feat: offer local plugin install in git checkouts

src/commands/onboarding/plugin-install.test.ts

@@ -79,7 +79,10 @@ describe("ensureOnboardingPluginInstalled", () => {
       select: vi.fn(async () => "local") as WizardPrompter["select"],
     });
     const cfg: ClawdbotConfig = {};
-    vi.mocked(fs.existsSync).mockReturnValue(true);
+    vi.mocked(fs.existsSync).mockImplementation((value) => {
+      const raw = String(value);
+      return raw.endsWith(`${path.sep}.git`) || raw.endsWith(`${path.sep}extensions${path.sep}zalo`);
+    });
 
     const result = await ensureOnboardingPluginInstalled({
       cfg,
@@ -104,7 +107,10 @@ describe("ensureOnboardingPluginInstalled", () => {
       confirm,
     });
     const cfg: ClawdbotConfig = {};
-    vi.mocked(fs.existsSync).mockReturnValue(true);
+    vi.mocked(fs.existsSync).mockImplementation((value) => {
+      const raw = String(value);
+      return raw.endsWith(`${path.sep}.git`) || raw.endsWith(`${path.sep}extensions${path.sep}zalo`);
+    });
     installPluginFromNpmSpec.mockResolvedValue({
       ok: false,
       error: "nope",

src/commands/onboarding/plugin-install.ts

@@ -16,7 +16,24 @@ type InstallResult = {
   installed: boolean;
 };
 
-function resolveLocalPath(entry: ChannelPluginCatalogEntry, workspaceDir?: string): string | null {
+function hasGitWorkspace(workspaceDir?: string): boolean {
+  const candidates = new Set<string>();
+  candidates.add(path.join(process.cwd(), ".git"));
+  if (workspaceDir && workspaceDir !== process.cwd()) {
+    candidates.add(path.join(workspaceDir, ".git"));
+  }
+  for (const candidate of candidates) {
+    if (fs.existsSync(candidate)) return true;
+  }
+  return false;
+}
+
+function resolveLocalPath(
+  entry: ChannelPluginCatalogEntry,
+  workspaceDir: string | undefined,
+  allowLocal: boolean,
+): string | null {
+  if (!allowLocal) return null;
   const raw = entry.install.localPath?.trim();
   if (!raw) return null;
   const candidates = new Set<string>();
@@ -113,7 +130,8 @@ export async function ensureOnboardingPluginInstalled(params: {
 }): Promise<InstallResult> {
   const { entry, prompter, runtime, workspaceDir } = params;
   let next = params.cfg;
-  const localPath = resolveLocalPath(entry, workspaceDir);
+  const allowLocal = hasGitWorkspace(workspaceDir);
+  const localPath = resolveLocalPath(entry, workspaceDir, allowLocal);
   const choice = await promptInstallChoice({
     entry,
     localPath,