diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 13c82144..98abed04 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,6 +26,17 @@ jobs:
       - name: TypeScript typecheck
         run: bun run typecheck
 
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install skills-ref (required by bun run validate for tier-1 spec checks)
+        run: |
+          pip install click strictyaml
+          echo "skills-ref==0.1.1 --hash=sha256:d35db5bb8de71ae301daf5ca9cb71f8a555e8c6f83a6d40e46a5bc09f8f461b5" > /tmp/skills-ref-req.txt
+          pip install --no-deps --require-hashes -r /tmp/skills-ref-req.txt
+
       - name: Validate skill frontmatter
         run: bun run validate
 
diff --git a/aibtc-news/aibtc-news.ts b/aibtc-news/aibtc-news.ts
index a9f78b2e..500357b8 100644
--- a/aibtc-news/aibtc-news.ts
+++ b/aibtc-news/aibtc-news.ts
@@ -354,13 +354,14 @@ program
 
         const body: Record<string, unknown> = {
           beat_slug: opts.beatId,
+          btc_address: headers["X-BTC-Address"],
           content: opts.content,
         };
 
         if (opts.headline) body.headline = opts.headline;
         if (sources.length > 0) body.sources = sources;
         if (tags.length > 0) body.tags = tags;
-        if (disclosure !== undefined) body.disclosure = disclosure;
+        if (disclosure !== undefined) body.disclosure = typeof disclosure === "string" ? disclosure : JSON.stringify(disclosure);
 
         // Step 1: POST with auth headers — may return 200 (free) or 402 (x402 payment required)
         const signalsUrl = `${NEWS_API_BASE}/signals`;
@@ -413,7 +414,7 @@ program
         const { getStacksNetwork } = await import("../src/lib/config/networks.js");
         const { createFungiblePostCondition } = await import("../src/lib/transactions/post-conditions.js");
         const { getHiroApi } = await import("../src/lib/services/hiro-api.js");
-        const { getAccount } = await import("../src/lib/services/wallet-manager.js");
+        const { getAccount } = await import("../src/lib/services/x402.service.js");
 
         const paymentRequired = decodePaymentRequired(paymentHeader);
         if (!paymentRequired?.accepts?.length) {
@@ -645,6 +646,8 @@ program
 
       const body: Record<string, unknown> = {
         beat_slug: opts.beatId,
+        slug: opts.beatId,
+        created_by: headers["X-BTC-Address"],
       };
 
       if (opts.name) body.name = opts.name;
diff --git a/package.json b/package.json
index 01c66c7e..655c8603 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Claude Code skills for Bitcoin/Stacks blockchain operations — flat SKILL.md + colocated TypeScript CLI scripts.",
   "type": "module",
   "scripts": {
-    "build": "bun build src/lib/index.ts --outdir dist",
+    "build": "bun build src/lib/index.ts --outdir dist --target bun",
     "typecheck": "tsc --noEmit",
     "manifest": "bun run scripts/generate-manifest.ts",
     "validate": "bun run scripts/validate-frontmatter.ts",
diff --git a/scripts/validate-frontmatter.ts b/scripts/validate-frontmatter.ts
index 210e5ebc..66448ed8 100644
--- a/scripts/validate-frontmatter.ts
+++ b/scripts/validate-frontmatter.ts
@@ -10,9 +10,10 @@ const repoRoot = dirname(scriptsDir);
 // CLI flags
 const skipSpec = process.argv.includes("--skip-spec");
 
-// Find the skills-ref binary: prefer local venv, fall back to PATH
+// Find the agentskills binary: prefer local venv, fall back to PATH
+// Note: skills-ref PyPI package >= 0.1.1 installs the CLI as `agentskills` (renamed from `skills-ref`)
 async function findSkillsRef(): Promise<string | null> {
-  const localBin = join(repoRoot, ".venv-skills-ref/bin/skills-ref");
+  const localBin = join(repoRoot, ".venv-skills-ref/bin/agentskills");
   try {
     const stat = await Bun.file(localBin).stat();
     if (stat.size > 0) return localBin;
@@ -20,8 +21,8 @@ async function findSkillsRef(): Promise<string | null> {
     // not found locally
   }
   // Fall back to PATH (cross-platform)
-  const pathResult = Bun.which("skills-ref");
-  if (pathResult) return "skills-ref";
+  const pathResult = Bun.which("agentskills");
+  if (pathResult) return "agentskills";
   return null;
 }
 
@@ -145,7 +146,7 @@ if (!skipSpec) {
   skillsRefBin = await findSkillsRef();
   if (skillsRefBin === null) {
     process.stderr.write(
-      "WARNING: skills-ref not found. Skipping tier-1 spec validation. Install with: pip install skills-ref\n"
+      "WARNING: agentskills not found. Skipping tier-1 spec validation. Install with: pip install skills-ref\n"
     );
   }
 }
@@ -153,7 +154,7 @@ if (!skipSpec) {
 // Print active tiers
 const tier1Active = !skipSpec && skillsRefBin !== null;
 console.log(
-  `Validation tiers: ${tier1Active ? "[tier-1: skills-ref]" : "[tier-1: SKIPPED]"} [tier-2: Zod]`
+  `Validation tiers: ${tier1Active ? "[tier-1: agentskills]" : "[tier-1: SKIPPED]"} [tier-2: Zod]`
 );
 console.log("");