ci: add github branch CI workflow and integration tests for acp-nats and trogon-nats

- Add .github/workflows/ci-github-branch.yml: lint, unit tests, and
  integration tests (trogon-nats, acp-nats, trogon-github) on push/PR
  to github branch
- Add integration test suite for trogon-nats (nats_integration.rs)
- Add integration test suite for acp-nats Bridge (bridge_integration.rs)
- Add testcontainers and related dev-dependencies to acp-nats and trogon-nats

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: jramirezhdez02

.github/workflows/ci-github-branch.yml

@@ -0,0 +1,62 @@
+name: CI — github branch
+
+on:
+  push:
+    branches: [github]
+  pull_request:
+    branches: [github]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  unit-tests:
+    name: Lint + Unit tests
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: rsworkspace
+
+    steps:
+      - uses: actions/checkout@v4.3.1
+
+      - name: Install Rust components
+        run: rustup component add rustfmt clippy
+
+      - name: Cache dependencies
+        uses: Swatinem/rust-cache@v2.8.2
+        with:
+          workspaces: rsworkspace -> target
+
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+
+      - name: Clippy
+        run: cargo clippy --all-targets --all-features
+
+      - name: Unit tests
+        run: cargo test --workspace --lib
+
+  integration-tests:
+    name: Integration tests (Docker)
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: rsworkspace
+
+    steps:
+      - uses: actions/checkout@v4.3.1
+
+      - name: Cache dependencies
+        uses: Swatinem/rust-cache@v2.8.2
+        with:
+          workspaces: rsworkspace -> target
+
+      - name: Integration — trogon-nats
+        run: cargo test -p trogon-nats --test nats_integration
+
+      - name: Integration — acp-nats (Bridge)
+        run: cargo test -p acp-nats --test bridge_integration
+
+      - name: Integration — trogon-github (webhook e2e)
+        run: cargo test -p trogon-github --test webhook_e2e

rsworkspace/crates/acp-nats/Cargo.toml

@@ -20,6 +20,11 @@ trogon-nats = { path = "../trogon-nats" }
 trogon-std = { path = "../trogon-std" }
 
 [dev-dependencies]
+agent-client-protocol = "0.9.4"
+futures-util = "0.3"
+opentelemetry = "0.31.0"
 opentelemetry_sdk = { version = "0.31.0", features = ["rt-tokio", "metrics", "testing"] }
+testcontainers-modules = { version = "0.8", features = ["nats"] }
+tokio = { version = "1.49.0", features = ["full"] }
 trogon-nats = { path = "../trogon-nats", features = ["test-support"] }
 trogon-std = { path = "../trogon-std", features = ["test-support"] }