refactor: simplify server and bridge

Flatten the server into a minimal Bun app, replace the TypeScript bridge with the Go bridge, move served assets under static, and tighten command execution behavior with tests.

Author: bgwastu

.github/workflows/ci.yml

@@ -24,21 +24,26 @@ jobs:
         with:
           bun-version: latest
 
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ">=1.22.0"
+
       - name: Install dependencies
         run: bun install
 
       - name: Typecheck
         run: bun run typecheck
 
-      - name: Build bridge binaries
+      - name: Build bridge binaries (Go cross-compile)
         if: runner.os != 'Windows'
         run: bun run build
 
       - name: Build Windows bridge binary
         if: runner.os == 'Windows'
-        run: bun run build:bridge
+        run: bun run build
         env:
-          BUILD_TARGETS: bun-windows-x64
+          BUILD_TARGETS: windows_amd64
 
       - name: Run tests
         run: bun test

Dockerfile

@@ -1,15 +1,14 @@
-FROM oven/bun:1 AS builder
+FROM golang:1.23-bookworm AS bridgebuilder
 WORKDIR /app
-COPY package.json tsconfig.json ./
-COPY server ./server
+COPY scripts/build-bridge.sh scripts/
 COPY bridge ./bridge
-RUN bun run build:bridge
+RUN sh scripts/build-bridge.sh
 
 FROM oven/bun:1-slim
 WORKDIR /app
 COPY package.json tsconfig.json ./
 COPY server ./server
 RUN mkdir -p public/bin
-COPY --from=builder /app/public/bin /app/public/bin
+COPY --from=bridgebuilder /app/public/bin /app/public/bin
 EXPOSE 8765
-CMD ["bun", "run", "server/src/index.ts"]
+CMD ["bun", "run", "server/index.ts"]

README.md

@@ -1,16 +1,5 @@
-**Connect Your Agent (CYA)**
+# CYA
 
-Temporary shell access for AI agents.
+AI agent shell relay. **Dev:** `bun install && bun dev` (needs **Go ≥ 1.22** so the bridge binaries can compile into `public/bin/`).
 
-**Run locally (Docker):**
-
-```sh
-docker build -t cya . && docker run --rm -p 8765:8765 -e BASE_URL=http://localhost:8765 cya
-```
-
-**Development:**
-
-```sh
-bun install
-bun dev
-```
+**Docker:** `docker build -t cya . && docker run --rm -p 8765:8765 -e BASE_URL=http://localhost:8765 cya`

bridge/agent.ts

@@ -0,0 +1,5 @@
+module github.com/bgwastu/cya/bridge
+
+go 1.22.0
+
+require github.com/gorilla/websocket v1.5.3

bridge/build.ts

@@ -0,0 +1,2 @@
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=