fix(dispatch): resolve plugin namespace parsing, template substitution, and discovery duplication

src/tools/slashcommand/command-output-formatter.test.ts

@@ -0,0 +1,28 @@
+import { describe, expect, it } from "bun:test"
+import { formatLoadedCommand } from "./command-output-formatter"
+import type { CommandInfo } from "./types"
+
+describe("command output formatter", () => {
+  describe("#given command template includes argument placeholders", () => {
+    it("#then replaces both placeholder forms", async () => {
+      // given
+      const command: CommandInfo = {
+        name: "daplug:templated",
+        metadata: {
+          name: "daplug:templated",
+          description: "Templated plugin command",
+        },
+        content: "Echo $ARGUMENTS and ${user_message}.",
+        scope: "plugin",
+      }
+
+      // when
+      const output = await formatLoadedCommand(command, "ship it")
+
+      // then
+      expect(output).toContain("Echo ship it and ship it.")
+      expect(output).not.toContain("$ARGUMENTS")
+      expect(output).not.toContain("${user_message}")
+    })
+  })
+})