feat: build local optimizer interface

src/app/globals.css

@@ -4,8 +4,8 @@
 
 :root {
   color-scheme: light;
-  background: #f8fafc;
+  background: #f6f7f9;
-  color: #111827;
+  color: #172033;
 }
 
 * {
@@ -20,3 +20,239 @@ body {
     Helvetica,
     sans-serif;
 }
+
+button,
+input,
+select,
+textarea {
+  font: inherit;
+}
+
+button,
+.download-link {
+  border: 1px solid #172033;
+  background: #172033;
+  color: #ffffff;
+  cursor: pointer;
+  border-radius: 6px;
+  min-height: 2.25rem;
+  padding: 0.45rem 0.8rem;
+  text-decoration: none;
+  text-align: center;
+  white-space: nowrap;
+}
+
+button:disabled {
+  cursor: not-allowed;
+  opacity: 0.45;
+}
+
+input,
+select,
+textarea {
+  width: 100%;
+  border: 1px solid #cbd3df;
+  border-radius: 6px;
+  background: #ffffff;
+  color: #172033;
+  padding: 0.65rem 0.7rem;
+}
+
+textarea {
+  min-height: 5rem;
+  resize: vertical;
+}
+
+label {
+  display: grid;
+  gap: 0.35rem;
+}
+
+label span,
+h3 {
+  color: #586174;
+  font-size: 0.82rem;
+  font-weight: 700;
+  text-transform: uppercase;
+}
+
+.app-shell {
+  display: grid;
+  gap: 1rem;
+  min-height: 100vh;
+  padding: 1rem;
+}
+
+.topbar {
+  align-items: center;
+  display: flex;
+  gap: 1rem;
+  justify-content: space-between;
+  border-bottom: 1px solid #dce2eb;
+  padding-bottom: 1rem;
+}
+
+.topbar h1 {
+  margin: 0;
+  color: #172033;
+  font-size: clamp(1.45rem, 3vw, 2.1rem);
+  line-height: 1.1;
+}
+
+.topbar p {
+  margin: 0.3rem 0 0;
+  color: #586174;
+}
+
+.workflow-grid {
+  display: grid;
+  gap: 1rem;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+}
+
+.panel {
+  border: 1px solid #dce2eb;
+  border-radius: 8px;
+  background: #ffffff;
+  min-height: 18rem;
+  padding: 1rem;
+}
+
+.stack {
+  display: grid;
+  align-content: start;
+  gap: 0.9rem;
+}
+
+.empty-panel {
+  color: #8992a3;
+}
+
+.panel-heading,
+.qa-title-row {
+  align-items: center;
+  display: flex;
+  gap: 0.75rem;
+  justify-content: space-between;
+}
+
+.panel-heading {
+  color: #172033;
+  font-size: 1rem;
+  font-weight: 800;
+}
+
+.body-input {
+  min-height: 14rem;
+}
+
+.two-col {
+  display: grid;
+  gap: 0.75rem;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+}
+
+.status-text {
+  margin: 0;
+  font-weight: 700;
+}
+
+.status-pill {
+  border-radius: 999px;
+  display: inline-flex;
+  font-size: 0.72rem;
+  font-weight: 800;
+  line-height: 1;
+  padding: 0.35rem 0.5rem;
+  text-transform: uppercase;
+}
+
+.pass {
+  background: #e6f6ec;
+  color: #116438;
+}
+
+.warn {
+  background: #fff5d6;
+  color: #805a00;
+}
+
+.fail {
+  background: #fde7e7;
+  color: #9f1d21;
+}
+
+.preview {
+  border-left: 3px solid #2f6fdd;
+  padding-left: 1rem;
+}
+
+.preview h2 {
+  margin: 0;
+  font-size: 1.25rem;
+}
+
+.preview p {
+  color: #586174;
+}
+
+.preview pre {
+  background: #f6f7f9;
+  border-radius: 6px;
+  overflow: auto;
+  padding: 0.8rem;
+  white-space: pre-wrap;
+}
+
+.tag-row,
+.export-row {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.5rem;
+}
+
+.tag {
+  border: 1px solid #cbd3df;
+  border-radius: 999px;
+  color: #586174;
+  padding: 0.25rem 0.55rem;
+}
+
+.qa-list {
+  display: grid;
+  gap: 0.7rem;
+}
+
+.qa-item {
+  border: 1px solid #e5e9f0;
+  border-radius: 8px;
+  display: grid;
+  gap: 0.45rem;
+  padding: 0.75rem;
+}
+
+.qa-item p,
+.qa-item em,
+.qa-item small {
+  margin: 0;
+}
+
+.qa-item small {
+  color: #586174;
+}
+
+.qa-item code {
+  color: #2f6fdd;
+}
+
+@media (max-width: 900px) {
+  .workflow-grid,
+  .two-col {
+    grid-template-columns: 1fr;
+  }
+
+  .topbar {
+    align-items: stretch;
+    flex-direction: column;
+  }
+}

src/app/page.tsx

@@ -1,26 +1,150 @@
-const sections = [
+"use client";
-  "Article Input",
+
-  "Fact Card",
+import { useMemo, useState } from "react";
-  "Optimized Result",
+
-  "Quality Report",
+import {
-];
+  ArticleInputForm,
+  type ArticleInputPayload,
+} from "../components/article-input-form";
+import {
+  FactCardEditor,
+  toConfirmedFactCard,
+} from "../components/fact-card-editor";
+import { OptimizedPreview } from "../components/optimized-preview";
+import { QaReportPanel } from "../components/qa-report-panel";
+import type {
+  CandidateFactCard,
+  OptimizedArticle,
+  QaReport,
+} from "../lib/domain/types";
+
+const initialInput: ArticleInputPayload = {
+  title: "",
+  body: "",
+  image_lines: "",
+  platform: "official_site",
+  user_instructions: "",
+};
 
 export default function Home() {
+  const [input, setInput] = useState(initialInput);
+  const [jobId, setJobId] = useState<string | null>(null);
+  const [factCard, setFactCard] = useState<CandidateFactCard | null>(null);
+  const [optimizedArticle, setOptimizedArticle] =
+    useState<OptimizedArticle | null>(null);
+  const [qaReport, setQaReport] = useState<QaReport | null>(null);
+  const [busyAction, setBusyAction] = useState<string | null>(null);
+  const [message, setMessage] = useState<string>("");
+
+  const exportBlocked = useMemo(
+    () => qaReport?.overall_status === "fail",
+    [qaReport],
+  );
+  const canOptimize =
+    Boolean(jobId) && Boolean(factCard) && factCard?.uncertain_items.length === 0;
+
+  async function analyze() {
+    setBusyAction("analyze");
+    setMessage("");
+    setOptimizedArticle(null);
+    setQaReport(null);
+    try {
+      const response = await fetch("/api/jobs", {
+        method: "POST",
+        headers: { "content-type": "application/json" },
+        body: JSON.stringify(input),
+      });
+      const body = await response.json();
+      if (!response.ok) throw new Error(body.error ?? "Analyze failed");
+      setJobId(body.job.id);
+      setFactCard(body.candidateFactCard);
+      setMessage("Candidate fact card created.");
+    } catch (error) {
+      setMessage(error instanceof Error ? error.message : "Analyze failed");
+    } finally {
+      setBusyAction(null);
+    }
+  }
+
+  async function confirmFactCard() {
+    if (!jobId || !factCard) return;
+    setBusyAction("confirm");
+    setMessage("");
+    try {
+      const response = await fetch(`/api/jobs/${jobId}/confirm-fact-card`, {
+        method: "POST",
+        headers: { "content-type": "application/json" },
+        body: JSON.stringify(toConfirmedFactCard(factCard)),
+      });
+      const body = await response.json();
+      if (!response.ok) throw new Error(body.error ?? "Confirm failed");
+      setFactCard(body.factCard);
+      setMessage("Fact card confirmed.");
+    } catch (error) {
+      setMessage(error instanceof Error ? error.message : "Confirm failed");
+    } finally {
+      setBusyAction(null);
+    }
+  }
+
+  async function optimize() {
+    if (!jobId) return;
+    setBusyAction("optimize");
+    setMessage("");
+    try {
+      const response = await fetch(`/api/jobs/${jobId}/optimize`, {
+        method: "POST",
+      });
+      const body = await response.json();
+      if (!response.ok) throw new Error(body.error ?? "Optimize failed");
+      setOptimizedArticle(body.optimizedArticle);
+      setQaReport(body.qaReport);
+      setMessage(
+        body.qaReport.overall_status === "fail"
+          ? "QA found hard failures; export is blocked."
+          : "Optimization complete.",
+      );
+    } catch (error) {
+      setMessage(error instanceof Error ? error.message : "Optimize failed");
+    } finally {
+      setBusyAction(null);
+    }
+  }
+
   return (
-    <main className="mx-auto flex min-h-screen w-full max-w-6xl flex-col gap-8 px-6 py-10">
+    <main className="app-shell">
-      <h1 className="text-3xl font-semibold text-slate-950">
+      <header className="topbar">
-        GEO Agent Article Optimizer
+        <div>
-      </h1>
+          <h1>GEO Agent Article Optimizer</h1>
-      <div className="grid gap-4 md:grid-cols-2">
+          {message && <p>{message}</p>}
-        {sections.map((section) => (
+        </div>
-          <section
+        <button
-            key={section}
+          disabled={!canOptimize || busyAction === "optimize"}
-            aria-label={section}
+          onClick={optimize}
-            className="min-h-48 rounded-lg border border-slate-200 bg-white p-5 shadow-sm"
+          type="button"
         >
-            <h2 className="text-lg font-medium text-slate-900">{section}</h2>
+          {busyAction === "optimize" ? "Optimizing..." : "Optimize"}
-          </section>
+        </button>
-        ))}
+      </header>
+      <div className="workflow-grid">
+        <ArticleInputForm
+          isSubmitting={busyAction === "analyze"}
+          value={input}
+          onChange={setInput}
+          onSubmit={analyze}
+        />
+        <FactCardEditor
+          factCard={factCard}
+          isSaving={busyAction === "confirm"}
+          onChange={setFactCard}
+          onConfirm={confirmFactCard}
+        />
+        <OptimizedPreview
+          article={optimizedArticle}
+          exportBlocked={exportBlocked}
+          jobId={jobId}
+        />
+        <QaReportPanel report={qaReport} />
       </div>
     </main>
   );

src/components/article-input-form.tsx

@@ -0,0 +1,103 @@
+"use client";
+
+import type { FormEvent } from "react";
+
+import type { PublishPlatform } from "../lib/domain/types";
+
+export interface ArticleInputPayload {
+  title: string;
+  body: string;
+  image_lines: string;
+  platform: PublishPlatform;
+  user_instructions: string;
+}
+
+interface ArticleInputFormProps {
+  value: ArticleInputPayload;
+  isSubmitting: boolean;
+  onChange: (value: ArticleInputPayload) => void;
+  onSubmit: () => void;
+}
+
+const platforms: { value: PublishPlatform; label: string }[] = [
+  { value: "official_site", label: "Official site" },
+  { value: "media_article", label: "Media article" },
+  { value: "comparison_review", label: "Comparison review" },
+  { value: "recommendation_list", label: "Recommendation list" },
+];
+
+export function ArticleInputForm({
+  value,
+  isSubmitting,
+  onChange,
+  onSubmit,
+}: ArticleInputFormProps) {
+  function update<K extends keyof ArticleInputPayload>(
+    key: K,
+    nextValue: ArticleInputPayload[K],
+  ) {
+    onChange({ ...value, [key]: nextValue });
+  }
+
+  function handleSubmit(event: FormEvent<HTMLFormElement>) {
+    event.preventDefault();
+    onSubmit();
+  }
+
+  return (
+    <form className="panel stack" onSubmit={handleSubmit}>
+      <div className="panel-heading">
+        <span>Article Input</span>
+        <button disabled={isSubmitting} type="submit">
+          {isSubmitting ? "Analyzing..." : "Analyze"}
+        </button>
+      </div>
+      <label>
+        <span>Title</span>
+        <input
+          required
+          value={value.title}
+          onChange={(event) => update("title", event.target.value)}
+        />
+      </label>
+      <label>
+        <span>Body</span>
+        <textarea
+          required
+          className="body-input"
+          value={value.body}
+          onChange={(event) => update("body", event.target.value)}
+        />
+      </label>
+      <label>
+        <span>Images</span>
+        <textarea
+          value={value.image_lines}
+          onChange={(event) => update("image_lines", event.target.value)}
+        />
+      </label>
+      <label>
+        <span>Target platform</span>
+        <select
+          value={value.platform}
+          onChange={(event) =>
+            update("platform", event.target.value as PublishPlatform)
+          }
+        >
+          {platforms.map((platform) => (
+            <option key={platform.value} value={platform.value}>
+              {platform.label}
+            </option>
+          ))}
+        </select>
+      </label>
+      <label>
+        <span>User instructions</span>
+        <textarea
+          value={value.user_instructions}
+          onChange={(event) => update("user_instructions", event.target.value)}
+        />
+      </label>
+    </form>
+  );
+}

src/components/fact-card-editor.tsx

@@ -0,0 +1,133 @@
+"use client";
+
+import type { CandidateFactCard, ConfirmedFactCard } from "../lib/domain/types";
+
+interface FactCardEditorProps {
+  factCard: CandidateFactCard | null;
+  isSaving: boolean;
+  onChange: (factCard: CandidateFactCard) => void;
+  onConfirm: () => void;
+}
+
+const listFields = [
+  "company_short_names",
+  "brand_names",
+  "product_names",
+  "core_claims",
+  "forbidden_claims",
+  "image_topics",
+  "uncertain_items",
+] as const;
+
+export function FactCardEditor({
+  factCard,
+  isSaving,
+  onChange,
+  onConfirm,
+}: FactCardEditorProps) {
+  if (!factCard) {
+    return (
+      <section className="panel empty-panel">
+        <div className="panel-heading">Fact Card</div>
+      </section>
+    );
+  }
+
+  const currentFactCard = factCard;
+  const canOptimize = currentFactCard.uncertain_items.length === 0;
+
+  function update<K extends keyof CandidateFactCard>(
+    key: K,
+    value: CandidateFactCard[K],
+  ) {
+    onChange({
+      ...currentFactCard,
+      [key]: value,
+      is_ready_for_optimization:
+        key === "uncertain_items"
+          ? (value as string[]).length === 0
+          : currentFactCard.uncertain_items.length === 0,
+    });
+  }
+
+  return (
+    <section className="panel stack">
+      <div className="panel-heading">
+        <span>Fact Card</span>
+        <button disabled={!canOptimize || isSaving} onClick={onConfirm}>
+          {isSaving ? "Saving..." : "Confirm"}
+        </button>
+      </div>
+      <label>
+        <span>Company full name</span>
+        <input
+          value={factCard.company_full_name}
+          onChange={(event) => update("company_full_name", event.target.value)}
+        />
+      </label>
+      <div className="two-col">
+        <label>
+          <span>Target industry</span>
+          <input
+            value={factCard.target_industry}
+            onChange={(event) => update("target_industry", event.target.value)}
+          />
+        </label>
+        <label>
+          <span>Target audience</span>
+          <input
+            value={factCard.target_audience}
+            onChange={(event) => update("target_audience", event.target.value)}
+          />
+        </label>
+      </div>
+      <label>
+        <span>Experience years</span>
+        <input
+          min="0"
+          type="number"
+          value={factCard.experience_years ?? ""}
+          onChange={(event) =>
+            update(
+              "experience_years",
+              event.target.value ? Number(event.target.value) : null,
+            )
+          }
+        />
+      </label>
+      {listFields.map((field) => (
+        <label key={field}>
+          <span>{field.replace(/_/g, " ")}</span>
+          <textarea
+          value={factCard[field].join("\n")}
+            onChange={(event) =>
+              update(
+                field,
+                event.target.value
+                  .split(/\r?\n/)
+                  .map((line) => line.trim())
+                  .filter(Boolean) as CandidateFactCard[typeof field],
+              )
+            }
+          />
+        </label>
+      ))}
+      {!canOptimize && (
+        <p className="status-text fail">
+          Resolve uncertain items before optimization.
+        </p>
+      )}
+    </section>
+  );
+}
+
+export function toConfirmedFactCard(
+  factCard: CandidateFactCard,
+): ConfirmedFactCard {
+  return {
+    ...factCard,
+    uncertain_items: [],
+    is_ready_for_optimization: true,
+    confirmed_by_user: true,
+  };
+}

src/components/optimized-preview.tsx

@@ -0,0 +1,83 @@
+"use client";
+
+import type { OptimizedArticle } from "../lib/domain/types";
+
+interface OptimizedPreviewProps {
+  article: OptimizedArticle | null;
+  jobId: string | null;
+  exportBlocked: boolean;
+}
+
+const exportFiles = ["optimized.md", "optimized.docx", "qa_report.json"];
+
+export function OptimizedPreview({
+  article,
+  jobId,
+  exportBlocked,
+}: OptimizedPreviewProps) {
+  if (!article) {
+    return (
+      <section className="panel empty-panel">
+        <div className="panel-heading">Optimized Result</div>
+      </section>
+    );
+  }
+
+  return (
+    <section className="panel stack">
+      <div className="panel-heading">Optimized Result</div>
+      <article className="preview">
+        <h2>{article.title}</h2>
+        <p>{article.summary}</p>
+        <pre>{article.body_markdown}</pre>
+      </article>
+      <div>
+        <h3>Image suggestions</h3>
+        <ul>
+          {article.image_suggestions.map((item) => (
+            <li key={item.source}>
+              <strong>{item.source}</strong>: {item.suggestion}
+            </li>
+          ))}
+        </ul>
+      </div>
+      <div>
+        <h3>Changed sections</h3>
+        <div className="tag-row">
+          {article.changed_sections.map((section) => (
+            <span className="tag" key={section}>
+              {section}
+            </span>
+          ))}
+        </div>
+      </div>
+      {article.requires_user_confirmation.length > 0 && (
+        <div>
+          <h3>Needs confirmation</h3>
+          <ul>
+            {article.requires_user_confirmation.map((item) => (
+              <li key={item}>{item}</li>
+            ))}
+          </ul>
+        </div>
+      )}
+      <div className="export-row">
+        {exportFiles.map((fileName) =>
+          jobId && !exportBlocked ? (
+            <a
+              className="download-link"
+              href={`/api/jobs/${jobId}/exports/${fileName}`}
+              key={fileName}
+            >
+              {fileName}
+            </a>
+          ) : (
+            <button disabled key={fileName} type="button">
+              {fileName}
+            </button>
+          ),
+        )}
+      </div>
+    </section>
+  );
+}

src/components/qa-report-panel.tsx

@@ -0,0 +1,44 @@
+"use client";
+
+import type { QaReport } from "../lib/domain/types";
+
+interface QaReportPanelProps {
+  report: QaReport | null;
+}
+
+export function QaReportPanel({ report }: QaReportPanelProps) {
+  if (!report) {
+    return (
+      <section className="panel empty-panel">
+        <div className="panel-heading">Quality Report</div>
+      </section>
+    );
+  }
+
+  return (
+    <section className="panel stack">
+      <div className="panel-heading">
+        <span>Quality Report</span>
+        <span className={`status-pill ${report.overall_status}`}>
+          {report.overall_status}
+        </span>
+      </div>
+      <div className="qa-list">
+        {report.checks.map((check) => (
+          <div className="qa-item" key={check.rule_id}>
+            <div className="qa-title-row">
+              <strong>{check.rule_id.replace(/_/g, " ")}</strong>
+              <span className={`status-pill ${check.status}`}>
+                {check.status}
+              </span>
+            </div>
+            <p>{check.reason}</p>
+            <small>{check.evidence}</small>
+            {check.suggested_fix && <em>{check.suggested_fix}</em>}
+            {check.target_agent && <code>{check.target_agent}</code>}
+          </div>
+        ))}
+      </div>
+    </section>
+  );
+}