fix(docker): embed mock types for Docker build compatibility

Remove lewooogo-brain local dependency that breaks Docker context.
Inline Proposal/Guardrails definitions in proposals.py mock.

Phase 6.4i will address proper monorepo Docker packaging.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/api/pyproject.toml

@@ -25,11 +25,12 @@ dependencies = [
     "opentelemetry-instrumentation-httpx>=0.41b0",
     "opentelemetry-instrumentation-logging>=0.41b0",
     # Phase 6.4g: leWOOOgo Brain - 積木化決策引擎
-    "lewooogo-brain",
+    # NOTE: Local package disabled for Docker build compatibility
+    # "lewooogo-brain",  # 待 monorepo Docker 解法 (Phase 6.4i)
 ]
 
-[tool.uv.sources]
-lewooogo-brain = { path = "../../packages/lewooogo-brain", editable = true }
+# [tool.uv.sources]
+# lewooogo-brain = { path = "../../packages/lewooogo-brain", editable = true }
 
 [project.optional-dependencies]
 dev = [

apps/api/src/routers/proposals.py

@@ -28,9 +28,30 @@ class ProposalResponse(BaseModel):
     rejection_reason: str | None = Field(default=None, description="若未通過防爆圈，顯示阻擋原因")
 
 def get_proposal_engine():
-    """Phase 6.4g 暫時性 Mock DI，驗證路由暢通"""
-    from lewooogo_brain.interfaces.proposal_engine import Proposal, Guardrails
+    """
+    Phase 6.4g 暫時性 Mock DI，驗證路由暢通
+    NOTE: 完全內嵌，不依賴外部 lewooogo-brain 套件 (Docker 相容)
+    """
     from uuid import uuid4
+    from pydantic import BaseModel
+
+    # 內嵌 Guardrails 定義 (Docker 相容)
+    class Guardrails(BaseModel):
+        require_dry_run: bool = True
+        allowed_namespace: list[str] = ["awoooi-prod"]
+        forbidden_commands: list[str] = ["rm -rf", "drop table", "kubectl delete ns"]
+        max_retries: int = 1
+        timeout_sec: int = 60
+
+    # 內嵌 Proposal 定義 (Docker 相容)
+    class Proposal(BaseModel):
+        proposal_id: str
+        incident_id: str
+        action: str
+        description: str
+        risk_level: str
+        guardrails: dict
+        metadata: dict = {}
 
     class MockEngine:
         async def generate(self, incident_id: str) -> tuple[Proposal | None, str]: