fix: Telegram bot 全功能修復 — 16個await按鈕/AI對話/模型遷移/DB schema

## Telegram Bot 功能修復
- 補全 16 個 await: 按鈕的 handler（日期選擇/目標設定/促銷追蹤等），
  新增 _handle_await_callback + _process_await_input 完整狀態機
- cmd: 按鈕加入 ⏳ 即時回饋 + try/except 防 BadRequest
- handle_callback 加頂層 try/except 錯誤兜底
- 補 momo:cmd:suggestion + momo:menu:main callback handler
- 修復 _enhanced_keyword_matching context NameError

## AI 模型遷移（hermes3@111 → qwen2.5@188）
- hermes_analyst_service: URL 192.168.0.111→188, hermes3→qwen2.5:7b-instruct
- code_review_pipeline: 改用 HERMES_URL/HERMES_MODEL 常數
- elephant_alpha_orchestrator / nemoton_dispatcher: registry/footprint 同步
- aider_heal_executor: OLLAMA_API_BASE fallback 改 188
- ai_routes: footprint display 字串改 qwen2.5:7b-instruct

## ElephantAlpha 404 修復
- elephant_service: openrouter→NVIDIA NIM, nvidia/llama-3.1-nemotron-ultra-253b-v1
- ai_provider: 模型 ID 同步更新

## TELEGRAM_CHAT_ID 環境變數修正
- cicd_routes + aider_heal_executor: 優先讀 TELEGRAM_CHAT_IDS[0]，
  fallback TELEGRAM_CHAT_ID，修復通知靜默失敗

## AI 對話 logging 改善
- telegram_ai_integration: Hermes 降級改 WARNING，OpenClaw 失敗加 exc_info
- hermes_analyst_service: 連線失敗 log 加 host/model context

## DB Schema 修復
- migrations/019: action_plans 補齊全欄位，DROP NOT NULL action_type
- autoheal_models: ActionPlan ORM 同步為超集 schema

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

database/autoheal_models.py

@@ -28,22 +28,34 @@ class AgentContext(Base):
 
 class ActionPlan(Base):
     """
-    行動計畫表（NemoTron 輸出，等待審核與執行追蹤）。
+    行動計畫表 — 統一 schema（超集）。
+    Group A（01-init.sql / CodeReview / OpenClaw）:
+      action_type, description, priority, metadata_json
+    Group B（migration 017 / watcher_agent / ai_orchestrator）:
+      session_id, plan_type, sku, payload, created_by, approved_by, executed_at
+    migration 019 已在 DB 補齊所有欄位。
     """
     __tablename__ = 'action_plans'
 
     id = Column(Integer, primary_key=True, autoincrement=True)
+    # Group A columns
+    action_type = Column(String(100), nullable=True)    # code_review_fix / openclaw_recommendation
+    description = Column(Text)                          # 人類可讀的行動說明
+    status = Column(String(50), default='pending')      # pending/auto_pending/pending_review/executed
+    priority = Column(Integer, default=3)               # 1=critical 2=high 3=medium 4=low
+    metadata_json = Column(Text)                        # JSON: pipeline_id/commit_sha/findings
+    created_at = Column(DateTime, default=datetime.now)
+    # Group B columns (ADR-012 / NemoTron)
     session_id = Column(String(64), nullable=True)
     plan_type = Column(String(50), nullable=True)       # price_adjust / restock / campaign
-    sku = Column(String(100), nullable=True, index=True)
+    sku = Column(String(100), nullable=True)
     payload = Column(Text)                              # JSON 行動內容
-    status = Column(String(20), default='pending')      # pending/approved/rejected/executed
     created_by = Column(String(50))                     # nemotron / openclaw
     approved_by = Column(String(100), nullable=True)    # Telegram user_id
-    created_at = Column(DateTime, default=datetime.now)
     executed_at = Column(DateTime, nullable=True)
 
     __table_args__ = (
+        Index('idx_action_plans_type', 'action_type'),
         Index('idx_action_plan_sku_status', 'sku', 'status'),
         Index('idx_action_plan_created', 'created_at'),
         {'extend_existing': True},