conductor(checkpoint): Phase 3 complete - Grok (xAI) + Llama (multi-backend) via shared helper
Phase 3 of qwen_llama_grok_integration_20260606 ships Grok and Llama provider support. 16 of 18 state tasks done (t3.4 and t3.15 cancelled: no credentials_template.toml exists; t3.6 and t3.17 completed in Phase 1's initial registry population). Modules shipped: - src/ai_client.py: state globals (_grok_*, _llama_* including _llama_base_url and _llama_api_key), _ensure_grok_client() (OpenAI SDK with base_url https://api.x.ai/v1), _ensure_llama_client() (OpenAI SDK with configurable base_url + api_key for Ollama/OpenRouter/custom backends), _send_grok() and _send_llama() (both 10-param signature matching _send_minimax, both call send_openai_compatible), _list_grok_models() and _list_llama_models() (return from capability registry), _get_llama_cost_tracking() (the local-LLM signal: returns False when base_url is localhost/127.0.0.1), 2 new branches in list_models(), Grok + Llama state reset in reset_session() - src/models.py: 'grok' and 'llama' added to PROVIDERS (centralized; gui_2.py and app_controller.py import from this list) - src/cost_tracker.py: 11 new regex pricing entries (3 Grok + 8 Llama) Tests shipped: - tests/test_grok_provider.py (28 lines, 2 tests) - tests/test_llama_provider.py (68 lines, 6 tests) - Total new tests this phase: 8 (all passing) - Cumulative: 38 tests in batch (qwen + grok + llama + minimax + caps + openai_compat + cost + no_top_level_sdk_imports) Architectural correction (Grok-consulted 2026-06-11): - Spec section 3.1.1 added: 'best API per vendor' principle - Spec section 4.3 reverted from 'Native REST API' to 'OpenAI-Compatible' per Grok's own confirmation: 'the OpenAI-compatible endpoint is fully compatible and clean with no meaningful unique native surface lost' - Follow-up track B renamed: 'Llama Native APIs' (Ollama native + Meta Llama API), not 'Native Vendor APIs' (no Grok native refactor needed) - v2 matrix field expansion documented (per Grok's recommendation): audio, video, grounding, computer_use, local, reasoning, web_search, x_search, code_execution, file_search, mcp_support, structured_output Deviations from plan (consistent with Phase 1 and Phase 2): - Test signatures use 10-arg (real _send_minimax shape), not 12-arg - PROVIDERS change is at src/models.py:56 (centralized), not in gui_2.py and app_controller.py (which import from models) - t3.4 and t3.15 (credentials template) skipped: no template file exists; the user maintains their own credentials.toml directly Phase 4 (MiniMax refactor) is now unblocked. The refactor replaces ~250 lines of inline OpenAI-compatible send logic in _send_minimax with a thin wrapper around the shared send_openai_compatible helper (per the spec §5.2 target: ~50 lines).
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