Simplify README and add Makefile targets for dev and setup-infra

Author: oadultradeepfield

Makefile

@@ -1,4 +1,4 @@
-.PHONY: check fmt test clean deps setup-hooks
+.PHONY: check fmt test clean deps setup-hooks dev setup-infra
 
 check:
 	uv run ruff check .
@@ -20,3 +20,9 @@ setup-hooks:
 	cp scripts/githooks/pre-commit .git/hooks/pre-commit
 	chmod +x .git/hooks/pre-commit
 	@echo "Git hooks installed."
+
+dev:
+	./scripts/dev.sh
+
+setup-infra:
+	./scripts/setup_infra.sh $(PROJECT_ID)

README.md

@@ -12,7 +12,7 @@
   <a href="https://github.com/oadultradeepfield/gemini-live-agent-challenge-backend/stargazers">
     <img src="https://img.shields.io/github/stars/oadultradeepfield/gemini-live-agent-challenge-backend" alt="stars" />
   </a>
-  <a href="https://github.com/oadultradeepfield/gemini-live-agent-challenge-backend/blob/main/LICENSE">
+  <a href="LICENSE">
     <img src="https://img.shields.io/github/license/oadultradeepfield/gemini-live-agent-challenge-backend.svg" alt="license" />
   </a>
 </p>
@@ -151,13 +151,7 @@ To run this project, create a `.env` file based on `.env.example`:
 
 ### Prerequisites
 
-This project uses `uv` for package management:
-
-```bash
-curl -LsSf https://astral.sh/uv/install.sh | sh
-```
-
-Docker is optional for containerized development.
+This project uses `uv` for package management. See the [Makefile](Makefile) for available commands.
 
 ### Installation
 
@@ -168,41 +162,21 @@ git clone https://github.com/oadultradeepfield/gemini-live-agent-challenge-backe
 cd gemini-live-agent-challenge-backend
 ```
 
-2. Set up environment variables:
-
-```bash
-# For local development with API key
-export GOOGLE_API_KEY=your-api-key-here
-export GOOGLE_GENAI_USE_VERTEXAI=FALSE
-```
+2. Set up environment variables from `.env.example`
 
 3. Run the development server:
 
 ```bash
-./scripts/dev.sh
-```
-
-Or with Docker Compose:
-
-```bash
-docker compose up --build
+make dev
 ```
 
 The WebSocket endpoint will be available at `ws://localhost:8080/ws/{device_id}`.
 
 ### Running Tests
 
 ```bash
-# Run linting and type checks
-make check
-
-# Run test suite
-make test
-
-# Run integration tests (requires Firestore emulator)
-gcloud emulators firestore start --host-port=localhost:8081 &
-export FIRESTORE_EMULATOR_HOST=localhost:8081
-make test
+make check    # Run linting and type checks
+make test     # Run test suite
 ```
 
 ## Deployment
@@ -212,7 +186,7 @@ make test
 Run the setup script to create required GCP resources:
 
 ```bash
-./scripts/setup_infra.sh your-project-id
+make setup-infra PROJECT_ID=your-project-id
 ```
 
 This creates:
@@ -235,4 +209,4 @@ This creates:
 
 ## License
 
-Distributed under the MIT License. See `LICENSE` for more information.
+Distributed under the MIT License. See [LICENSE](LICENSE) for more information.