fix: strip frontmatter from injected skill content and share parser from src

src/index.ts

@@ -2,6 +2,7 @@ import { existsSync, readFileSync } from "node:fs"
 import path from "node:path"
 import { Plugin, Skill } from "@opencode/plugin"
 import { blockedPattern, guardrailError, isShellTool, resolveOptions } from "./guardrails.ts"
+import { parseFrontmatter } from "./frontmatter.ts"
 import { loadManifest, packageRoot, packageVersion, skillFile } from "./manifest.ts"
 
 const AGENT_IDS = ["pocock", "pocock-worker", "pocock-reviewer"] as const
@@ -22,6 +23,9 @@ export default Plugin.define({
     await ctx.skill.transform((editor) => {
       for (const entry of entries) {
         const file = skillFile(entry)
+        // File-based skill loading strips frontmatter from content (core skill.ts uses
+        // markdown.content); match that so injected skills read identically.
+        const content = parseFrontmatter(readFileSync(file, "utf8")).body.trim()
         // Brand types (Skill.ID/Name/AbsolutePath) are nominal-only; runtime values are plain
         // strings, asserted by test/plugin.test.ts and the serve-based smoke run.
         editor.add({
@@ -30,7 +34,7 @@ export default Plugin.define({
           description: entry.description,
           autoinvoke: entry.autoinvoke,
           path: file,
-          content: readFileSync(file, "utf8"),
+          content,
         } as unknown as Skill.Info)
       }
     })
@@ -56,7 +60,9 @@ export default Plugin.define({
       const want = packageVersion()
       const initCmd = "npx @haylan/opencode-pocock init"
       if (!AGENT_IDS.some((id) => ids.has(id))) {
-        console.warn(`pocock: skills loaded, but the pocock agents are not installed — run: ${initCmd}`)
+        console.warn(
+          `pocock: skills loaded, but the pocock agents are not installed — run: ${initCmd}`,
+        )
       } else if (have !== want) {
         console.warn(
           `pocock: installed agents are ${have ? `from v${have}` : "unversioned"}, package is v${want} — refresh: ${initCmd}`,