feat: Add WebRTC signaling and peer connection support

apps/testing/webrtc-test/.agents/agentuity/sdk/agent/AGENTS.md

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+# Agents Folder Guide
+
+This folder contains AI agents for your Agentuity application. Each agent is organized in its own subdirectory.
+
+## Generated Types
+
+The `src/generated/` folder contains auto-generated TypeScript files:
+
+- `registry.ts` - Agent registry with strongly-typed agent definitions and schema types
+- `routes.ts` - Route registry for API, WebSocket, and SSE endpoints
+- `app.ts` - Application entry point (regenerated on every build)
+
+**Important:** Never edit files in `src/generated/` - they are overwritten on every build.
+
+Import generated types in your agents:
+
+```typescript
+import type { HelloInput, HelloOutput } from '../generated/registry';
+```
+
+## Directory Structure
+
+Each agent folder must contain:
+
+- **agent.ts** (required) - Agent definition with schema and handler
+
+Example structure:
+
+```
+src/agent/
+├── hello/
+│   └── agent.ts
+├── process-data/
+│   └── agent.ts
+└── (generated files in src/generated/)
+```
+
+**Note:** HTTP routes are defined separately in `src/api/` - see the API folder guide for details.
+
+## Creating an Agent
+
+### Basic Agent (agent.ts)
+
+```typescript
+import { createAgent } from '@agentuity/runtime';
+import { s } from '@agentuity/schema';
+
+const agent = createAgent('my-agent', {
+	description: 'What this agent does',
+	schema: {
+		input: s.object({
+			name: s.string(),
+			age: s.number(),
+		}),
+		output: s.string(),
+	},
+	handler: async (ctx, input) => {
+		// Access context: ctx.app, ctx.config, ctx.logger, ctx.kv, ctx.vector, ctx.stream
+		return `Hello, ${input.name}! You are ${input.age} years old.`;
+	},
+});
+
+export default agent;
+```
+
+### Agent with Lifecycle (setup/shutdown)
+
+```typescript
+import { createAgent } from '@agentuity/runtime';
+import { s } from '@agentuity/schema';
+
+const agent = createAgent('lifecycle-agent', {
+	description: 'Agent with setup and shutdown',
+	schema: {
+		input: s.object({ message: s.string() }),
+		output: s.object({ result: s.string() }),
+	},
+	setup: async (app) => {
+		// Initialize resources (runs once on startup)
+		// app contains: appName, version, startedAt, config
+		return {
+			agentId: `agent-${Math.random().toString(36).substr(2, 9)}`,
+			connectionPool: ['conn-1', 'conn-2'],
+		};
+	},
+	handler: async (ctx, input) => {
+		// Access setup config via ctx.config (fully typed)
+		ctx.logger.info('Agent ID:', ctx.config.agentId);
+		ctx.logger.info('Connections:', ctx.config.connectionPool);
+		return { result: `Processed: ${input.message}` };
+	},
+	shutdown: async (app, config) => {
+		// Cleanup resources (runs on shutdown)
+		console.log('Shutting down agent:', config.agentId);
+	},
+});
+
+export default agent;
+```
+
+### Agent with Event Listeners
+
+```typescript
+import { createAgent } from '@agentuity/runtime';
+import { s } from '@agentuity/schema';
+
+const agent = createAgent('event-agent', {
+	schema: {
+		input: s.object({ data: s.string() }),
+		output: s.string(),
+	},
+	handler: async (ctx, input) => {
+		return `Processed: ${input.data}`;
+	},
+});
+
+agent.addEventListener('started', (eventName, agent, ctx) => {
+	ctx.logger.info('Agent started');
+});
+
+agent.addEventListener('completed', (eventName, agent, ctx) => {
+	ctx.logger.info('Agent completed');
+});
+
+agent.addEventListener('errored', (eventName, agent, ctx, error) => {
+	ctx.logger.error('Agent errored:', error);
+});
+
+export default agent;
+```
+
+## Agent Context (ctx)
+
+The handler receives a context object with:
+
+- **ctx.app** - Application state (appName, version, startedAt, config from createApp)
+- **ctx.config** - Agent-specific config (from setup return value, fully typed)
+- **ctx.logger** - Structured logger (info, warn, error, debug, trace)
+- **ctx.tracer** - OpenTelemetry tracer for custom spans
+- **ctx.sessionId** - Unique session identifier
+- **ctx.kv** - Key-value storage
+- **ctx.vector** - Vector storage for embeddings
+- **ctx.stream** - Stream storage for real-time data
+- **ctx.state** - In-memory request-scoped state (Map)
+- **ctx.thread** - Thread information for multi-turn conversations
+- **ctx.session** - Session information
+- **ctx.waitUntil** - Schedule background tasks
+
+## Examples
+
+### Using Key-Value Storage
+
+```typescript
+handler: async (ctx, input) => {
+	await ctx.kv.set('user:123', { name: 'Alice', age: 30 });
+	const user = await ctx.kv.get('user:123');
+	await ctx.kv.delete('user:123');
+	const keys = await ctx.kv.list('user:*');
+	return user;
+};
+```
+
+### Using Vector Storage
+
+```typescript
+handler: async (ctx, input) => {
+	await ctx.vector.upsert('docs', [
+		{ id: '1', values: [0.1, 0.2, 0.3], metadata: { text: 'Hello' } },
+	]);
+	const results = await ctx.vector.query('docs', [0.1, 0.2, 0.3], { topK: 5 });
+	return results;
+};
+```
+
+### Using Streams
+
+```typescript
+handler: async (ctx, input) => {
+	const stream = await ctx.stream.create('agent-logs');
+	await ctx.stream.write(stream.id, 'Processing step 1');
+	await ctx.stream.write(stream.id, 'Processing step 2');
+	return { streamId: stream.id };
+};
+```
+
+### Background Tasks with waitUntil
+
+```typescript
+handler: async (ctx, input) => {
+	// Schedule background work that continues after response
+	ctx.waitUntil(async () => {
+		await ctx.kv.set('processed', Date.now());
+		ctx.logger.info('Background task complete');
+	});
+
+	return { status: 'processing' };
+};
+```
+
+### Calling Another Agent
+
+```typescript
+// Import the agent directly
+import otherAgent from '../other-agent/agent';
+
+handler: async (ctx, input) => {
+	const result = await otherAgent.run({ data: input.value });
+	return `Other agent returned: ${result}`;
+};
+```
+
+## Subagents (Nested Agents)
+
+Agents can have subagents organized one level deep. This is useful for grouping related functionality.
+
+### Directory Structure for Subagents
+
+```
+src/agent/
+└── team/              # Parent agent
+    ├── agent.ts       # Parent agent
+    ├── members/       # Subagent
+    │   └── agent.ts
+    └── tasks/         # Subagent
+        └── agent.ts
+```
+
+### Parent Agent
+
+```typescript
+import { createAgent } from '@agentuity/runtime';
+import { s } from '@agentuity/schema';
+
+const agent = createAgent('team', {
+	description: 'Team Manager',
+	schema: {
+		input: s.object({ action: s.union([s.literal('info'), s.literal('count')]) }),
+		output: s.object({
+			message: s.string(),
+			timestamp: s.string(),
+		}),
+	},
+	handler: async (ctx, { action }) => {
+		return {
+			message: 'Team parent agent - manages members and tasks',
+			timestamp: new Date().toISOString(),
+		};
+	},
+});
+
+export default agent;
+```
+
+### Subagent (Accessing Parent)
+
+```typescript
+import { createAgent } from '@agentuity/runtime';
+import { s } from '@agentuity/schema';
+import parentAgent from '../agent';
+
+const agent = createAgent('team.members', {
+	description: 'Members Subagent',
+	schema: {
+		input: s.object({
+			action: s.union([s.literal('list'), s.literal('add'), s.literal('remove')]),
+			name: s.optional(s.string()),
+		}),
+		output: s.object({
+			members: s.array(s.string()),
+			parentInfo: s.optional(s.string()),
+		}),
+	},
+	handler: async (ctx, { action, name }) => {
+		// Call parent agent directly
+		const parentResult = await parentAgent.run({ action: 'info' });
+		const parentInfo = `Parent says: ${parentResult.message}`;
+
+		let members = ['Alice', 'Bob'];
+		if (action === 'add' && name) {
+			members.push(name);
+		}
+
+		return { members, parentInfo };
+	},
+});
+
+export default agent;
+```
+
+### Key Points About Subagents
+
+- **One level deep**: Only one level of nesting is supported (no nested subagents)
+- **Access parent**: Import and call parent agents directly
+- **Agent names**: Subagents have dotted names like `"team.members"`
+- **Shared context**: Subagents share the same app context (kv, logger, etc.)
+
+## Rules
+
+- Each agent folder name becomes the agent's route name (e.g., `hello/` → `/agent/hello`)
+- **agent.ts** must export default the agent instance
+- The first argument to `createAgent()` is the agent name (must match folder structure)
+- Input/output schemas are enforced with @agentuity/schema validation
+- Setup return value type automatically flows to ctx.config (fully typed)
+- Use ctx.logger for logging, not console.log
+- Import agents directly to call them (recommended approach)
+- Subagents are one level deep only (team/members/, not team/members/subagent/)
+
+<!-- prompt_hash: 9a71bb6d5544990d6ab3ecdf143b3a5caad26ce2e250df3b728a8d70bbf1fbad -->