阻止 Gemini 成為推薦主路徑

services/ai_provider.py

@@ -158,13 +158,11 @@ class AIProviderService:
         return status
 
     def _get_recommended_provider(self, ollama_ok: bool, gemini_ok: bool, elephant_ok: bool) -> str:
-        """根據可用性推薦提供者"""
+        """根據可用性推薦主提供者；Gemini 僅能備援，不可被推薦為主路徑。"""
         if ollama_ok:
             return 'ollama'
         if self._default_provider == 'elephant' and elephant_ok:
             return 'elephant'
-        if gemini_ok:
-            return 'gemini'
         if elephant_ok:
             return 'elephant'
         return 'none'

services/elephant_alpha_orchestrator.py

@@ -85,10 +85,9 @@ class ElephantAlphaOrchestrator:
             ),
             "openclaw": AgentCapability(
                 name="OpenClaw Strategist",
-                # LOCKED-GEMINI: EA HITL 戰略決策影響統帥行動，要最高品質推理
-                # 未來可升 Claude Sonnet 4.6 (agentic 工具使用佳) — Phase 7 任務
-                # ADR-028 鎖定場景 #6
-                model="gemini-2.0-flash",
+                # Ollama-first: OpenClaw strategy/reporting must use the approved
+                # GCP-A → GCP-B → 111 cascade; Gemini is emergency fallback only.
+                model="qwen2.5-coder:7b",
                 strengths=["strategic_planning", "market_analysis", "insight_generation"],
                 limitations=["real_time_execution", "direct_actions"],
                 cost_per_token=0.0,
@@ -125,11 +124,16 @@ AGENT CAPABILITIES:
    - Limitations: Limited strategic depth, short-term focus
    - Best for: Executing actions, immediate responses, tool-based operations
 
-3. OPENCLAW (gemini-2.0-flash)
+3. OPENCLAW (qwen2.5-coder:7b / qwen3:14b via Ollama cascade)
    - Strengths: Strategic planning, market analysis, insight generation
    - Limitations: No direct execution capabilities, analysis-only
    - Best for: Long-term strategy, market insights, recommendation generation
 
+Gemini policy:
+- Gemini is not a primary agent model.
+- Gemini may only be used after the approved Ollama cascade fails and the
+  operator explicitly unlocks the emergency fallback guard.
+
 YOUR SUPERVISORY CAPABILITIES:
 - Cross-agent coordination and optimization
 - Strategic long-term planning (weeks/months ahead)

services/llm_model_router.py

@@ -80,15 +80,34 @@ ROUTING_RULES: Dict[str, list] = {
          'minicpm-v:latest'),
     ],
 
-    # 推理增強場景（EA HITL 戰略決策；目前未啟用，預留）
+    # 推理增強場景（EA HITL 戰略決策；Gemini 不可作為預設模型）
     'ea_engine': [
         (lambda ctx: bool(ctx.get('require_chain_of_thought', False)),
          'deepseek-r1:14b'),
         (lambda ctx: True,
-         None),  # None → caller 用預設（gemini-2.0-flash）
+         'hermes3:latest'),
     ],
 }
 
+_CALLER_SAFE_DEFAULT_MODELS = {
+    'ea_engine': 'hermes3:latest',
+}
+
+
+def _sanitize_default_model(caller: str, default: Optional[str]) -> Optional[str]:
+    """Model router must not hand Gemini back as an Ollama-route default."""
+    if default and default.strip().lower().startswith('gemini'):
+        safe_default = _CALLER_SAFE_DEFAULT_MODELS.get(caller)
+        if safe_default:
+            logger.warning(
+                "[ModelRouter] %s default=%s rejected; using %s",
+                caller,
+                default,
+                safe_default,
+            )
+            return safe_default
+    return default
+
 
 def select_model(
     caller: str,
@@ -107,6 +126,8 @@ def select_model(
 
     flag OFF 時直接回 default（不評估規則，向下相容）
     """
+    default = _sanitize_default_model(caller, default)
+
     if not is_model_router_enabled():
         return default