feat(extension): transport-layer plumbing — cliResolver + canopyCli + stateReader

vscode-extension/jest.config.ts

@@ -0,0 +1,22 @@
+import type { Config } from "jest";
+
+const config: Config = {
+  preset: "ts-jest",
+  testEnvironment: "node",
+  roots: ["<rootDir>/src"],
+  testMatch: ["**/*.test.ts"],
+  // Mock the `vscode` module across all tests — extension code can `import
+  // * as vscode from "vscode"` and tests get the stub from src/__mocks__/vscode.ts.
+  moduleNameMapper: {
+    "^vscode$": "<rootDir>/src/__mocks__/vscode.ts",
+  },
+  // Quiet output by default; pass --verbose for the per-test view.
+  reporters: ["jest-silent-reporter"],
+  // ts-jest is fast enough to skip incremental builds — keeps test runs
+  // deterministic.
+  transform: {
+    "^.+\\.tsx?$": ["ts-jest", { isolatedModules: true }],
+  },
+};
+
+export default config;