feat: phase 3 batch 2 - wire CLI to agents with provider integration

[arpayidcloud-byte]

Phase 3 Batch 2: CLI to Agent Integration

Changes

1. CLI Submit - Agent Role Assignment

• Add --role flag to submit command
• Default role: coder
• task.assignedAgentRole now set on task creation

2. Runtime - Provider & Agent Registry

• Create ProviderRegistry with AnthropicProvider
• Create AgentRegistry with 4 core agents
• Wire AgentRegistry to Scheduler
• Agents receive shared ProviderRegistry

3. Provider SDK Exports

• Export CredentialResolver from provider-sdk
• Export ProviderFactory from provider-sdk

4. Test Updates

• Update CLI tests for new submit behavior
• Tests pass with missing API key (graceful fallback)

Testing

• Local typecheck passed (52/52)
• Local lint passed (warnings only)
• Local build passed (42/42)
• Local test passed (85/85)

Next

Phase 3 Batch 3: Tool calling support and end-to-end testing

[chatgpt-codex-connector]

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