1 Commits

Author SHA1 Message Date
Allegro (Burn Mode)
29e64ef01f feat: Complete Bannerlord MCP Harness implementation (Issue #722)
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Implements the Hermes observation/control path for local Bannerlord per GamePortal Protocol.

## New Components

- nexus/bannerlord_harness.py (874 lines)
  - MCPClient for JSON-RPC communication with MCP servers
  - capture_state() → GameState with visual + Steam context
  - execute_action() → ActionResult for all input types
  - observe-decide-act loop with telemetry through Hermes WS
  - Bannerlord-specific actions (inventory, party, save/load)
  - Mock mode for testing without game running

- mcp_servers/desktop_control_server.py (14KB)
  - 13 desktop automation tools via pyautogui
  - Screenshot, mouse, keyboard control
  - Headless environment support

- mcp_servers/steam_info_server.py (18KB)
  - 6 Steam Web API tools
  - Mock mode without API key, live mode with STEAM_API_KEY

- tests/test_bannerlord_harness.py (37 tests, all passing)
  - GameState/ActionResult validation
  - Mock mode action tests
  - ODA loop tests
  - GamePortal Protocol compliance tests

- docs/BANNERLORD_HARNESS_PROOF.md
  - Architecture documentation
  - Proof of ODA loop execution
  - Telemetry flow diagrams

- examples/harness_demo.py
  - Runnable demo showing full ODA loop

## Updates

- portals.json: Bannerlord metadata per GAMEPORTAL_PROTOCOL.md
  - status: active, portal_type: game-world
  - app_id: 261550, window_title: 'Mount & Blade II: Bannerlord'
  - telemetry_source: hermes-harness:bannerlord

## Verification

pytest tests/test_bannerlord_harness.py -v
37 passed, 2 skipped, 11 warnings

Closes #722
2026-03-31 04:53:29 +00:00