diff --git a/src/app/api/__tests__/cases.test.ts b/src/app/api/__tests__/cases.test.ts
new file mode 100644
index 0000000..0b9f13c
--- /dev/null
+++ b/src/app/api/__tests__/cases.test.ts
@@ -0,0 +1,375 @@
+import { mkdtempSync, rmSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+
+const llmMocks = vi.hoisted(() => ({
+  generateValidatedJson: vi.fn(),
+}));
+
+vi.mock("../../../lib/llm/client", async () => {
+  const actual = await vi.importActual<typeof import("../../../lib/llm/client")>(
+    "../../../lib/llm/client",
+  );
+  return {
+    ...actual,
+    generateValidatedJson: llmMocks.generateValidatedJson,
+  };
+});
+
+import { createSqliteRepository } from "../../../lib/db/sqlite-repository";
+import { GET as listCases } from "../cases/route";
+import { GET as getCase, PATCH as patchCase } from "../cases/[caseId]/route";
+import { POST as archiveCase } from "../cases/[caseId]/archive/route";
+import { POST as restoreCase } from "../cases/[caseId]/restore/route";
+import { POST as rerunCase } from "../cases/[caseId]/rerun/route";
+import {
+  GET as listVersionPublications,
+  POST as createVersionPublication,
+} from "../cases/[caseId]/versions/[versionId]/publications/route";
+import { POST as recordPerformance } from "../publications/[publicationId]/performance/route";
+
+describe("case APIs", () => {
+  let tempDir: string;
+  const originalDataDir = process.env.APP_DATA_DIR;
+  const originalApiKey = process.env.API_ACCESS_KEY;
+  const originalAuthDisabled = process.env.API_AUTH_DISABLED;
+
+  beforeEach(() => {
+    tempDir = mkdtempSync(join(tmpdir(), "geo-cases-api-"));
+    process.env.APP_DATA_DIR = tempDir;
+    process.env.API_ACCESS_KEY = "test-key";
+    process.env.API_AUTH_DISABLED = "false";
+  });
+
+  afterEach(() => {
+    process.env.APP_DATA_DIR = originalDataDir;
+    process.env.API_ACCESS_KEY = originalApiKey;
+    process.env.API_AUTH_DISABLED = originalAuthDisabled;
+    llmMocks.generateValidatedJson.mockReset();
+    rmSync(tempDir, { recursive: true, force: true });
+  });
+
+  it("lists, reads, patches, archives, and restores cases", async () => {
+    const repository = createSqliteRepository();
+    const created = await repository.createOptimizationCase({
+      case_type: "human_copy",
+      title: "人味文案优化：朋友圈",
+      summary: "原文",
+      publish_target: "朋友圈",
+      source_excerpt: "原文",
+    });
+
+    const patchResponse = await patchCase(
+      request({
+        customer_name: "客户A",
+        brand_name: "品牌B",
+        project_tags: ["朋友圈"],
+        notes: "保留口语。",
+      }),
+      params({ caseId: created.id }),
+    );
+    expect(patchResponse.status).toBe(200);
+
+    const archiveResponse = await archiveCase(
+      request({}),
+      params({ caseId: created.id }),
+    );
+    expect(archiveResponse.status).toBe(200);
+
+    const listResponse = await listCases(request({}));
+    const listBody = (await listResponse.json()) as { cases: unknown[] };
+    expect(listBody.cases).toHaveLength(0);
+
+    const restoreResponse = await restoreCase(
+      request({}),
+      params({ caseId: created.id }),
+    );
+    expect(restoreResponse.status).toBe(200);
+
+    const detailResponse = await getCase(
+      request({}),
+      params({ caseId: created.id }),
+    );
+    const detailBody = (await detailResponse.json()) as {
+      case: { customer_name: string; project_tags: string[] };
+    };
+    expect(detailBody.case.customer_name).toBe("客户A");
+    expect(detailBody.case.project_tags).toEqual(["朋友圈"]);
+  });
+
+  it("creates publication records for result versions", async () => {
+    const repository = createSqliteRepository();
+    const created = await repository.createOptimizationCase({
+      case_type: "human_copy",
+      title: "人味文案优化：私域",
+      summary: "原文",
+      publish_target: "私域",
+      source_excerpt: "原文",
+    });
+    const version = await repository.createOptimizationResultVersion({
+      case_id: created.id,
+      case_type: "human_copy",
+      status: "optimized",
+      article_job_id: null,
+      article_revision: null,
+      result_summary: "优化后文案",
+      payload: {
+        optimized_text: "优化后文案",
+        change_notes: [],
+        ai_taste_checks: [],
+        warnings: [],
+      },
+      process_summary: [],
+      llm_audit_summary: [],
+      error_stage: null,
+      error_summary: null,
+    });
+
+    const createResponse = await createVersionPublication(
+      request({
+        publish_target: "私域",
+        url: "https://example.com/private",
+        published_at: "2026-07-08T12:00:00.000Z",
+        notes: "客户发布",
+      }),
+      params({ caseId: created.id, versionId: version.id }),
+    );
+    expect(createResponse.status).toBe(201);
+
+    const listResponse = await listVersionPublications(
+      request({}),
+      params({ caseId: created.id, versionId: version.id }),
+    );
+    const listBody = (await listResponse.json()) as {
+      publications: Array<{ publish_target: string }>;
+    };
+    expect(listBody.publications).toEqual([
+      expect.objectContaining({ publish_target: "私域" }),
+    ]);
+  });
+
+  it("records manual performance for a result-version publication without scoring", async () => {
+    const repository = createSqliteRepository();
+    const created = await repository.createOptimizationCase({
+      case_type: "human_copy",
+      title: "人味文案优化：私域",
+      summary: "原文",
+      publish_target: "私域",
+      source_excerpt: "原文",
+    });
+    const version = await repository.createOptimizationResultVersion({
+      case_id: created.id,
+      case_type: "human_copy",
+      status: "optimized",
+      article_job_id: null,
+      article_revision: null,
+      result_summary: "优化后文案",
+      payload: {
+        optimized_text: "优化后文案",
+        change_notes: [],
+        ai_taste_checks: [],
+        warnings: [],
+      },
+      process_summary: [],
+      llm_audit_summary: [],
+      error_stage: null,
+      error_summary: null,
+    });
+    const publication = await repository.createPublicationRecord({
+      result_version_id: version.id,
+      job_id: null,
+      revision: null,
+      publish_target: "私域",
+      url: "https://example.com/private",
+      published_at: "2026-07-08T12:00:00.000Z",
+      status: "published",
+      notes: "",
+    });
+
+    const response = await recordPerformance(
+      request({
+        window_label: "T+7d",
+        views: "1200",
+        feedback_summary: "客户反馈更自然",
+      }),
+      params({ publicationId: publication.id }),
+    );
+    const body = (await response.json()) as {
+      snapshot?: { metrics: { views: number } };
+      calibrationEvent: null;
+    };
+
+    expect(response.status).toBe(201);
+    expect(body.snapshot?.metrics.views).toBe(1200);
+    expect(body.calibrationEvent).toBeNull();
+  });
+
+  it("reruns an article case into a new result version and article job", async () => {
+    const repository = createSqliteRepository();
+    const created = await repository.createOptimizationCase({
+      case_type: "article",
+      title: "GEO 指南",
+      summary: "原文摘要",
+      publish_target: "official_site",
+      source_excerpt: "原文摘要",
+    });
+    const sourceJob = await repository.createArticleJob({
+      case_id: created.id,
+      source_title: "GEO 指南",
+      source_body: "Example Technology Co., Ltd. has 8 years of GEO experience.",
+      image_inputs: [{ type: "description", content: "dashboard" }],
+      publish_platform: "official_site",
+      user_instructions: "保持事实准确",
+    });
+    await repository.saveFactCard(sourceJob.id, confirmedFactCard);
+    await repository.saveCaseInput({
+      case_id: created.id,
+      case_type: "article",
+      article_job_id: sourceJob.id,
+      payload: {
+        source_title: "GEO 指南",
+        source_body: "Example Technology Co., Ltd. has 8 years of GEO experience.",
+        image_inputs: [{ type: "description", content: "dashboard" }],
+        publish_platform: "official_site",
+        user_instructions: "保持事实准确",
+      },
+    });
+    await repository.createOptimizationResultVersion({
+      case_id: created.id,
+      case_type: "article",
+      status: "optimized",
+      article_job_id: null,
+      article_revision: null,
+      result_summary: "第一版",
+      payload: null,
+      process_summary: [],
+      llm_audit_summary: [],
+      error_stage: null,
+      error_summary: null,
+    });
+
+    llmMocks.generateValidatedJson
+      .mockResolvedValueOnce({
+        title: "第二版 GEO 指南",
+        summary: "第二版 official site GEO optimization 摘要",
+        body_markdown:
+          "## 第二版\nExample Technology Co., Ltd. has 8 years of GEO optimization experience.",
+        image_suggestions: [],
+        changed_sections: ["标题"],
+        requires_user_confirmation: [],
+      })
+      .mockResolvedValueOnce({
+        overall_status: "pass",
+        checks: [],
+      });
+
+    const response = await rerunCase(request({}), params({ caseId: created.id }));
+    const body = (await response.json()) as {
+      result_version: { version: number };
+      optimizedArticle: { title: string; job_id: string };
+      qaReport: { overall_status: string };
+      exportPaths: Record<string, string>;
+    };
+
+    expect(response.status).toBe(201);
+    expect(body.result_version.version).toBe(2);
+    expect(body.optimizedArticle.title).toBe("第二版 GEO 指南");
+    expect(body.qaReport.overall_status).toBe("pass");
+    expect(body.exportPaths.markdown).toContain(body.optimizedArticle.job_id);
+    await expect(repository.getArticleJob(body.optimizedArticle.job_id)).resolves.toMatchObject({
+      case_id: created.id,
+      status: "optimized",
+    });
+  });
+
+  it("reruns a human-copy case into a new result version", async () => {
+    const repository = createSqliteRepository();
+    const created = await repository.createOptimizationCase({
+      case_type: "human_copy",
+      title: "人味文案优化：朋友圈",
+      summary: "原文",
+      publish_target: "朋友圈",
+      source_excerpt: "原文",
+    });
+    await repository.saveCaseInput({
+      case_id: created.id,
+      case_type: "human_copy",
+      article_job_id: null,
+      payload: {
+        source_text: "原文",
+        goal: "自然一点",
+        intensity: "light",
+        user_instructions: "",
+        publish_target: "朋友圈",
+      },
+    });
+    await repository.createOptimizationResultVersion({
+      case_id: created.id,
+      case_type: "human_copy",
+      status: "optimized",
+      article_job_id: null,
+      article_revision: null,
+      result_summary: "第一版",
+      payload: {
+        optimized_text: "第一版",
+        change_notes: [],
+        ai_taste_checks: [],
+        warnings: [],
+      },
+      process_summary: [],
+      llm_audit_summary: [],
+      error_stage: null,
+      error_summary: null,
+    });
+
+    llmMocks.generateValidatedJson.mockResolvedValueOnce({
+      optimized_text: "第二版",
+      change_notes: [],
+      ai_taste_checks: [],
+      warnings: [],
+    });
+
+    const response = await rerunCase(request({}), params({ caseId: created.id }));
+    const body = (await response.json()) as {
+      result_version: { version: number };
+      result: { optimized_text: string };
+    };
+
+    expect(response.status).toBe(201);
+    expect(body.result_version.version).toBe(2);
+    expect(body.result.optimized_text).toBe("第二版");
+  });
+});
+
+const confirmedFactCard = {
+  company_full_name: "Example Technology Co., Ltd.",
+  company_short_names: ["Example Tech"],
+  brand_names: ["Example"],
+  product_names: ["Example GEO"],
+  target_industry: "GEO optimization",
+  target_audience: "Marketing teams",
+  experience_years: 8,
+  core_claims: ["8 years of GEO optimization experience"],
+  forbidden_claims: ["industry first"],
+  image_topics: ["dashboard"],
+  uncertain_items: [],
+  is_ready_for_optimization: true,
+  confirmed_by_user: true,
+} as const;
+
+function request(body: unknown, options: { apiKey?: string | null } = {}) {
+  const headers: Record<string, string> = { "content-type": "application/json" };
+  const apiKey = options.apiKey === undefined ? "test-key" : options.apiKey;
+  if (apiKey) headers["x-api-key"] = apiKey;
+  return new Request("http://localhost/api/cases", {
+    method: "POST",
+    body: JSON.stringify(body),
+    headers,
+  });
+}
+
+function params<T extends Record<string, string>>(values: T) {
+  return { params: Promise.resolve(values) };
+}
diff --git a/src/app/api/cases/[caseId]/archive/route.ts b/src/app/api/cases/[caseId]/archive/route.ts
new file mode 100644
index 0000000..64165b0
--- /dev/null
+++ b/src/app/api/cases/[caseId]/archive/route.ts
@@ -0,0 +1,24 @@
+import { NextResponse } from "next/server";
+
+import { requireApiAccess } from "../../../../../lib/api/auth";
+import { getRepositoryFromRuntime } from "../../../../../lib/db/repository";
+
+interface RouteContext {
+  params: Promise<{ caseId: string }>;
+}
+
+export async function POST(request: Request, context: RouteContext) {
+  const access = requireApiAccess(request);
+  if (!access.ok) {
+    return access.response;
+  }
+
+  const { caseId } = await context.params;
+  const repository = getRepositoryFromRuntime();
+  const optimizationCase = await repository.archiveOptimizationCase(caseId);
+  if (!optimizationCase) {
+    return NextResponse.json({ error: "Case not found" }, { status: 404 });
+  }
+
+  return NextResponse.json({ case: optimizationCase });
+}
diff --git a/src/app/api/cases/[caseId]/rerun/route.ts b/src/app/api/cases/[caseId]/rerun/route.ts
new file mode 100644
index 0000000..75083b8
--- /dev/null
+++ b/src/app/api/cases/[caseId]/rerun/route.ts
@@ -0,0 +1,298 @@
+import { NextResponse } from "next/server";
+import { z } from "zod";
+
+import { requireApiAccess } from "../../../../../lib/api/auth";
+import type {
+  ArticleCaseInputPayload,
+  OptimizationCaseDetail,
+  ProcessSummaryStep,
+} from "../../../../../lib/cases/types";
+import { createProcessStep, excerpt } from "../../../../../lib/cases/summaries";
+import {
+  getRepositoryFromRuntime,
+  type AppRepository,
+} from "../../../../../lib/db/repository";
+import {
+  articleInputSchema,
+  copyOptimizationRequestSchema,
+  optimizationFactCardSchema,
+} from "../../../../../lib/domain/validation";
+import type { LlmAuditSummary } from "../../../../../lib/llm/audit";
+import { LlmValidationError } from "../../../../../lib/llm/client";
+import { getExportStoreFromRuntime } from "../../../../../lib/workflow/export-store";
+import { extractCandidateFactCard } from "../../../../../lib/workflow/fact-extractor";
+import { runOptimizationWorkflow } from "../../../../../lib/workflow/orchestrator";
+import { optimizeRenweiCopy } from "../../../../../lib/workflow/renwei-copy-optimizer";
+
+interface RouteContext {
+  params: Promise<{ caseId: string }>;
+}
+
+export async function POST(request: Request, context: RouteContext) {
+  const access = requireApiAccess(request);
+  if (!access.ok) {
+    return access.response;
+  }
+
+  const { caseId } = await context.params;
+  const repository = getRepositoryFromRuntime();
+  const detail = await repository.getOptimizationCaseDetail(caseId);
+  if (!detail?.input) {
+    return NextResponse.json({ error: "Case not found" }, { status: 404 });
+  }
+  const caseDetail = { ...detail, input: detail.input } satisfies CaseDetailWithInput;
+
+  if (detail.case.case_type === "article") {
+    return rerunArticleCase(repository, caseDetail);
+  }
+
+  if (detail.case.case_type === "human_copy") {
+    return rerunHumanCopyCase(repository, caseDetail);
+  }
+
+  return NextResponse.json({ error: "Unsupported case type" }, { status: 400 });
+}
+
+type CaseDetailWithInput = OptimizationCaseDetail & {
+  input: NonNullable<OptimizationCaseDetail["input"]>;
+};
+
+async function rerunHumanCopyCase(
+  repository: AppRepository,
+  detail: CaseDetailWithInput,
+) {
+  const payload = copyOptimizationRequestSchema.parse(detail.input.payload);
+  const startedAt = Date.now();
+  const llmAuditSummary: LlmAuditSummary[] = [];
+
+  try {
+    const result = await optimizeRenweiCopy(payload, {
+      onAuditSummary: (summary) => llmAuditSummary.push(summary),
+    });
+    const resultVersion = await repository.createOptimizationResultVersion({
+      case_id: detail.case.id,
+      case_type: "human_copy",
+      status: "optimized",
+      article_job_id: null,
+      article_revision: null,
+      result_summary: excerpt(result.optimized_text),
+      payload: result,
+      process_summary: [
+        createProcessStep({
+          stage: "human_copy_optimize",
+          startedAt,
+          endedAt: Date.now(),
+          status: "success",
+          producedResultVersion: true,
+        }),
+      ],
+      llm_audit_summary: llmAuditSummary,
+      error_stage: null,
+      error_summary: null,
+    });
+
+    return NextResponse.json(
+      {
+        case: { id: detail.case.id, case_type: "human_copy" },
+        result_version: { id: resultVersion.id, version: resultVersion.version },
+        result,
+      },
+      { status: 201 },
+    );
+  } catch (error) {
+    const message = errorMessage(error);
+    const resultVersion = await repository.createOptimizationResultVersion({
+      case_id: detail.case.id,
+      case_type: "human_copy",
+      status: "failed",
+      article_job_id: null,
+      article_revision: null,
+      result_summary: "",
+      payload: null,
+      process_summary: [
+        createProcessStep({
+          stage: "human_copy_optimize",
+          startedAt,
+          endedAt: Date.now(),
+          status: "failed",
+          errorSummary: message,
+          producedResultVersion: false,
+        }),
+      ],
+      llm_audit_summary: llmAuditSummary,
+      error_stage: "human_copy_optimize",
+      error_summary: message,
+    });
+
+    return NextResponse.json(
+      {
+        error: message,
+        case: { id: detail.case.id, case_type: "human_copy" },
+        result_version: { id: resultVersion.id, version: resultVersion.version },
+      },
+      { status: getErrorStatus(error) },
+    );
+  }
+}
+
+function errorMessage(error: unknown) {
+  return error instanceof z.ZodError
+    ? "请输入需要优化的文案"
+    : error instanceof Error
+      ? error.message
+      : "文案优化失败";
+}
+
+function getErrorStatus(error: unknown) {
+  if (error instanceof LlmValidationError) return 502;
+  if (error instanceof Error && /^LLM\b|provider/i.test(error.message)) return 502;
+  return 400;
+}
+
+async function rerunArticleCase(
+  repository: AppRepository,
+  detail: CaseDetailWithInput,
+) {
+  const payload = detail.input.payload as ArticleCaseInputPayload;
+  const articleInput = articleInputSchema.parse({
+    title: payload.source_title,
+    body: payload.source_body,
+    images: payload.image_inputs,
+    platform: payload.publish_platform,
+    user_instructions: payload.user_instructions,
+  });
+  const llmAuditSummary: LlmAuditSummary[] = [];
+  const processSummary: ProcessSummaryStep[] = [];
+  const requestStartedAt = Date.now();
+  let jobId: string | null = null;
+  let stage = "job";
+
+  try {
+    const job = await repository.createArticleJob({
+      case_id: detail.case.id,
+      source_title: articleInput.title,
+      source_body: articleInput.body,
+      image_inputs: articleInput.images,
+      publish_platform: articleInput.platform,
+      user_instructions: articleInput.user_instructions,
+    });
+    jobId = job.id;
+
+    stage = "fact_card";
+    const factCardStartedAt = Date.now();
+    const existingFactCard = detail.input.article_job_id
+      ? await repository.getFactCard(detail.input.article_job_id)
+      : null;
+    const factCard = optimizationFactCardSchema.parse(
+      payload.fact_card ??
+        existingFactCard ??
+        (await extractCandidateFactCard(articleInput, {
+          onAuditSummary: (summary) => llmAuditSummary.push(summary),
+        })),
+    );
+    processSummary.push(
+      createProcessStep({
+        stage: "fact_card",
+        startedAt: factCardStartedAt,
+        endedAt: Date.now(),
+        status: "success",
+        producedResultVersion: false,
+      }),
+    );
+    const savedFactCard = await repository.saveFactCard(job.id, factCard);
+
+    stage = "optimize";
+    const result = await runOptimizationWorkflow({
+      input: articleInput,
+      factCard: savedFactCard,
+      onAuditSummary: (summary) => llmAuditSummary.push(summary),
+    });
+    const optimizedArticle = await repository.saveOptimizedArticle(
+      job.id,
+      result.article,
+    );
+    const qaReport = await repository.saveQaReport(
+      job.id,
+      optimizedArticle.revision ?? 1,
+      result.qaReport,
+    );
+    const exportStore = getExportStoreFromRuntime();
+    const exportPaths = await exportStore.writeJobExports({
+      jobId: job.id,
+      article: optimizedArticle,
+      qaReport,
+    });
+    await repository.updateArticleJob(job.id, {
+      status: "optimized",
+      export_paths: exportPaths,
+    });
+    const resultVersion = await repository.createOptimizationResultVersion({
+      case_id: detail.case.id,
+      case_type: "article",
+      status: "optimized",
+      article_job_id: job.id,
+      article_revision: optimizedArticle.revision ?? 1,
+      result_summary: optimizedArticle.summary,
+      payload: {
+        article: optimizedArticle,
+        qa_report: qaReport,
+        export_paths: exportPaths,
+      },
+      process_summary: processSummary,
+      llm_audit_summary: llmAuditSummary,
+      error_stage: null,
+      error_summary: null,
+    });
+
+    return NextResponse.json(
+      {
+        case: { id: detail.case.id, case_type: "article" },
+        result_version: { id: resultVersion.id, version: resultVersion.version },
+        optimizedArticle,
+        qaReport,
+        exportPaths,
+        rewriteRounds: result.rewrite_rounds,
+        stoppedAfterMaxRewrites: result.stopped_after_max_rewrites,
+        timing: result.timing,
+      },
+      { status: 201 },
+    );
+  } catch (error) {
+    const message = error instanceof Error ? error.message : "文章优化失败";
+    const resultVersion = await repository.createOptimizationResultVersion({
+      case_id: detail.case.id,
+      case_type: "article",
+      status: "failed",
+      article_job_id: jobId,
+      article_revision: null,
+      result_summary: "",
+      payload: null,
+      process_summary: [
+        ...processSummary,
+        createProcessStep({
+          stage,
+          startedAt: requestStartedAt,
+          endedAt: Date.now(),
+          status: "failed",
+          errorSummary: message,
+          producedResultVersion: false,
+        }),
+      ],
+      llm_audit_summary: llmAuditSummary,
+      error_stage: stage,
+      error_summary: message,
+    });
+    if (jobId) {
+      await repository.updateArticleJob(jobId, { status: "failed" });
+    }
+
+    return NextResponse.json(
+      {
+        error: message,
+        case: { id: detail.case.id, case_type: "article" },
+        result_version: { id: resultVersion.id, version: resultVersion.version },
+      },
+      { status: getErrorStatus(error) },
+    );
+  }
+}
diff --git a/src/app/api/cases/[caseId]/restore/route.ts b/src/app/api/cases/[caseId]/restore/route.ts
new file mode 100644
index 0000000..4be0801
--- /dev/null
+++ b/src/app/api/cases/[caseId]/restore/route.ts
@@ -0,0 +1,24 @@
+import { NextResponse } from "next/server";
+
+import { requireApiAccess } from "../../../../../lib/api/auth";
+import { getRepositoryFromRuntime } from "../../../../../lib/db/repository";
+
+interface RouteContext {
+  params: Promise<{ caseId: string }>;
+}
+
+export async function POST(request: Request, context: RouteContext) {
+  const access = requireApiAccess(request);
+  if (!access.ok) {
+    return access.response;
+  }
+
+  const { caseId } = await context.params;
+  const repository = getRepositoryFromRuntime();
+  const optimizationCase = await repository.restoreOptimizationCase(caseId);
+  if (!optimizationCase) {
+    return NextResponse.json({ error: "Case not found" }, { status: 404 });
+  }
+
+  return NextResponse.json({ case: optimizationCase });
+}
diff --git a/src/app/api/cases/[caseId]/route.ts b/src/app/api/cases/[caseId]/route.ts
new file mode 100644
index 0000000..620d352
--- /dev/null
+++ b/src/app/api/cases/[caseId]/route.ts
@@ -0,0 +1,45 @@
+import { NextResponse } from "next/server";
+
+import { requireApiAccess } from "../../../../lib/api/auth";
+import { caseMetadataPatchSchema } from "../../../../lib/cases/validation";
+import { getRepositoryFromRuntime } from "../../../../lib/db/repository";
+
+interface RouteContext {
+  params: Promise<{ caseId: string }>;
+}
+
+export async function GET(request: Request, context: RouteContext) {
+  const access = requireApiAccess(request);
+  if (!access.ok) {
+    return access.response;
+  }
+
+  const { caseId } = await context.params;
+  const repository = getRepositoryFromRuntime();
+  const detail = await repository.getOptimizationCaseDetail(caseId);
+  if (!detail) {
+    return NextResponse.json({ error: "Case not found" }, { status: 404 });
+  }
+
+  return NextResponse.json(detail);
+}
+
+export async function PATCH(request: Request, context: RouteContext) {
+  const access = requireApiAccess(request);
+  if (!access.ok) {
+    return access.response;
+  }
+
+  const { caseId } = await context.params;
+  const repository = getRepositoryFromRuntime();
+  const changes = caseMetadataPatchSchema.parse(await request.json());
+  const optimizationCase = await repository.updateOptimizationCaseMetadata(
+    caseId,
+    changes,
+  );
+  if (!optimizationCase) {
+    return NextResponse.json({ error: "Case not found" }, { status: 404 });
+  }
+
+  return NextResponse.json({ case: optimizationCase });
+}
diff --git a/src/app/api/cases/[caseId]/versions/[versionId]/publications/route.ts b/src/app/api/cases/[caseId]/versions/[versionId]/publications/route.ts
new file mode 100644
index 0000000..8eb033d
--- /dev/null
+++ b/src/app/api/cases/[caseId]/versions/[versionId]/publications/route.ts
@@ -0,0 +1,63 @@
+import { NextResponse } from "next/server";
+
+import { requireApiAccess } from "../../../../../../../lib/api/auth";
+import { resultVersionPublicationInputSchema } from "../../../../../../../lib/cases/validation";
+import { getRepositoryFromRuntime } from "../../../../../../../lib/db/repository";
+
+interface RouteContext {
+  params: Promise<{ caseId: string; versionId: string }>;
+}
+
+export async function GET(request: Request, context: RouteContext) {
+  const access = requireApiAccess(request);
+  if (!access.ok) {
+    return access.response;
+  }
+
+  const { caseId, versionId } = await context.params;
+  const repository = getRepositoryFromRuntime();
+  const version = await repository.getOptimizationResultVersion(versionId);
+  if (!version || version.case_id !== caseId) {
+    return NextResponse.json(
+      { error: "Result version not found" },
+      { status: 404 },
+    );
+  }
+
+  return NextResponse.json({
+    publications: await repository.listPublicationRecordsForResultVersion(
+      version.id,
+    ),
+  });
+}
+
+export async function POST(request: Request, context: RouteContext) {
+  const access = requireApiAccess(request);
+  if (!access.ok) {
+    return access.response;
+  }
+
+  const { caseId, versionId } = await context.params;
+  const repository = getRepositoryFromRuntime();
+  const version = await repository.getOptimizationResultVersion(versionId);
+  if (!version || version.case_id !== caseId) {
+    return NextResponse.json(
+      { error: "Result version not found" },
+      { status: 404 },
+    );
+  }
+
+  const input = resultVersionPublicationInputSchema.parse(await request.json());
+  const publication = await repository.createPublicationRecord({
+    result_version_id: version.id,
+    job_id: version.article_job_id,
+    revision: version.article_revision,
+    publish_target: input.publish_target,
+    url: input.url,
+    published_at: input.published_at,
+    status: "published",
+    notes: input.notes,
+  });
+
+  return NextResponse.json({ publication }, { status: 201 });
+}
diff --git a/src/app/api/cases/route.ts b/src/app/api/cases/route.ts
new file mode 100644
index 0000000..e72c5fb
--- /dev/null
+++ b/src/app/api/cases/route.ts
@@ -0,0 +1,22 @@
+import { NextResponse } from "next/server";
+
+import { requireApiAccess } from "../../../lib/api/auth";
+import { caseListFiltersSchema } from "../../../lib/cases/validation";
+import { getRepositoryFromRuntime } from "../../../lib/db/repository";
+
+export async function GET(request: Request) {
+  const access = requireApiAccess(request);
+  if (!access.ok) {
+    return access.response;
+  }
+
+  const url = new URL(request.url);
+  const filters = caseListFiltersSchema.parse(
+    Object.fromEntries(url.searchParams.entries()),
+  );
+  const repository = getRepositoryFromRuntime();
+
+  return NextResponse.json({
+    cases: await repository.listOptimizationCases(filters),
+  });
+}
diff --git a/src/app/api/publications/[publicationId]/performance/route.ts b/src/app/api/publications/[publicationId]/performance/route.ts
index 6be6470..0a763ce 100644
--- a/src/app/api/publications/[publicationId]/performance/route.ts
+++ b/src/app/api/publications/[publicationId]/performance/route.ts
@@ -22,12 +22,22 @@ export async function POST(request: Request, context: RouteContext) {
     return NextResponse.json({ error: "Publication not found" }, { status: 404 });
   }
 
-  const scoringRun = await repository.getLatestScoringRun(
-    publication.job_id,
-    publication.revision,
-  );
-  const qaReport = await repository.getLatestQaReport(publication.job_id);
-  if (!scoringRun || !qaReport) {
+  const scoringRun = publication.result_version_id
+    ? await repository.getLatestScoringRunForResultVersion(
+        publication.result_version_id,
+      )
+    : publication.job_id && publication.revision
+      ? await repository.getLatestScoringRun(
+          publication.job_id,
+          publication.revision,
+        )
+      : null;
+  const qaReport = publication.job_id
+    ? await repository.getLatestQaReport(publication.job_id)
+    : null;
+  const manualInput = await request.json();
+
+  if (!publication.result_version_id && (!scoringRun || !qaReport)) {
     return NextResponse.json(
       { error: "Score the optimized revision before recording performance" },
       { status: 409 },
@@ -40,9 +50,15 @@ export async function POST(request: Request, context: RouteContext) {
       await adapter.fetch({
         publication,
         window_label: "manual",
-        manualInput: await request.json(),
+        manualInput,
       }),
     );
+    if (!scoringRun || !qaReport) {
+      return NextResponse.json(
+        { snapshot, calibrationEvent: null },
+        { status: 201 },
+      );
+    }
     const calibrationEvent = await repository.saveCalibrationEvent(
       createCalibrationEvent({ scoringRun, qaReport, snapshot }),
     );