diff --git a/prisma/migrations/20260528143000_add_bounty_issue_metadata/migration.sql b/prisma/migrations/20260528143000_add_bounty_issue_metadata/migration.sql
new file mode 100644
index 0000000..38201fc
--- /dev/null
+++ b/prisma/migrations/20260528143000_add_bounty_issue_metadata/migration.sql
@@ -0,0 +1,9 @@
+ALTER TABLE "Bounty" ADD COLUMN "issueTitle" TEXT;
+ALTER TABLE "Bounty" ADD COLUMN "issueUrl" TEXT;
+ALTER TABLE "Bounty" ADD COLUMN "issueState" TEXT;
+ALTER TABLE "Bounty" ADD COLUMN "issueExcerpt" TEXT;
+ALTER TABLE "Bounty" ADD COLUMN "issueCreatedAt" TIMESTAMP(3);
+ALTER TABLE "Bounty" ADD COLUMN "issueUpdatedAt" TIMESTAMP(3);
+
+CREATE INDEX "Bounty_issueUpdatedAt_idx" ON "Bounty"("issueUpdatedAt");
+CREATE INDEX "Bounty_amount_idx" ON "Bounty"("amount");
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index df1171d..d157f2d 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -54,22 +54,30 @@ model GithubUserLink {
 }
 
 model Bounty {
-  id           String       @id @default(cuid())
-  repositoryId String
-  issueNumber  Int
-  issueNodeId  String?
-  labelName    String
-  amount       Decimal      @db.Decimal(18, 6)
-  currency     String
-  status       BountyStatus @default(OPEN)
-  createdAt    DateTime     @default(now())
-  updatedAt    DateTime     @updatedAt
+  id             String       @id @default(cuid())
+  repositoryId   String
+  issueNumber    Int
+  issueNodeId    String?
+  issueTitle     String?
+  issueUrl       String?
+  issueState     String?
+  issueExcerpt   String?      @db.Text
+  issueCreatedAt DateTime?
+  issueUpdatedAt DateTime?
+  labelName      String
+  amount         Decimal      @db.Decimal(18, 6)
+  currency       String
+  status         BountyStatus @default(OPEN)
+  createdAt      DateTime     @default(now())
+  updatedAt      DateTime     @updatedAt
 
   repository RepositoryInstallation @relation(fields: [repositoryId], references: [id], onDelete: Cascade)
   rewards    RewardAttempt[]
 
   @@unique([repositoryId, issueNumber, labelName])
   @@index([repositoryId, issueNumber])
+  @@index([issueUpdatedAt])
+  @@index([amount])
 }
 
 model RewardAttempt {
diff --git a/src/app/deploy/page.tsx b/src/app/deploy/page.tsx
new file mode 100644
index 0000000..5c63fe6
--- /dev/null
+++ b/src/app/deploy/page.tsx
@@ -0,0 +1,469 @@
+import type { CSSProperties, ReactNode } from "react";
+
+const flowSteps = [
+  "A repository owner installs the GitHub App.",
+  "A maintainer labels an issue with a Pvium bounty label, for example pvium:20USDC or pvium:10.",
+  "When a pull request is merged into a configured reward target branch and closes that issue, the app checks the PR author.",
+  "If the PR author is already linked to a Pvium account, the app creates a Pvium payment link and comments a Pay reward link on the PR.",
+  "If the PR author is not linked, the app generates a signed Pvium OAuth invite for type: github and comments the invite link on the PR.",
+  "Once the user accepts the invite and connects the matching GitHub account in Pvium, the Pvium webhook creates the payment link and comments the Pay reward link on the PR.",
+  "When Pvium sends a paid or funded webhook, the app marks the reward and bounty as PAID.",
+];
+
+const localSetupCommands = [
+  "cd /Users/Projects/Javascript/paytrack/sdks/node",
+  "npm install",
+  "npm run build",
+  "",
+  "cd /Users/Projects/Javascript/paytrack/github-app",
+  "npm install",
+  "cp .env.example .env",
+  "npm run prisma:generate",
+  "npm run prisma:migrate",
+  "npm run dev",
+];
+
+const envExample = `DATABASE_URL="postgresql://postgres:postgres@localhost:5432/pvium_github_app"
+
+GITHUB_APP_ID=""
+GITHUB_APP_PRIVATE_KEY=""
+GITHUB_WEBHOOK_SECRET=""
+GITHUB_REWARD_TARGET_BRANCHES="main,master"
+PVIUM_BOUNTY_LABEL_PREFIX="pvium:"
+
+PVIUM_ENVIRONMENT="sandbox"
+PVIUM_API_BASE_URL=""
+PVIUM_CONSENT_HOST=""
+PVIUM_SDK_LOG_REQUESTS="false"
+PVIUM_API_KEY=""
+PVIUM_CLIENT_ID=""
+PVIUM_WEBHOOK_SECRET=""
+PVIUM_INVITE_SIGNER_PRIVATE_KEY=""
+PVIUM_OAUTH_REDIRECT_URI="http://localhost:3000/api/pvium/oauth/callback"
+PVIUM_REWARD_PAYMENT_MODEL="instant-batch"
+PVIUM_REWARD_PAYMENT_SIGNER_PRIVATE_KEY=""
+PVIUM_REWARD_PAYMENT_CHAIN="base"
+PVIUM_REWARD_PAYMENT_CHAIN_ID="8453"
+PVIUM_REWARD_PAYMENT_CURRENCY="USDC"
+PVIUM_REWARD_PAYMENT_TOKEN_ADDRESS=""
+PVIUM_REWARD_PAYMENT_TOKEN_DECIMALS="6"
+PVIUM_REWARD_PLATFORM_FEE_WALLET=""
+PVIUM_REWARD_PLATFORM_FEE_BASIS_POINTS="0"
+PVIUM_REWARD_MAX_FEE_AMOUNT="0"
+PVIUM_INVOICE_REDIRECT_URI="http://localhost:3000/api/pvium/oauth/callback"
+
+APP_BASE_URL="http://localhost:3000"`;
+
+const githubPermissions = [
+  "Issues: read and write",
+  "Pull requests: read and write",
+  "Metadata: read-only",
+];
+
+const githubEvents = ["issues", "pull_request"];
+
+const configItems = [
+  "GITHUB_REWARD_TARGET_BRANCHES is a comma-separated list of base branches that can trigger reward processing when a PR is merged.",
+  "PVIUM_BOUNTY_LABEL_PREFIX controls the GitHub issue label prefix used to detect bounties. It defaults to pvium: when unset or empty.",
+  "PVIUM_ENVIRONMENT resolves Pvium hosts: test uses localhost, sandbox uses api-sandbox.pvium.com, and production uses api.pvium.com.",
+  "PVIUM_API_BASE_URL and PVIUM_CONSENT_HOST override the resolved Pvium hosts when needed.",
+  "PVIUM_SDK_LOG_REQUESTS=true logs SDK request method, host, path, status, duration, and network errors without logging full URLs or secrets.",
+  "PVIUM_REWARD_PAYMENT_MODEL controls the payment artifact. Use instant-batch for finalized instant batch payment links or invoice for the legacy invoice flow.",
+  "PVIUM_REWARD_PAYMENT_CHAIN is the chain used by both invoice payment channels and instant batch links.",
+  "PVIUM_REWARD_PAYMENT_CURRENCY is the invoice payment currency.",
+  "PVIUM_REWARD_PAYMENT_SIGNER_PRIVATE_KEY signs instant batches. If omitted, the invite signer is used.",
+  "PVIUM_REWARD_PAYMENT_CHAIN_ID is the chain id used to finalize instant batches.",
+  "PVIUM_REWARD_PAYMENT_TOKEN_ADDRESS and PVIUM_REWARD_PAYMENT_TOKEN_DECIMALS define the instant batch payout token.",
+  "PVIUM_REWARD_PLATFORM_FEE_WALLET receives the platform fee. If omitted, no platform fee payee is added.",
+  "PVIUM_REWARD_PLATFORM_FEE_BASIS_POINTS sets the fee. For example, 100 is 1% and 250 is 2.5%.",
+  "PVIUM_REWARD_MAX_FEE_AMOUNT caps the computed platform fee. Use 0 for no cap.",
+];
+
+const pviumEvents = [
+  "oauth.invite.accepted",
+  "invoice.paid",
+  "invoice.payment_completed",
+  "invoice.payment.succeeded",
+  "payment.attached",
+  "batch.funded",
+  "batch.payment_completed",
+  "batch.payment.succeeded",
+];
+
+const usageSteps = [
+  "Install the GitHub App on a repository.",
+  "Add a bounty label to an issue, such as pvium:20USDC or pvium:20. If PVIUM_BOUNTY_LABEL_PREFIX is changed, use that prefix instead.",
+  "Merge a PR into a configured reward target branch with a closing reference like Closes #123.",
+  "The app comments on the merged PR.",
+  "If the contributor needs to link Pvium, they use the invite link in the comment.",
+  "Pvium redirects back to /api/pvium/oauth/callback with an OAuth code.",
+  "The app exchanges the code through the local Pvium SDK, verifies the accepted GitHub handle, saves the OAuth token set, creates the payment link, and comments a Pay reward link.",
+  "The maintainer clicks Pay reward and completes payment in Pvium.",
+];
+
+export default function Home() {
+  return (
+    <main style={styles.page}>
+      <section style={styles.hero}>
+        <div style={styles.brandRow}>
+          <div style={styles.topLinks}>
+            <a
+              href="https://pvium.com"
+              target="_blank"
+              rel="noreferrer"
+              style={styles.poweredBy}
+            >
+              Powered by <strong>Pvium</strong>
+            </a>
+            <a
+              href="https://github.com/apps/pvium-bounty-app"
+              target="_blank"
+              rel="noreferrer"
+              style={styles.installLink}
+            >
+              Install GitHub App
+            </a>
+            <a href="/" style={styles.installLink}>
+              Issue Discovery
+            </a>
+          </div>
+          <a
+            href="https://pvium.com"
+            target="_blank"
+            rel="noreferrer"
+            style={styles.logoLink}
+          >
+            <img
+              src="/assets/logo-512v2.PNG"
+              alt="Pvium logo"
+              style={styles.logo}
+            />
+          </a>
+        </div>
+        <p style={styles.eyebrow}>Pvium GitHub App</p>
+        <h1 style={styles.title}>
+          Reward GitHub contributors with Pvium payment links.
+        </h1>
+        <p style={styles.lede}>
+          Turn merged pull requests into payable rewards. Maintainers label
+          bounty issues, contributors close them with PRs, and Pvium handles the
+          invite, payment link, funded webhook, and paid status updates.
+        </p>
+        <div style={styles.endpointGrid}>
+          <Endpoint label="GitHub webhook" value="/api/github/webhook" />
+          <Endpoint label="Pvium webhook" value="/api/pvium/webhook" />
+          <Endpoint label="OAuth callback" value="/api/pvium/oauth/callback" />
+        </div>
+      </section>
+
+      <Section title="Flow">
+        <NumberedList items={flowSteps} />
+      </Section>
+
+      <Section title="Local Setup">
+        <p style={styles.paragraph}>
+          The reward automation uses the local Pvium SDK at{" "}
+          <code style={styles.inlineCode}>
+            /Users/Projects/Javascript/paytrack/sdks/node
+          </code>
+          . The package points <code style={styles.inlineCode}>@pvium/sdk</code>{" "}
+          at <code style={styles.inlineCode}>file:../sdks/node</code>, so
+          rebuild the SDK after changing it.
+        </p>
+        <CodeBlock value={localSetupCommands.join("\n")} />
+      </Section>
+
+      <Section title="Environment">
+        <p style={styles.paragraph}>
+          Required values are documented in .env.example:
+        </p>
+        <CodeBlock value={envExample} />
+      </Section>
+
+      <Section title="GitHub App">
+        <p style={styles.paragraph}>
+          Generate <code style={styles.inlineCode}>GITHUB_APP_PRIVATE_KEY</code>{" "}
+          from the GitHub App settings page under Private keys, then copy the
+          full PEM contents into the environment with line breaks replaced by{" "}
+          <code style={styles.inlineCode}>\n</code>.
+        </p>
+        <p style={styles.paragraph}>
+          Configure the webhook URL as{" "}
+          <code style={styles.inlineCode}>
+            https://&lt;your-host&gt;/api/github/webhook
+          </code>
+          .
+        </p>
+        <div style={styles.columns}>
+          <ListBlock title="Repository Permissions" items={githubPermissions} />
+          <ListBlock title="Subscribed Events" items={githubEvents} />
+        </div>
+      </Section>
+
+      <Section title="Pvium Configuration">
+        <p style={styles.paragraph}>
+          Configure the Pvium webhook URL as{" "}
+          <code style={styles.inlineCode}>
+            https://&lt;your-host&gt;/api/pvium/webhook
+          </code>
+          . Set <code style={styles.inlineCode}>PVIUM_WEBHOOK_SECRET</code> to
+          the same secret configured on the Pvium client app.
+        </p>
+        <BulletList items={configItems} />
+        <p style={styles.paragraph}>
+          When{" "}
+          <code style={styles.inlineCode}>
+            PVIUM_REWARD_PLATFORM_FEE_WALLET
+          </code>{" "}
+          is set and the fee basis points are greater than zero, instant batches
+          include the platform fee as the first payee with memo{" "}
+          <code style={styles.inlineCode}>platform fee</code>. The contributor
+          reward amount is not reduced by the fee.
+        </p>
+      </Section>
+
+      <Section title="Handled Events">
+        <div style={styles.columns}>
+          <ListBlock
+            title="GitHub"
+            items={["issues.labeled", "pull_request.closed"]}
+          />
+          <ListBlock title="Pvium" items={pviumEvents} />
+        </div>
+      </Section>
+
+      <Section title="Usage">
+        <NumberedList items={usageSteps} />
+        <p style={styles.paragraph}>
+          The app stores Pvium OAuth access and refresh tokens on the GitHub
+          user link so future merged PRs for the same contributor can create
+          rewards without asking the contributor to authorize again. Treat these
+          OAuth tokens as secrets; production deployments should encrypt them at
+          rest and restrict database access.
+        </p>
+      </Section>
+    </main>
+  );
+}
+
+function Section({ title, children }: { title: string; children: ReactNode }) {
+  return (
+    <section style={styles.section}>
+      <h2 style={styles.sectionTitle}>{title}</h2>
+      {children}
+    </section>
+  );
+}
+
+function Endpoint({ label, value }: { label: string; value: string }) {
+  return (
+    <div style={styles.endpoint}>
+      <span style={styles.endpointLabel}>{label}</span>
+      <code style={styles.endpointCode}>{value}</code>
+    </div>
+  );
+}
+
+function ListBlock({ title, items }: { title: string; items: string[] }) {
+  return (
+    <div style={styles.listBlock}>
+      <h3 style={styles.listTitle}>{title}</h3>
+      <BulletList items={items} />
+    </div>
+  );
+}
+
+function BulletList({ items }: { items: string[] }) {
+  return (
+    <ul style={styles.list}>
+      {items.map((item) => (
+        <li key={item} style={styles.listItem}>
+          {item}
+        </li>
+      ))}
+    </ul>
+  );
+}
+
+function NumberedList({ items }: { items: string[] }) {
+  return (
+    <ol style={styles.list}>
+      {items.map((item) => (
+        <li key={item} style={styles.listItem}>
+          {item}
+        </li>
+      ))}
+    </ol>
+  );
+}
+
+function CodeBlock({ value }: { value: string }) {
+  return <pre style={styles.codeBlock}>{value}</pre>;
+}
+
+const styles: Record<string, CSSProperties> = {
+  page: {
+    minHeight: "100vh",
+    margin: 0,
+    padding: "48px 20px",
+    background: "#f7f8fb",
+    color: "#172033",
+    fontFamily:
+      'Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif',
+  },
+  hero: {
+    maxWidth: 980,
+    margin: "0 auto 24px",
+    padding: "32px 0 8px",
+  },
+  brandRow: {
+    display: "flex",
+    alignItems: "center",
+    justifyContent: "space-between",
+    gap: 12,
+    marginBottom: 18,
+  },
+  topLinks: {
+    display: "flex",
+    alignItems: "center",
+    flexWrap: "wrap",
+    gap: 10,
+  },
+  logo: {
+    width: 96,
+    height: 96,
+    borderRadius: 8,
+    objectFit: "contain",
+  },
+  logoLink: {
+    display: "inline-flex",
+    lineHeight: 0,
+  },
+  poweredBy: {
+    display: "inline-flex",
+    alignItems: "center",
+    padding: "9px 13px",
+    border: "1px solid #c8d0df",
+    borderRadius: 999,
+    background: "#ffffff",
+    color: "#172033",
+    fontSize: 14,
+    fontWeight: 600,
+    textDecoration: "none",
+  },
+  installLink: {
+    display: "inline-flex",
+    alignItems: "center",
+    padding: "10px 14px",
+    borderRadius: 8,
+    background: "#172033",
+    color: "#ffffff",
+    fontSize: 14,
+    fontWeight: 700,
+    textDecoration: "none",
+  },
+  eyebrow: {
+    margin: "0 0 12px",
+    color: "#52627a",
+    fontSize: 14,
+    fontWeight: 700,
+    textTransform: "uppercase",
+  },
+  title: {
+    maxWidth: 820,
+    margin: "0 0 18px",
+    fontSize: 48,
+    lineHeight: 1.08,
+    letterSpacing: 0,
+  },
+  lede: {
+    maxWidth: 760,
+    margin: "0 0 24px",
+    color: "#46556e",
+    fontSize: 18,
+    lineHeight: 1.65,
+  },
+  endpointGrid: {
+    display: "grid",
+    gridTemplateColumns: "repeat(auto-fit, minmax(230px, 1fr))",
+    gap: 12,
+    maxWidth: 920,
+  },
+  endpoint: {
+    border: "1px solid #d9deea",
+    borderRadius: 8,
+    background: "#ffffff",
+    padding: 16,
+  },
+  endpointLabel: {
+    display: "block",
+    marginBottom: 8,
+    color: "#66748a",
+    fontSize: 13,
+    fontWeight: 700,
+  },
+  endpointCode: {
+    color: "#172033",
+    fontSize: 14,
+    wordBreak: "break-word",
+  },
+  section: {
+    maxWidth: 980,
+    margin: "18px auto",
+    padding: 24,
+    border: "1px solid #d9deea",
+    borderRadius: 8,
+    background: "#ffffff",
+  },
+  sectionTitle: {
+    margin: "0 0 16px",
+    fontSize: 24,
+    letterSpacing: 0,
+  },
+  paragraph: {
+    margin: "0 0 14px",
+    color: "#46556e",
+    fontSize: 15,
+    lineHeight: 1.7,
+  },
+  columns: {
+    display: "grid",
+    gridTemplateColumns: "repeat(auto-fit, minmax(250px, 1fr))",
+    gap: 18,
+  },
+  listBlock: {
+    minWidth: 0,
+  },
+  listTitle: {
+    margin: "0 0 10px",
+    color: "#263247",
+    fontSize: 16,
+  },
+  list: {
+    margin: 0,
+    paddingLeft: 22,
+    color: "#46556e",
+    fontSize: 15,
+    lineHeight: 1.7,
+  },
+  listItem: {
+    marginBottom: 8,
+  },
+  codeBlock: {
+    margin: "14px 0 0",
+    padding: 16,
+    overflowX: "auto",
+    borderRadius: 8,
+    background: "#141925",
+    color: "#eef3ff",
+    fontSize: 13,
+    lineHeight: 1.6,
+  },
+  inlineCode: {
+    padding: "2px 5px",
+    borderRadius: 5,
+    background: "#eef1f6",
+    color: "#263247",
+    fontSize: "0.92em",
+  },
+};
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 659e33f..d06d9ac 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -1,466 +1,380 @@
-import type { CSSProperties, ReactNode } from "react";
+import type { CSSProperties } from "react";
+import { prisma } from "@/lib/db/prisma";
+import {
+  DiscoveryIssue,
+  filterAndSortIssues,
+  formatRewardAmount,
+  normalizeDiscoveryParams,
+} from "@/lib/issues/discovery";
 
-const flowSteps = [
-  "A repository owner installs the GitHub App.",
-  "A maintainer labels an issue with a Pvium bounty label, for example pvium:20USDC or pvium:10.",
-  "When a pull request is merged into a configured reward target branch and closes that issue, the app checks the PR author.",
-  "If the PR author is already linked to a Pvium account, the app creates a Pvium payment link and comments a Pay reward link on the PR.",
-  "If the PR author is not linked, the app generates a signed Pvium OAuth invite for type: github and comments the invite link on the PR.",
-  "Once the user accepts the invite and connects the matching GitHub account in Pvium, the Pvium webhook creates the payment link and comments the Pay reward link on the PR.",
-  "When Pvium sends a paid or funded webhook, the app marks the reward and bounty as PAID.",
-];
+export const dynamic = "force-dynamic";
 
-const localSetupCommands = [
-  "cd /Users/Projects/Javascript/paytrack/sdks/node",
-  "npm install",
-  "npm run build",
-  "",
-  "cd /Users/Projects/Javascript/paytrack/github-app",
-  "npm install",
-  "cp .env.example .env",
-  "npm run prisma:generate",
-  "npm run prisma:migrate",
-  "npm run dev",
-];
-
-const envExample = `DATABASE_URL="postgresql://postgres:postgres@localhost:5432/pvium_github_app"
-
-GITHUB_APP_ID=""
-GITHUB_APP_PRIVATE_KEY=""
-GITHUB_WEBHOOK_SECRET=""
-GITHUB_REWARD_TARGET_BRANCHES="main,master"
-PVIUM_BOUNTY_LABEL_PREFIX="pvium:"
-
-PVIUM_ENVIRONMENT="sandbox"
-PVIUM_API_BASE_URL=""
-PVIUM_CONSENT_HOST=""
-PVIUM_SDK_LOG_REQUESTS="false"
-PVIUM_API_KEY=""
-PVIUM_CLIENT_ID=""
-PVIUM_WEBHOOK_SECRET=""
-PVIUM_INVITE_SIGNER_PRIVATE_KEY=""
-PVIUM_OAUTH_REDIRECT_URI="http://localhost:3000/api/pvium/oauth/callback"
-PVIUM_REWARD_PAYMENT_MODEL="instant-batch"
-PVIUM_REWARD_PAYMENT_SIGNER_PRIVATE_KEY=""
-PVIUM_REWARD_PAYMENT_CHAIN="base"
-PVIUM_REWARD_PAYMENT_CHAIN_ID="8453"
-PVIUM_REWARD_PAYMENT_CURRENCY="USDC"
-PVIUM_REWARD_PAYMENT_TOKEN_ADDRESS=""
-PVIUM_REWARD_PAYMENT_TOKEN_DECIMALS="6"
-PVIUM_REWARD_PLATFORM_FEE_WALLET=""
-PVIUM_REWARD_PLATFORM_FEE_BASIS_POINTS="0"
-PVIUM_REWARD_MAX_FEE_AMOUNT="0"
-PVIUM_INVOICE_REDIRECT_URI="http://localhost:3000/api/pvium/oauth/callback"
-
-APP_BASE_URL="http://localhost:3000"`;
-
-const githubPermissions = [
-  "Issues: read and write",
-  "Pull requests: read and write",
-  "Metadata: read-only",
-];
-
-const githubEvents = ["issues", "pull_request"];
-
-const configItems = [
-  "GITHUB_REWARD_TARGET_BRANCHES is a comma-separated list of base branches that can trigger reward processing when a PR is merged.",
-  "PVIUM_BOUNTY_LABEL_PREFIX controls the GitHub issue label prefix used to detect bounties. It defaults to pvium: when unset or empty.",
-  "PVIUM_ENVIRONMENT resolves Pvium hosts: test uses localhost, sandbox uses api-sandbox.pvium.com, and production uses api.pvium.com.",
-  "PVIUM_API_BASE_URL and PVIUM_CONSENT_HOST override the resolved Pvium hosts when needed.",
-  "PVIUM_SDK_LOG_REQUESTS=true logs SDK request method, host, path, status, duration, and network errors without logging full URLs or secrets.",
-  "PVIUM_REWARD_PAYMENT_MODEL controls the payment artifact. Use instant-batch for finalized instant batch payment links or invoice for the legacy invoice flow.",
-  "PVIUM_REWARD_PAYMENT_CHAIN is the chain used by both invoice payment channels and instant batch links.",
-  "PVIUM_REWARD_PAYMENT_CURRENCY is the invoice payment currency.",
-  "PVIUM_REWARD_PAYMENT_SIGNER_PRIVATE_KEY signs instant batches. If omitted, the invite signer is used.",
-  "PVIUM_REWARD_PAYMENT_CHAIN_ID is the chain id used to finalize instant batches.",
-  "PVIUM_REWARD_PAYMENT_TOKEN_ADDRESS and PVIUM_REWARD_PAYMENT_TOKEN_DECIMALS define the instant batch payout token.",
-  "PVIUM_REWARD_PLATFORM_FEE_WALLET receives the platform fee. If omitted, no platform fee payee is added.",
-  "PVIUM_REWARD_PLATFORM_FEE_BASIS_POINTS sets the fee. For example, 100 is 1% and 250 is 2.5%.",
-  "PVIUM_REWARD_MAX_FEE_AMOUNT caps the computed platform fee. Use 0 for no cap.",
-];
-
-const pviumEvents = [
-  "oauth.invite.accepted",
-  "invoice.paid",
-  "invoice.payment_completed",
-  "invoice.payment.succeeded",
-  "payment.attached",
-  "batch.funded",
-  "batch.payment_completed",
-  "batch.payment.succeeded",
-];
+type PageProps = {
+  searchParams?: Promise<Record<string, string | string[] | undefined>>;
+};
 
-const usageSteps = [
-  "Install the GitHub App on a repository.",
-  "Add a bounty label to an issue, such as pvium:20USDC or pvium:20. If PVIUM_BOUNTY_LABEL_PREFIX is changed, use that prefix instead.",
-  "Merge a PR into a configured reward target branch with a closing reference like Closes #123.",
-  "The app comments on the merged PR.",
-  "If the contributor needs to link Pvium, they use the invite link in the comment.",
-  "Pvium redirects back to /api/pvium/oauth/callback with an OAuth code.",
-  "The app exchanges the code through the local Pvium SDK, verifies the accepted GitHub handle, saves the OAuth token set, creates the payment link, and comments a Pay reward link.",
-  "The maintainer clicks Pay reward and completes payment in Pvium.",
-];
+export default async function Home({ searchParams }: PageProps) {
+  const params = normalizeDiscoveryParams((await searchParams) ?? {});
+  const issues = filterAndSortIssues(await loadIssues(), params);
+  const rewardTotals = getRewardTotals(issues);
 
-export default function Home() {
   return (
     <main style={styles.page}>
-      <section style={styles.hero}>
-        <div style={styles.brandRow}>
-          <div style={styles.topLinks}>
-            <a
-              href="https://pvium.com"
-              target="_blank"
-              rel="noreferrer"
-              style={styles.poweredBy}
-            >
-              Powered by <strong>Pvium</strong>
-            </a>
-            <a
-              href="https://github.com/apps/pvium-bounty-app"
-              target="_blank"
-              rel="noreferrer"
-              style={styles.installLink}
-            >
-              Install GitHub App
-            </a>
-          </div>
+      <header style={styles.header}>
+        <div>
+          <p style={styles.eyebrow}>Pvium GitHub App</p>
+          <h1 style={styles.title}>Issue Discovery</h1>
+        </div>
+        <nav style={styles.nav}>
+          <a href="/deploy" style={styles.secondaryLink}>
+            Deploy
+          </a>
           <a
-            href="https://pvium.com"
+            href="https://github.com/apps/pvium-bounty-app"
             target="_blank"
             rel="noreferrer"
-            style={styles.logoLink}
+            style={styles.primaryLink}
           >
-            <img
-              src="/assets/logo-512v2.PNG"
-              alt="Pvium logo"
-              style={styles.logo}
-            />
+            Install
           </a>
-        </div>
-        <p style={styles.eyebrow}>Pvium GitHub App</p>
-        <h1 style={styles.title}>
-          Reward GitHub contributors with Pvium payment links.
-        </h1>
-        <p style={styles.lede}>
-          Turn merged pull requests into payable rewards. Maintainers label
-          bounty issues, contributors close them with PRs, and Pvium handles the
-          invite, payment link, funded webhook, and paid status updates.
-        </p>
-        <div style={styles.endpointGrid}>
-          <Endpoint label="GitHub webhook" value="/api/github/webhook" />
-          <Endpoint label="Pvium webhook" value="/api/pvium/webhook" />
-          <Endpoint label="OAuth callback" value="/api/pvium/oauth/callback" />
-        </div>
-      </section>
-
-      <Section title="Flow">
-        <NumberedList items={flowSteps} />
-      </Section>
+        </nav>
+      </header>
 
-      <Section title="Local Setup">
-        <p style={styles.paragraph}>
-          The reward automation uses the local Pvium SDK at{" "}
-          <code style={styles.inlineCode}>
-            /Users/Projects/Javascript/paytrack/sdks/node
-          </code>
-          . The package points <code style={styles.inlineCode}>@pvium/sdk</code>{" "}
-          at <code style={styles.inlineCode}>file:../sdks/node</code>, so
-          rebuild the SDK after changing it.
-        </p>
-        <CodeBlock value={localSetupCommands.join("\n")} />
-      </Section>
-
-      <Section title="Environment">
-        <p style={styles.paragraph}>
-          Required values are documented in .env.example:
-        </p>
-        <CodeBlock value={envExample} />
-      </Section>
-
-      <Section title="GitHub App">
-        <p style={styles.paragraph}>
-          Generate <code style={styles.inlineCode}>GITHUB_APP_PRIVATE_KEY</code>{" "}
-          from the GitHub App settings page under Private keys, then copy the
-          full PEM contents into the environment with line breaks replaced by{" "}
-          <code style={styles.inlineCode}>\n</code>.
-        </p>
-        <p style={styles.paragraph}>
-          Configure the webhook URL as{" "}
-          <code style={styles.inlineCode}>
-            https://&lt;your-host&gt;/api/github/webhook
-          </code>
-          .
-        </p>
-        <div style={styles.columns}>
-          <ListBlock title="Repository Permissions" items={githubPermissions} />
-          <ListBlock title="Subscribed Events" items={githubEvents} />
-        </div>
-      </Section>
-
-      <Section title="Pvium Configuration">
-        <p style={styles.paragraph}>
-          Configure the Pvium webhook URL as{" "}
-          <code style={styles.inlineCode}>
-            https://&lt;your-host&gt;/api/pvium/webhook
-          </code>
-          . Set <code style={styles.inlineCode}>PVIUM_WEBHOOK_SECRET</code> to
-          the same secret configured on the Pvium client app.
-        </p>
-        <BulletList items={configItems} />
-        <p style={styles.paragraph}>
-          When{" "}
-          <code style={styles.inlineCode}>
-            PVIUM_REWARD_PLATFORM_FEE_WALLET
-          </code>{" "}
-          is set and the fee basis points are greater than zero, instant batches
-          include the platform fee as the first payee with memo{" "}
-          <code style={styles.inlineCode}>platform fee</code>. The contributor
-          reward amount is not reduced by the fee.
-        </p>
-      </Section>
-
-      <Section title="Handled Events">
-        <div style={styles.columns}>
-          <ListBlock
-            title="GitHub"
-            items={["issues.labeled", "pull_request.closed"]}
-          />
-          <ListBlock title="Pvium" items={pviumEvents} />
+      <section style={styles.toolbar} aria-label="Issue filters">
+        <form style={styles.form}>
+          <label style={styles.field}>
+            <span style={styles.label}>Sort</span>
+            <select name="sort" defaultValue={params.sort} style={styles.input}>
+              <option value="recent">Recent</option>
+              <option value="top">Top</option>
+            </select>
+          </label>
+          <label style={styles.field}>
+            <span style={styles.label}>Order</span>
+            <select
+              name="order"
+              defaultValue={params.order}
+              style={styles.input}
+            >
+              <option value="desc">Descending</option>
+              <option value="asc">Ascending</option>
+            </select>
+          </label>
+          <label style={styles.field}>
+            <span style={styles.label}>Minimum</span>
+            <input
+              name="minBounty"
+              type="number"
+              min="0"
+              step="1"
+              defaultValue={params.minBounty || ""}
+              placeholder="0"
+              style={styles.input}
+            />
+          </label>
+          <button type="submit" style={styles.button}>
+            Apply
+          </button>
+        </form>
+        <div style={styles.summary}>
+          <strong>{issues.length}</strong>
+          <span>open records</span>
+          {rewardTotals.map(([currency, amount]) => (
+            <strong key={currency}>{formatRewardAmount(amount, currency)}</strong>
+          ))}
         </div>
-      </Section>
+      </section>
 
-      <Section title="Usage">
-        <NumberedList items={usageSteps} />
-        <p style={styles.paragraph}>
-          The app stores Pvium OAuth access and refresh tokens on the GitHub
-          user link so future merged PRs for the same contributor can create
-          rewards without asking the contributor to authorize again. Treat these
-          OAuth tokens as secrets; production deployments should encrypt them at
-          rest and restrict database access.
-        </p>
-      </Section>
+      {issues.length > 0 ? (
+        <section style={styles.issueList} aria-label="Bounty issues">
+          {issues.map((issue) => (
+            <article key={issue.id} style={styles.issueCard}>
+              <div style={styles.issueMain}>
+                <div style={styles.issueMeta}>
+                  <span style={styles.repo}>{issue.repository}</span>
+                  <span style={styles.status}>{issue.status}</span>
+                  <span style={styles.status}>{issue.bountyStatus}</span>
+                </div>
+                <h2 style={styles.issueTitle}>
+                  <a
+                    href={issue.url}
+                    target="_blank"
+                    rel="noreferrer"
+                    style={styles.issueLink}
+                  >
+                    {issue.title}
+                  </a>
+                </h2>
+                <p style={styles.excerpt}>{issue.excerpt}</p>
+              </div>
+              <div style={styles.issueAside}>
+                <strong style={styles.amount}>
+                  {formatRewardAmount(issue.amount, issue.currency)}
+                </strong>
+                <time dateTime={issue.updatedAt.toISOString()} style={styles.date}>
+                  {issue.updatedAt.toLocaleDateString("en-US", {
+                    month: "short",
+                    day: "numeric",
+                    year: "numeric",
+                  })}
+                </time>
+              </div>
+            </article>
+          ))}
+        </section>
+      ) : (
+        <section style={styles.empty}>
+          <h2 style={styles.emptyTitle}>No matching issues</h2>
+          <p style={styles.excerpt}>
+            Pvium bounty labels will appear here after connected repositories
+            send issue events.
+          </p>
+        </section>
+      )}
     </main>
   );
 }
 
-function Section({ title, children }: { title: string; children: ReactNode }) {
-  return (
-    <section style={styles.section}>
-      <h2 style={styles.sectionTitle}>{title}</h2>
-      {children}
-    </section>
-  );
-}
-
-function Endpoint({ label, value }: { label: string; value: string }) {
-  return (
-    <div style={styles.endpoint}>
-      <span style={styles.endpointLabel}>{label}</span>
-      <code style={styles.endpointCode}>{value}</code>
-    </div>
-  );
-}
+function getRewardTotals(issues: DiscoveryIssue[]) {
+  const totals = new Map<string, number>();
+  for (const issue of issues) {
+    totals.set(issue.currency, (totals.get(issue.currency) ?? 0) + issue.amount);
+  }
 
-function ListBlock({ title, items }: { title: string; items: string[] }) {
-  return (
-    <div style={styles.listBlock}>
-      <h3 style={styles.listTitle}>{title}</h3>
-      <BulletList items={items} />
-    </div>
-  );
+  return [...totals.entries()].sort(([a], [b]) => a.localeCompare(b));
 }
 
-function BulletList({ items }: { items: string[] }) {
-  return (
-    <ul style={styles.list}>
-      {items.map((item) => (
-        <li key={item} style={styles.listItem}>
-          {item}
-        </li>
-      ))}
-    </ul>
-  );
-}
+async function loadIssues(): Promise<DiscoveryIssue[]> {
+  try {
+    const bounties = await prisma.bounty.findMany({
+      include: {
+        repository: true,
+      },
+      orderBy: [{ updatedAt: "desc" }],
+      take: 200,
+    });
 
-function NumberedList({ items }: { items: string[] }) {
-  return (
-    <ol style={styles.list}>
-      {items.map((item) => (
-        <li key={item} style={styles.listItem}>
-          {item}
-        </li>
-      ))}
-    </ol>
-  );
-}
+    return bounties.map((bounty) => {
+      const repository = `${bounty.repository.owner}/${bounty.repository.repo}`;
+      const issueUrl =
+        bounty.issueUrl ??
+        `https://github.com/${repository}/issues/${bounty.issueNumber}`;
 
-function CodeBlock({ value }: { value: string }) {
-  return <pre style={styles.codeBlock}>{value}</pre>;
+      return {
+        id: bounty.id,
+        title: bounty.issueTitle ?? `${repository}#${bounty.issueNumber}`,
+        repository,
+        amount: Number(bounty.amount),
+        currency: bounty.currency,
+        status: bounty.issueState ?? "open",
+        bountyStatus: bounty.status,
+        createdAt: bounty.issueCreatedAt ?? bounty.createdAt,
+        updatedAt: bounty.issueUpdatedAt ?? bounty.updatedAt,
+        excerpt:
+          bounty.issueExcerpt ??
+          `Bounty label ${bounty.labelName} on issue #${bounty.issueNumber}.`,
+        url: issueUrl,
+      };
+    });
+  } catch (error) {
+    console.error("[issue-discovery] failed to load bounty issues", error);
+    return [];
+  }
 }
 
 const styles: Record<string, CSSProperties> = {
   page: {
     minHeight: "100vh",
     margin: 0,
-    padding: "48px 20px",
-    background: "#f7f8fb",
+    padding: "32px 20px 48px",
+    background: "#f6f8fb",
     color: "#172033",
     fontFamily:
       'Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif',
   },
-  hero: {
-    maxWidth: 980,
-    margin: "0 auto 24px",
-    padding: "32px 0 8px",
-  },
-  brandRow: {
+  header: {
+    maxWidth: 1120,
+    margin: "0 auto 18px",
     display: "flex",
     alignItems: "center",
     justifyContent: "space-between",
-    gap: 12,
-    marginBottom: 18,
+    gap: 16,
+  },
+  eyebrow: {
+    margin: "0 0 6px",
+    color: "#52627a",
+    fontSize: 13,
+    fontWeight: 700,
+    textTransform: "uppercase",
+  },
+  title: {
+    margin: 0,
+    fontSize: 36,
+    lineHeight: 1.15,
+    letterSpacing: 0,
   },
-  topLinks: {
+  nav: {
     display: "flex",
     alignItems: "center",
-    flexWrap: "wrap",
     gap: 10,
   },
-  logo: {
-    width: 96,
-    height: 96,
+  primaryLink: {
+    padding: "10px 14px",
     borderRadius: 8,
-    objectFit: "contain",
-  },
-  logoLink: {
-    display: "inline-flex",
-    lineHeight: 0,
+    background: "#172033",
+    color: "#ffffff",
+    fontSize: 14,
+    fontWeight: 700,
+    textDecoration: "none",
   },
-  poweredBy: {
-    display: "inline-flex",
-    alignItems: "center",
+  secondaryLink: {
     padding: "9px 13px",
     border: "1px solid #c8d0df",
-    borderRadius: 999,
+    borderRadius: 8,
     background: "#ffffff",
     color: "#172033",
     fontSize: 14,
-    fontWeight: 600,
+    fontWeight: 700,
     textDecoration: "none",
   },
-  installLink: {
-    display: "inline-flex",
-    alignItems: "center",
-    padding: "10px 14px",
+  toolbar: {
+    maxWidth: 1120,
+    margin: "0 auto 16px",
+    padding: 16,
+    border: "1px solid #d9deea",
     borderRadius: 8,
-    background: "#172033",
-    color: "#ffffff",
-    fontSize: 14,
-    fontWeight: 700,
-    textDecoration: "none",
+    background: "#ffffff",
+    display: "flex",
+    alignItems: "end",
+    justifyContent: "space-between",
+    gap: 16,
+    flexWrap: "wrap",
   },
-  eyebrow: {
-    margin: "0 0 12px",
-    color: "#52627a",
-    fontSize: 14,
+  form: {
+    display: "flex",
+    alignItems: "end",
+    gap: 12,
+    flexWrap: "wrap",
+  },
+  field: {
+    display: "grid",
+    gap: 6,
+  },
+  label: {
+    color: "#5d6a80",
+    fontSize: 12,
     fontWeight: 700,
     textTransform: "uppercase",
   },
-  title: {
-    maxWidth: 820,
-    margin: "0 0 18px",
-    fontSize: 48,
-    lineHeight: 1.08,
-    letterSpacing: 0,
+  input: {
+    minWidth: 150,
+    height: 40,
+    padding: "0 10px",
+    border: "1px solid #c8d0df",
+    borderRadius: 8,
+    background: "#ffffff",
+    color: "#172033",
+    fontSize: 14,
   },
-  lede: {
-    maxWidth: 760,
-    margin: "0 0 24px",
-    color: "#46556e",
-    fontSize: 18,
-    lineHeight: 1.65,
+  button: {
+    height: 40,
+    padding: "0 16px",
+    border: 0,
+    borderRadius: 8,
+    background: "#0f766e",
+    color: "#ffffff",
+    fontSize: 14,
+    fontWeight: 800,
+    cursor: "pointer",
   },
-  endpointGrid: {
+  summary: {
+    display: "flex",
+    alignItems: "center",
+    gap: 10,
+    color: "#52627a",
+    fontSize: 14,
+  },
+  issueList: {
+    maxWidth: 1120,
+    margin: "0 auto",
     display: "grid",
-    gridTemplateColumns: "repeat(auto-fit, minmax(230px, 1fr))",
     gap: 12,
-    maxWidth: 920,
   },
-  endpoint: {
+  issueCard: {
+    display: "grid",
+    gridTemplateColumns: "minmax(0, 1fr) auto",
+    gap: 18,
+    padding: 18,
     border: "1px solid #d9deea",
     borderRadius: 8,
     background: "#ffffff",
-    padding: 16,
   },
-  endpointLabel: {
-    display: "block",
+  issueMain: {
+    minWidth: 0,
+  },
+  issueMeta: {
+    display: "flex",
+    alignItems: "center",
+    gap: 8,
+    flexWrap: "wrap",
     marginBottom: 8,
-    color: "#66748a",
-    fontSize: 13,
-    fontWeight: 700,
   },
-  endpointCode: {
-    color: "#172033",
-    fontSize: 14,
-    wordBreak: "break-word",
+  repo: {
+    color: "#334155",
+    fontSize: 13,
+    fontWeight: 800,
   },
-  section: {
-    maxWidth: 980,
-    margin: "18px auto",
-    padding: 24,
-    border: "1px solid #d9deea",
-    borderRadius: 8,
-    background: "#ffffff",
+  status: {
+    padding: "3px 7px",
+    borderRadius: 6,
+    background: "#e8f4f2",
+    color: "#0f766e",
+    fontSize: 12,
+    fontWeight: 800,
+    textTransform: "uppercase",
   },
-  sectionTitle: {
-    margin: "0 0 16px",
-    fontSize: 24,
+  issueTitle: {
+    margin: "0 0 8px",
+    fontSize: 20,
+    lineHeight: 1.25,
     letterSpacing: 0,
   },
-  paragraph: {
-    margin: "0 0 14px",
-    color: "#46556e",
-    fontSize: 15,
-    lineHeight: 1.7,
-  },
-  columns: {
-    display: "grid",
-    gridTemplateColumns: "repeat(auto-fit, minmax(250px, 1fr))",
-    gap: 18,
+  issueLink: {
+    color: "#172033",
+    textDecoration: "none",
   },
-  listBlock: {
-    minWidth: 0,
+  excerpt: {
+    margin: 0,
+    color: "#52627a",
+    fontSize: 14,
+    lineHeight: 1.55,
   },
-  listTitle: {
-    margin: "0 0 10px",
-    color: "#263247",
-    fontSize: 16,
+  issueAside: {
+    display: "grid",
+    justifyItems: "end",
+    alignContent: "center",
+    gap: 6,
+    minWidth: 120,
   },
-  list: {
-    margin: 0,
-    paddingLeft: 22,
-    color: "#46556e",
-    fontSize: 15,
-    lineHeight: 1.7,
+  amount: {
+    color: "#92400e",
+    fontSize: 18,
   },
-  listItem: {
-    marginBottom: 8,
+  date: {
+    color: "#64748b",
+    fontSize: 13,
   },
-  codeBlock: {
-    margin: "14px 0 0",
-    padding: 16,
-    overflowX: "auto",
+  empty: {
+    maxWidth: 1120,
+    margin: "0 auto",
+    padding: 28,
+    border: "1px solid #d9deea",
     borderRadius: 8,
-    background: "#141925",
-    color: "#eef3ff",
-    fontSize: 13,
-    lineHeight: 1.6,
+    background: "#ffffff",
   },
-  inlineCode: {
-    padding: "2px 5px",
-    borderRadius: 5,
-    background: "#eef1f6",
-    color: "#263247",
-    fontSize: "0.92em",
+  emptyTitle: {
+    margin: "0 0 8px",
+    fontSize: 22,
+    letterSpacing: 0,
   },
 };
diff --git a/src/lib/github/webhook-handler.ts b/src/lib/github/webhook-handler.ts
index 46a7c5e..99870e1 100644
--- a/src/lib/github/webhook-handler.ts
+++ b/src/lib/github/webhook-handler.ts
@@ -3,6 +3,7 @@ import { getEnv } from "@/lib/config/env";
 import { serializeError } from "@/lib/errors";
 import { parseBountyLabel } from "@/lib/github/bounty-label";
 import { createIssueComment } from "@/lib/github/client";
+import { summarizeIssueBody } from "@/lib/issues/discovery";
 import {
   bountyRegisteredMessage,
   inviteRequiredMessage,
@@ -110,6 +111,7 @@ async function handleIssueLabeled(payload: GithubWebhookPayload) {
   }
 
   const repository = await upsertRepository(payload);
+  const issueMetadata = getIssueMetadata(payload.issue);
   const bounty = await prisma.bounty.upsert({
     where: {
       repositoryId_issueNumber_labelName: {
@@ -122,11 +124,13 @@ async function handleIssueLabeled(payload: GithubWebhookPayload) {
       amount: parsed.amount,
       currency: parsed.currency,
       status: "OPEN",
+      ...issueMetadata,
     },
     create: {
       repositoryId: repository.id,
       issueNumber: payload.issue.number,
       issueNodeId: payload.issue.node_id,
+      ...issueMetadata,
       labelName: parsed.raw,
       amount: parsed.amount,
       currency: parsed.currency,
@@ -156,6 +160,23 @@ async function handleIssueLabeled(payload: GithubWebhookPayload) {
   return { bountyId: bounty.id };
 }
 
+function getIssueMetadata(issue: GithubWebhookPayload["issue"]) {
+  return {
+    issueTitle: typeof issue?.title === "string" ? issue.title : null,
+    issueUrl: typeof issue?.html_url === "string" ? issue.html_url : null,
+    issueState: typeof issue?.state === "string" ? issue.state : null,
+    issueExcerpt: summarizeIssueBody(issue?.body),
+    issueCreatedAt: dateFromGithub(issue?.created_at),
+    issueUpdatedAt: dateFromGithub(issue?.updated_at),
+  };
+}
+
+function dateFromGithub(value: unknown) {
+  if (typeof value !== "string") return null;
+  const date = new Date(value);
+  return Number.isNaN(date.getTime()) ? null : date;
+}
+
 async function handlePullRequestClosed(payload: GithubWebhookPayload) {
   const env = getEnv();
   const pullRequest = payload.pull_request;
diff --git a/src/lib/issues/discovery.ts b/src/lib/issues/discovery.ts
new file mode 100644
index 0000000..0b6dc9e
--- /dev/null
+++ b/src/lib/issues/discovery.ts
@@ -0,0 +1,94 @@
+export type IssueSort = "recent" | "top";
+export type SortOrder = "asc" | "desc";
+
+export interface DiscoveryIssue {
+  id: string;
+  title: string;
+  repository: string;
+  amount: number;
+  currency: string;
+  status: string;
+  bountyStatus: string;
+  createdAt: Date;
+  updatedAt: Date;
+  excerpt: string;
+  url: string;
+}
+
+export interface DiscoveryParams {
+  sort: IssueSort;
+  order: SortOrder;
+  minBounty: number;
+}
+
+const DEFAULT_PARAMS: DiscoveryParams = {
+  sort: "recent",
+  order: "desc",
+  minBounty: 0,
+};
+
+export function normalizeDiscoveryParams(
+  searchParams: Record<string, string | string[] | undefined>,
+): DiscoveryParams {
+  const sort = firstValue(searchParams.sort);
+  const order = firstValue(searchParams.order);
+  const minBounty = Number(firstValue(searchParams.minBounty) ?? 0);
+
+  return {
+    sort: sort === "top" ? "top" : DEFAULT_PARAMS.sort,
+    order: order === "asc" ? "asc" : DEFAULT_PARAMS.order,
+    minBounty:
+      Number.isFinite(minBounty) && minBounty > 0 ? minBounty : DEFAULT_PARAMS.minBounty,
+  };
+}
+
+export function filterAndSortIssues(
+  issues: DiscoveryIssue[],
+  params: DiscoveryParams,
+) {
+  const direction = params.order === "asc" ? 1 : -1;
+
+  return issues
+    .filter((issue) => issue.amount >= params.minBounty)
+    .sort((a, b) => {
+      if (params.sort === "top") {
+        const amountDiff = (a.amount - b.amount) * direction;
+        if (amountDiff !== 0) return amountDiff;
+      }
+
+      const dateDiff =
+        (a.updatedAt.getTime() - b.updatedAt.getTime()) * direction;
+      if (dateDiff !== 0) return dateDiff;
+
+      return a.repository.localeCompare(b.repository);
+    });
+}
+
+export function formatRewardAmount(amount: number, currency: string) {
+  const formatter = new Intl.NumberFormat("en-US", {
+    maximumFractionDigits: amount % 1 === 0 ? 0 : 6,
+  });
+
+  return `${formatter.format(amount)} ${currency}`;
+}
+
+export function summarizeIssueBody(body: unknown, maxLength = 180) {
+  if (typeof body !== "string") return "";
+
+  const normalized = body
+    .replace(/<!--[\s\S]*?-->/g, " ")
+    .replace(/```[\s\S]*?```/g, " ")
+    .replace(/`([^`]+)`/g, "$1")
+    .replace(/!\[[^\]]*\]\([^)]+\)/g, " ")
+    .replace(/\[([^\]]+)\]\([^)]+\)/g, "$1")
+    .replace(/[#>*_\-|]/g, " ")
+    .replace(/\s+/g, " ")
+    .trim();
+
+  if (normalized.length <= maxLength) return normalized;
+  return `${normalized.slice(0, maxLength - 1).trim()}...`;
+}
+
+function firstValue(value: string | string[] | undefined) {
+  return Array.isArray(value) ? value[0] : value;
+}
diff --git a/tests/discovery.test.ts b/tests/discovery.test.ts
new file mode 100644
index 0000000..b621c11
--- /dev/null
+++ b/tests/discovery.test.ts
@@ -0,0 +1,110 @@
+import assert from "node:assert/strict";
+import { describe, it } from "node:test";
+import {
+  filterAndSortIssues,
+  normalizeDiscoveryParams,
+  summarizeIssueBody,
+} from "../src/lib/issues/discovery.ts";
+
+const baseIssue = {
+  id: "issue-1",
+  title: "Add dashboard",
+  repository: "pvium/github-app",
+  currency: "USDC",
+  status: "open",
+  bountyStatus: "OPEN",
+  excerpt: "Build a dashboard.",
+  url: "https://github.com/pvium/github-app/issues/1",
+};
+
+describe("normalizeDiscoveryParams", () => {
+  it("keeps invalid controls on safe defaults", () => {
+    assert.deepEqual(
+      normalizeDiscoveryParams({
+        sort: "unknown",
+        order: "sideways",
+        minBounty: "-20",
+      }),
+      {
+        sort: "recent",
+        order: "desc",
+        minBounty: 0,
+      },
+    );
+  });
+
+  it("accepts top sorting, ascending order, and a positive minimum bounty", () => {
+    assert.deepEqual(
+      normalizeDiscoveryParams({
+        sort: "top",
+        order: "asc",
+        minBounty: "25",
+      }),
+      {
+        sort: "top",
+        order: "asc",
+        minBounty: 25,
+      },
+    );
+  });
+});
+
+describe("filterAndSortIssues", () => {
+  const issues = [
+    {
+      ...baseIssue,
+      id: "low-new",
+      amount: 10,
+      createdAt: new Date("2026-05-20T00:00:00Z"),
+      updatedAt: new Date("2026-05-27T00:00:00Z"),
+    },
+    {
+      ...baseIssue,
+      id: "high-old",
+      amount: 100,
+      createdAt: new Date("2026-05-18T00:00:00Z"),
+      updatedAt: new Date("2026-05-22T00:00:00Z"),
+    },
+    {
+      ...baseIssue,
+      id: "mid",
+      amount: 50,
+      createdAt: new Date("2026-05-19T00:00:00Z"),
+      updatedAt: new Date("2026-05-25T00:00:00Z"),
+    },
+  ];
+
+  it("filters by minimum bounty and sorts recent issues first", () => {
+    assert.deepEqual(
+      filterAndSortIssues(issues, {
+        sort: "recent",
+        order: "desc",
+        minBounty: 25,
+      }).map((issue) => issue.id),
+      ["mid", "high-old"],
+    );
+  });
+
+  it("sorts top issues by highest payout first", () => {
+    assert.deepEqual(
+      filterAndSortIssues(issues, {
+        sort: "top",
+        order: "desc",
+        minBounty: 0,
+      }).map((issue) => issue.id),
+      ["high-old", "mid", "low-new"],
+    );
+  });
+});
+
+describe("summarizeIssueBody", () => {
+  it("removes markdown noise and truncates long issue bodies", () => {
+    assert.equal(
+      summarizeIssueBody(
+        "# Title\n\nAdd **recent** [issues](https://example.com) to the page with enough details for discovery.",
+        48,
+      ),
+      "Title Add recent issues to the page with enough...",
+    );
+  });
+});