chore(prompts-core): wire markdown prompt packaging

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

bun.lock

@@ -31,6 +31,7 @@
         "@oh-my-opencode/comment-checker-core": "workspace:*",
         "@oh-my-opencode/hashline-core": "workspace:*",
         "@oh-my-opencode/model-core": "workspace:*",
+        "@oh-my-opencode/prompts-core": "workspace:*",
         "@oh-my-opencode/rules-engine": "workspace:*",
         "@oh-my-opencode/utils": "workspace:*",
         "@types/js-yaml": "^4.0.9",

package.json

@@ -101,6 +101,7 @@
     "@oh-my-opencode/comment-checker-core": "workspace:*",
     "@oh-my-opencode/hashline-core": "workspace:*",
     "@oh-my-opencode/model-core": "workspace:*",
+    "@oh-my-opencode/prompts-core": "workspace:*",
     "@oh-my-opencode/rules-engine": "workspace:*",
     "@oh-my-opencode/utils": "workspace:*",
     "@typescript/native-preview": "7.0.0-dev.20260518.1",

packages/prompts-core/src/markdown.d.ts

@@ -0,0 +1,4 @@
+declare module "*.md" {
+  const markdown: string
+  export default markdown
+}

src/markdown.d.ts

@@ -0,0 +1,4 @@
+declare module "*.md" {
+  const markdown: string
+  export default markdown
+}