feat(repository-plugin): load trusted package code

apps/cli/tests/fixtures/github-repository-plugin/.dsh-plugin/src/mcp-server.ts

@@ -0,0 +1,19 @@
+import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'
+import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js'
+
+// The repository root's linter cannot resolve this independently installed
+// Git-package dependency; the package's prepack tsc validates the SDK types.
+/* oxlint-disable typescript/no-unsafe-assignment, typescript/no-unsafe-call, typescript/no-unsafe-member-access */
+const server = new McpServer({
+  name: 'github-repository-plugin-e2e',
+  version: '0.0.0',
+})
+
+server.registerTool('proof', {
+  description: 'Proves that an MCP server compiled from the exact GitHub repository package is active.',
+  inputSchema: {},
+}, async () => ({
+  content: [{ type: 'text', text: 'MCP_FROM_GITHUB_REPOSITORY' }],
+}))
+
+await server.connect(new StdioServerTransport())

apps/cli/tests/fixtures/github-repository-plugin/.dsh-plugin/src/plugin.ts

@@ -0,0 +1,59 @@
+import type { Context } from 'cordis'
+
+const PROOF_TOOL_NAME = 'mcp__github_repository__proof'
+
+interface TextBlock {
+  readonly type: 'text'
+  readonly text: string
+}
+
+interface ToolExecution {
+  readonly name: string
+}
+
+interface ToolResult {
+  readonly isError: boolean
+  readonly content: readonly TextBlock[]
+}
+
+type PostDecision =
+  | { readonly kind: 'accept'; readonly content?: readonly TextBlock[]; readonly value?: unknown; readonly additionalContexts?: readonly unknown[] }
+  | { readonly kind: 'block'; readonly feedback: readonly TextBlock[] }
+
+type PostListener = (
+  execution: ToolExecution,
+  result: ToolResult,
+  next: () => Promise<PostDecision>,
+) => Promise<PostDecision>
+
+type DshContext = Context & {
+  on(event: 'tools/post-execute', listener: PostListener): () => void
+}
+
+/** Cordis plugin name used by the repository acceptance fixture. */
+export const name = 'github-repository-typescript-proof'
+
+/** DSH tool registry required by the post-execute contribution. */
+export const inject = ['tools']
+
+/**
+ * Append a marker after the repository MCP proof tool succeeds.
+ * @param ctx - trusted DSH Cordis context supplied to the repository package.
+ */
+export function apply(ctx: Context): void {
+  const dsh = ctx as DshContext
+  dsh.on('tools/post-execute', async (execution, result, next): Promise<PostDecision> => {
+    const decision = await next()
+    if (execution.name !== PROOF_TOOL_NAME || result.isError || decision.kind !== 'accept' || Object.hasOwn(decision, 'value')) {
+      return decision
+    }
+    return {
+      kind: 'accept',
+      content: [
+        ...(decision.content ?? result.content),
+        { type: 'text', text: 'TS_PLUGIN_FROM_GITHUB_REPOSITORY' },
+      ],
+      ...decision.additionalContexts === undefined ? {} : { additionalContexts: decision.additionalContexts },
+    }
+  })
+}