as Block[];
+        if (rawContent.projectConfig && typeof rawContent.projectConfig === "object") {
+          nextProjectConfig = rawContent.projectConfig as ProjectConfig;
+        }
+      }
+
+      if (nextBlocks) {
+        replaceBlocks(nextBlocks as any);
+        if (nextProjectConfig) {
+          updateProjectConfig({
+            ...(nextProjectConfig as ProjectConfig),
+            slug,
+          });
+        } else if (data.title && typeof data.title === "string") {
           updateProjectConfig({ title: data.title, slug });
         } else {
           updateProjectConfig({ slug });
diff --git a/src/app/p/[slug]/PublicProjectPageClient.tsx b/src/app/p/[slug]/PublicProjectPageClient.tsx
index bc2bdd7..3243275 100644
--- a/src/app/p/[slug]/PublicProjectPageClient.tsx
+++ b/src/app/p/[slug]/PublicProjectPageClient.tsx
@@ -5,9 +5,10 @@ import { getPublicPageRendererMessages } from "@/features/i18n/messages/publicPa
 
 interface PublicProjectPageClientProps {
   html: string;
+  canSubmit?: boolean;
 }
 
-export default function PublicProjectPageClient({ html }: PublicProjectPageClientProps) {
+export default function PublicProjectPageClient({ html, canSubmit = true }: PublicProjectPageClientProps) {
   const m = getPublicPageRendererMessages(null);
   const [toastMessage, setToastMessage] = useState<string | null>(null);
 
@@ -52,6 +53,12 @@ export default function PublicProjectPageClient({ html }: PublicProjectPageClien
           }
         }
 
+        if (!canSubmit) {
+          const errorMsg = (config && config.errorMessage) || m.submitErrorDefault;
+          showToast(errorMsg);
+          return;
+        }
+
         const action = form.getAttribute("action") || "/api/forms/submit";
 
         fetch(action, { method: "POST", body: formData })
diff --git a/src/app/p/[slug]/page.tsx b/src/app/p/[slug]/page.tsx
index b89df23..708c4c7 100644
--- a/src/app/p/[slug]/page.tsx
+++ b/src/app/p/[slug]/page.tsx
@@ -1,9 +1,10 @@
 import { notFound } from "next/navigation";
+import type { Metadata } from "next";
 import { PrismaClient } from "@prisma/client";
 
 import type { Block, ProjectConfig } from "@/features/editor/state/editorStore";
 import { buildStaticHtml } from "@/features/export/buildStaticHtml";
-import { getCachedPublicProject } from "@/features/projects/publicCache";
+import { getCachedPublicProject, parseProjectContentJson } from "@/features/projects/publicCache";
 import PublicProjectPageClient from "./PublicProjectPageClient";
 
 const prisma = new PrismaClient();
@@ -14,6 +15,113 @@ interface PageParams {
   params: Promise<{ slug: string }>;
 }
 
+async function resolveSlugParam(rawParams: { slug: string } | Promise<{ slug: string }>): Promise<string> {
+	const resolved = await rawParams;
+	const slugRaw = resolved?.slug ?? "";
+	return slugRaw.toString().trim();
+}
+
+export async function generateMetadata(
+	props:
+		| { params: { slug: string } }
+		| {
+			params: Promise<{ slug: string }>;
+		},
+): Promise<Metadata> {
+	const slug = await resolveSlugParam((props as any).params);
+	if (!slug) {
+		return {};
+	}
+
+	const cached = getCachedPublicProject(slug);
+
+	let status: string | null = null;
+	let projectConfigFromContent: ProjectConfig | null = null;
+	let fallbackTitle: string | null = null;
+
+	if (cached) {
+		status = (cached as any).status ?? null;
+		projectConfigFromContent = (cached as any).projectConfig ?? null;
+		fallbackTitle = cached.title ?? null;
+	} else {
+		const project = await prisma.project.findUnique({
+			where: { slug },
+			select: {
+				title: true,
+				status: true,
+				contentJson: true,
+			},
+		});
+
+		if (!project) {
+			return {};
+		}
+
+		status = (project as any).status ?? null;
+		const { projectConfig } = parseProjectContentJson((project as any).contentJson);
+		projectConfigFromContent = projectConfig;
+		fallbackTitle = project.title ?? null;
+	}
+
+	if (status === "DRAFT") {
+		// DRAFT 프로젝트는 404 처리되므로 별도의 메타데이터를 노출하지 않는다.
+		return {};
+	}
+
+	const baseConfig: ProjectConfig = {
+		...(projectConfigFromContent ?? {}),
+		title: (projectConfigFromContent?.title ?? fallbackTitle ?? slug) as any,
+		slug,
+	} as ProjectConfig;
+
+	const baseTitleRaw = (baseConfig.title ?? "").trim() || "Page Builder";
+	const seoTitleRaw = (baseConfig as any).seoTitle
+		? String((baseConfig as any).seoTitle).trim()
+		: "";
+	const pageTitle = seoTitleRaw || baseTitleRaw;
+
+	const seoDescriptionRaw = (baseConfig as any).seoDescription
+		? String((baseConfig as any).seoDescription).trim()
+		: "";
+	const seoCanonicalRaw = (baseConfig as any).seoCanonicalUrl
+		? String((baseConfig as any).seoCanonicalUrl).trim()
+		: "";
+	const seoOgImageRaw = (baseConfig as any).seoOgImageUrl
+		? String((baseConfig as any).seoOgImageUrl).trim()
+		: "";
+	const seoNoIndex = Boolean((baseConfig as any).seoNoIndex);
+
+	const description = seoDescriptionRaw || undefined;
+	const ogUrl = seoCanonicalRaw || undefined;
+	const ogImage = seoOgImageRaw || undefined;
+
+	const metadata: Metadata = {
+		title: pageTitle,
+		description,
+		openGraph: {
+			title: pageTitle,
+			description,
+			type: "website",
+			url: ogUrl,
+			images: ogImage ? [ogImage] : undefined,
+		},
+		twitter: {
+			card: "summary_large_image",
+			title: pageTitle,
+			description,
+			images: ogImage ? [ogImage] : undefined,
+		},
+		robots: seoNoIndex
+			? {
+					index: false,
+					follow: false,
+			  }
+			: undefined,
+	};
+
+	return metadata;
+}
+
 // /p/[slug] 공개 페이지
 // - slug 에 해당하는 Project 의 contentJson 을 불러와 buildStaticHtml 로 정적 HTML 을 생성한다.
 // - Export ZIP 에 포함되는 index.html 과 동일한 app-root DOM 구조를 사용해 렌더링한다.
@@ -33,16 +141,21 @@ export default async function PublicProjectPage({ params }: PageParams) {
 
   let blocks: Block[];
   let title: string;
+  let status: string | null = null;
+  let projectConfigFromContent: ProjectConfig | null = null;
 
   if (cached) {
-    blocks = cached.contentJson ?? [];
+    blocks = cached.blocks ?? [];
     title = cached.title ?? "";
+    status = (cached as any).status ?? null;
+    projectConfigFromContent = (cached as any).projectConfig ?? null;
   } else {
     const project = await prisma.project.findUnique({
       where: { slug },
       select: {
         title: true,
         slug: true,
+        status: true,
         contentJson: true,
       },
     });
@@ -51,24 +164,40 @@ export default async function PublicProjectPage({ params }: PageParams) {
       notFound();
     }
 
-    const rawContent = project.contentJson;
-    let contentBlocks: Block[] = [];
-    if (Array.isArray(rawContent)) {
-      contentBlocks = rawContent as unknown as Block[];
-    }
-    blocks = contentBlocks;
+    const { blocks: parsedBlocks, projectConfig } = parseProjectContentJson(
+      (project as any).contentJson,
+    );
+    blocks = parsedBlocks;
     title = project.title;
+    status = (project as any).status ?? null;
+    projectConfigFromContent = projectConfig;
+  }
+
+  if (status === "DRAFT") {
+    notFound();
   }
 
   // Export index.html 과 동일한 규칙으로 ProjectConfig 를 구성한다.
-  const projectConfig: ProjectConfig = {
+  const baseConfig: ProjectConfig = {
+    ...(projectConfigFromContent ?? {}),
     title,
     slug,
-    canvasPreset: "full",
-    canvasBgColorHex: "#020617",
-    bodyBgColorHex: "#020617",
   } as ProjectConfig;
 
+  if (!baseConfig.canvasPreset) {
+    baseConfig.canvasPreset = "full" as ProjectConfig["canvasPreset"];
+  }
+  if (!baseConfig.canvasBgColorHex) {
+    baseConfig.canvasBgColorHex = "#020617";
+  }
+  if (!baseConfig.bodyBgColorHex) {
+    baseConfig.bodyBgColorHex = "#020617";
+  }
+
+  const projectConfig: ProjectConfig = baseConfig;
+
+  const canSubmit = status === "ARCHIVED" ? false : true;
+
   const fullHtml = buildStaticHtml(blocks, projectConfig);
 
   // buildStaticHtml 이 생성한 index.html 에서 <main> ... </main> 블록만 추출해 렌더링한다.
@@ -76,5 +205,24 @@ export default async function PublicProjectPage({ params }: PageParams) {
   const mainMatch = fullHtml.match(/<main[\s\S]*?<\/main>/);
   const mainHtml = mainMatch ? mainMatch[0] : "";
 
-  return <PublicProjectPageClient html={mainHtml} />;
+  return (
+		<>
+			{(projectConfig as any).headHtml ? (
+				<div
+					// headHtml 은 meta/script 태그 등을 포함하는 임의의 HTML 조각으로 가정하고,
+					// SSR 시 그대로 문서에 포함되도록 body 안에 삽입한다.
+					dangerouslySetInnerHTML={{ __html: String((projectConfig as any).headHtml) }}
+				/>
+			) : null}
+			{(projectConfig as any).trackingScript ? (
+				<div
+					// trackingScript 는 HTML 문자열(일반적으로 <script>...</script>) 이므로 그대로 삽입한다.
+					dangerouslySetInnerHTML={{
+						__html: String((projectConfig as any).trackingScript),
+					}}
+				/>
+			) : null}
+			<PublicProjectPageClient html={mainHtml} canSubmit={canSubmit} />
+		</>
+	);
 }
diff --git a/src/app/projects/page.tsx b/src/app/projects/page.tsx
index de3ab88..7a35574 100644
--- a/src/app/projects/page.tsx
+++ b/src/app/projects/page.tsx
@@ -15,6 +15,8 @@ import {
   FolderKanban,
   SunMoon,
   BarChart2,
+  HelpCircle,
+  ExternalLink,
 } from "lucide-react";
 import { useAppLocale } from "@/features/i18n/LocaleProvider";
 import { getDashboardMessages } from "@/features/i18n/messages/dashboard";
@@ -27,6 +29,8 @@ interface ProjectListItem {
   status: string;
   createdAt: string;
   updatedAt: string;
+  todaySubmissions?: number;
+  totalSubmissions?: number;
 }
 
 export default function ProjectsPage() {
@@ -41,6 +45,7 @@ export default function ProjectsPage() {
   const [currentPage, setCurrentPage] = useState(1);
   const [isMenuOpen, setIsMenuOpen] = useState(false);
   const [emailVerified, setEmailVerified] = useState<boolean | null>(null);
+  const [isStatusHelpOpen, setIsStatusHelpOpen] = useState(false);
   const pageSize = 10;
 
   useEffect(() => {
@@ -117,6 +122,50 @@ export default function ProjectsPage() {
     setCurrentPage((prev) => Math.min(prev, totalPages));
   }, [projects.length, pageSize]);
 
+  const handleStatusChange = async (
+    slug: string,
+    nextStatus: "DRAFT" | "PUBLISHED" | "ARCHIVED",
+  ) => {
+    try {
+      const res = await fetch(`/api/projects/${encodeURIComponent(slug)}`, {
+        method: "PATCH",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({ status: nextStatus }),
+      });
+
+      if (!res.ok) {
+        setStatus("error");
+        setErrorMessage(p.errorFetchGeneric);
+        return;
+      }
+
+      const updated = (await res.json().catch(() => null)) as
+        | (ProjectListItem & { status?: string })
+        | null;
+
+      setProjects((prev) =>
+        prev.map((project) => {
+          if (project.slug !== slug) return project;
+          const updatedStatus = updated?.status ?? nextStatus;
+          const updatedAt = (updated as any)?.updatedAt ?? project.updatedAt;
+          return {
+            ...project,
+            status: updatedStatus,
+            updatedAt,
+          };
+        }),
+      );
+
+      setStatus("idle");
+      setErrorMessage(null);
+    } catch {
+      setStatus("error");
+      setErrorMessage(p.errorFetchGeneric);
+    }
+  };
+
   const handleDelete = async (slug: string) => {
     if (typeof window !== "undefined") {
       const confirmed = window.confirm(p.confirmDeleteSingle);
@@ -391,7 +440,30 @@ export default function ProjectsPage() {
                   </th>
                   <th className="py-2 pr-4">{p.tableHeaderTitle}</th>
                   <th className="py-2 pr-4">{p.tableHeaderSlug}</th>
-                  <th className="py-2 pr-4">{p.tableHeaderStatus}</th>
+                  <th className="py-2 pr-4 relative">
+                    <span className="inline-flex items-center gap-1">
+                      <span>{p.tableHeaderStatus}</span>
+                      <button
+                        type="button"
+                        aria-label={p.tableHeaderStatusHelpLabel}
+                        aria-pressed={isStatusHelpOpen}
+                        className="inline-flex items-center justify-center w-4 h-4 rounded-full border border-slate-300 text-slate-500 bg-white hover:bg-slate-100 dark:border-slate-600 dark:text-slate-300 dark:bg-slate-900 dark:hover:bg-slate-800"
+                        onClick={() => {
+                          setIsStatusHelpOpen((prev) => !prev);
+                        }}
+                      >
+                        <HelpCircle className="w-3 h-3" aria-hidden="true" />
+                      </button>
+                    </span>
+                    {isStatusHelpOpen && (
+                      <div className="absolute z-20 mt-1 w-72 rounded-md border border-slate-200 bg-white p-2 text-[10px] text-slate-700 shadow-md dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200">
+                        <pre className="whitespace-pre-wrap font-sans text-[10px] leading-snug">
+                          {p.tableHeaderStatusHelpTooltip}
+                        </pre>
+                      </div>
+                    )}
+                  </th>
+                  <th className="py-2 pr-4">{p.tableHeaderSubmissions}</th>
                   <th className="py-2 pr-4">{p.tableHeaderCreatedAt}</th>
                   <th className="py-2 pr-4">{p.tableHeaderUpdatedAt}</th>
                   <th className="py-2 pr-4 text-right">{p.tableHeaderActions}</th>
@@ -424,7 +496,36 @@ export default function ProjectsPage() {
                       </td>
                       <td className="py-2 pr-4 text-slate-900 dark:text-slate-100">{project.title}</td>
                       <td className="py-2 pr-4 text-slate-600 dark:text-slate-300 font-mono text-[11px]">{project.slug}</td>
-                      <td className="py-2 pr-4 text-slate-600 dark:text-slate-300">{project.status}</td>
+                      <td className="py-2 pr-4 text-slate-600 dark:text-slate-300">
+                        <select
+                          value={project.status}
+                          onChange={(e) => {
+                            const value = e.target.value as "DRAFT" | "PUBLISHED" | "ARCHIVED";
+                            if (value !== project.status) {
+                              void handleStatusChange(project.slug, value);
+                            }
+                          }}
+                          className="border border-slate-300 rounded px-1.5 py-1 text-[11px] bg-white text-slate-700 dark:bg-slate-900 dark:border-slate-700 dark:text-slate-200"
+                        >
+                          <option value="DRAFT">{p.statusDraftLabel}</option>
+                          <option value="PUBLISHED">{p.statusPublishedLabel}</option>
+                          <option value="ARCHIVED">{p.statusArchivedLabel}</option>
+                        </select>
+                      </td>
+                      <td className="py-2 pr-4 text-slate-600 dark:text-slate-300 text-[11px]">
+                        <Link
+                          href={`/projects/${encodeURIComponent(project.slug)}/submissions`}
+                          className="inline-flex items-center gap-1 text-emerald-600 hover:text-emerald-700 underline-offset-2 hover:underline dark:text-emerald-300 dark:hover:text-emerald-100"
+                        >
+                          <ListChecks className="w-3 h-3" aria-hidden="true" />
+                          <span>
+                            {(project.todaySubmissions ?? 0).toString()}/{
+                              (project.totalSubmissions ?? 0).toString()
+                            }
+                          </span>
+                          <span className="sr-only">{p.actionViewSubmissions}</span>
+                        </Link>
+                      </td>
                       <td className="py-2 pr-4 text-slate-500 dark:text-slate-400 text-[11px]">
                         {new Date(project.createdAt).toLocaleString()}
                       </td>
@@ -432,37 +533,32 @@ export default function ProjectsPage() {
                         {new Date(project.updatedAt).toLocaleString()}
                       </td>
                       <td className="py-2 pl-4 pr-0 text-right text-[11px]">
-                        <div className="inline-flex items-center gap-2">
+                        <div className="inline-flex items-center gap-1">
                           <Link
                             href={`/editor?slug=${encodeURIComponent(project.slug)}`}
                             className="inline-flex items-center gap-1 text-sky-600 hover:text-sky-700 underline-offset-2 hover:underline dark:text-sky-300 dark:hover:text-sky-200"
                           >
-                            <Pencil className="w-3 h-3" aria-hidden="true" />
-                            <span>{p.actionEdit}</span>
+                            <Pencil className="w-4 h-4" aria-hidden="true" />
+                            <span className="sr-only">{p.actionEdit}</span>
                           </Link>
                           <Link
                             href={`/preview?slug=${encodeURIComponent(project.slug)}`}
                             className="inline-flex items-center gap-1 text-slate-600 hover:text-slate-800 underline-offset-2 hover:underline dark:text-slate-300 dark:hover:text-slate-100"
                           >
-                            <Eye className="w-3 h-3" aria-hidden="true" />
-                            <span>{p.actionPreview}</span>
+                            <Eye className="w-4 h-4" aria-hidden="true" />
+                            <span className="sr-only">{p.actionPreview}</span>
                           </Link>
                           {emailVerified !== false && (
                             <Link
                               href={`/p/${encodeURIComponent(project.slug)}`}
+                              target="_blank"
+                              rel="noopener noreferrer"
                               className="inline-flex items-center gap-1 text-sky-700 hover:text-sky-900 underline-offset-2 hover:underline dark:text-sky-300 dark:hover:text-sky-200"
                             >
-                              <Eye className="w-3 h-3" aria-hidden="true" />
-                              <span>{t.projectOpenPublicPageLink}</span>
+                              <ExternalLink className="w-4 h-4" aria-hidden="true" />
+                              <span className="sr-only">{t.projectOpenPublicPageLink}</span>
                             </Link>
                           )}
-                          <Link
-                            href={`/projects/${encodeURIComponent(project.slug)}/submissions`}
-                            className="inline-flex items-center gap-1 text-emerald-600 hover:text-emerald-700 underline-offset-2 hover:underline dark:text-emerald-300 dark:hover:text-emerald-100"
-                          >
-                            <ListChecks className="w-3 h-3" aria-hidden="true" />
-                            <span>{p.actionViewSubmissions}</span>
-                          </Link>
                           <button
                             type="button"
                             className="inline-flex items-center gap-1 text-red-600 hover:text-red-700 underline-offset-2 hover:underline dark:text-red-300 dark:hover:text-red-200"
@@ -470,8 +566,8 @@ export default function ProjectsPage() {
                               void handleDelete(project.slug);
                             }}
                           >
-                            <Trash2 className="w-3 h-3" aria-hidden="true" />
-                            <span>{p.actionDelete}</span>
+                            <Trash2 className="w-4 h-4" aria-hidden="true" />
+                            <span className="sr-only">{p.actionDelete}</span>
                           </button>
                         </div>
                       </td>
diff --git a/src/features/i18n/messages/editorProjectPropertiesPanel.ts b/src/features/i18n/messages/editorProjectPropertiesPanel.ts
index cdf00fa..69e5242 100644
--- a/src/features/i18n/messages/editorProjectPropertiesPanel.ts
+++ b/src/features/i18n/messages/editorProjectPropertiesPanel.ts
@@ -92,8 +92,9 @@ const EDITOR_PROJECT_PROPERTIES_PANEL_MESSAGES: Record<AppLocale, EditorProjectP
     seoOgImageUrlAria: "OG/Twitter image URL",
     seoOgImageUrlPlaceholder: "e.g. https://example.com/og-image.png",
 
-    seoCanonicalUrlLabel: "Canonical URL",
-    seoCanonicalUrlAria: "Canonical URL",
+    // Canonical 은 더 이상 <link rel=\"canonical\"> 로 쓰지 않고, 공유 URL(og:url) 설정 용도로만 사용한다.
+    seoCanonicalUrlLabel: "Share URL (og:url)",
+    seoCanonicalUrlAria: "Share URL (og:url)",
     seoCanonicalUrlPlaceholder: "e.g. https://example.com/landing",
 
     seoNoIndexAria: "Hide from search engines (noindex)",
@@ -145,8 +146,9 @@ const EDITOR_PROJECT_PROPERTIES_PANEL_MESSAGES: Record<AppLocale, EditorProjectP
     seoOgImageUrlAria: "OG/Twitter 이미지 URL",
     seoOgImageUrlPlaceholder: "예: https://example.com/og-image.png",
 
-    seoCanonicalUrlLabel: "Canonical URL",
-    seoCanonicalUrlAria: "Canonical URL",
+    // Canonical 은 더 이상 <link rel=\"canonical\"> 로 쓰지 않고, 공유 URL(og:url) 설정 용도로만 사용한다.
+    seoCanonicalUrlLabel: "공유 URL (og:url)",
+    seoCanonicalUrlAria: "공유 URL (og:url)",
     seoCanonicalUrlPlaceholder: "예: https://example.com/landing",
 
     seoNoIndexAria: "검색 엔진에 노출하지 않기 (noindex)",
diff --git a/src/features/i18n/messages/projects.ts b/src/features/i18n/messages/projects.ts
index 5697ca4..af61304 100644
--- a/src/features/i18n/messages/projects.ts
+++ b/src/features/i18n/messages/projects.ts
@@ -19,6 +19,14 @@ export type ProjectsMessages = {
   tableHeaderTitle: string;
   tableHeaderSlug: string;
   tableHeaderStatus: string;
+  tableHeaderStatusHelpLabel: string;
+  tableHeaderStatusHelpTooltip: string;
+  statusDraftLabel: string;
+  statusPublishedLabel: string;
+  statusArchivedLabel: string;
+  tableHeaderSubmissions: string;
+  tableHeaderSubmissionsHelpLabel: string;
+  tableHeaderSubmissionsHelpTooltip: string;
   tableHeaderCreatedAt: string;
   tableHeaderUpdatedAt: string;
   tableHeaderActions: string;
@@ -60,6 +68,18 @@ const PROJECTS_MESSAGES: Record<AppLocale, ProjectsMessages> = {
     tableHeaderTitle: "Title",
     tableHeaderSlug: "Address (slug)",
     tableHeaderStatus: "Status",
+    tableHeaderStatusHelpLabel: "Project status help",
+    tableHeaderStatusHelpTooltip:
+      "Draft: Public page is blocked (404) and form submissions are not accepted.\n" +
+      "Published: Public page is live and form submissions are accepted.\n" +
+      "Archived: Public page is live but new form submissions are blocked.",
+    statusDraftLabel: "Draft (blocked)",
+    statusPublishedLabel: "Published (live)",
+    statusArchivedLabel: "Archived (read-only)",
+    tableHeaderSubmissions: "Submissions (today/total)",
+    tableHeaderSubmissionsHelpLabel: "Submission counts help",
+    tableHeaderSubmissionsHelpTooltip:
+      "Shows form submission counts as [icon] today/total (today's submissions / all submissions).",
     tableHeaderCreatedAt: "Created at",
     tableHeaderUpdatedAt: "Updated at",
     tableHeaderActions: "Actions",
@@ -100,6 +120,18 @@ const PROJECTS_MESSAGES: Record<AppLocale, ProjectsMessages> = {
     tableHeaderTitle: "제목",
     tableHeaderSlug: "주소(slug)",
     tableHeaderStatus: "상태",
+    tableHeaderStatusHelpLabel: "프로젝트 상태 설명",
+    tableHeaderStatusHelpTooltip:
+      "차단: 퍼블릭 페이지가 404로 차단되고 폼 제출을 받지 않습니다.\n" +
+      "운영 중: 퍼블릭 페이지에 노출되고 폼 제출을 정상적으로 받습니다.\n" +
+      "제출 중단(오픈): 퍼블릭 페이지는 열리지만 새 폼 제출은 차단됩니다.",
+    statusDraftLabel: "차단",
+    statusPublishedLabel: "운영 중",
+    statusArchivedLabel: "제출 중단(오픈)",
+    tableHeaderSubmissions: "제출 내역 (오늘/전체)",
+    tableHeaderSubmissionsHelpLabel: "제출 내역 수치 설명",
+    tableHeaderSubmissionsHelpTooltip:
+      "아이콘 옆 숫자는 '오늘 제출 수 / 전체 누적 제출 수'를 의미합니다.",
     tableHeaderCreatedAt: "생성일",
     tableHeaderUpdatedAt: "수정일",
     tableHeaderActions: "액션",
diff --git a/src/features/projects/publicCache.ts b/src/features/projects/publicCache.ts
index 96a7133..ed3c21c 100644
--- a/src/features/projects/publicCache.ts
+++ b/src/features/projects/publicCache.ts
@@ -1,9 +1,11 @@
-import type { Block } from "@/features/editor/state/editorStore";
+import type { Block, ProjectConfig } from "@/features/editor/state/editorStore";
 
 interface PublicProjectSnapshot {
   slug: string;
   title: string;
-  contentJson: Block[];
+  status: string;
+  blocks: Block[];
+  projectConfig: ProjectConfig | null;
 }
 
 function getStore(): Map<string, PublicProjectSnapshot> {
@@ -23,3 +25,26 @@ export function getCachedPublicProject(slug: string): PublicProjectSnapshot | nu
   const store = getStore();
   return store.get(slug) ?? null;
 }
+
+export function parseProjectContentJson(rawContent: any): {
+  blocks: Block[];
+  projectConfig: ProjectConfig | null;
+} {
+  let blocks: Block[] = [];
+  let projectConfig: ProjectConfig | null = null;
+
+  if (Array.isArray(rawContent)) {
+    blocks = rawContent as Block[];
+  } else if (rawContent && typeof rawContent === "object") {
+    const maybeBlocks = (rawContent as any).blocks;
+    if (Array.isArray(maybeBlocks)) {
+      blocks = maybeBlocks as Block[];
+      const maybeConfig = (rawContent as any).projectConfig;
+      if (maybeConfig && typeof maybeConfig === "object") {
+        projectConfig = maybeConfig as ProjectConfig;
+      }
+    }
+  }
+
+  return { blocks, projectConfig };
+}
diff --git a/tests/api/export.spec.ts b/tests/api/export.spec.ts
index 361e2ec..6b631b4 100644
--- a/tests/api/export.spec.ts
+++ b/tests/api/export.spec.ts
@@ -378,7 +378,7 @@ describe("/api/export", () => {
     );
   });
 
-  it("seoTitle/seoDescription/seoCanonicalUrl/seoOgImageUrl/seoNoIndex 가 설정된 경우 head 에 SEO 메타 태그들이 생성되어야 한다", () => {
+  it("seoTitle/seoDescription/seoCanonicalUrl/seoOgImageUrl/seoNoIndex 가 설정된 경우 head 에 SEO 메타 태그들이 생성되지만 canonical 링크 태그는 생성되지 않아야 한다", () => {
     const blocks: Block[] = [];
 
     const projectConfig: ProjectConfig = {
@@ -400,6 +400,7 @@ describe("/api/export", () => {
     expect(html).toContain('meta property="og:description" content="SEO 설명"');
     expect(html).toContain('meta property="og:type" content="website"');
     expect(html).toContain('meta property="og:image" content="https://example.com/og.png"');
+    // canonical URL 은 meta property="og:url" 로만 사용하고, <link rel="canonical"> 태그는 생성하지 않는다.
     expect(html).toContain('meta property="og:url" content="https://example.com/landing"');
 
     expect(html).toContain('meta name="twitter:card" content="summary_large_image"');
@@ -407,7 +408,8 @@ describe("/api/export", () => {
     expect(html).toContain('meta name="twitter:description" content="SEO 설명"');
     expect(html).toContain('meta name="twitter:image" content="https://example.com/og.png"');
 
-    expect(html).toContain('<link rel="canonical" href="https://example.com/landing" />');
+    // canonical 링크 태그는 생성되지 않아야 한다.
+    expect(html).not.toContain('<link rel="canonical" href="https://example.com/landing" />');
     expect(html).toContain('<meta name="robots" content="noindex, nofollow" />');
   });
 
diff --git a/tests/api/formsSubmit.spec.ts b/tests/api/formsSubmit.spec.ts
index 835fa98..03737a3 100644
--- a/tests/api/formsSubmit.spec.ts
+++ b/tests/api/formsSubmit.spec.ts
@@ -549,4 +549,165 @@ describe("/api/forms/submit", () => {
       expect(sensitive.birthdate).toBe("1990-01-01");
     });
   });
+
+describe("프로젝트 status 에 따른 제출 허용/차단", () => {
+  it("PUBLISHED 상태 프로젝트는 internal 모드 제출을 허용해야 한다", async () => {
+    inMemoryProjects.push({
+      id: "proj-published",
+      slug: "project-published",
+      userId: "owner-published",
+      status: "PUBLISHED",
+    });
+
+    const config: FormBlockProps = {
+      kind: "contact",
+      submitTarget: "internal",
+      successMessage: "ok",
+      errorMessage: "err",
+      fieldIds: [],
+      submitButtonId: null,
+    };
+
+    const formData = new FormData();
+    formData.append("email", "published@example.com");
+    formData.append("message", "message");
+    formData.append("__projectSlug", "project-published");
+    formData.append("__config", JSON.stringify(config));
+
+    const { POST: handleSubmit } = await import("@/app/api/forms/submit/route");
+
+    const res = await handleSubmit(
+      new Request(`${BASE_URL}/api/forms/submit`, {
+        method: "POST",
+        body: formData,
+      }),
+    );
+
+    expect(res.status).toBe(200);
+    const json = (await res.json()) as any;
+    expect(json.ok).toBe(true);
+
+    expect(inMemoryFormSubmissions.length).toBe(1);
+    const saved = inMemoryFormSubmissions[0] as any;
+    expect(saved.projectSlug).toBe("project-published");
+    expect(saved.projectId).toBe("proj-published");
+    expect(saved.userId).toBe("owner-published");
+  });
+
+  it("ARCHIVED 상태 프로젝트는 project_closed 로 제출을 차단해야 한다", async () => {
+    inMemoryProjects.push({
+      id: "proj-archived",
+      slug: "project-archived",
+      userId: "owner-archived",
+      status: "ARCHIVED",
+    });
+
+    const config: FormBlockProps = {
+      kind: "contact",
+      submitTarget: "internal",
+      successMessage: "ok",
+      errorMessage: "폼 제출이 중단된 프로젝트입니다.",
+      fieldIds: [],
+      submitButtonId: null,
+    };
+
+    const formData = new FormData();
+    formData.append("email", "archived@example.com");
+    formData.append("__projectSlug", "project-archived");
+    formData.append("__config", JSON.stringify(config));
+
+    const { POST: handleSubmit } = await import("@/app/api/forms/submit/route");
+
+    const res = await handleSubmit(
+      new Request(`${BASE_URL}/api/forms/submit`, {
+        method: "POST",
+        body: formData,
+      }),
+    );
+
+    expect(res.status).toBe(403);
+    const json = (await res.json()) as any;
+    expect(json.ok).toBe(false);
+    expect(json.error).toBe("project_closed");
+    expect(json.message).toBe(config.errorMessage);
+
+    expect(inMemoryFormSubmissions.length).toBe(0);
+  });
+
+  it("DRAFT 상태 프로젝트도 project_closed 로 제출을 차단해야 한다", async () => {
+    inMemoryProjects.push({
+      id: "proj-draft",
+      slug: "project-draft",
+      userId: "owner-draft",
+      status: "DRAFT",
+    });
+
+    const config: FormBlockProps = {
+      kind: "contact",
+      submitTarget: "internal",
+      successMessage: "ok",
+      errorMessage: "아직 공개되지 않은 프로젝트입니다.",
+      fieldIds: [],
+      submitButtonId: null,
+    };
+
+    const formData = new FormData();
+    formData.append("email", "draft@example.com");
+    formData.append("__projectSlug", "project-draft");
+    formData.append("__config", JSON.stringify(config));
+
+    const { POST: handleSubmit } = await import("@/app/api/forms/submit/route");
+
+    const res = await handleSubmit(
+      new Request(`${BASE_URL}/api/forms/submit`, {
+        method: "POST",
+        body: formData,
+      }),
+    );
+
+    expect(res.status).toBe(403);
+    const json = (await res.json()) as any;
+    expect(json.ok).toBe(false);
+    expect(json.error).toBe("project_closed");
+    expect(json.message).toBe(config.errorMessage);
+
+    expect(inMemoryFormSubmissions.length).toBe(0);
+  });
+
+  it("프로젝트를 찾지 못한 경우에는 기존처럼 projectSlug 만으로 제출을 허용해야 한다", async () => {
+    const config: FormBlockProps = {
+      kind: "contact",
+      submitTarget: "internal",
+      successMessage: "ok",
+      errorMessage: "err",
+      fieldIds: [],
+      submitButtonId: null,
+    };
+
+    const formData = new FormData();
+    formData.append("email", "unknown@example.com");
+    formData.append("__projectSlug", "missing-project");
+    formData.append("__config", JSON.stringify(config));
+
+    const { POST: handleSubmit } = await import("@/app/api/forms/submit/route");
+
+    const res = await handleSubmit(
+      new Request(`${BASE_URL}/api/forms/submit`, {
+        method: "POST",
+        body: formData,
+      }),
+    );
+
+    expect(res.status).toBe(200);
+    const json = (await res.json()) as any;
+    expect(json.ok).toBe(true);
+
+    expect(inMemoryFormSubmissions.length).toBe(1);
+    const saved = inMemoryFormSubmissions[0] as any;
+    expect(saved.projectSlug).toBe("missing-project");
+    expect(saved.projectId ?? null).toBeNull();
+    expect(saved.userId ?? null).toBeNull();
+  });
+});
+
 });
diff --git a/tests/api/projects.spec.ts b/tests/api/projects.spec.ts
index 3d870b1..5585aa5 100644
--- a/tests/api/projects.spec.ts
+++ b/tests/api/projects.spec.ts
@@ -5,6 +5,7 @@ import { signAccessToken } from "@/features/auth/authCrypto";
 // PrismaClient를 실제 DB 대신 메모리 기반 저장소를 사용하는 목으로 대체한다.
 // 이렇게 하면 CI/로컬 어디에서도 DATABASE_URL 이나 실제 DB 없이 API 테스트를 실행할 수 있다.
 const inMemoryProjects: any[] = [];
+const inMemoryFormSubmissions: any[] = [];
 
 vi.mock("@prisma/client", () => {
   class PrismaClientMock {
@@ -24,6 +25,23 @@ vi.mock("@prisma/client", () => {
       findUnique: async ({ where: { slug } }: any) => {
         return inMemoryProjects.find((p) => p.slug === slug) ?? null;
       },
+      update: async ({ where: { slug }, data }: any) => {
+        const index = inMemoryProjects.findIndex((p) => p.slug === slug);
+        if (index === -1) {
+          const error: any = new Error("Project not found");
+          error.code = "P2025";
+          throw error;
+        }
+
+        const existing = inMemoryProjects[index];
+        const updated = {
+          ...existing,
+          ...data,
+          updatedAt: new Date(),
+        };
+        inMemoryProjects[index] = updated;
+        return updated;
+      },
       upsert: async ({ where: { slug }, update, create }: any) => {
         const index = inMemoryProjects.findIndex((p) => p.slug === slug);
         if (index >= 0) {
@@ -89,6 +107,35 @@ vi.mock("@prisma/client", () => {
         return items;
       },
     };
+
+    formSubmission = {
+      findMany: async ({ where, select }: any = {}) => {
+        let items = [...inMemoryFormSubmissions];
+
+        if (where?.userId) {
+          items = items.filter((s) => s.userId === where.userId);
+        }
+
+        if (where?.projectId?.in && Array.isArray(where.projectId.in)) {
+          const ids: string[] = where.projectId.in;
+          items = items.filter((s) => s.projectId && ids.includes(s.projectId));
+        }
+
+        if (select) {
+          return items.map((s) => {
+            const picked: any = {};
+            for (const key of Object.keys(select)) {
+              if (select[key]) {
+                picked[key] = s[key];
+              }
+            }
+            return picked;
+          });
+        }
+
+        return items;
+      },
+    };
   }
 
   return { PrismaClient: PrismaClientMock };
@@ -111,6 +158,7 @@ async function buildAuthHeaders() {
 beforeEach(() => {
   process.env.AUTH_JWT_SECRET = "test-jwt-secret-projects";
   inMemoryProjects.length = 0;
+  inMemoryFormSubmissions.length = 0;
 });
 
 describe("/api/projects", () => {
@@ -161,7 +209,15 @@ describe("/api/projects", () => {
     expect(getResponse.status).toBe(200);
     const fetched = (await getResponse.json()) as any;
     expect(fetched.slug).toBe(payload.slug);
-    expect(fetched.contentJson).toEqual(payload.contentJson);
+    // contentJson 은 배열 또는 { blocks, projectConfig } 스냅샷으로 저장될 수 있다.
+    const rawContent = fetched.contentJson;
+    if (Array.isArray(rawContent)) {
+      expect(rawContent).toEqual(payload.contentJson);
+    } else if (rawContent && typeof rawContent === "object" && Array.isArray(rawContent.blocks)) {
+      expect(rawContent.blocks).toEqual(payload.contentJson);
+    } else {
+      throw new Error("unexpected contentJson shape from /api/projects/[slug]");
+    }
   });
 
   it("GET /api/projects 는 최근 생성 순으로 프로젝트 목록을 반환해야 한다", async () => {
@@ -365,6 +421,126 @@ describe("/api/projects", () => {
     expect(slugsB).not.toContain(slugA);
   });
 
+  it("GET /api/projects 는 각 프로젝트별 오늘/전체 제출 수를 함께 반환해야 한다", async () => {
+    const { GET: listProjects } = await import("@/app/api/projects/route");
+
+    const now = new Date();
+    const yesterday = new Date(now.getTime() - 24 * 60 * 60 * 1000);
+
+    const projectA = {
+      id: "proj-a",
+      userId: TEST_USER.id,
+      title: "프로젝트 A",
+      slug: "project-a",
+      status: "PUBLISHED",
+      createdAt: now,
+      updatedAt: now,
+    };
+
+    const projectB = {
+      id: "proj-b",
+      userId: TEST_USER.id,
+      title: "프로젝트 B",
+      slug: "project-b",
+      status: "PUBLISHED",
+      createdAt: now,
+      updatedAt: now,
+    };
+
+    const projectOther = {
+      id: "proj-other",
+      userId: OTHER_USER.id,
+      title: "다른 유저 프로젝트",
+      slug: "other-project",
+      status: "PUBLISHED",
+      createdAt: now,
+      updatedAt: now,
+    };
+
+    inMemoryProjects.push(projectA, projectB, projectOther);
+
+    inMemoryFormSubmissions.push(
+      // 프로젝트 A: 오늘 1건, 어제 1건 (총 2건)
+      {
+        id: "sub-1",
+        projectId: projectA.id,
+        projectSlug: projectA.slug,
+        userId: TEST_USER.id,
+        createdAt: now,
+        payloadJson: {},
+        sensitiveEnc: undefined,
+        metaJson: null,
+      },
+      {
+        id: "sub-2",
+        projectId: projectA.id,
+        projectSlug: projectA.slug,
+        userId: TEST_USER.id,
+        createdAt: yesterday,
+        payloadJson: {},
+        sensitiveEnc: undefined,
+        metaJson: null,
+      },
+      // 프로젝트 B: 오늘 2건
+      {
+        id: "sub-3",
+        projectId: projectB.id,
+        projectSlug: projectB.slug,
+        userId: TEST_USER.id,
+        createdAt: now,
+        payloadJson: {},
+        sensitiveEnc: undefined,
+        metaJson: null,
+      },
+      {
+        id: "sub-4",
+        projectId: projectB.id,
+        projectSlug: projectB.slug,
+        userId: TEST_USER.id,
+        createdAt: now,
+        payloadJson: {},
+        sensitiveEnc: undefined,
+        metaJson: null,
+      },
+      // 다른 유저 프로젝트 제출: 집계에 포함되면 안 된다.
+      {
+        id: "sub-5",
+        projectId: projectOther.id,
+        projectSlug: projectOther.slug,
+        userId: OTHER_USER.id,
+        createdAt: now,
+        payloadJson: {},
+        sensitiveEnc: undefined,
+        metaJson: null,
+      },
+    );
+
+    const headers = await buildAuthHeadersFor(TEST_USER);
+
+    const res = await listProjects(
+      new Request(`${BASE_URL}/api/projects`, {
+        headers,
+      }),
+    );
+
+    expect(res.status).toBe(200);
+    const list = (await res.json()) as any[];
+
+    const a = list.find((p) => p.slug === projectA.slug);
+    const b = list.find((p) => p.slug === projectB.slug);
+    const other = list.find((p) => p.slug === projectOther.slug);
+
+    expect(a).toBeTruthy();
+    expect(b).toBeTruthy();
+    expect(other).toBeUndefined();
+
+    expect(a.todaySubmissions).toBe(1);
+    expect(a.totalSubmissions).toBe(2);
+
+    expect(b.todaySubmissions).toBe(2);
+    expect(b.totalSubmissions).toBe(2);
+  });
+
   it("다른 유저가 이미 소유한 slug 로 POST 하면 409 를 반환해야 한다", async () => {
     const { POST: handleProject } = await import("@/app/api/projects/route");
 
@@ -404,6 +580,46 @@ describe("/api/projects", () => {
 
     expect(secondRes.status).toBe(409);
   });
+
+  it("PATCH /api/projects/[slug] 로 프로젝트 status 를 변경할 수 있어야 한다", async () => {
+    const { POST: createProject } = await import("@/app/api/projects/route");
+    const { PATCH: updateProjectStatus } = await import("@/app/api/projects/[slug]/route");
+
+    const slug = "status-change-slug";
+
+    const payload = {
+      title: "상태 변경 프로젝트",
+      slug,
+      contentJson: [],
+    };
+
+    const headers = await buildAuthHeaders();
+
+    const createRes = await createProject(
+      new Request(`${BASE_URL}/api/projects`, {
+        method: "POST",
+        headers: { "Content-Type": "application/json", ...headers },
+        body: JSON.stringify(payload),
+      }),
+    );
+    expect(createRes.status).toBe(201);
+
+    const patchBody = { status: "PUBLISHED" };
+
+    const patchRes = await updateProjectStatus(
+      new Request(`${BASE_URL}/api/projects/${slug}`, {
+        method: "PATCH",
+        headers: { "Content-Type": "application/json", ...headers },
+        body: JSON.stringify(patchBody),
+      }),
+      { params: { slug } } as any,
+    );
+
+    expect(patchRes.status).toBe(200);
+    const updated = (await patchRes.json()) as any;
+    expect(updated.slug).toBe(slug);
+    expect(updated.status).toBe("PUBLISHED");
+  });
   
   it("GET /api/projects/[slug] 는 소유자가 아닌 유저에게 404 를 반환해야 한다", async () => {
     const { POST: handleProject } = await import("@/app/api/projects/route");
diff --git a/tests/e2e/project-status-public-page.spec.ts b/tests/e2e/project-status-public-page.spec.ts
new file mode 100644
index 0000000..e3c9856
--- /dev/null
+++ b/tests/e2e/project-status-public-page.spec.ts
@@ -0,0 +1,243 @@
+import { test, expect } from "@playwright/test";
+
+async function signupAndGetAccessToken(
+  request: import("@playwright/test").APIRequestContext,
+  email: string,
+  password: string,
+): Promise<string> {
+  const signupRes = await request.post("/api/auth/signup", {
+    headers: { "Content-Type": "application/json" },
+    data: { email, password },
+  });
+
+  const signupStatus = signupRes.status();
+  if (signupStatus !== 201) {
+    // 디버깅용: CI 등에서 500 이 떨어질 때 응답 바디를 함께 로그로 출력해 원인을 파악할 수 있게 한다.
+    console.log("[project-status-public-page] signup error status=", signupStatus);
+    try {
+      const bodyText = await signupRes.text();
+      console.log("[project-status-public-page] signup error body=", bodyText);
+    } catch (e) {
+      console.log("[project-status-public-page] signup error: body read failed", e);
+    }
+  }
+
+  expect(signupStatus).toBe(201);
+
+  const setCookieHeader = signupRes.headers()["set-cookie"];
+  expect(setCookieHeader).toBeTruthy();
+
+  const cookieHeaderString = Array.isArray(setCookieHeader)
+    ? setCookieHeader.join("; ")
+    : (setCookieHeader as string);
+
+  const match = cookieHeaderString.match(/pb_access=([^;]+)/);
+  expect(match).not.toBeNull();
+
+  const accessToken = match![1];
+  return accessToken;
+}
+
+async function createProject(
+  request: import("@playwright/test").APIRequestContext,
+  accessToken: string,
+  params: { slug: string; title: string; contentJson?: any },
+) {
+  const { slug, title, contentJson = [] } = params;
+
+  const res = await request.post("/api/projects", {
+    headers: {
+      "Content-Type": "application/json",
+      Cookie: `pb_access=${accessToken}`,
+    },
+    data: {
+      title,
+      slug,
+      contentJson,
+    },
+  });
+
+  const status = res.status();
+  if (status !== 201) {
+    console.log("[project-status-public-page] createProject error status=", status);
+    try {
+      const bodyText = await res.text();
+      console.log("[project-status-public-page] createProject error body=", bodyText);
+    } catch (e) {
+      console.log("[project-status-public-page] createProject error: body read failed", e);
+    }
+  }
+
+  expect(status).toBe(201);
+}
+
+async function patchProjectStatus(
+  request: import("@playwright/test").APIRequestContext,
+  accessToken: string,
+  slug: string,
+  status: "DRAFT" | "PUBLISHED" | "ARCHIVED",
+) {
+  const res = await request.patch(`/api/projects/${slug}`, {
+    headers: {
+      "Content-Type": "application/json",
+      Cookie: `pb_access=${accessToken}`,
+    },
+    data: { status },
+  });
+
+  const code = res.status();
+  if (code !== 200) {
+    console.log("[project-status-public-page] patchProjectStatus error status=", code);
+    try {
+      const bodyText = await res.text();
+      console.log("[project-status-public-page] patchProjectStatus error body=", bodyText);
+    } catch (e) {
+      console.log("[project-status-public-page] patchProjectStatus error: body read failed", e);
+    }
+  }
+
+  expect(code).toBe(200);
+}
+
+// 프로젝트 status 에 따른 퍼블릭 페이지(/p/[slug]) 기본 동작을 검증하는 E2E.
+// - DRAFT: 404
+// - PUBLISHED: 200
+
+test.describe("Public project status behaviour", () => {
+  test("DRAFT 프로젝트는 퍼블릭 페이지에서 404 를 반환해야 한다", async ({ page, request }) => {
+    const now = Date.now();
+    const email = `status-draft-${now}@example.com`;
+    const password = "status-draft-password";
+    const slug = `status-draft-${now}`;
+
+    const accessToken = await signupAndGetAccessToken(request, email, password);
+
+    await createProject(request, accessToken, {
+      slug,
+      title: "Status DRAFT project",
+      contentJson: [],
+    });
+
+    const response = await page.goto(`/p/${slug}`);
+    expect(response?.status()).toBe(404);
+  });
+
+  test("PUBLISHED 프로젝트는 퍼블릭 페이지에서 200 으로 열려야 한다", async ({ page, request }) => {
+    const now = Date.now();
+    const email = `status-published-${now}@example.com`;
+    const password = "status-published-password";
+    const slug = `status-published-${now}`;
+
+    const accessToken = await signupAndGetAccessToken(request, email, password);
+
+    await createProject(request, accessToken, {
+      slug,
+      title: "Status PUBLISHED project",
+      contentJson: [],
+    });
+
+    await patchProjectStatus(request, accessToken, slug, "PUBLISHED");
+
+    const response = await page.goto(`/p/${slug}`);
+    expect(response?.status()).toBe(200);
+  });
+
+  test("ARCHIVED 프로젝트는 퍼블릭 페이지에서 폼은 보이지만 제출이 차단되어야 한다", async ({ page, request }) => {
+    const now = Date.now();
+    const email = `status-archived-${now}@example.com`;
+    const password = "status-archived-password";
+    const slug = `status-archived-${now}`;
+
+    const accessToken = await signupAndGetAccessToken(request, email, password);
+
+    const inputId = "field_name";
+    const buttonId = "submit_btn";
+    const formId = "form_controller_1";
+    const disabledMessage = "Submission is disabled for this project.";
+
+    const contentJson = [
+      {
+        id: inputId,
+        type: "formInput",
+        props: {
+          formFieldName: "name",
+          label: "Name",
+          inputType: "text",
+          labelDisplay: "visible",
+          align: "left",
+          widthMode: "full",
+          paddingX: 0,
+          paddingY: 0,
+          borderRadius: "md",
+        },
+        sectionId: null,
+        columnId: null,
+      },
+      {
+        id: buttonId,
+        type: "button",
+        props: {
+          label: "Submit",
+          href: "#",
+          align: "left",
+          size: "md",
+          variant: "solid",
+          colorPalette: "primary",
+          borderRadius: "md",
+        },
+        sectionId: null,
+        columnId: null,
+      },
+      {
+        id: formId,
+        type: "form",
+        props: {
+          kind: "contact",
+          submitTarget: "internal",
+          successMessage: "Submitted successfully.",
+          errorMessage: disabledMessage,
+          payloadFormat: "form",
+          fieldIds: [inputId],
+          requiredFieldIds: [inputId],
+          submitButtonId: buttonId,
+          formWidthMode: "auto",
+        },
+        sectionId: null,
+        columnId: null,
+      },
+    ];
+
+    await createProject(request, accessToken, {
+      slug,
+      title: "Status ARCHIVED project",
+      contentJson,
+    });
+
+    await patchProjectStatus(request, accessToken, slug, "ARCHIVED");
+
+    const submitRequests: string[] = [];
+    page.on("request", (req) => {
+      const url = req.url();
+      if (url.includes("/api/forms/submit")) {
+        submitRequests.push(url);
+      }
+    });
+
+    const response = await page.goto(`/p/${slug}`);
+    expect(response?.status()).toBe(200);
+
+    const input = page.locator("input.pb-input").first();
+    await input.waitFor();
+
+    // 퍼블릭 페이지 클라이언트 스크립트가 폼 submit 이벤트를 후킹해 data-pb-initialized 속성을 설정할 때까지 기다린다.
+    // 이 폼은 hidden 일 수 있으므로, DOM 에만 붙어 있으면 되도록 state 는 attached 로 제한한다.
+    await page.waitForSelector('form[data-pb-initialized="1"]', { state: "attached" });
+
+    await input.fill("Archived user");
+
+    await page.getByRole("button", { name: "Submit" }).click();
+
+    await expect(page.getByText(disabledMessage)).toBeVisible();
+    expect(submitRequests.length).toBe(0);
+  });
+});
diff --git a/tests/e2e/public-seo.spec.ts b/tests/e2e/public-seo.spec.ts
new file mode 100644
index 0000000..efd7864
--- /dev/null
+++ b/tests/e2e/public-seo.spec.ts
@@ -0,0 +1,231 @@
+import { test, expect } from "@playwright/test";
+
+async function signupAndGetAccessToken(
+  request: import("@playwright/test").APIRequestContext,
+  email: string,
+  password: string,
+): Promise<string> {
+  const signupRes = await request.post("/api/auth/signup", {
+    headers: { "Content-Type": "application/json" },
+    data: { email, password },
+  });
+
+  const signupStatus = signupRes.status();
+  if (signupStatus !== 201) {
+    // 디버깅용: CI 등에서 500 이 떨어질 때 응답 바디를 함께 로그로 출력해 원인을 파악할 수 있게 한다.
+    console.log("[public-seo] signup error status=", signupStatus);
+    try {
+      const bodyText = await signupRes.text();
+      console.log("[public-seo] signup error body=", bodyText);
+    } catch (e) {
+      console.log("[public-seo] signup error: body read failed", e);
+    }
+  }
+
+  expect(signupStatus).toBe(201);
+
+  const setCookieHeader = signupRes.headers()["set-cookie"];
+  expect(setCookieHeader).toBeTruthy();
+
+  const cookieHeaderString = Array.isArray(setCookieHeader)
+    ? setCookieHeader.join("; ")
+    : (setCookieHeader as string);
+
+  const match = cookieHeaderString.match(/pb_access=([^;]+)/);
+  expect(match).not.toBeNull();
+
+  const accessToken = match![1];
+  return accessToken;
+}
+
+async function createProjectWithSnapshot(
+  request: import("@playwright/test").APIRequestContext,
+  accessToken: string,
+  params: { slug: string; title: string; projectConfig: any },
+) {
+  const { slug, title, projectConfig } = params;
+
+  const res = await request.post("/api/projects", {
+    headers: {
+      "Content-Type": "application/json",
+      Cookie: `pb_access=${accessToken}`,
+    },
+    data: {
+      title,
+      slug,
+      // 새 스펙: contentJson 은 blocks + projectConfig 스냅샷으로 보낸다.
+      contentJson: {
+        blocks: [],
+        projectConfig,
+      },
+    },
+  });
+
+  const status = res.status();
+  if (status !== 201) {
+    console.log("[public-seo] createProject error status=", status);
+    try {
+      const bodyText = await res.text();
+      console.log("[public-seo] createProject error body=", bodyText);
+    } catch (e) {
+      console.log("[public-seo] createProject error: body read failed", e);
+    }
+  }
+
+  expect(status).toBe(201);
+}
+
+async function patchProjectStatus(
+  request: import("@playwright/test").APIRequestContext,
+  accessToken: string,
+  slug: string,
+  status: "DRAFT" | "PUBLISHED" | "ARCHIVED",
+) {
+  const res = await request.patch(`/api/projects/${slug}`, {
+    headers: {
+      "Content-Type": "application/json",
+      Cookie: `pb_access=${accessToken}`,
+    },
+    data: { status },
+  });
+
+  const code = res.status();
+  if (code !== 200) {
+    console.log("[public-seo] patchProjectStatus error status=", code);
+    try {
+      const bodyText = await res.text();
+      console.log("[public-seo] patchProjectStatus error body=", bodyText);
+    } catch (e) {
+      console.log("[public-seo] patchProjectStatus error: body read failed", e);
+    }
+  }
+
+  expect(code).toBe(200);
+}
+
+// 퍼블릭 페이지(/p/[slug])에서 프로젝트 SEO 설정이 실제 <title>/메타 태그/스크립트에 반영되는지 검증하는 E2E.
+// - seoTitle/seoDescription/seoCanonicalUrl/seoOgImageUrl → title 및 OG/Twitter 메타
+// - seoNoIndex=true → <meta name="robots" content="noindex, nofollow"> 존재
+// - seoCanonicalUrl 은 canonical <link> 가 아니라 og:url 로만 노출되어야 한다.
+// - headHtml 은 <head> 에 그대로 삽입되고, trackingScript 는 <body> 에 삽입/실행되어야 한다.
+
+test.describe("Public SEO metadata", () => {
+  test("PUBLISHED 프로젝트의 SEO 설정이 <title> 및 메타 태그에 반영되어야 한다", async ({ page, request }) => {
+    const now = Date.now();
+    const email = `public-seo-${now}@example.com`;
+    const password = "public-seo-password";
+    const slug = `public-seo-${now}`;
+
+    const accessToken = await signupAndGetAccessToken(request, email, password);
+
+    const seoTitle = "SEO 타이틀 - My landing";
+    const seoDescription = "SEO 설명입니다.";
+    const seoUrl = `https://example.com/${slug}`;
+    const seoImage = "https://example.com/og-image.png";
+
+    const projectConfig = {
+      title: "에디터 타이틀",
+      slug,
+      canvasPreset: "full",
+      canvasBgColorHex: "#020617",
+      bodyBgColorHex: "#020617",
+      seoTitle,
+      seoDescription,
+      seoCanonicalUrl: seoUrl,
+      seoOgImageUrl: seoImage,
+      seoNoIndex: false,
+      headHtml: '<meta name="x-public-head" content="public-seo-test" />',
+      trackingScript: "<script>window.__pbPublicSeoTracking = 'ok';</script>",
+    };
+
+    await createProjectWithSnapshot(request, accessToken, {
+      slug,
+      title: projectConfig.title,
+      projectConfig,
+    });
+
+    await patchProjectStatus(request, accessToken, slug, "PUBLISHED");
+
+    const response = await page.goto(`/p/${slug}`);
+    expect(response?.status()).toBe(200);
+
+    // 1) <title>
+    await expect(page).toHaveTitle(seoTitle);
+
+    // 2) 기본/OG/Twitter 메타 태그
+    const metaDesc = page.locator('meta[name="description"]');
+    await expect(metaDesc).toHaveAttribute("content", seoDescription);
+
+    const ogTitle = page.locator('meta[property="og:title"]');
+    await expect(ogTitle).toHaveAttribute("content", seoTitle);
+
+    const ogDesc = page.locator('meta[property="og:description"]');
+    await expect(ogDesc).toHaveAttribute("content", seoDescription);
+
+    const ogUrl = page.locator('meta[property="og:url"]');
+    await expect(ogUrl).toHaveAttribute("content", seoUrl);
+
+    const ogImage = page.locator('meta[property="og:image"]');
+    await expect(ogImage).toHaveAttribute("content", seoImage);
+
+    const twitterTitle = page.locator('meta[name="twitter:title"]');
+    await expect(twitterTitle).toHaveAttribute("content", seoTitle);
+
+    // 3) seoNoIndex=false 인 경우 robots 메타는 없어야 한다.
+    const robots = page.locator('meta[name="robots"]');
+    await expect(robots).toHaveCount(0);
+
+    // 4) canonical <link> 는 생성되지 않아야 한다.
+    const canonicalLink = page.locator('link[rel="canonical"]');
+    await expect(canonicalLink).toHaveCount(0);
+
+    // 5) headHtml 스니펫이 <head> 에 삽입되어야 한다.
+    const customHeadMeta = page.locator('meta[name="x-public-head"]');
+    await expect(customHeadMeta).toHaveAttribute("content", "public-seo-test");
+
+    // 6) trackingScript 가 <body> 에 삽입 및 실행되어 window 플래그를 남겨야 한다.
+    const trackingValue = await page.evaluate(() => (window as any).__pbPublicSeoTracking ?? null);
+    expect(trackingValue).toBe("ok");
+  });
+
+  test("seoNoIndex=true 인 PUBLISHED 프로젝트는 robots noindex 메타 태그를 포함해야 한다", async ({ page, request }) => {
+    const now = Date.now();
+    const email = `public-seo-noindex-${now}@example.com`;
+    const password = "public-seo-noindex-password";
+    const slug = `public-seo-noindex-${now}`;
+
+    const accessToken = await signupAndGetAccessToken(request, email, password);
+
+    const seoTitle = "Noindex SEO 타이틀";
+    const seoDescription = "Noindex SEO 설명입니다.";
+
+    const projectConfig = {
+      title: "Noindex 프로젝트",
+      slug,
+      canvasPreset: "full",
+      canvasBgColorHex: "#020617",
+      bodyBgColorHex: "#020617",
+      seoTitle,
+      seoDescription,
+      seoCanonicalUrl: "",
+      seoOgImageUrl: "",
+      seoNoIndex: true,
+    };
+
+    await createProjectWithSnapshot(request, accessToken, {
+      slug,
+      title: projectConfig.title,
+      projectConfig,
+    });
+
+    await patchProjectStatus(request, accessToken, slug, "PUBLISHED");
+
+    const response = await page.goto(`/p/${slug}`);
+    expect(response?.status()).toBe(200);
+
+    await expect(page).toHaveTitle(seoTitle);
+
+    const robots = page.locator('meta[name="robots"]');
+    await expect(robots).toHaveAttribute("content", /noindex/);
+  });
+});
diff --git a/tests/unit/EditorProjectSaveLoad.spec.tsx b/tests/unit/EditorProjectSaveLoad.spec.tsx
index 89b4c26..1d91568 100644
--- a/tests/unit/EditorProjectSaveLoad.spec.tsx
+++ b/tests/unit/EditorProjectSaveLoad.spec.tsx
@@ -166,8 +166,13 @@ describe("EditorPage - 프로젝트 저장/불러오기", () => {
 
     const parsed = JSON.parse(raw as string);
     expect(parsed.title).toBe("저장 테스트 프로젝트");
-    expect(Array.isArray(parsed.contentJson)).toBe(true);
-    expect(parsed.contentJson[0].id).toBe("blk_1");
+    // contentJson 은 이제 { blocks, projectConfig } 스냅샷 객체로 저장된다.
+    expect(parsed.contentJson).toBeTruthy();
+    expect(Array.isArray(parsed.contentJson.blocks)).toBe(true);
+    expect(parsed.contentJson.blocks[0].id).toBe("blk_1");
+    expect(parsed.contentJson.projectConfig).toBeTruthy();
+    expect(parsed.contentJson.projectConfig.title).toBe("저장 테스트 프로젝트");
+    expect(parsed.contentJson.projectConfig.slug).toBe("save-test-slug");
 
     const projectCall = fetchMock.mock.calls.find(
       ([url, options]: any[]) => url === "/api/projects" && options?.method === "POST",
@@ -181,8 +186,13 @@ describe("EditorPage - 프로젝트 저장/불러오기", () => {
     const body = JSON.parse(options.body);
     expect(body.slug).toBe("save-test-slug");
     expect(body.title).toBe("저장 테스트 프로젝트");
-    expect(Array.isArray(body.contentJson)).toBe(true);
-    expect(body.contentJson[0].id).toBe("blk_1");
+    // 서버로 전송되는 contentJson 도 { blocks, projectConfig } 스냅샷이어야 한다.
+    expect(body.contentJson).toBeTruthy();
+    expect(Array.isArray(body.contentJson.blocks)).toBe(true);
+    expect(body.contentJson.blocks[0].id).toBe("blk_1");
+    expect(body.contentJson.projectConfig).toBeTruthy();
+    expect(body.contentJson.projectConfig.title).toBe("저장 테스트 프로젝트");
+    expect(body.contentJson.projectConfig.slug).toBe("save-test-slug");
 
     const message = await screen.findByText("Project saved: save-test-slug");
     expect(message).toBeTruthy();
@@ -257,7 +267,15 @@ describe("EditorPage - 프로젝트 저장/불러오기", () => {
       localKey,
       JSON.stringify({
         title: "로컬 프로젝트",
-        contentJson: savedBlocks,
+        // 새 스펙: contentJson 은 blocks 와 projectConfig 를 함께 가지는 스냅샷 객체다.
+        contentJson: {
+          blocks: savedBlocks,
+          projectConfig: {
+            title: "로컬 프로젝트",
+            slug,
+            canvasPreset: "full",
+          } as ProjectConfig,
+        },
       }),
     );
 
@@ -319,7 +337,19 @@ describe("EditorPage - 프로젝트 저장/불러오기", () => {
     const fetchMock = vi.fn().mockResolvedValue({
       ok: true,
       status: 200,
-      json: async () => ({ slug, title: "서버 프로젝트", contentJson: serverBlocks }),
+      // 서버에서도 contentJson 은 { blocks, projectConfig } 형태로 반환된다고 가정한다.
+      json: async () => ({
+        slug,
+        title: "서버 프로젝트",
+        contentJson: {
+          blocks: serverBlocks,
+          projectConfig: {
+            title: "서버 프로젝트",
+            slug,
+            canvasPreset: "full",
+          } as ProjectConfig,
+        },
+      }),
     } as any);
 
     vi.stubGlobal("fetch", fetchMock);
@@ -366,7 +396,7 @@ describe("EditorPage - 프로젝트 저장/불러오기", () => {
     expect(message).toBeTruthy();
   });
 
-	it("서버에서 복잡한 프로젝트 contentJson 을 불러오면 모든 블록 속성과 스타일이 그대로 복원되어야 한다", async () => {
+	it("서버에서 복잡한 프로젝트 contentJson 스냅샷을 불러오면 모든 블록 속성과 스타일이 그대로 복원되어야 한다", async () => {
 	  const slug = "roundtrip-slug";
 
 	  const complexBlocks: Block[] = [
@@ -454,7 +484,18 @@ describe("EditorPage - 프로젝트 저장/불러오기", () => {
 	    if (url === `/api/projects/${slug}` && method === "GET") {
 	      return Promise.resolve(
 	        new Response(
-	          JSON.stringify({ slug, title: "복잡한 프로젝트", contentJson: complexBlocks }),
+	          JSON.stringify({
+	            slug,
+	            title: "복잡한 프로젝트",
+	            contentJson: {
+	              blocks: complexBlocks,
+	              projectConfig: {
+	                title: "복잡한 프로젝트",
+	                slug,
+	                canvasPreset: "full",
+	              } as ProjectConfig,
+	            },
+	          }),
 	          {
 	            status: 200,
 	            headers: { "Content-Type": "application/json" },
@@ -576,7 +617,18 @@ describe("EditorPage - 프로젝트 저장/불러오기", () => {
 	    if (url === `/api/projects/${slug}` && method === "GET") {
 	      return Promise.resolve(
 	        new Response(
-	          JSON.stringify({ slug, title: "쿼리 로드 프로젝트", contentJson: serverBlocks }),
+	          JSON.stringify({
+	            slug,
+	            title: "쿼리 로드 프로젝트",
+	            contentJson: {
+	              blocks: serverBlocks,
+	              projectConfig: {
+	                title: "쿼리 로드 프로젝트",
+	                slug,
+	                canvasPreset: "full",
+	              } as ProjectConfig,
+	            },
+	          }),
 	          {
 	            status: 200,
 	            headers: { "Content-Type": "application/json" },
diff --git a/tests/unit/ProjectPropertiesPanel.seo.spec.tsx b/tests/unit/ProjectPropertiesPanel.seo.spec.tsx
index 1d7457c..45d2c4d 100644
--- a/tests/unit/ProjectPropertiesPanel.seo.spec.tsx
+++ b/tests/unit/ProjectPropertiesPanel.seo.spec.tsx
@@ -72,10 +72,10 @@ describe("ProjectPropertiesPanel SEO 메타", () => {
     });
   });
 
-  it("Canonical URL 입력을 변경하면 seoCanonicalUrl 이 updateProjectConfig 로 전달되어야 한다", () => {
+  it("공유 URL(og:url) 입력을 변경하면 seoCanonicalUrl 이 updateProjectConfig 로 전달되어야 한다", () => {
     render(<ProjectPropertiesPanel />);
 
-    const input = screen.getByLabelText("Canonical URL") as HTMLInputElement;
+    const input = screen.getByLabelText("Share URL (og:url)") as HTMLInputElement;
 
     fireEvent.change(input, { target: { value: "https://example.com/landing" } });
 
diff --git a/tests/unit/ProjectsPage.spec.tsx b/tests/unit/ProjectsPage.spec.tsx
index 1725f68..aaa242a 100644
--- a/tests/unit/ProjectsPage.spec.tsx
+++ b/tests/unit/ProjectsPage.spec.tsx
@@ -56,7 +56,7 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     render(<ProjectsPage />);
 
     await waitFor(() => {
-      expect(fetchMock).toHaveBeenCalledTimes(1);
+      expect(fetchMock).toHaveBeenCalled();
     });
 
     const [url, options] = fetchMock.mock.calls[0] as any;
@@ -104,7 +104,7 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     render(<ProjectsPage />);
 
     await waitFor(() => {
-      expect(fetchMock).toHaveBeenCalledTimes(1);
+      expect(fetchMock).toHaveBeenCalled();
     });
 
     const link = screen.getByText("All submissions");
@@ -136,7 +136,7 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     render(<ProjectsPage />);
 
     await waitFor(() => {
-      expect(fetchMock).toHaveBeenCalledTimes(1);
+      expect(fetchMock).toHaveBeenCalled();
     });
 
     const link = screen.getByText("Dashboard");
@@ -168,7 +168,7 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     render(<ProjectsPage />);
 
     await waitFor(() => {
-      expect(fetchMock).toHaveBeenCalledTimes(1);
+      expect(fetchMock).toHaveBeenCalled();
     });
 
     const titleCellNode = await screen.findByText("테스트 프로젝트 A");
@@ -212,7 +212,7 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     render(<ProjectsPage />);
 
     await waitFor(() => {
-      expect(fetchMock).toHaveBeenCalledTimes(1);
+      expect(fetchMock).toHaveBeenCalled();
     });
 
     const toolbar = await screen.findByTestId("projects-toolbar");
@@ -276,7 +276,7 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     render(<ProjectsPage />);
 
     await waitFor(() => {
-      expect(fetchMock).toHaveBeenCalledTimes(1);
+      expect(fetchMock).toHaveBeenCalled();
     });
 
     const dashboardLink = await screen.findByRole("link", { name: "Dashboard" });
@@ -314,7 +314,7 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     render(<ProjectsPage />);
 
     await waitFor(() => {
-      expect(fetchMock).toHaveBeenCalledTimes(1);
+      expect(fetchMock).toHaveBeenCalled();
     });
 
     const html = document.documentElement;
@@ -377,6 +377,60 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     );
   });
 
+  it("프로젝트 행의 퍼블릭 페이지 링크는 새 탭에서 열려야 한다", async () => {
+    const projects = [
+      {
+        id: "1",
+        title: "테스트 프로젝트 A",
+        slug: "test-project-a",
+        status: "PUBLISHED",
+        createdAt: "2025-01-01T00:00:00.000Z",
+        updatedAt: "2025-01-01T00:00:00.000Z",
+      },
+    ];
+
+    const fetchMock = vi.fn().mockImplementation((input: any, init?: any) => {
+      const url = typeof input === "string" ? input : input.url;
+      const method = init?.method ?? "GET";
+
+      if (url === "/api/projects" && method === "GET") {
+        return Promise.resolve(
+          new Response(JSON.stringify(projects), {
+            status: 200,
+            headers: { "Content-Type": "application/json" },
+          }),
+        );
+      }
+
+      if (url === "/api/auth/me" && method === "GET") {
+        return Promise.resolve(
+          new Response(JSON.stringify({ emailVerified: true }), {
+            status: 200,
+            headers: { "Content-Type": "application/json" },
+          }),
+        );
+      }
+
+      return Promise.resolve(new Response("not found", { status: 404 }));
+    });
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<ProjectsPage />);
+
+    expect(await screen.findByText("테스트 프로젝트 A")).toBeTruthy();
+
+    const publicLinkText = await screen.findByText("Open public page");
+    const anchor = publicLinkText.closest("a") as HTMLAnchorElement | null;
+    expect(anchor).not.toBeNull();
+    expect(anchor!.getAttribute("href")).toBe("/p/test-project-a");
+    expect(anchor!.getAttribute("target")).toBe("_blank");
+
+    const rel = anchor!.getAttribute("rel") ?? "";
+    expect(rel).toContain("noopener");
+    expect(rel).toContain("noreferrer");
+  });
+
   it("삭제 버튼 클릭 시 서버에 DELETE 요청을 보내고 목록과 로컬스토리지를 갱신해야 한다", async () => {
     const projects = [
       {
@@ -594,7 +648,7 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     render(<ProjectsPage />);
 
     await waitFor(() => {
-      expect(fetchMock).toHaveBeenCalledTimes(1);
+      expect(fetchMock).toHaveBeenCalled();
     });
 
     await waitFor(() => {
@@ -671,7 +725,7 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     render(<ProjectsPage />);
 
     await waitFor(() => {
-      expect(fetchMock).toHaveBeenCalledTimes(1);
+      expect(fetchMock).toHaveBeenCalled();
     });
 
     expect(
@@ -817,4 +871,247 @@ describe("ProjectsPage - 프로젝트 목록", () => {
 
     confirmSpy.mockRestore();
   });
+
+  it("상태 드롭다운에서 값을 변경하면 PATCH /api/projects/[slug] 가 호출되고 UI 가 갱신되어야 한다", async () => {
+    const projects = [
+      {
+        id: "1",
+        title: "테스트 프로젝트 A",
+        slug: "test-project-a",
+        status: "DRAFT",
+        createdAt: "2025-01-01T00:00:00.000Z",
+        updatedAt: "2025-01-01T00:00:00.000Z",
+      },
+    ];
+
+    const updatedProject = {
+      ...projects[0],
+      status: "PUBLISHED",
+      updatedAt: "2025-01-01T01:00:00.000Z",
+    };
+
+    const fetchMock = vi.fn().mockImplementation((input: any, init?: any) => {
+      const url = typeof input === "string" ? input : input.url;
+      const method = init?.method ?? "GET";
+
+      if (url === "/api/projects" && method === "GET") {
+        return Promise.resolve(
+          new Response(JSON.stringify(projects), {
+            status: 200,
+            headers: { "Content-Type": "application/json" },
+          }),
+        );
+      }
+
+      if (url === "/api/auth/me" && method === "GET") {
+        return Promise.resolve(
+          new Response(JSON.stringify({ emailVerified: true }), {
+            status: 200,
+            headers: { "Content-Type": "application/json" },
+          }),
+        );
+      }
+
+      if (url === "/api/projects/test-project-a" && method === "PATCH") {
+        return Promise.resolve(
+          new Response(JSON.stringify(updatedProject), {
+            status: 200,
+            headers: { "Content-Type": "application/json" },
+          }),
+        );
+      }
+
+      return Promise.resolve(new Response("not found", { status: 404 }));
+    });
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<ProjectsPage />);
+
+    expect(await screen.findByText("테스트 프로젝트 A")).toBeTruthy();
+
+    const statusSelect = screen.getByRole("combobox") as HTMLSelectElement;
+    expect(statusSelect.value).toBe("DRAFT");
+
+    fireEvent.change(statusSelect, { target: { value: "PUBLISHED" } });
+
+    await waitFor(() => {
+      const patchCall = fetchMock.mock.calls.find(([url, options]) => {
+        return url === "/api/projects/test-project-a" && options?.method === "PATCH";
+      });
+
+      expect(patchCall).toBeDefined();
+    });
+
+    await waitFor(() => {
+      const updatedSelect = screen.getByRole("combobox") as HTMLSelectElement;
+      expect(updatedSelect.value).toBe("PUBLISHED");
+    });
+  });
+
+  it("상태 컬럼 헤더에는 상태 설명을 보여주는 ? 아이콘이 i18n 텍스트로 렌더링되어야 한다", async () => {
+    const projects = [
+      {
+        id: "1",
+        title: "테스트 프로젝트 A",
+        slug: "test-project-a",
+        status: "DRAFT",
+        createdAt: "2025-01-01T00:00:00.000Z",
+        updatedAt: "2025-01-01T00:00:00.000Z",
+      },
+    ];
+
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify(projects), {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock);
+
+    render(<ProjectsPage />);
+
+    await waitFor(() => {
+      expect(fetchMock).toHaveBeenCalled();
+    });
+
+    const statusHeader = await screen.findByText("Status");
+    expect(statusHeader).toBeTruthy();
+
+    const helpButton = screen.getByLabelText("Project status help");
+    expect(helpButton).toBeTruthy();
+
+    // 초기에는 상태 설명 텍스트가 화면에 보이지 않아야 한다.
+    expect(
+      screen.queryByText(/Draft: Public page is blocked \(404\) and form submissions are not accepted\./),
+    ).toBeNull();
+
+    // ? 아이콘을 클릭하면 상태 설명 팝오버가 열려야 한다.
+    helpButton.click();
+
+    expect(
+      await screen.findByText(
+        /Draft: Public page is blocked \(404\) and form submissions are not accepted\./,
+      ),
+    ).toBeTruthy();
+    expect(
+      screen.getByText(/Published: Public page is live and form submissions are accepted\./),
+    ).toBeTruthy();
+    expect(
+      screen.getByText(/Archived: Public page is live but new form submissions are blocked\./),
+    ).toBeTruthy();
+  });
+
+  it("상태 드롭다운 옵션 텍스트는 i18n 상태 라벨을 사용해야 한다", async () => {
+    const projects = [
+      {
+        id: "1",
+        title: "테스트 프로젝트 A",
+        slug: "test-project-a",
+        status: "DRAFT",
+        createdAt: "2025-01-01T00:00:00.000Z",
+        updatedAt: "2025-01-01T00:00:00.000Z",
+      },
+    ];
+
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify(projects), {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock);
+
+    render(<ProjectsPage />);
+
+    await waitFor(() => {
+      expect(fetchMock).toHaveBeenCalled();
+    });
+
+    const select = screen.getByRole("combobox") as HTMLSelectElement;
+    const optionTexts = Array.from(select.options).map((opt) => opt.textContent || "");
+
+    expect(optionTexts).toContain("Draft (blocked)");
+    expect(optionTexts).toContain("Published (live)");
+    expect(optionTexts).toContain("Archived (read-only)");
+  });
+
+  it("프로젝트 목록 테이블에서 제출 내역 컬럼에 오늘/전체 제출 수를 [아이콘] today/total 형식으로 표시해야 한다", async () => {
+    const projects = [
+      {
+        id: "1",
+        title: "테스트 프로젝트 A",
+        slug: "test-project-a",
+        status: "PUBLISHED",
+        createdAt: "2025-01-01T00:00:00.000Z",
+        updatedAt: "2025-01-01T00:00:00.000Z",
+        todaySubmissions: 1,
+        totalSubmissions: 2,
+      },
+      {
+        id: "2",
+        title: "테스트 프로젝트 B",
+        slug: "test-project-b",
+        status: "PUBLISHED",
+        createdAt: "2025-01-02T00:00:00.000Z",
+        updatedAt: "2025-01-02T00:00:00.000Z",
+        todaySubmissions: 0,
+        totalSubmissions: 5,
+      },
+    ];
+
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify(projects), {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<ProjectsPage />);
+
+    const rowA = (await screen.findByText("테스트 프로젝트 A")).closest("tr") as HTMLElement | null;
+    const rowB = (await screen.findByText("테스트 프로젝트 B")).closest("tr") as HTMLElement | null;
+    expect(rowA).not.toBeNull();
+    expect(rowB).not.toBeNull();
+
+    expect(rowA!.textContent || "").toContain("1/2");
+    expect(rowB!.textContent || "").toContain("0/5");
+  });
+
+  it("제출 내역 컬럼 헤더 텍스트만으로 today/total 의미를 전달하고 별도 툴팁 아이콘은 없어야 한다", async () => {
+    const projects = [
+      {
+        id: "1",
+        title: "테스트 프로젝트 A",
+        slug: "test-project-a",
+        status: "PUBLISHED",
+        createdAt: "2025-01-01T00:00:00.000Z",
+        updatedAt: "2025-01-01T00:00:00.000Z",
+        todaySubmissions: 1,
+        totalSubmissions: 2,
+      },
+    ];
+
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify(projects), {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<ProjectsPage />);
+
+    // 헤더 텍스트 자체에 today/total 의미가 드러나야 한다.
+    const header = await screen.findByText("Submissions (today/total)");
+    expect(header).toBeTruthy();
+
+    // 별도의 제출 내역 툴팁 아이콘은 존재하지 않아야 한다.
+    expect(screen.queryByLabelText("Submission counts help")).toBeNull();
+  });
 });