feat(extensions): extension platform — host user-authored apps inside Agent Code

.github/workflows/ci.yml

@@ -54,7 +54,11 @@ jobs:
       - name: Install dependencies
         # --include=dev guards the NODE_ENV=production trap: a production
         # install strips electron-vite/vitest and every gate below with it.
-        run: npm ci --include=dev
+        run: |
+          npm ci --include=dev
+          # Electron 43 downloads lazily on first import. Keep that network
+          # activity in dependency setup, before the offline system tests.
+          node node_modules/electron/install.js
 
       - name: Validate testing contract
         run: npm run test:contract

.github/workflows/release.yml

@@ -92,7 +92,7 @@ jobs:
           fi
 
           # WHY no hard-fail when both secrets are absent: every submodule
-          # repo (the five Juliusolsson05 packages/* repos and openai/codex)
+          # repo (every Juliusolsson05 packages/* repo and openai/codex)
           # is PUBLIC, so the plain HTTPS URLs in .gitmodules clone fine
           # anonymously. The exit-1 here predated the repos going public and
           # contradicted README.md's "no special access needed" (#506
@@ -198,7 +198,7 @@ jobs:
           fi
 
           # WHY no hard-fail when both secrets are absent: every submodule
-          # repo (the five Juliusolsson05 packages/* repos and openai/codex)
+          # repo (every Juliusolsson05 packages/* repo and openai/codex)
           # is PUBLIC, so the plain HTTPS URLs in .gitmodules clone fine
           # anonymously. The exit-1 here predated the repos going public and
           # contradicted README.md's "no special access needed" (#506

.gitmodules

@@ -19,6 +19,9 @@
 [submodule "packages/workflow-mcp"]
 	path = packages/workflow-mcp
 	url = https://github.com/Juliusolsson05/workflow-mcp.git
+[submodule "packages/agent-code-extension-api"]
+	path = packages/agent-code-extension-api
+	url = https://github.com/Juliusolsson05/agent-code-extension-api.git
 [submodule "packages/opencode-terminal-headless"]
 	path = packages/opencode-terminal-headless
 	url = https://github.com/Juliusolsson05/opencode-terminal-headless.git