feat: add unified agents API and remove salesAgents

[nastassiafulconis]

Summary

• Add unified agents resource supporting both SALES and OUTCOME agent types
• Remove deprecated salesAgents resource
• Add JWT authentication support
• Update simple-media-agent to use new agents API
• Update documentation to use 'Agent' instead of 'Sales Agent'
• Add publishConfig for npm publishing
• Update schemas from merged outcomes-agent-registration branch

Changes

New Features

• ✅ Created src/resources/agents.ts with support for:
  • AgentType: SALES, OUTCOME
  • AgentStatus: PENDING, ACTIVE, DISABLED
  • AgentRelationship: SELF, SCOPE3, MARKETPLACE
  • JWT authentication alongside API_KEY, OAUTH, NO_AUTH
  • Methods: list(), get(), register(), update(), unregister()

Removals

• ✅ Removed src/resources/sales-agents.ts
• ✅ Removed salesAgents from SDK exports

Updates

• ✅ Updated simple-media-agent to use agents.list({ type: 'SALES' })
• ✅ Updated all documentation (README.md, TESTING.md, SIMPLE_MEDIA_AGENT.md)
• ✅ Updated OpenAPI schemas from agentic-api
• ✅ Added publishConfig: { "access": "public" } to fix npm publishing

Testing

• ✅ All tests passing (9/9)
• ✅ Build succeeds
• ✅ Type-check passes
• ✅ Format check passes
• ✅ npm publish dry-run succeeds

Breaking Changes

⚠️ This removes the salesAgents resource. Users should migrate to agents.list({ type: 'SALES' }).

🤖 Generated with Claude Code

[youbek]

lgtm