feat: Add render/gemini implementation (#243)

- Create render/gemini.sh with Render CLI provisioning
- Install Gemini CLI via npm on Render service
- Inject OpenRouter credentials via OPENAI_BASE_URL and GEMINI_API_KEY
- Update manifest.json matrix entry to "implemented"
- Update render/README.md with Gemini usage instructions

Agent: gap-filler

Co-authored-by: B <6723574+louisgv@users.noreply.github.com>
Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>

manifest.json

@@ -1037,7 +1037,7 @@
     "render/goose": "missing",
     "render/codex": "implemented",
     "render/interpreter": "implemented",
-    "render/gemini": "missing",
+    "render/gemini": "implemented",
     "render/amazonq": "missing",
     "render/cline": "missing",
     "render/gptme": "missing",

render/README.md

@@ -73,6 +73,14 @@ bash <(curl -fsSL https://raw.githubusercontent.com/OpenRouterTeam/spawn/main/re
 
 Deploys Open Interpreter with OpenRouter integration via OPENAI_BASE_URL override.
 
+### Gemini CLI
+
+```bash
+bash <(curl -fsSL https://raw.githubusercontent.com/OpenRouterTeam/spawn/main/render/gemini.sh)
+```
+
+Deploys Gemini CLI with OpenRouter integration via OPENAI_BASE_URL and GEMINI_API_KEY override.
+
 ## Service Details
 
 - **Plan**: Starter (can be configured)

render/gemini.sh

@@ -0,0 +1,65 @@
+#!/bin/bash
+set -eo pipefail
+
+# Source common functions - try local file first, fall back to remote
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" 2>/dev/null && pwd)"
+if [[ -f "$SCRIPT_DIR/lib/common.sh" ]]; then
+    source "$SCRIPT_DIR/lib/common.sh"
+else
+    eval "$(curl -fsSL https://raw.githubusercontent.com/OpenRouterTeam/spawn/main/render/lib/common.sh)"
+fi
+
+log_info "Gemini CLI on Render"
+echo ""
+
+# 1. Ensure Render CLI and API key
+ensure_render_cli
+ensure_render_api_key
+
+# 2. Create service
+SERVER_NAME=$(get_server_name)
+create_server "$SERVER_NAME"
+
+# 3. Wait for service readiness
+wait_for_cloud_init
+
+# 4. Install Node.js and Gemini CLI
+log_warn "Installing Gemini CLI..."
+run_server "curl -fsSL https://deb.nodesource.com/setup_lts.x | bash - && apt-get install -y nodejs"
+run_server "npm install -g @google/gemini-cli"
+
+# Verify installation
+if ! run_server "command -v gemini" >/dev/null 2>&1; then
+    log_error "Gemini CLI installation failed"
+    exit 1
+fi
+log_info "Gemini CLI installed"
+
+# 5. Get OpenRouter API key
+echo ""
+if [[ -n "${OPENROUTER_API_KEY:-}" ]]; then
+    log_info "Using OpenRouter API key from environment"
+else
+    OPENROUTER_API_KEY=$(get_openrouter_api_key_oauth 5180)
+fi
+
+# 6. Inject environment variables
+log_warn "Setting up environment variables..."
+
+inject_env_vars \
+    "OPENROUTER_API_KEY=${OPENROUTER_API_KEY}" \
+    "GEMINI_API_KEY=${OPENROUTER_API_KEY}" \
+    "OPENAI_API_KEY=${OPENROUTER_API_KEY}" \
+    "OPENAI_BASE_URL=https://openrouter.ai/api/v1" \
+    "PATH=\$HOME/.npm-global/bin:\$PATH"
+
+echo ""
+log_info "Render service setup completed successfully!"
+log_info "Service: $RENDER_SERVICE_NAME (ID: $RENDER_SERVICE_ID)"
+echo ""
+
+# 7. Start Gemini interactively
+log_warn "Starting Gemini..."
+sleep 1
+clear
+interactive_session "source /root/.bashrc && gemini"